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NIGHT VISION TECHNOLOGY

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NIGHT VISION TECHNOLOGY

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night vision technology presentation

Night vision

by Chris Woodford . Last updated: September 6, 2023.

H ow many times has someone said to you: "If you eat all your carrots, you'll be able to see in the dark." If there were any truth in that, soldiers, sailors, and pilots wouldn't go anywhere without a carrot stuffed in their pocket. Much more useful on the battleground are night vision goggles: electronic eyes that boost weak night-time vision into something many times more powerful. If you want to fight wars at night or watch wildlife in the twilight, night vision goggles are the way to go—but how exactly do these clever bits of kit turn darkness into light? Let's take a closer look!

Photo: Night-vision goggles need to give helicopter pilots a wide field of vision. Photo courtesy of Eric James, NASA Ames .

What kind of night vision do animals use?

Humans are built for living in the daytime and sleeping in the dark. The retina (the light -sensitive part of our eyes) has cells called cones (for seeing colored light) and rods (for detecting movement and dim light). We have 20 times more rods than cones (120 million rods and only 6 million cones), yet we're still not very good at seeing in the dark. [1]

Photo: The armadillo is generally a creature of the night. Photo by John and Karen Hollingsworth courtesy of US Fish and Wildlife Service .

Other animals are built differently. Creatures that live in the dark tend to have much bigger pupils (holes in front of their eyes) to let in more light. Tarsiers, for example, have enormous eyes relative to their body size. Like other nocturnal creatures, their retinas contain many more rods than the human eye. Cats, which also spend much of their time hunting at night, are among creatures whose eyes contain a tapetum . This is a natural mirror that reflects light back out of the eye. Its job is to bounce the incoming light twice through the retina so the animal has double the chance to see things. That's why cats are so good at seeing in the dark—and why, when you shine at torch at them, their eyes reflect light straight back like mirrors.

Humans can't use any of these tricks. Our pupils open wider in dim light, but not wide enough to help us that much at night. Our eyes don't have enough rods—and we don't have a tapetum. So what can we do to see at night? We can reach for technology!

How to invent night vision

Photo: A Land Warrior PVS-14 night vision device. Photo by courtesy of US Army.

Imagine your job is to invent a pair of eyeglasses that will help people see at night. It's obvious what you have to do. Light rays will travel into the glasses at the front, so you must capture them somehow, boost them in strength, and then fire them into the person's eyes. But how can you capture and boost light? Binoculars , telescopes, and even ordinary eyeglasses will bring light to a focus, but they don't make it any brighter. It's easy to invent a pair of glasses that make things dimmer: you just coat the lenses with something that absorbs some of the light—and that's how sunglasses work. But glasses that make things brighter are a tall order.

Electricity , on the other hand, is very easy to boost in strength. People have invented all sorts of electrical devices that take in a small electric current (flow of electricity) at one end and produce a bigger flow at the other. Something that does this is called an amplifier . A hearing aid, for example, uses a tiny electronic component called a transistor to amplify sounds (increase their volume) captured by a microphone so that someone hard of hearing can listen to them more easily. An electric guitar uses a much more powerful amplifier to turn the plucking sounds the strings make into sounds that can fill a stadium.

So here's a way to invent goggles that boost light. What if we turn the light into electricity, boost the electricity, and then turn the boosted electricity back into light? That should make the light much brighter so we can see even at night. This unlikely sounding trick really does work—and it's how night vision goggles help us to see.

Photo: Night vision goggles are an extension of your own vision. Photo by Kenneth R. Hendrix courtesy of US Navy and Wikimedia Commons .

How do night vision goggles work?

Photo: Artwork by explainthatstuff.com based on the photo up above, courtesy of US Army. Please note that this is a generalized illustration of what happens in night vision goggles; it doesn't represent precisely how the Land Warrior device shown in the photo actually works.

In practice

Artwork: From US Patent 5,737,131: Night vision monocular by Gary L. Palmer, ITT Corporation, April 7, 1998. Courtesy of US Patent and Trademark Office (with colors added for clarity).

Photo: Night-vision goggles have to be kept clean just like ordinary eyeglasses. Here, an electronics worker is cleaning out the photomultiplier (also called an image intensification tube). Photo by Tracey Condi courtesy of US Army .

Why does everything look green through night vision goggles?

