Panasonic’s 4-d image sensors are now on display in an array at its Tokyo headquarters, which was announced on Thursday by CEO Yoshihide Suga.
The array is part of a new product called “Panasonic 4-G,” which is a 3D sensing array that will be able to “see” a person in the real world, but also detect when the camera is looking at the outside of the room, the company said.
The 4-gigapixel camera is “a powerful platform that can deliver exceptional image quality and high resolution,” according to Panasonic.
The company is selling the array at a $300,000 price tag.
The system is set to be available in two configurations: a 4-meter array that has a maximum resolution of 10 meters and a 4.5-meter one that has an average resolution of 20 meters.
It will also have a 2-meter “cameras” that have a maximum brightness of 600 lux.
The 3-gigaapixel array is priced at $2,700, while the 4-megapixel array will be $3,000.
The new camera system is also a big step up from the original Panasonic 4-towered cameras that were introduced in 2013.
The camera systems that are currently on display are not the new 4- and 4-sensor cameras that Panasonic introduced in 2014 and 2015.
Panasonic says that the new system is the first 4-and-5-camera array that is actually designed to “encompass and recognize objects and individuals in a large-scale real-time environment.”
In a video posted by Panasonic to the company’s official YouTube channel, Suga said the new sensor array will “provide a better image quality, a more robust sensor system and will allow for more advanced camera features.”
The company has said that it will offer the new array to businesses and government organizations, as well as to hospitals and schools.
“We are very excited to unveil this new array, and to offer it to customers to help them explore the possibilities of this new technology in their everyday lives,” Suga told investors during a conference call.
The announcement comes just weeks after the Panasonic Corp. unveiled its own 4-camera system that was developed in partnership with the University of Michigan, which uses it to help track down people missing in action.


Jovision JVS-N933-KDL 3MP Dome Full-Color Audio IP Camera in Bangladesh
The JVS-N933-KDL is a 3-megapixel dome-style IP camera that comes equipped with full-color imaging capabilities and audio functionality. This camera is designed for indoor use and is ideal for a wide range of applications, including surveillance in homes, small businesses, and retail stores.
The camera features a 3-megapixel CMOS image sensor that captures high-quality images with a resolution of up to 2048 x 1536 pixels. It also has a fixed lens with a 2.8mm focal length and a 108-degree viewing angle, providing a wide field of view. Additionally, the camera has a built-in microphone and speaker, allowing for two-way audio communication.
The full-color imaging capabilities of the JVS-N933-KDL make it possible to capture clear, detailed images in low-light conditions. This is achieved through the use of a specialized image sensor that can capture more light than traditional black and white sensors. The camera also has a built-in infrared (IR) cut filter that helps to eliminate color distortion in daylight conditions.
The JVS-N933-KDL supports Power over Ethernet (PoE) and can be easily installed using a standard network cable. It is also compatible with ONVIF Profile S, allowing it to be easily integrated with a wide range of third-party devices and software.
Overall, the JVS-N933-KDL is a versatile and reliable IP camera that is well-suited for a variety of indoor surveillance applications.
|Image Sensor||1/2.9″ CMOS Sensor|
|Compression Standard||H.265/ H.264|
|Min. Illumination||0Lux (Fill light ON)|
|Lens||2.8mm, 4mm, 6mm (M12)|
|Fill Light||2x Double wick filling lamp (Infrared/ Warm)|
|Fill Light Distance||Up to 30m.|
|Image Enhancement||3D DNR|
|Advanced OSD||Support OSD large font function, OSD flashing on alarm, OSD and time to set the position separately|
|Motion Detection||Support human detection (Default does not mark the human box)|
|Image Setting||Rotate, Saturation, Brightness, Contrast, Sharpness|
|Day and Night Function||Day and night automatic switching|
|Privacy Mask||Support up 8 areas|
|Intelligent Analysis||Not Support|
|Alarm Method||Email Alarm, Client Alarm|
|Remote Operation||System, Audio and video, Image, Alarm,Network management|
|Ethernet||1x RJ45 10M / 100M Ethernet|
|Protocols||HTTP, TCP/IP, UDP, ICMP, RTSP, RTP, RTCP, SMTP, DHCP, DNS|
|Network Transmission||CloudSEE 2.0|
|Browser||IE8+, Chrome18+, Firefox5.0+, Safari5.02+|
|User||Up to 13 Users|
|Power Consumption||<3W (During day); <6W (At night)|
|Working Temperature||-20°C ~ 60°C|
|Working Humidity||10% ~ 90% Rh|
Jovision JVS-N933-KDL Price in Bangladesh 2023
|Latest Price:||৳ 3,500.00|
|Contact No:||+88 01407-555777|
Table of Contents


Fibre optic lease service is provided on the basis of own fiber optic cable network as well as infrastructure that is managed and maintained for third parties. We have fiber optic contacts with domestic operators.
We provide fast, broadband connections in selected locations based on our own as well as managed ICT network. The service enables the Customer to be connected at a bandwidth ranging from 1 Mb/s to 10 Gb/s. Access links are made as fiber optic links terminated with electrical contacts or Gigabit Ethernet optical contacts.
We provide satellite links with fixed parameters of signal transmission in any location. We also use the solution as a backup link, which is of strategic importance and ensures uninterrupted communication. Satellite link technology is as independent of terrestrial infrastructure as possible, with the result that there is no risk of loss of communication due to fiber, copper or transmission/reception system failure.
Our offer also includes backup for digital transmissions based on satellite technologies and solutions allowing for networking of distributed locations through satellite Internet access systems, including a separate network dedicated to a single contractor.


Detects : UV-A
Range : 310 ~ 400 nm
Measurement Error : ±10%
UVI (UV Index) Range : 0 ~ 11
UV Power : 0 ~ 20 mW/cm2
Sensor Type : Semiconductor Sensor
Length / diameter : incl. headphone jack 47mm, diameter 10 mm
Weight : 6 g
Workable Temperature : -20 ~ 50˚C
It’s a tiny, beautifully designed with Aluminum body, UV monitor/tester that connects to your phone to measure and analyze the UV-A light from UV lamps. Prior to taking a UV-A reading, make sure that the lamp has been working for at least 5 minutes.
Depending on the ambient temperature, it can take up to 5 minutes for a UV-A lamp to reach its full UV-A output.


