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| Number | Title | Issue Date |
| 6326915 | Radar device with multiplexed display functions for use in backing up a vehicle A radar device for use in backing up a vehicle is disclosed herein. A plurality of wave sensors is installed on a rear portion of a vehicle for detecting an obstacle therebehind. A master controller has a plurality of transceiver circuits and a microproce... | 12/04/2001 |
| 6300895 | Discreet radar detection method and system of implementation thereof The radar system of the invention uses a digital television network to make a multistatic configuration. The transmitted signal is of the OFDM type. The receiver or receivers carry out a matched filtering operation and recover the synchronization by proce... | 10/09/2001 |
| 6292130 | System for determining the speed and/or timing of an object A system is disclosed that can determine the speed of an object and report that speed in a format suitable for use on a television broadcast, a radio broadcast, the Internet or another medium. One example of a suitable use for the present invention includ... | 09/18/2001 |
| 6211809 | Surface-based passive millimeter-wave landing aid A passive millimeter-wave imaging system (10) that includes a millimeter-wave camera (12) positioned at the end of an aircraft landing strip (14) to provide an image (20) of the aircraft (16) approaching the landing strip (14) along a landing glidepath (1... | 04/03/2001 |
| 6181271 | Target locating system and approach guidance system The invention comprises a mulli-wave radar system for obtaining first target position information of a flying object by capturing and tracking the flying object from a maximum detection distance, a stereo-camera system for taking over the tracking of the ... | 01/30/2001 |
| 6118401 | Aircraft ground collision avoidance system and method A system and method for avoiding collision between objects and wingtips of an aircraft when the aircraft is on the ground includes mounting detecting devices such as a low cost radar unit and a video camera in the wingtip. These detection devices are coup... | 09/12/2000 |
| 6061014 | Surveillance method for wide areas A method for monitoring large surface areas. A thermal camera and an electromagnetic radar are rotated about a vertical axis to scan the area. The area is divided into sector-like surface elements. Monitoring criteria are established for each of the surfa... | 05/09/2000 |
| 5614907 | All weather visual system for helicopters The invention relates to an all weather visual system that combines information from a ROSAR type radar sensor with navigation and flight information to provide artificial vision for the pilot. The radar utilizes the movements of rotating arms fixedly mou... | 03/25/1997 |
| 5581250 | Visual collision avoidance system for unmanned aerial vehicles A collision avoidance ability for UAV (42) during its non-VFR pre-programmed autonomous flight is achieved by using a forward-looking TV camera (20) which senses visual obstacles in direction of flight. The UAV is equipped with an autopilot which is able ... | 12/03/1996 |
| 5579009 | Sensor system A sensor system comprises a plurality of sensor stations of the same type for surveillance of an area intended to include an object to be protected, the sensor stations being distributed essentially along the periphery of a circle, in the central part of ... | 11/26/1996 |
| 5357255 | System for the remote display of output data of at least one radar This system for displaying data on a display unit comprising a television screen associated with a videographic memory, the data containing at least one videographic signal and scanning data, a pre-processing unit for reel time programming the output data... | 10/18/1994 |
| 5341143 | Hierarchical tracker and method Method and apparatus for guiding a projectile to a target in a scene using a scene imaging sensor in which the projectile has a guidance and control system for aiming the projectile. A first tracker analyzes the scene and selects a first track point repre... | 08/23/1994 |
| 5335070 | Laser light beam homogenizer and imaging lidar system incorporating same A new and improved laser light beam homogenizer for transforming a laser beam with spatially inhomogeneous intensity into a beam with a more nearly spatially uniform intensity pattern is presented. The light beam is diverged by a lens and presented to an ... | 08/02/1994 |
| 5319373 | Method and apparatus for determining ship position in a television image Apparatus for detecting the position of a vessel in a broadcast image of the radar scan in a radar monitored area includes a television monitor for displaying a broadcast image of a radar scan of the area, and a controllable reflector for varying reflecti... | 06/07/1994 |
| 5296860 | Optical fiber based bistatic radar A bistatic radar system includes a transmitting radar site; a receiving radar site; and an optical fiber RF link system for transmitting RF signals from the receiving site to the transmitting site and for transmitting command and control signals from the ... | 03/22/1994 |
| 5280287 | Coded identification and positioning system An Identification Friend or Foe (IFF) method and system are provided to dct i) friendly ground-based vehicles, ii) each of the vehicle's unique identity, and iii) each of the vehicle's approximate position. A video image of an area of interest on the gro... | 01/18/1994 |