Even at night, the photons that hit the lens at the front of night vision goggles are carrying light of all colors. But when they are converted to electrons, there's no way to preserve that information. Effectively, the incoming, colored light is turned into black and white. Why, then, don't night vision goggles look black and white? The phosphors on their screens are deliberately chosen to make green pictures because our eyes are more sensitive to green light. It's also easier to look at green screens for long periods than to look at black and white ones (that's why early computer screens tended to be green). Hence, night vision goggles have their characteristic, eerie green glow.

Photo: Night vision images typically look green. Photo by Aaron Ansarov courtesy of US Navy and Wikimedia Commons .

What if there really is no light?

Photo: Powerful, thermal-imaging cameras are really helpful to firefighters working in places where dense smoke limits visibility. Photo by Jo Wilbourn courtesy of US Navy and Wikimedia Commons .

Photo: An infrared thermal image (thermogram) of a person: here different colors show different temperatures, with white, yellow, and red hottest and blue and black coldest. You can see the person's head is hotter than their body and the air around them. Photo by Kaylee Dubois courtesy of US Air Force and DVIDS .

How does a thermal image sensor work?

Artworks: A thermal camera with helmet mounting. Left: Front view showing how the camera and its eyepiece are attached to the helmet; Right: Exploded view. US Patent 7,369,174: Helmet-mounted thermal imaging system by Jules Olita et al, Sage Technologies, May 6, 2008, courtesy of US Patent and Trademark Office.

  • 12 and 12A. Protective helmet and cap (yellow).
  • 18. Case for image sensor unit (gray).
  • 18A. Opening for camera lens and image sensor (orange).
  • 22. Monocular eyepiece display (red).
  • 24. Bendy arm carrying cables from to image sensor to display (light blue).
  • 44. On/off switch (purple).
  • 36. Infrared camera (yellow).
  • 38. Battery (orange).
  • 40 and 42. Imaging processing and display circuit boards (green).

How else can we see in the dark?

If you liked this article..., find out more, on this website.

  • Electronics
  • Photoelectric cells

On other websites

  • Infrared energy : NASA has a good simple explanation of infrared light, including the various kinds of thermal imaging and their uses in astronomy.
  • Night Vision: The Art of Urban Exploration by Troy Paiva. San Francisco, California: Chronicle Books, 2008. A book of unusual photos taken with night vision equipment.
  • Selected papers on night vision technology by R. Hradaynath (ed). SPIE Optical Engineering Press, 2001. A collection of over 100 key academic papers.

News articles

  • Move Over, CMOS: Here Come Snapshots by Quantum Dots by Peter Palomaki and Sean Keuleyan. IEEE Spectrum, February 25, 2020. Quantum dots could improve the quality of image sensors in things like night vision goggles.
  • The Taliban Have Gone High-Tech. That Poses a Dilemma for the U.S by Thomas Gibbons-Neff and Jawad Sukhany. The New York Times, April 1, 2018. Night vision can give troops a military advantage, but not if it falls into "enemy" hands.
  • Night Vision for Self-Driving Cars by Mark Harris. IEEE Spectrum, 18 October 2017. How infrared sensors could help self-driving cars to navigate at night.
  • A Sharper Picture for Night Vision by John R. Quain. The New York Times. December 5, 2014. Could night vision windshields and heads-up displays help motorists negotiate their way down darkened highways?
  • Graphene Gives You Infrared Vision in a Contact Lens by Dexter Johnson. IEEE Spectrum. March 17, 2014. Graphene can detect infrared radiation, but can't produce much of a current when it does so. This article explores the extra tricks needed to make graphene work in night vision equipment.
  • Inside The Freaky World Of Next-Gen Night Vision by Noah Shachtman. Wired, 14 September 2011. A closer look at cutting-edge, military grade ITT goggles.
  • Night vision scopes see daylight by Daniel Emery. BBC News, 17 November 2009. Latest developments in military night vision equipment, including a short video showing what things look like through night vision.
  • US Patent 3,454,773: Binocular night telescope with single image tube by Henricus Wilhelmus Bulthuis, Optische Ind De Oude Delft Nv, July 8, 1969. This one explains the optical system (prisms, lenses, and so on) in a typical night vision device.
  • US Patent 3,553,518: Image intensifiers for night vision by Pieter Schagen, Philips Corporation, January 5, 1971. A brief but quite detailed explanation of electron multipliers and image intensifiers, and how phosphor colors are chosen to complement night-adapted vision.
  • US Patent 4,463,252: Night vision goggle system by Thomas M. Brennan and Robert M. Burley, Baird Corporation, July 31, 1984. A typical modern night vision system.
  • US Patent 5,737,131: Night vision monocular by Gary L. Palmer, ITT Corporation, April 7, 1998. A detailed technical description of a night vision scope similar to the PVS-14 Land Warrior shown in the photos above.