Carefiber Optical Technology. is an established Chinese company, specializing in development and manufacturing of optical cable wire. Since its establishment, we have been active in the market. As one of Carefiber Optical Technology's multiple product series, fiber optic adapter series enjoy a relatively high recognition in the market. This product is durable and powerful. The product takes up a small footprint of buildings. The product has no warm-up time, which means users have 100% light immediately when appearing in the dark environment. The product is characterized by good optical performance.
Our core value is a strong teamwork spirit. We encourage not only internal teamwork, but also the cooperation across boundaries. By this way, we work better with our partners to meet their requirements which in return helps our company grow. Contact us!


Hidden cameras in sensitive locations have become an increasing threat to personal privacy all over the world. Because the camera is small and camouflaged, it is difficult to detect the presence of the camera with naked eyes. Existing works on this subject have either only covered using wireless transmission to detect cameras, or using other methods which are cumbersome in practical use. In this paper, we introduce a new direction that leverages the unintentional electromagnetic (EM) emanations of the camera to detect it. We first find that the digital output of the camera’s image sensor will be amplitude-modulated to the EM emanations of the camera’s clock. Thus, changes in the scope of the camera will directly cause changes in the camera’s EM emanations, which constitutes a unique characteristic for a hidden camera. Based on this, we propose a novel camera detection system named CamRadar, which can filter out potential camera EM emanations from numerous EM signals quickly and achieve accurate hidden camera detection. Benefitting from the camera’s EM emanations, CamRadar will not be limited by the camera transmission types or the detection angle. Our extensive real-world experiments using CamRadar and 19 hidden cameras show that CamRadar achieves a fast detection (in 16.75s) with a detection rate of 93.23% as well as a low false positive rate of 3.95%.


Children too spend extended amounts of time in front of televisions, I-Pads and computer screens. Subsequently, individuals end up with Myopia (Near sightedness) or Hyperopia (Far sightedness). However, both these disorders related to vision can easily be corrected with spectacles. But, how many of you like to wear spectacles? Not all of us though! This is where contact lenses come into picture.
Types of Contact lens:
Soft Contact lens–These lenses are prepared from a soft flexible plastic that allows for the easy follow of oxygen trough the cornea. These lens are comfortable to wear and easy to adjust on the cornea. Users usually claim that soft contact lenses are so comfortable that one may even forget that he or she is wearing them. The newest and latest material being used in the manufacturing of soft contact lenses is silicon hydrogel. This material provides more oxygen to the eye allowing the user to wear the lenses for longer duration of time with minimum discomfort.
Rigid Glass Permeable (RPG) Contact lenses-The glass permeable lens provide crisp and clear vision. They are more durable and do not allow the build-up of residue very easily. As they last longer than the other lenses, they are more cost effective. RPG lenses are more easily managed as they do not tear as easily as soft contact lenses. The only drawback of the RPG lenses is that they are not as comfy to wear as the soft contact lenses. A new user may require several weeks before he or she can adjust to wearing them every day. Soft contact lens users can adjust to these lenses within a couple of days only.
Extended Wear Contact Lenses–Acuvue Contacts No Prescription contact lenses for extended wear are usually soft contact lenses made from material that allows for the easy flow of oxygen to the cornea. These lenses are usually used by consumers who wish to wear contact lenses overnight. Their duration for wearing may range from 1 to about 6 nights and go up to a maximum of thirty days. Certain types of rigid glass permeable lenses are made for long duration or overnight wear but users need to first check their individual eye capacity before opting for these lenses. An ophthalmologist’s thorough analysis of the eye will help determine the user’s tolerance levels for overnight usage. The eyes have to be allowed a rest time without lenses for at least twenty four hours in between each period of prolonged lens usage.
Disposable Contact Lenses- This category of soft contact lenses have become the most common in today’s day and age. Depending on what kind a user opts for, the duration may vary from everyday disposable ones to those that may be used for up to thirty days.


A new study has found that constant exposure to blue light emitted by phones, laptops and other digital devices can damage a person’s vision, causing it to blur or, worse, be irreversibly impaired.
Constant and prolonged blue light exposure produces poisonous chemicals affecting the light-sensitive cells in the eyes, according to research conducted by The University of Toledo. This can lead to the incurable condition called macular degeneration, which occurs when the macula, the center part of the retina, deteriorates. Blue light is a short wavelength light that contains high amounts of energy.
Dr. Ajith Karunarathne, an assistant professor at the university and one of the study’s researchers, said, “We are being exposed to blue light continuously and the eye’s cornea and lens cannot block or reflect it. […] It’s no secret that blue light harms our vision by damaging the eye’s retina.”
According to The Guardian, Kasun Ratnayake, a PhD student and one of the researchers, explained that when one shines blue light on the retinal, which is the main molecule involved in vision, it kills the light-sensitive cells, otherwise known as photoreceptor cells. “Photoreceptor cells do not regenerate in the eye. When they’re dead, they’re dead for good,” he said.
In order to prevent this condition from occurring, Karunarathne suggests wearing sunglasses as they can filter out the blue light being emitted by common digital devices. Moreover, visiting assistant professor and researcher Dr. John Payton suggests making use of the blue-light filters that phone companies are adding to the screen.
“By learning more about the mechanisms of blindness […] we hope to find a way to protect the vision of children growing up in a high-tech world,” Karunarathne said.


