Topic
Night vision
About: Night vision is a research topic. Over the lifetime, 6004 publications have been published within this topic receiving 67372 citations.
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Patent•
20 Dec 1991
TL;DR: An improved photocathode for use in a night vision system, comprising a glass face plate, an AlInAs window layer having an anti-reflection and protective coating bonded to the face plate and an InGaAs active layer epitaxially grown to the window layer, and a chrome electrode, was presented in this paper.
Abstract: An improved photocathode for use in a night vision system, comprising a glass face plate, an AlInAs window layer having an anti-reflection and protective coating bonded to the face plate, an InGaAs active layer epitaxially grown to the window layer, and a chrome electrode bonded to the face plate, the window layer, and the active layer providing an electrical contact between the photocathode and the night vision system, whereby an optical image illuminated into the face plate results in a corresponding electron pattern emitted from the active layer.
31 citations
TL;DR: It is concluded that injection of polystyrene beads and sodium hyaluronate causes chronic IOP elevation which results in phenotypes of stable b-wave amplitude increase and progressive pSTR amplitude reduction, as well as RGC loss and axial length elongation.
31 citations
Patent•
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06 Dec 1985
TL;DR: In this paper, a night vision system consisting of a helmet and a night-vision device is described, where a four-bar linkage arrangement is used to constrain the eye pieces for rotational movement about the respective eye positions (IL, IR) between different operative positions.
Abstract: A night vision system comprising a helmet (1) having a transparent visor (13 or 15) before or movable to a position before the eye positions (IL, IR) of an observer wearing the helmet and a night vision device (19) having two eye pieces (22L, 22R), one for each eye, supported dependant from the helmet (11) so as to present the eye pieces (22L, 22R) of the device (19) at a short distance before the helmet wearer's eye positions and the visor (13 or 15). The device (19) is supported by means of a four-bar linkage arrangement (A,B,C,D) which constrains the eye pieces (22L, 22R) for rotational movement about the respective eye positions (IL, IR) between different operative positions, and so that the eye pieces (22L, 22R) do not make contact with the visor (13 or 15) during eye piece movement.
31 citations
28 Oct 2010
TL;DR: The forward-looking ground-penetrating radar (FLGPR) as mentioned in this paper is an impulse-based radar system with a bandwidth that spans between 300 and 3000 MHz, and uses commercially available, off-the-shelf (COTS) components to create an effective sampling scheme of approximately 8 GHz.
Abstract: The use of low-frequency, ultra-wideband (UWB) radar technology to help detect concealed or buried targets has been demonstrated in the past, and could provide an important capability for combat systems on the battlefield. As part of Army's mission and technical objective, the Night Vision and Electronic Sensors Directorate, Countermine Division has designed and developed a Forward-Looking Ground-Penetrating Radar (FLGPR) with standoff capability. The forward-looking GPR is an impulse-based radar system with a bandwidth that spans between 300 – 3000 MHz. The innovative design uses commercially available, off-the shelf (COTS) components to create an effective sampling scheme of approximately 8 GHz. The design is modular, and can be scaled to provide a means for future improvement of electronic components to eventually meet the requirements of various combat systems. Early results from recent tests suggest that metallic targets buried near the surface can be detected with this radar system.
31 citations
Patent•
18 Oct 2006
TL;DR: In this paper, a clip-on infrared imager was coupled and decoupled to an existing night vision system to add infrared imaging to provide a fused image through at least one of the system eyepieces.
Abstract: A clip-on infrared imager may be coupled and decoupled to an existing night vision system to add infrared imaging to provide a fused image through at least one of the night vision system eyepieces.
31 citations