Thermal imaging

  • US Patent 7,369,174: Helmet-mounted thermal imaging system by Jules Olita et al, Sage Technologies, May 6, 2008. A monocular thermal camera built into a rescue worker's helmet.
  • US Patent 3,723,642: Thermal imaging system by Peter Laakmanm, Hughes Aircraft, March 27, 1973. A general outline of a thermal imaging system that scans and produces a picture like a conventional, cathode-ray television.

References ↑     Ophthalmology by James J. Augsburger et al (eds), Mosby Elsevier, 2009, p.553. Please do NOT copy our articles onto blogs and other websites Articles from this website are registered at the US Copyright Office. Copying or otherwise using registered works without permission, removing this or other copyright notices, and/or infringing related rights could make you liable to severe civil or criminal penalties. Text copyright © Chris Woodford 2007, 2020. All rights reserved. Full copyright notice and terms of use . Follow us

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Night Vision Technology Seminar ppt and pdf Report

Night Vision Technology Seminar and PPT with pdf report: Night vision technology, literally allows one to see in the dark. It is originally developed for military use. Humans have poor night vision compared to many other animals. This page contains Night Vision Technology Seminar and PPT with pdf report.

Also See: Seminar Topics for CSE

Types of Night Vision Technology

There are two types of Night Vision.

  • Biological Night Vision
  • Technical Night Vision

Night Vision Technology Devices

Night vision devices are divided into three categories.

  • SCOPES – They are monocular normally handheld or mounted on a weapon.
  • GOGGLES – They are binocular and worn on the head.
  • CAMERAS – Used for transmission or recording of images mostly if the location is fixed.

Also See: Nanoparticles ppt

Application of Night Vision Technology

  • Wildlife observation
  • Hidden-object detection

Advantages of Night Vision Technology

  •  No particular skill required
  • Accidents cases reduction
  • Compact system
  • 3x range visual

Also See: Black Hole ppt

Disadvantages of Night Vision Technology

  • The only disadvantage is that the Initial cost too high.

Content of the Seminar and pdf report for Night Vision Technology

  • Introduction
  • Types of Night Vision
  • Working of Technical Night Vision
  • Night Vision Devices
  • Generations
  • Applications

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night vision technology presentation

Night vision technology

O vacuum tube technology. o full moon operation. ... itt's advanced technology and processing enable us to give our customers products with outstanding sensitivity. – powerpoint ppt presentation.