Founded in 2012, Shenzhen Muxwave Technology Co., Ltd. is a national high-tech enterprise mainly engaged in the research and development, design and sales of high-performance digital- analog hybrid integrated circuits. Its products are widely used in urban landscape lighting, smart home, and smart charging, security communications, industrial control, commercial display and other consumer electronics applications. Over the years, Muxwave has always adhered to the business philosophy of independent innovation, technology first, and continuous improvement, and continued to provide customers with various high-quality, high-performance products and solutions.
Based on the precipitation of IC technology and the advantages of continuous research and development, with rich intellectual property accumulation and stable supply chain guarantee, Muxwave has invested in the establishment of a wholly-owned intelligent manufacturing enterprise integrating chip packaging, SMD production, and holographic LED screen R&D and production, serving high-end customers, via providing unique high-quality, high-performance holographic LED screen products and overall solutions that integrate light, transparent, smart, thin and other characteristics.
With technical development, LED holographic display screens have appeared as a kind of brand new information media. They are favorite products in the display industry because of their advantages such as easy installation and see-through display. The LED holographic display screen of our company ( “product” for short) has independently developed innovative driving mode and product architecture. Its design concepts include “daylighting” , “see-through” and “environmentally friendly” . Taking ultralow static power-driven design as its core technology breakthrough point, it has high resolutions and are safe, energy-saving and reliable. It is widely used in advertising media, commercial display, stage performance and high-end consumption display occasions.
Please read this WI carefully first for standard installation and correct operation in installation and use. Failure to follow the installation method herein, or failure to use conforming parts may result in product faults and/or personal injuries.


Patent Number: 5,091,913
Date of Patent: Feb. 25, 1992
QUARTZ CRYSTAL TUNING HE-NE DOUBLE FREQUENCY LASER
A birefringent quartz plate is inserted in the laser cavity to generate two orthogonal polarized beams with different frequencies, and with the amount of frequency difference depending upon the angle of orientation of the crystalline axis of the quartz plate with respect to the longitudinal axis of the laser beam in the cavity. Frequency differences between the generated dual frequency beams can be varied from tens of MHz to more than 1000 MHz, with tuning or variation being effected by a mechanism for rotating the quartz plate. This apparatus provides a dual frequency laser for interferometry, laser Doppler velocimeters and other applications.


in the center, since the air gap is almost zero, there is no path difference between two reflected beams, but there is a 180 deg. phase shift of the beam reflecting from the bottom surface (air-glass interface) (Light waves change phase by 180° when they reflect from the surface of a medium with higher refractive index than that of the medium in which they are travelling. A light wave travelling in air that is reflected by a glass barrier will undergo a 180° phase change, while light travelling in glass will not undergo a phase change if it is reflected by a boundary with air.(https://en.wikipedia.org/wiki/Reflection_phase_change)) so the interference is destructive.
this article describes the math comprehensively -http://physical-optics.blogspot.com/2011/06/newtons-rings.html


Computational photography goes beyond traditional photography and here’s the difference. Traditional cameras capture 2D images and output pixels, whereas in computational photography multiple image sensors capture depth and reflection characteristics of what’s in view. Conventional photography captures pixels, whereas computational photography works with light fields, rays of light flying in space. This is Michael Faraday’s dream come true: in 1864 he suggested that light should be understood as a field, just like a magnetic field.
Image processing techniques for computational photography include: brightness and contrast adjustments; image compositions (tone mapping, exposure/focus combining); image manipulation: (denoising, restoration, cropping, alignment, and feature tracking).
Computer Vision is the study of how the machines see things. It enables cameras and computers to replace the human eye and recognize, track, and measure objects. No surprise that Artificial Intelligence (AI) has its thrust from computer vision. Now AI-powered vision systems are the go-to tools for extracting information from images and light fields. Typical uses include: industrial robots; autonomous vehicles; safety monitoring; image organization (database retrieval); industrial inspection; medical image analysis; and landscape modeling. The signal processing algorithms for computer vision range from object detection and recognition, to face analysis; optical character recognition; feature detection; feature tracking; and image registration.
When combined and powered by AI, the two disciplines above open up vast opportunities for providing groundbreaking multimedia experiences to humans and machines. RayShaper’s mission is to contribute to this exciting field and commercialize its emerging discoveries.


Anesthetic video laryngoscopeDescription：Video laryngoscope is a new video intubating system, which has a high-resolution anti-fog camera mounted on the front of the lens, and two light-emitting diodes to provide light and contrast. The image is transmitted and magnified to a 7-inch LCD display through the optical fiber cable.
- 所属分类：Video Laryngoscope
- Product Details
Ansthesia video laryngoscope is used for clinic treatment,use the blades prop up the epiglottis of patients to make the glottis exposing.Medical workers can do airway anesthesia accurately with the video laryngoscope .disposable anesthesia laryngoscope also can be used in oral cavity examination and treatment.Use video laryngoscope can relieve the pain of patients during treatment.
★ 3-inch screen,16G big memory
★ Aluminium alloy material,cleaning and disinfecting easily
★ Big roate angle,0°-130° front to back,0°-270° left to right
★ Take photo and video in one button
★ Blades with hard anodizing,prevent from bite mark


Biprisma FresnelBiprisma Fresnel este un dispozitiv de interferen format din dou prisme optice identice cu unghiul diedrumic, lipite ntre ele la. frequentty /; – overlap n TV solapamiento de frecuencias m, – putlmg n biprism n PHYS biprisma de Fresnel m; – diftraction n ACOUST, OPT, PHYS. Newton, después de todo, había observado lo que son ahora Una versión del prisma doble de Fresnel se utiliza en.
|Published (Last):||24 September 2013|
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While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. He gave a simple arrangement for the production of interference pattern. Suppose the distance between the images of A and B as.
Imam- Fresnel Zone Documents. So the wavelength of light will be. When light incident from S on the lower portion of prism It bents upwards and appears to come from virtual source B.
Fabrication Method of Fresnel Lenses Based on The distance of the nth bright fringe from the centre. Suppose the distance between the images of A and B as seen by the eyepiece is d1. Augustin-Jean Fresnel was a Frenchphysicist who contributed significantly to the establishment of the wave theory of light and optics.
Fresnel vector diffraction integral Documents. In biprism it depends on refraction In mirror it depends on reflection. Similarly light fresnwl S incident on the upper portion of Prism bents downwards appear to come from A. Since C is equidistant from A and B so at C maximum fringe intensity will occur.
PPT – Fresnel Biprism PowerPoint Presentation – ID
The distance of the nth bright fringe from the centre with monochromatic light Where. Vapor de Agua Fresnel Documents. For green light, For red light. Determination of the distance between the two sources d M L1 A convex lens L1 is placed between the prism and eyepiece Msuch that the image of the virtual sources A and B are seen in the field of view of the eyepiece.
Biprism It consists of two thin acute angled prisms joined at the bases. When light incident from S on the lower portion of prism. Now move the lens towards eyepiece and bring it to other positon L2 So that again images of A and B are seen clearly in the the field of view Of eyepiece. Easily Constructed Fresnel Mirrors Documents. Fringes with white light.
Optics related research for interferometric gravitational wave detectors. For white light the two coherent virtual sources are produced by Refraction and the distance between the two sources depends upon the refractive index which intern depends upon the wavelength.
Collect Leads new Upload Login. Interference a difrakce. Description Bilrisma Report Fresnel Biprism. Fresnel coherent diffraction tomography Documents. The Fresnel Lens.
Interferómetro de trayecto común
Biprisma FresnelBiprisma Fresnel este un dispozitiv de interferen format din dou prisme optice identice cu unghiul diedrumic, lipite ntre ele la baz. Suppose for crossing 20 bright fringes from the field of view, the Eyepiece has moved through a distance l.
So A and B are two virtual coherent sources. So the fringe width be. Augustin-Jean Fresnel was a French physicist who contributed significantly to the establishment of the wave theory of light and optics.
So, for green light the distance between the two sources is different to that with red light. Fresnel region approximations for wide angles and large fresnel numbers Documents.
Do Fresnel coefficients exist? Download Presentation Connecting to Server. It is a device used to refractlight, reflect it or break bi;risma up to disperse it into its constituent spectral colours.
Interference fringes of equal width will be occurbetween EF portion of the screen. Pentru a obine un grad de coeren ridicat, dispozitivul se construiete astfel nct distana d dintre surse s fie ct mai mic, cea ce implic un unghict mai mic al prismelor.


