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| Number | Title | Issue Date |
| 5506402 | Transmission mode 1.06 μM photocathode for night vision having an indium gallium arsenide active layer and an aluminum gallium azsenide window layer An improved photocathode (12) and image intensifier tube (10) are disclosed along with a method for making both the tube (10) and photocathode (12). The disclosed image intensifier tube (10) creates a visible light image (20) from an image emitting photon... | 04/09/1996 |
| 5467479 | Night vision goggle mount A helmet mount (10) for night vision goggles (12) is disclosed that is formed with a rear clamp (24), front clamp (16), a strap (20) disposed between the front and rear clamps (16, 24), and a goggle mounting structure (14). The goggle mounting structure (... | 11/21/1995 |
| 5457310 | Method and system for automatically correcting boresight errors in a laser beam guidance system A method and system is provided for automatically maintaining the position of a laser beam relative to a boresight axis with a highly sensitive and selective beam position detector that is optimally located for noise reduction, and compensating for angula... | 10/10/1995 |
| 5426533 | Apparatus for enhancing collimation and improving collection efficiency from high aspect ratio linear energy sources There is provided an apparatus for improving power transfer or collection efficiency from a high aspect ratio linear junction laser diode to associated collimation optics in a weapon rangefinder, illuminator, laser spot projector, optical security system,... | 06/20/1995 |
| 5355224 | Apparatus including a mangin mirror for superimposing variable graphical and alphanumeric information onto the image plane of an optical viewing device There is provided an improved optical viewing device (10) in which variable compass heading information (80) and stadiametric range measuring information (88), (106), (118) is superimposed upon the image of a scene viewed through a viewing optical system ... | 10/11/1994 |
| 5329347 | Multifunction coaxial objective system for a rangefinder There is provided a multifunction coaxial objective system (16) for a laser rangefinder (10). The transmitter, receiver, and viewing optical systems have a common, coaxial optical axis (48). The multifunction coaxial objective system (16) includes lenses ... | 07/12/1994 |
| 5218194 | Advanced high voltage power supply for night vision image intensifer The improved power supply of the present invention adjusts the voltages applied to an image tube to provide automatic brightness control and automatically compensate for temperature changes. A first oscillator, transformer and multiplier supply DC high vo... | 06/08/1993 |
| 5204774 | Night vision goggle with improved optical system There is provided an improved night vision goggle having a housing containing an objective lens assembly, an image intensifier tube, a collimator assembly, a splitter member, and a pair of afocal telescopes. The optical axis of the afocal telescopes are o... | 04/20/1993 |
| 5194734 | Apparatus and method for indicating a contour of a surface relative to a vehicle An apparatus and method for indicating a contour of a surface relative to a vehicle, in which a first electromagnetic radiation source projects a first beam to create a first reflection pattern on the surface. A second electromagnetic radiation source pro... | 03/16/1993 |