  • It allows one to see in the dark.
  • Originally developed for military use, has provided UNITED STATES with a strategic military advantage whose value can be measured in life's.
  • Night vision equipment has evolved from bulky optical instruments in lightweight goggles through the advancement of image intensification technology.
  • IMAGE ENHANCEMENT This works by collecting the tiny amounts of light, including the lower portion of the infrared light spectrum, that are present but may be imperceptible to our eyes, and amplifying it to the point that we can easily observe the image.
  • THERMAL IMAGING This technology operates by capturing the upper portion of the infrared light spectrum, which is emitted as heat by objects instead of simply reflected as light. Hotter objects, such as warm bodies, emit more of this light than cooler objects like trees or buildings.
  • Infrared light In order to understand night vision, it is important to understand something about light.
  • The amount of energy in a light wave is related to its wavelength Shorter wavelengths have higher energy. Of visible light, violet has the most energy, and red has the least. Just next to the visible light spectrum is the infrared spectrum.
  • Cryogenically cooled
  • A conventional lens, called the objective lens, captures ambient light and
  • some near- infrared light.
  • The gathered light is sent to the image-intensifier tube. In most NVDs, the power
  • supply for the image-intensifier tube receives power from two N-Cell or two
  • "AA" batteries. The tube outputs a high voltage, about 5,000 volts, to the image-tube components.
  • The image-intensifier tube has a photocathode, which is used to convert the
  • photons of light energy into electrons.
  • As the electrons pass through the tube, similar electrons are released from atoms
  • in the tube, multiplying the original number of electrons by a factor of thousands
  • through the use of a micro channel plate (MCP) in the tube. An MCP is a tiny
  • glass disc that has millions of microscopic holes micro channels in it, made using
  • fiber-optic technology.
  • When the electrons from the photo cathode hit the first
  • electrode of the MCP, they cause thousands of other
  • electrons to be released in each channel using a process
  • called cascaded secondary emission. Basically, the
  • original electrons collide with the side of the channel,
  • exciting atoms and causing other
  • electrons to be released.
  • An interesting fact is that the micro
  • channels in the MCP are created at a Night-vision images are known
  • for their eerie green tint.
  • slight angle (about a 5-degree to
  • 8-degree bias) to encourage electron
  • collisions and reduce both ion and direct-light feedback from the phosphors on the output side.
  • These phosphors create the green image on the screen that
  • has come to characterize night vision.
  • GENERATION 1 (Developed in 1960's)
  • o Vacuum Tube Technology
  • o Full Moon Operation
  • o Amplification 1,000
  • o Operating Life 2,000 Hours
  • GENERATION 2 (Developed in 1970's)
  • o First Micro channel Plate (MCP) Application
  • o One-Quarter Moon Operation
  • o Amplification 20,000
  • o Operating Life 2,500 Hours
  • GENERATION 2 (1970s)
  • o Development increased image tube bias voltage to improve gain.
  • o Additionally, a glass faceplate was added to improve resolution.
  • GENERATION 3 (Developed in 1990's)
  • o Improved MCP Photocathode
  • o Starlight Operation
  • Sensitivity, or photo response, is the image tube's ability to detect available light. It is usually measured in uA/lm," or microamperes per lumen. ITT's advanced technology and processing enable us to give our customers products with outstanding sensitivity.
  • Signal plays a key role in night vision performance. ITT's micro channel plate technology is unsurpassed in its ability to transfer a strong signal from input to output. Just as high-end stereo equipment gives you quality sound, ITT Night Vision gives you a quality output image without "noise.
  • Resolution is the third major consideration when purchasing night vision. This is the ability to resolve detail in your image. High-quality optics and the latest processing methods give ITT Night Vision the edge.
  • We are the world's leader for Gen 3 image intensified (amplified) night vision products for the U.S. military.
  • Textures, Light and Dark
  • Depth Perception
  • Fog and Rain
  • Black Spots
  • Scopes - Normally handheld or mounted on a weapon, scopes are monocular (one eye-piece).
  • Goggles - While goggles can be handheld, they are most often worn on the head. Goggles are binocular(two eye-pieces) and may have a single lens or stereo lens, depending on the model.
  • Cameras - Cameras with night-vision technology can send the image to a monitor for display or to a VCR for recording..
  • Automatic Brightness Control (ABC)
  • Auto-Gated Power Supply
  • Bright-Source Protection (BSP) - High-Light Cut-Off
  • Bore sighting
  • COMSPEC (Commercial Specification)
  • Chicken Wire
  • Daylight Lens Cover
  • Daylight Training Filter
  • Equivalent Background Illumination (EBI)
  • Emission Point
  • Field-of-View
  • Figure of Merit (FOM)
  • Fixed-Pattern Noise (FPN)
  • Footlambert (fL)
  • Gallium Arsenide (GaAs)
  • Highlight Shutoff
  • Interpupillary Adjustment
  • Interpupillary Distance
  • IR Illuminator
  • I2 (Image Intensification)
  • IR (Infrared)
  • Nato- Stanag
  • mA/W (Milliamps per Watt)
  • MCP (Microchannel Plate)
  • Near-Infrared
  • Photocathode
  • Photocathode Sensitivity
  • Reticle (Reticle Pattern)
  • Signal-to-Noise Ratio (SNR)
  • Scintillation
  • Stereoscopic Night Vision
  • System Gain
  • Variable Gain Control
  • Weaver Mounting System
  • Law enforcement 
  • Wildlife observation  
  • Surveillance 
  • Hidden-object detection
  • Entertainment

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Night Vision Technology

Originally developed for the military use, night vision technology allows one to see in the dark. We humans have poor night-vision compared to many animal species. But now with proper equipment we can see a person standing far away on a moonless cloudy night ! Today in the 21st century we have come a long way in developing night vision technology since it’s discovery. It is used mainly for defense purposes, as the law often prohibits its application within scientific or civilian ranges. 