The redesigned Diamondback binocular once again redefines the price vs performance ratio in the world of optics.
Functionally, as well as aesthetically, the short hinge and upscale sleek new look not only grabs the eye, but leaves more room for your hands, making these binos physically easier to hold.
An all new optical system with enhanced, dielectric fully multi-coated lenses serves up stunning views and impressive low light performance, critical attributes when working to glass up and evaluate game.
And with the ultra-wide, best in class, field of view, you can efficiently cover ground and acquire subjects with ease.
Fully Multi-Coated - Increased light transmission with multiple anti-reflective coatings on all air to glass surfaces.
Dielectric Coating - Multi-layer prism coatings provide bright, clear, colour accurate images.
Fogproof - Nitrogen gas purging delivers fogproof, waterproof performance.
Adjustable Eyecups - Twist up and down for comfortable viewing with or without eyeglasses.
Centre Focus Wheel - Adjusts the focus of both binocular barrels at the same time.
Diopter - Adjusts for differences in a user's eyes. Located on right eyepiece.
Tripod Adaptable - Compatible with a tripod adapter, allowing use on a tripod or car window mount.
Magnification - 10X
Objective Lens Diameter - 42 mm
Eye Relief -15 mm
Exit Pupil - 4.2 mm
Linear Field of View - 330 feet/1000 yards
Angular Field of View - 6.3 degrees
Close Focus - 6.7 feet
Interpupillary Distance - 55-75 mm
Height -14.7 centimetres / 5.8 inches
Width -12.954 centimetres / 5.1 inches
Weight - 618 grams / 21.8 oz


Diode 808nm Laser Hair Removal Price. 450 likes · 10 talking about this. Manufacturer of advanced beauty equipment , Laser , IPL , Cryolipolysis , RF , HIFU , Cavitation and so on808nm Diode LaserPrice and other details may vary based on size and color. 5pcs/lot Infrared LED Lasers 808nm 200mw Infrared Laser Diode 5.6mm TO 18 2.2v LD. $19.85 $ 19. 85 ($3.97/Item) $4.99 shipping. Usually ships within 3 to 5 weeks. LP LaserPair Laser hair Removal Safety Glasses, 200 540nm & 900 1100nm Q switched Laser Tattoo Removal Laser Diode Laser Hair Removal for sale In Stock Make Offer Brand New 808nm / 810nm Diode Laser Hair Removal Machine Depilator!! CE 808 Diode Freezing Point Painless Laser Hair Remove Beauty Care Equipment FDA $2,999.99
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PROFESSIONAL 10x42 HD BINOCULARS: A bright and sharp image. The binoculars for adults are equipped with high-quality BAK4 prism and FMC coating, providing a crystal viewing with no curvature at the edges.
COMPACT AND PORTABLE DESIGN: Make your journey easier. Compact design with 14cm size and 440g weight, comfortable to hold and operate with one hand. The compact binoculars are easy to carry everywhere with our small bag.
VARIOUS ACCESSORIES: Great gift for any nature lover. APEMAN binoculars come with a Smartphone Adapter that allows you to capture beautiful moments in your trips. Lens covers for both ends protect the lens nicely.
DURABLE AND STURDY BINOCULARS: Your best partner for outdoor travel. The travel binoculars have a sturdy body covered with rubber armor, providing a pleasant, non-slip grip, no shakes or rattles.
SUITABLE FOR VARIOUS SCENARIOS: Make you closer to the wonderful world. APEMAN binoculars are great not only for birdwatching but for more outdoor activities and large stage plays such as stargazing, hunting, climbing, hiking, driving, watching vocal concerts, a football game, etc.
APEMAN PROFESSIONAL BINOCULARS: Explore the distance, Bring you closer to the world. View the beauty of nature, taking nice images and videos to share happiness with your family and friends.
The APEMAN Binocular BC100 Includes:
- Smart Phone Adaptor: Capture beauty and Share happiness
- Neck Strap: Compact and easy to carry with you when you are on the go
- Carrying bag: To keep your binoculars safe wherever you travel
- Eyepiece and Lens Protection Covers: Protects against unwanted scrapes and scratches
- User Manual: Helps you to easily focus and operate
PHOTOGRAPH AND SHARING: This binocular comes with a fashionable smartphone adaptor. It can also be mounted on a tripod. (Not included). Capture the beauty in the distant world to share with your family and friends.
EASY TO FOCUS: Close your right eye and close and sight an object with your left eye, rotating the center focus wheel until the image is sharp and clear.
Open your right eye and close your left eye. Rotating the right earpiece until the object sighted is sharp and clear.
Both eyesare now in focus. You will need to use only the center focus wheel to focus on other objects.
- Fully Multi-Coated Lenses provide you brighter view.
- Solid construction. The durable framework and rubber armor make it usable to withstand the toughest weather conditions.
- You can use this binoculars in weak light condition but not in completely darkness. It can resist light water but cannot be used in heavy rain for a long time or soaked in the water.
- Do not use binoculars to watch the sun directly, which may damage to your eyes seriously.
- Great as gifts for your friends or family.
- Perfect for bird watching, climbing, fishing, camping, hiking, hunting, concerts and other indoor or outdoor activities.
- Makes for a great date adventure
- Rotating eye shield make it convenient for those who wear glasses and do not wear glasses.