| 5239310 | Passive self-determined position fixing system A passive self-determined position fixing system for use by aircraft and other users such as sea-going vessels utilizes a directional radar in combination with an omnidirectional radar facility to produce a directional radar beam and simultaneous omnidire... | 08/24/1993 |
| 5231401 | Imaging lidar system An airborne imaging lidar (light detection and ranging) sensor is provided which employs multiple pulsed laser transmitters, multiple gated and intensified array camera receivers, an optical scanner for increased field of regard, and a computer for system... | 07/27/1993 |
| 5214408 | Distance detecting apparatus for a vehicle A distance detecting apparatus enables the driver of a vehicle to readily and concurrently recognize the location and direction of each of a plurality of objects present in the driver's field of view, in daylight or darkness, and at the same time determin... | 05/25/1993 |
| 5128874 | Inertial navigation sensor integrated obstacle detection system A system that incorporates inertial sensor information into optical flow computations to detect obstacles and to provide alternative navigational paths free from obstacles. The system is a maximally passive obstacle detection system that makes selective u... | 07/07/1992 |
| 5081456 | Method of detecting unknown object and apparatus therefor In visualizing an unknown object possessed by a person to be checked, a narrow pulsating radio wave beam is scanned over the whole surface of the person to observe the intensity of a reflected radio wave at each scan point. The frequency of the radio wave... | 01/14/1992 |
| 4843459 | Method and device for the display of targets and/or target positions using data acquisition means of a weapons system The invention pertains mainly to a method and a device for the display of targets and/or target positions using the data acquisition means of a weapons system. The device of the present invention can be used to display the target or the direction of the t... | 06/27/1989 |
| 4783134 | Microwave holograph device In a microwave holographic device, the main lobe of a microwave antenna is spatially scanned to receive a microwave signal reflected from an object. The received microwave signal is mixed with a reference signal to generate two-dimensional electric inform... | 11/08/1988 |
| 4348693 | Television weather radar system Information from a weather radar system (10) is gathered by a data transmitter (20) and sent to a data receiver (25) via a telephone or data line (30). The radar video information for each radial is divided into segments and temporarily stored in a memory... | 09/07/1982 |
| 4336539 | Navigational aid device A method and apparatus for converting a plan position indicating (PPI) radar image signal into a raster-type video signal and for broadcasting the radar image over an area scanned by the radar beam, where it can be received by a craft traveling within sai... | 06/22/1982 |
| 4333077 | Device for distance acquisition in a radar system A device for distance acquisition in a radar system, especially a tracking system, comprises a surveillance radar with a mobile directional antenna whose direction is known at each instant, a tracking unit whose line of sight is also known at each instant... | 06/01/1982 |
| 4139848 | Aircraft proximity warning indicator An aircraft proximity warning indicator incorporating an RF receiver, optical sensor, and display is described which may receive an RF signal followed by an optical radiation pulse from another aircraft where the received RF signal is used to control the ... | 02/13/1979 |
| 4081802 | Radar and navigation chart overlay video display system A display system for simultaneously showing slewed radar and navigation ct information on a real time basis. A slewed radar signal from a ship mounted radar is processed to maintain the terrain as a fixed display and the moving ship, upon which the radar... | 03/28/1978 |
| 4071843 | Video color display system A video color display system in which a synthetic image consisting of fixed and variable symbols and a radar image representing raw video are shown simultaneously and each in a plurality of shades. The video image supplied by a radar is converted into x a... | 01/31/1978 |
| 4015258 | Weapon aiming system A gun aiming system having target ranging means, wherein the operator observes the position of backscattered radiation from a bullet or bullets at the target range relative to a simultaneous visually observed target position. A diverged laser beam is refl... | 03/29/1977 |
| 4001499 | Display systems In a head-up display system video signals derived by a television (or infra-red) camera which is mounted on the aircraft nose to view substantially the same scene as viewed by the pilot along his line-of-sight through the partially-transparent reflector o... | 01/04/1977 |
| 3981010 | Object locating system This system observes and registers the instantaneous position of a moving, distant object. A television camera receives an image on its sensitive surface, and direction of the object is registered continuously in a data processing unit. The range of the o... | 09/14/1976 |
| 3934250 | Helicopter blind landing and hover system A precision hover and landing system for use in a helicopter is provided. A elevision camera system, an infra-red scanner and a passive radar antenna array are located on a three-axis gimbal mounted on the helicopter. An airborne radar angle tracking recei... | 01/20/1976 |