Working principle: Night vision technology works in two different ways, namely Image Intensification and Thermal Imaging .

  • Image intensification: This method basically involves ambient light amplication. It works by being able to detect low levels of light and then amplify it. When photons( tiny energy packets that make up light) enter an image enhancer they first hit a layer called a photo cathode which releases electrons. These electrons hit a second layer called a micro channel plate which multiplies the electrons before they hit the phosphor screen which converts them back into light because there are now so many more electrons that we get a brighter image. But this model fails if there isn’t enough light for the thermal enhancers to see at all.
  • Thermal Imaging: This approach requires capturing the upper portion of the infrared light spectrum emitted as heat energy by objects instead of being simply reflected as light. Temperature is detected by capturing the different levels of IR radiation. Although we cannot see the light in the dark, but it can be felt as heat provided the intensity is high enough. But thermal imaging has many disadvantages: too costly, image formed is of poor quality and we cannot see the target objects if there are transparent obstacles in our field of view.

Night vision devices:

  • Scopes – Monocular device, handheld or mounted on a weapon.
  • Goggles – Binocular and worn on the head.
  • Cameras – Used for capturing images/ recording videos.

Advantages:

  • No particular skill is required.
  • Compact system.
  • Reduction in accident cases.

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ITT-- Night Vision Technology. Kam Ng and Scott Nelson 25 November 2008. Night Vision Goggle Technology. Night vision technology helps people to see better in the dark and hence maneuver and fight effectively at night.

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NIGHT VISION GOGGLES

NIGHT VISION GOGGLES. OBJECTIVE. Develop Student Instructor Pilot’s (SIP) understanding of ANVIS and the associated limitations. TOPICS FOR DISCUSSION. NVG General Description AN/AVS-6(V)1 Operational Defects / Cosmetic Blemishes How They Work Operator’s Checks Weather considerations

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NIGHT VISION TECHNOLOGY

BY DEEPIKA.G.D 1DB05IS015 DBIT. NIGHT VISION TECHNOLOGY. NIGHT VISION TECHNOLOGY. Introduction Types of NVT

10.79k views • 29 slides

Night Vision

Night Vision. By Arthur Wolff Justin Fromm. Night Vision Uses. Rifle Mounted Scopes Binoculars Cameras Telescopes Goggles. Uses cont. These devices are used in many applications. Military Hunting Law Enforcement Recreation. Parts. Objective Lens Image Intensifier Tube Batteries

346 views • 8 slides

Night Vision Goggles

Night Vision Goggles. Can give images up to 200 yards away. Two uses.

494 views • 9 slides

Night Vision Scopes

Night Vision Scopes

http://www.southernhogcontrol.net/ Thermal Scopes, Thermal Rifle Scopes, Night Vision Scopes, Night Vision Equipment, Hog Trap, Hog Control GA, Trapping Hogs

250 views • 4 slides

IMAGES

  1. Best night vision devices & how to use them

    night vision technology presentation

  2. Night Vision Technology PowerPoint Template and Google Slides Theme

    night vision technology presentation

  3. Night Vision Technology PowerPoint Template and Google Slides Theme

    night vision technology presentation

  4. PPT

    night vision technology presentation

  5. Night Vision Technology PowerPoint and Google Slides Template

    night vision technology presentation

  6. Night Vision Technology PowerPoint and Google Slides Template

    night vision technology presentation

VIDEO

  1. NIGHT VISION TECHNOLOGY IN AUTOMOBILE'S (MALAYALAM)

  2. AONV: Application of Night Vision

  3. Tehnologia ColorPro™ Night Vision

  4. night vision camera in the daylight

  5. Revolutionary Soviet Night Vision Devices: Unveiling the Prism

  6. Night Fighter

COMMENTS

  1. Night Vision Technology PowerPoint and Google Slides Template

    Download our Night Vision Technology presentation template to explain the system that allows users to see in low-light or dark environments. You can explain how it works by amplifying available light, such as moonlight or starlight, or using infrared light, which is invisible to the naked eye. Utilize our fully customizable deck to provide a ...

  2. (PDF) Night Vision Technology: An Overview

    Night Vision technology: Night vision technology was developed by the US defense. department mainly for defense purposes, but with the. development of technology n ight vision devices are being ...