TFEL and TASEL
When extreme conditions call for extreme equipment.
Modern displays are usually based on some type of liquid crystal, in which the crystals are actuated in a certain pixel by means of a voltage in order to affect how the light, which is backlit, passes and reaches the observer’s eyes. Displays based on liquid crystal are used in everything from small displays in digital watches to wide-screen TVs, although there is a significant difference in both technology and performance between different types of LCD displays. What they have in common is that LCD displays use light that is either produced behind the display element (backlit) or that is reflected in a layer behind the display.
With the OLED (Organic Light-Emitting Diode) display, the light is emitted directly in the pixel that is manipulated. There is therefore no need for any backlighting. Technology is now available in many consumer products as well as mobile phones and TV sets.
The TFEL display is produced using thin film technology and is entirely inorganic and completely solid. This technology standard graphic models are available in sizes from 3” to 10.4”. Available are also segmented displays with enhanced brightness. You can design your own displays and still get all the benefits of proven and robust thin film electroluminescent display technology, manufactured at Beneq’s factory in Finland.
What’s more, its durability is proven by surviving up to 200 g-force shock and a staggering 250,000 hour mean time between failures (MTBF) for the display glass. TFEL displays are capable of instant-on performance from -60 °C to +105 °C (from -76 °F to +221 °F), with instant pixel response over the entire temperature range, and no motion blur. In addition, electroluminescent displays have the highest resistance to moisture compared to other technologies. They are distinguished by the high contrast, viewing angles and response time. Lumineq® TFEL displays support the end product in complying with FCC Part 15, Subpart J, Class B and EN55022.
Lumineq® TFEL displays because of its parameters working in difficult conditions and visual performance are used in mining, marine, military, medical, and many other demanding environments. TFEL displays are robust and reliable, usually used in extreme conditions where traditional displays cannot cope.
Thin film technology electroluminescent displays with a transparency of more than 80%. These have the same performance as thin film technology EL displays and are resistant to moisture, impact and vibration.
In-glass laminated Lumineq displays replace head-up-displays (HUD) where traditional projected head-up displays do not work, such as windscreen of work vehicles. Lumineq displays in glass are crystal clear even when the vehicle is vibrating and tolerate shocks that would break HUD projectors.
You can keep your attention and eyes on the road ahead and still receive critical data from the transparent display. And when the data is not needed, the display can be switched off. It then becomes totally invisible, leaving no traces in the glass.
Lumineq transparent electroluminescent (TASEL) displays combine the rugged and reliable build of thin film electroluminescent (TFEL) displays with the unique freedom of designing a completely transparent display that can be viewed from two sides. In addition to our range of standard products, Beneq offers custom Lumineq displays. You can design your own displays and still get all the benefits of our proven and robust thin film electroluminescent display technology, manufactured in-house at Beneq’s factory in Finland. The basis of a TASEL, the display glass, is easily customized, it can be drilled or cut to custom sizes.
It is good to know that transparent displays are easy to manufacture for high-end applications:
- Fresh look with wide angle and crisp viewing characteristics
- Unmatched ruggedness and world-class display performance
- Customizable by drilling, bending or cutting into unusual shapes to add to product distinction
- Upscale product appearance over LED or LCD display technologies
- Custom display text or graphic layouts possible
Whats more, Lumineq production facilities have obtained ISO 9001:2008 registration.


Global Blue Laser Diode Market 2019-2023.
BWT is a manufacturer that focuses on diode lasers and integrates development, manufacturing, research, and marketing. BWT has the ability to provide highly reliable fiber coupled diode laser modules in various powers, wavelengths, and packages. ISO 9001:2015.
QCW Diode Laser Bar 808nm - 940nm wavelength, 1200W QCW output power. Inquire at RPMC Lasers for a quote or technical information.
This parameter is a measure of the efficiency of a laser in converting electron-hole pairs (injected current) into photons (light) within the laser diode structure. For example, if the internal quantum efficiency is determined to be 75 percent, then 75 percent of electron-hole pairs are converted into photons and the remaining 25 percent into other forms of energy such as heat.
Laser 2000 diode laser current controllers provide a host of features to protect and shield the laser diode, to help maintain your laser at peak performance. The diode module combines a high quality laser diode, electronic drive circuit and collimation optics together in a compact robust package.
Global Blue Laser Diode Market 2019-2023 About Blue Laser Diode Blue laser diode is integrated into a device to act as a light source. The beam emitted through the laser has a wavelength between 360 nm and 480 nm. Technavio’s analysts forecast the global blue laser diode market to grow at a CAGR of 3.24% during the period 2018-2022.
Technical Article An Introduction to Laser Diodes June 12, 2017 by Nick Davis Learn about the laser diode, including package types, applications, drive circuitry, and some laser diode specifications.
Photo: BMW Blue-laser light Blue-laser light from a tiny diode proceeds through a phosphor, which converts some of it into a wavelength in the yellow part of the spectrum. The resulting mix is a.


