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The device enhances ambient visible light and converts near-infrared light into visible light which can then be seen by humans; this is known as I 2 (image intensification). By comparison, viewing of infrared thermal radiation is referred to as thermal imaging and operates in a different section of the infrared spectrum.
The Face ID hardware consists of a sensor with three modules; a laser [4] dot projector that projects a grid of small infrared dots onto a user's face, a module called the flood illuminator that shines infrared light at the face, and an infrared camera that takes an infrared picture of the user, reads the resulting pattern, and generates a 3D ...
Active infrared night-vision combines infrared illumination of spectral range 700–1,000 nm (just over the visible spectrum of the human eye) with CCD cameras sensitive to this light. The resulting scene, which is apparently dark to a human observer, appears as a monochrome image on a normal display device. [ 13 ]
A day and night camera is a security camera that can see the picture during the day hours, when there is enough sunlight, and during the night in total darkness or minimum illumination. A day and night camera has special lenses that allow infrared emission produced by infrared LEDs and reflected from objects to go through and reach a CCD or ...
A small infrared illuminator is built into the housing for viewing handheld items like a map, weapon, or radio screen. A gain control knob is centrally mounted on the bridge of the goggle housing. Both the eyepieces and objective lenses are capable of affixing a protective sacrificial lens, and the objective lenses have removable protective ...
The lasers and illuminator are co-aligned and assembled into a single rotary module allowing single adjustment zeroing, with the ability to change the size of the IR Illuminator beam. The Visible light is located on the opposite side to the laser module, but cannot be activated with the laser in order to prevent white light discharge, and ...
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