  3. NIGHT VISION TECHNOLOGY

    6 Figure illustrates Generation 1 Night vision technology. 7 Generation-1 (1960's) Uses passive infrared Uses ambient light provided by the moon and the stars Don't require a source of projected infrared light Don't work well on cloudy or moonless nights One quarter moon operation Uses same image-intensifier tube technology as Generation ...

  4. How does night vision work?

    In theory. Night vision goggles boost a dim, dark scene in a series of simple steps: Dim light from a night scene enters the lens at the front. The light is made of photons (particles of light) of all colors. As the photons enter the goggles, they strike a light-sensitive surface called a photocathode.

  5. Night Vision Technology Seminar Presentation

    Night Vision Technology Seminar Presentation - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Night Vision is an optical device consisting of highquality image intensifier tubes and optics that amplify existing light. It can give you the enhanced images in very low light conditions, such as caves, where no ambient light is ...

  6. Night Vision Technology Seminar ppt and pdf Report

    Sumit Thakur March 28, 2021 Night Vision Technology Seminar ppt and pdf Report CSE Seminars 2 Comments. Night Vision Technology Seminar and PPT with pdf report: Night vision technology, literally allows one to see in the dark. It is originally developed for military use. Humans have poor night vision compared to many other animals.

  7. Night Vision Technology

    Night Vision Technology Ppt - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. night vision technology

  8. PPT

    Figure illustrates Generation 2 Night vision technology. Generation-2 (1970's) • Offer improved resolution and performance over Generation-1 devices • Considerably more reliable • Able to see in extreme low light conditions due to the addition of microchannel plate (MCP) to the image-intensifier tube • The images are less distorted ...

  9. PPT

    NIGHTVISION TECHNOLOGY SUBMITTED BY SrabaniKanungo 0301223362 (ENTC). INTRODUCTION • Night vision technology enables you to see objects clearly at night at distances up to several hundred yards in the absence of any artificial light. People, buildings, vehicles & details of the landscape viewed through a modern night vision system appear almost as if illuminated while the same objects viewed ...

  10. 35 Best Night Vision-Themed Templates

    Presentation enhanced with business vision and overwork concept - female graphic designer with dry eye syndrome using drops at night office background Slide set having detail of a surveillance camera with infrared technology for night vision and wireless connection city in the background security concept

  11. Night Vision Technology

    Fog Screen Technology. Download our Night Vision Technology template for PowerPoint and Google Slides to discuss the usage of highly advanced light-sensitive cameras to produce clear visible images at night which can't be seen with the naked eye. IT professionals can leverage this entirely editable deck to showcase how this technology helps ...

  12. PPT

    Night Vision Technology By: Johanna Renfro. Introduction • Night vision technology has shaped history. • Pre 1940's: Flares and spot lights were used for operations at night. Introduction Cont. • Due to the nature of these early night vision devices (NVD), they gave away tactical positions.

  13. NIGHT VISION TECHNOLOGY

    About This Presentation. Title: NIGHT VISION TECHNOLOGY. Description: NIGHT VISION TECHNOLOGY BY DEEPIKA.G.D 1DB05IS015 DBIT NIGHT VISION TECHNOLOGY Introduction NVT allows us to see in the dark Originally developed for military use Now ... - PowerPoint PPT presentation. Number of Views: 4733. Avg rating:3.0/5.0. Slides: 30.

  14. Night vision technology

    Night vision technology. Description: o Vacuum Tube Technology. o Full Moon Operation. ... ITT's advanced technology and processing enable us to give our customers products with outstanding sensitivity. - PowerPoint PPT presentation. Number of Views: 15562. Avg rating:3.0/5.0.

  15. PPT

    Figure illustrates Generation 2 Night vision technology. Generation-2 (1970's) • Offer improved resolution and performance over Generation-1 devices • Considerably more reliable • Able to see in extreme low light conditions due to the addition of microchannel plate (MCP) to the image-intensifier tube • The images are less distorted ...

  16. Night Vision Technology

    Working principle: Night vision technology works in two different ways, namely Image Intensification and Thermal Imaging. Image intensification: This method basically involves ambient light amplication. It works by being able to detect low levels of light and then amplify it. When photons ( tiny energy packets that make up light) enter an image ...

  17. PPT

    NIGHT VISION TECHNOLOGY. An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Download presentation by click this link. While ...