Follow the Stars
In Fall 2018, my suite-mates and I created a fiber-optic star ceiling in our dorm lounge. I used this ceiling in my Computational Robotics Final Project: Starfinder.
For this project, my partner Lydia and I programmed a robot to navigate around the lounge by looking up at the star ceiling. We used a Neato vacuum cleaner equipped with a raspberry pi and an upward facing camera to capture the ceiling. We used the OpenCV computer vision library to detect the locations of each of the stars and then used a custom made feature vector calculator that created a unique description of each star. This vector was composed of measurements like distance to the closest 5 stars, number of stars within a certain pixel radius and angle between the closest and 2nd closest stars. We then used RANSAC to line up the robot's view of the stars to a premade map.
The robot successfully navigated around the lounge! Throughout this project, I learned more about ROS, Computer Vision, and image stitching algorithms.
Course: Computational Robotics, Fall 2018
Skills: Programming, Pi, Python, ROS, OpenCV


This easy-to-use telescope is the perfect way to introduce your child to the wonders of space! Quick setup, a stable tripod, and simple vertical and horizontal adjustments make exploring the Moon a breeze. Separate eyepieces for 18x and 90x magnification allow for both wide and close-up views of the lunar surface. Little astronomers can explore the craters of the moon in great detail With this child-friendly lunar telescope. The lunar telescope science kit includes: a blue lunar telescope with high-quality optical glass lenses An aluminum table-top tripod a chunk of a real meteorite from space 18x and 90x magnification eyepieces the lunar telescope adventure guide, full of amazing facts about telescopes and space.
Ages 8 and up.


When projecting in natural environment, the first thing to consider is the specific situation of the projection surface. In this project, the overall color of the rockery is dark, the projection surface is uneven, and the flow of water on the rockery will also affect the projection picture and light. Wincomn uses four-set Christie D20WU-HS laser projectors for this project. The brightness of this projector is as high as 20,000 lumens. The BoldColor technology patented by Christie enhances the color accuracy and solves the problem of color coverage of the rockery itself.
With built-in Christie Twist™, it can quickly and easily set up and align irregular screens, so that the rugged rockery can also present a clear and complete picture. At the same time, the machine is compact, light, flexible installation, will not damage the consistency and harmony of the park landscape. It can run for over 20,000 hours without maintenance, which ensures the normal performance of the park and reduces the pressure of maintenance and repair.
The 7thSense media server adopted in this project has real-time warp and blend features,pixel-accurate synchronisation , ensure the synchronous play of video, and make the picture can be beautifully presented on the flowing waterfall and twisted mountain.


Ezviz c3w pro 2mp Camera
EZVIZ C3W PRO |4MP Smart Home Camera | 4mm Lens | 1/2.7” Progressive Scan CMOS | Digital WDR, H.265; H.264; 1920 × 1080 | Max: 30fps | Self-Adaptive during network transmission | AI Powered Human Detection| Micro SD card slot (Max. 256G) | Wi-Fi 2.4G | DC 12V/1A.
Color night vision camera.
The C3W Pro, the upgraded color night vision camera from EZVIZ, is embedded with an AI algorithm to provide the person detection and more precise alerts even in darkness. You can also have two-way conversations with your family or visitors wherever you are using the EZVIZ App on your mobile phone. Peace of mind, always at your fingertips.
Full-color night vision like you’ve never seen before.
Your night vision is now lit up and vividly restored to full-color thanks to two built-in spotlights and professional optical lenses. So advanced that you can quickly identify details of interest – like the color of the car passing by!
It also lights your way home.
The two spotlights are thoughtful. They not only make color imaging at night a reality but also offer outdoor lighting that you can turn on and off and even adjust their brightness as needed
Enable color vision when necessary.
If you don’t need extra lighting, just switch the camera to the black & white night vision via the EZVIZ App and still see 30 meters (98 ft.) far. A third night vision mode is unbelievably smart – it automatically turns on the spotlights upon detection of suspicious motion, so both notifications and remote look-ins will be in full-color.
AI-powered person detection.
As an upgrade from simple motion detection, the embedded AI algorithm intelligently detects the motion of human shapes in real-time. When people enter your customized detection area, you will be alerted immediately.
Talk, as if you were there.
Not every outdoor security camera supports two-way communication. The C3W Pro camera took this function to a new height with a high-fidelity speaker and a microphone that features an ultra-long pickup range, so you can hear loud and clear. Or talk as if you were there.
Boasting wall-penetration and anti-interference capabilities, the dual-antenna C3W Pro camera handles long-range transmission easily. Enjoy the confidence to install the camera at the front gate or in your yard while maintaining a steady and reliable connection.
Resists water and dust.
With a whole metallic enclosure and an IP67 rating, the camera can withstand rainy, sunny, stormy, and even snowy days, giving you year-round peace of mind
We protect your data and privacy:
Protecting your data and privacy is our highest priority. Data transmission between the camera and the EZVIZ Cloud is encrypted from end to end. Only you have the keys to decrypt your data.
Multiple storage options:
With multiple storage options, you can choose where to save your recordings. The C3W Pro camera can even save to all three locations at the same time for added backup in case the camera is damaged, or your network crashes.
Security at your fingertips:
With the EZVIZ App, you can capture, save, protect, and share what’s valuable to you


ES5 Polarized HD Brown Lens, Crystal Brown Frame Safety Glasses
CROSSFIRE SAFETY GLASSES ES5 291113
MEETS ANSI Z87.1 STANDARDS. HARD COATED POLYCARBONATE LENS HELPS PROTECT FROM SCRATCHES AND PROTECTS AGAINST 99.9% OF HARMFUL UV RAYS.
- Crossfire Safety Glasses ES5 291113.
- POLARIZED HD Brown Lens and Crystal Brown Frame.
- The sun's rays reflect off of surfaces such as sand, water and snow causing glare.
- Polarized lens technology prevents glare by filtering out the reflected bent light and glare, resulting in enhanced vision.
- Designed for outdoor sports, the ES5 provides a polished style and is similar in design to Maui Jim.
- The sleek framework provides substantial coverage for a variety of environments. Temple width 125 mm.


