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"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 7278766 | LED based light guide for dual mode aircraft formation lighting A lighting device (1) includes one or more diode light sources (32), which are configured to emit light into the peripheral edges of a light guide (20). The light guide (20) includes a set of diffusing elements (22) for scattering ... | 10/09/2007 |
| 7266446 | Helmet mounted tracking system and method A helmet mounted tracking system for target designation includes an airplane azimuth sensor, a helmet mounted azimuth sensor, an airplane pitch sensor, a helmet mounted pitch sensor, and a processor. The airplane azimuth sensor determines an azimuth heading for an a... | 09/04/2007 |
| 7236105 | Anti collision light for aircraft Anti collision light for an aircraft includes a number of light emitting diodes (LEDs) arranged on a common plane. A reflecting arrangement is located above the plane and reflects the light emitted by the diodes in a sidewards direction. A surrounding reflecting arr... | 06/26/2007 |
| 7116716 | Systems and methods for generating a motion attention model Systems and methods to generate a motion attention model of a video data sequence are described. In one aspect, a motion saliency map B is generated to precisely indicate motion attention areas for each frame in the video data sequence. The motion saliency maps are ... | 10/03/2006 |
| 7023361 | Covert runway lighting apparatus and method A runway lighting fixture of the type normally permanently installed at an aircraft installation such as an airport to provide visible light signals to an aircraft, the fixture having an internal, non-visible light source such as an infrared lamp capable of being ac... | 04/04/2006 |
| 6717525 | Tactical vectoring equipment a plurality of bi-color lights is mounted to the stern of a ship such as an aircraft carrier. The lights are arranged so that they are visible from an escort ship that is following the aircraft carrier while attempting to maintain a selected range and angular positi... | 04/06/2004 |
| 6567248 | Tri-spectrum aircraft landing light An apparatus for a portable aircraft landing light system. The system has three modalities that can be controlled manually or remotely. The modalities are visible light, infrared light and FLIR emission. A ballast and battery provide constant power supply... | 05/20/2003 |
| 6559777 | Dual mode light source for aircraft external lighting A dual mode light source unit is configured so that it can be secured into a conventional incandescent bulb socket on the aircraft. The light source has a connector portion that fits in the socket and receives the electrical current supplied thereto by th... | 05/06/2003 |
| 6507290 | Light emitting diode cluster module capable for use as an aircraft forward position light source A light source in the form of a light emitting diode (LED) cluster module suitable for use as an aircraft forward position light source. The light source comprises multiple LED components mounted on a base structure together with supporting electronic com... | 01/14/2003 |
| 6461029 | Led position lamp A lamp, in particular a position lamp for a motor vehicle, has a housing in which at least one light source is arranged, with the housing having a light pane covering an opening of the housing, with the light source being structured as a plurality of ligh... | 10/08/2002 |
| 6401014 | Signal system A signal system 10 for a vessel such as an aircraft, incorporates nodes 16A, B, C arranged in a hierarchy. Low level nodes 16C are associated with plant 14 of the aircraft. Mid-level nodes 16B can communicate with groups of low level nodes 16C, grouped by... | 06/04/2002 |
| 5995214 | Process for pose estimation of a camera viewing an image scene Pose estimation of a camera is facilitated by including in the scene a space fiducial, an object that has the property that its appearance as viewed by the camera uniquely determines the direction from which it is viewed.... | 11/30/1999 |
| 5710560 | Method and apparatus for enhancing visual perception of display lights, warning lights and the like, and of stimuli used in testing for ocular disease Apparent object motion is created to stimulate rapid M cell response in an observer's visual system. In one embodiment, first and second pairs of lights, spaced apart about 1 to 60 minutes of visual angle at the viewing distance, are operated such that th... | 01/20/1998 |
| 5410399 | Interpolative direction determining system Apparatus for determining position within a beam, comprising pulses of energy transmitted in coded patterns, is achieved by processing the signals received from the beam to generate a value indicative of coarse position within the beam and by interpolatio... | 04/25/1995 |
| 5381312 | Aircraft illumination device A system for illuminating parts of an aircraft, such as a helicopter, including three low-intensity position lights (10) mounted on the aircraft, with two of the position lights mounted in a forward location and spaced laterally from the center of the air... | 01/10/1995 |
| 5361018 | Intermediate voltage cable marker with enhanced conspicuity An intermediate voltage or cable marker with a gas filled lamp with reflectively enhanced conspicuity comprising an inner conductive coating in an opaque shell; the shell being mountable on an the intermediate voltage line and having one end of the gas fi... | 11/01/1994 |
| 4799060 | Traffic signal A traffic signal made up of a conventional stop and go configuration of lamps and switching means with an improved lamp control and improved lamps. The lamps are of the incandescent type, preferably having two filaments. The filaments are connected to a s... | 01/17/1989 |
| 4759735 | Solar cell powered beacon A solar-powered beacon comprises a water-tight caisson housing a battery for storing electricity produced by solar cells atop the beacon. An electronic circuit within the caisson controls operation of the beacon. The caisson material acts as a heat sink f... | 07/26/1988 |
| 4737764 | Modular floor covering units with built-in lighting An apparatus for guiding the occupants of a structure along a path of travel within the structure is provided. The apparatus is comprised of modular floor covering units which are abuttingly arranged to cover the floor of the structure, with some of the u... | 04/12/1988 |
| 4685800 | Alignment system Disclosed is a system for aligning elements in azimuth, in particular guns of artillery batteries. A prior system of this type uses an omnidirectional xenon beacon which produces pulses to indicate rotation of a reference unit, a double pulse indicating a... | 08/11/1987 |
| 4346430 | Coded strobe light device for aircraft This strobe light device is intended as an aid to aircraft operators, in supporting the "See and Avoid" concept as set forth in "Federal Aviation Regulations Part 91", and it consists primarily of a cluster arrangement, which includes a power source, a ti... | 08/24/1982 |
| 4238791 | Model aircraft with altitude change indicating means A model aircraft with wireless earth-to-craft control. A device is aboard to emit signals indicating altitude change and visible by the operator on earth, this device being triggered operatively by signals produced by an air-pressure transducer of small s... | 12/09/1980 |