ES-62II Dedicated Lens Hood 50mm f/1.8
The dedicated ES-62 II Lens Hood is specifically designed for use with Canon's EF 50mm f/1.8 II lens. It is primarily used to prevent unwanted stray light from entering the lens by extending and shading the end of it. A dedicated hood is crafted to perfectly suit the specific focal length of the lens it is designed for. Additionally, this hood features a non-glare matte finish on the interior surface to further prevent or limit lens flare. Also, since the end of the lens is extended, you get the added benefit of some extra protection from accidental impact.
The bayonet mount is designed to also work in the reversed position, allowing the hood to be placed backwards over the lens for a more compact storage solution.
Designed to accommodate the exact angle of view of the camera's lens
Minimizes flare and ghosting by blocking out stray light
Protects your lens from accidental impact and the elements
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Soraa becomes first Silver Partner to PLDC 2019
Soraa™ is a lighting design pioneer, transforming ordinary light into something extraordinary. Soraa’s unique approach to LED design and meticulous construction ensure our LEDs render infinite shades of white and all colours of the visible spectrum, from violet to deep red, perfectly, creating natural full-spectrum light. This makes it possible to design light sources that provide unprecedented colour performance and beam control, taking visible light to a whole new level.
With global installations in some of the world’s most famous historical buildings, museums, galleries, luxury retailers and restaurants, Soraa professional applications have lent to a dramatic shift in the light quality that top chefs, artist, interior designers and premium retailers have come to recognise and appreciate.
Founded in 2008, Soraa is based in Fremont California, where it manufactures its LEDs.


The equipment may realize application of different sensors: Optical fiber sensor, proximity sensor, distance detection and amplifier photoelectric sensor etc. suit for sesnor related course in vocational school and engineering universities.
1. power: AC220V Input（1 phase three wire,50/60Hz）
2. Rated power:less than 1KVA
1. Realize use of Photoelectric sensor
2. Realize use of Inductive sensor experiment.
3. Realize use of Ultrasonic sensor experiment.
4. Realize use of Electromagnetic proximity sensor experiment
5. Realize use of Temperature detection experiment
6. Realize use of Motor speed test


When a cataract is removed, an intraocular lens (IOL) is inserted at the time of cataract surgery to improve visual function. A “basic” monofocal lens gives patients vision for one distance only. Patients who have a “basic lens” then need glasses to meet their demands for both distance vision and near vision. (ie. bifocal glasses)
Deluxe lens technology is also available for patients undergoing cataract surgery to increase the quality of vision and to reduce the need for glasses. For example, a technology Toric lens corrects a patient’s natural astigmatism and helps to sharpen vision in the distance. Patients may then be less dependent on glasses with driving and watching tv. Patients with Toric (Astigmatism correcting) lens still need glasses for reading.
A 3rd option is to select a lens which corrects for both distance and reading (Alcon PanOptix Trifocal, Tecnis Symfony & Multifocal, Alcon Restor, Crystalens among many platforms). These lenses commonly give vision at multiple distances (driving, computer, and reading). Patients may still need readers for very small print or in areas that have decreased lighting (such as restaurants).
Here are high-yield videos to learn more about cataract surgery:


LT3754 16 channel LED driver
The LT3754 16 channel LED driver with a step-up DC DC controller designed by Linear Technology is capable of driving up to 45V of LEDs. Each channel of the LT3754 led driver contains an accurate current sink with ±2.8% current matching.
If are used high current Leds channels can be paralleled .
The LT3754 16 channel LED driver circuit allows a PWM dimming range up to 3000:1 and an analog dimming range up to 25:1.
Operating frequency of the LT3574 16 channel LED driver can be programmed from 100kHz up to 1MHz using just a simple resistor or an external clock .


The Figures 1 -3 show the examples of the main technical solutions used to create the automated illumination control systems (AICSs) for various purposes. Each lighting fixture (LF) has the power supply network command receiver (PSNCR) installed into it. The lighting control cabinets (LCCs) operate under the annual astronomical schedule. If necessary, a natural illumination level meter can be connected to the CLL. Fully functional control can be implemented in either three-phase or single-phase lighting networks.
According to the diagram shown in Figure 1, these are mainly the outdoor illumination automated control systems (OIACSs) that are being created for the facilities divided territorially at which the lighting system operation modes have to be controlled in vast spaces, such as communities, motorways, corporate infrastructure facilities, recreation and tourism objects, etc.
The diagram shown in Figure 2 corresponds as a rule with the structure of the outdoor illumination automated control systems (IOACSs), the indoor illumination automated control systems (InIACS), or combined illumination for objects and facilities occupying large areas but located separately (local objects and facilities) in which the prompt visual supervision of electrically powered equipment and lighting fixtures operation mode is impossible. Such objects and facilities include railway stations, road tunnels, assembly halls of industrial enterprises, cargo handling terminals, sea ports, river ports and airports, hotel facilities, etc.
Implementation of the lighting control presented in Figure 3 is efficient for small separate (local) objects where it is possible to carry out a virtually uninterrupted supervision of condition and operation modes of lighting fixtures; this schematics is useful in simplified combination of LCCs and light controllers (LCs). Such objects include, for instance, fuel and gas stations, sports venues, cultural objects and recreation sites, shopping malls, etc.
Abbreviations used in figures: ЛВС = LCN – local computer network; ЦМУ = MCS – monitoring and control center; АРМ = AW – automated workstation; ШУО = LCC – lighting control cabinet; УУО = LC – light controller; ШКО = CEC – communication equipment cabinet; ОП =LF – lighting fixture; ЭПК = PSNCR – power source network command receiver; PLC – technology of address command transmission via power supply network.


Model No.: LD-STL-A07
LED Strip Light refers to the LED lamp welded to the copper wire or ribbon flexible circuit board with special processing technology. Not only LED Strip Light is soft and can curl like a wire , but also Morden LED Strip Light has the ability to shear and extend. And then LED Strip Light is connected to the power supply to emit light.And the bulb and circuit are completely covered in flexible plastic, good insulation, waterproof performance, safe use. What is more , LED Strip Light with a single lamp bead damage will only affect a single lamp bead is not bright, does not affect the lighting effect, more and more for the majority of users recognized. LED Strip Light are not easy to break, long service life .
| Philips RGB LED Strip Light |
90-305V or 100-265V
available on triac, 1-10V or Dali
-40°C ~ +40°C
|Voltage|| Power || Available CCT || Lumen ||Size|
|C90-305V||4W|| 4000K ||20|| 125*44 mm |
Our Other Related Product
Except led high bay light,we are also professional on indoor and outdoor lighting product for projects.
Such as:led downlight,track light,led tube,led bulb,led flood light and other small lighting products as so on .
We are not only a manufacturer, but also your expert lighting solution provider.
What Can We Do For you ?
- 12 hours quick quotation for your urgent project
- Free professional suggestion according to lighting solution
- Customize seriver to let your idea come ture
- Detailed IES test report to lighting simulation
- High quality product which produced as ENC60598 standard
- Strong carton for product
- Short production time
- Delivery on time
JIANGMEN LEDERLIGHT LIGHTING Co.,LTD
- Company Name: JIANGMEN LEDERLIGHT LIGHTING Co.,LTD
- Representative: June Chan
- Product/Service: LED Downlight , LED Tube , LED Track light , LED Flood Light , LED High Bay Light , LED Bulb
- Capital (Million US $): US$ 1 Million
- Year Established: 2013
- Total Annual Sales Volume (Million US $): US$10 Million - US$50 Million
- Export Percentage: 71% - 80%
- Total Annual Purchase Volume (Million US $): US$1 Million - US$2.5 Million
- No. of Production Lines: 5
- No. of R&D Staff: 5 -10 People
- No. of QC Staff: 5 -10 People
- OEM Services Provided: yes
- Factory Size (Sq.meters): 1,000-3,000 square meters
- Factory Location: NO.33 Minghui Load , Jianghai District,Jiangmen City
- Contact Person: Ms. Bobo Chan
- Tel: 86-0750-3066866
Premium Related Products


Why we invested in Peafowl Plasmonics
Energy harvesting technology based on nanoparticles with high energy conversion efficiency, enabling the design of ultra-transparent solar cells.
Coming from a fairly new scientific area within quantum mechanics, Peafowl Plasmonics is industrializing and productizing plasmonic nanoparticles, i.e. metallic nanoscale particles with astonishing optical properties. The plasmonic nanoparticle is best described as a nanoscale antenna for light – it efficiently captures the energy of light particles (photons) by creating resonant oscillations of the electrons in the metal particle. These resonant oscillations are called plasmons. If left alone, the energy will dissipate in the form of heat. But if you’re Peafowl, the energy can be collected in the form of electrical charges – enabling the application of plasmons in a completely new type of solar cell.
Due to Peafowl’s unique technology of converting light energy to electricity and its unmatched efficiency in doing so, plasmonic solar cells can be made totally transparent to the human eye while still capturing enough energy to power devices. This enables an energy supply that is invisible, aesthetic, sustainable and distributed – the ultimate power source for electronics ranging from IoT sensors to ebook readers.
At Navigare Ventures, we explore new scientific paradigms and invest in science-driven industrial shifts. With this investment we back founders Cristina Paun, Jacinto Sa and Per Edström’s mission of making energy sustainable and beautiful. We invest in a new generation of solar energy, powered by science.
Read more at Peafowl Plasmonics' website →


In our line of business fibre optic links are providing greater flexibility to broadcast any signal, over significant distances, with higher reliability.
Fibre optic is technology that uses glass (or plastic) threads (fibres) to transmit data. A fibre optic cable consists of a bundle of glass threads, each of which is capable of transmitting messages modulated onto light waves. Fibre optics has several advantages over traditional metal communications lines:
- Fibre optic cables have a much greater bandwidth than metal cables.
- Low attenuation loss over long distances.
- Fibre optic cables are less susceptible than metal cables to interference.
- Fibre optic cables are much thinner and lighter than metal wires.
- Data can be transmitted digitally (the natural form for computer data) rather than analogically.
DVI extenders are used to safely convert and transport the DVI or HDMI signals over a rugged but flexible fibre cable. They provide high speed and long distance transmission with video resolution up to 1920*1200@60H
SDI extenders are used to convert and transport SDI signal over fibre cable. They provide high speed and long distance transmission with video resolution up to 1920*1080@60H. Support SD-SDI,HD-SDI,3G-SDI
VGA Fibre Extender
Transmit VGA video and audio over long distances through the Fibre optic cable, USB keyboard and mouse transmission, HD video signals up to 1080P @ 60Hz
DVI to HDMI Adapters
DVI-D 24+1 pin male to HDMI female. Works in both directions.
DVI-D 24+1 pin female to HDMI male.
Wireless HD Video Link System
When fiber option is not available. SDI/HDMI wireless transmitter is mainly used to broadcast live feed to remote screens. Supports multiple channel switching and broadcast mode for 1 transmitter to multiple receivers, up to 1080p/60Hz resolution, HDMI/HD-SDI/3G-SDI. This link provides uncompressed picture quality with very low latency <1ms.


Often, a vehicle we need to photograph will be crammed in between other vehicles or in a small garage or storage area. I’ve encountered the same problem when trying to photograph a whole tire in a small conference room. A wide angle lens then becomes necessary to capture an overall photo in a single frame. But doing so will inevitably cause the vehicle or tire to appear distorted. (Click on image to enlarge, then click on back arrow to return.)These two images show the same van, but the top one was made with a ZEISS 50 mm lens, while the bottom one was with a ZEISS 25 mm lens. To fill the frame with the van, I made the photo with the 25 mm lens much closer to the van than with the 50 mm lens. The photograph made with the 25 mm lens looks like the van was the long wheelbase version while the 50 mm photo looks like it had the short wheelbase. This closer distance to the subject caused the wide angle lens to stretch the appearance of the van.
The best solution is to try to capture as much of the subject as possible with a lens as close to a 50 mm “normal” lens as possible. This might entail getting a higher vantage point, or shooting between obstacles. When that’s not possible, take the wide angle shot, then normal lens shots of parts of your subject.
Other effects of using wide, telephoto, and normal focal lengths for vehicles, accident sites, and for tires will be discussed in future posts.


Recommended Focal Lengths
This table lists the near-field lengths of minimum and maximum practical focal lengths in water (inches). Customers should only request focal lengths within these limits to achieve good focal performance. SNI is aware that some customers have experience with transducers focused longer than the recommended maximum (sometimes called “Beam Correction” since the transducer cannot achieve a focal point that long). These are available on a best-effort basis.
- N = Near-field practical focal length
- Min = Minimum practical focal length
- Max = Maximum practical focal length
N = (Dia)2 x (Freq.) / 4 x Velocity
When ordering immersion transducers, please include the part number followed by type of focus and focal length in inches (if applicable).
(ex. 00-011321 NF, 00-011321 6.0S, 00-011321 8.0C)
- NF = Non-focused (flat)
- S = Spherical focus
- C = Cylindrical focus