Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 5703591 | Aircraft N-number control system An aircraft N-number control system includes a receiver for receiving aircraft identification information signals representing alphanumeric characters corresponding to an aircraft. A microprocessor operating in accordance with stored programming instructi... | 12/30/1997 |
| 5696514 | Location and velocity measurement system using atomic clocks in moving objects and receivers A coherent signal generated at a precise frequency determined by an atomic clock is transmitted by a moveable object. A receiver station compares the frequency of the coherent signal received from the moving object with a second coherent signal generated ... | 12/09/1997 |
| 5670961 | Airport surface traffic control system An airport surface traffic system is provided which detects targets moving on an airport surface and automatically adds ID codes thereby reduces the controlling duties of an air traffic controller and elevates safety of an aviation control. An airport sur... | 09/23/1997 |
| 5659319 | Method and apparatus for operating a surface detection surveillance radar using frequency agile pulse transmissions In accordance with the principles of the invention, a surveillance radar is provided with a rotating, frequency squinting, end-fed slotted array antenna, which is caused to transmit a plurality of different carrier frequency pulses for successively illumi... | 08/19/1997 |
| 5629691 | Airport surface monitoring and runway incursion warning system An airport runway incursion warning system for monitoring air and ground traffic at an airport. The system is optimally used with an aircraft that has an electronic tag or interrogation system that stores identification information regarding the aircraft,... | 05/13/1997 |
| 5574648 | Airport control/management system using GNSS-based methods and equipment for the control of surface and airborne traffic An improved airport control/management system for controlling and managing the surface and airborne movement of vehicular and aircraft within a defined and selected airport space envelope of an airport, the traffic, comprising apparatus for establishing a... | 11/12/1996 |
| 5557278 | Airport integrated hazard response apparatus An apparatus for monitoring the position of multiple objects in a space including a target supervisor, a location supervisor, and a hazard monitoring supervisor. The tracking supervisor receives target data from a sensor, characterizes and tracks selected... | 09/17/1996 |
| 5554990 | Airspace management system and method An airspace management system and method includes an alternate quick look mode display option which allows a user to designate a specific geographic region for display in a specified area on a display screen. Within this specified area, which can encompas... | 09/10/1996 |
| 5530440 | Airport surface aircraft locator A system for identifying the location of an aircraft on the surface of an airport includes a plurality of low power FM transmitters located along the boundaries of runway and taxiways. Each transmitter provides an FM signal having a common carrier frequen... | 06/25/1996 |
| 5508697 | Airplane detection system The present invention relates to an airplane detection system to surely detect an airplane moving along a runway or a taxiway. The system employs a wheel detection sensor for providing a wheel detected output when emitted electromagnetic waves are blocked... | 04/16/1996 |
| 5497157 | Method of monitoring an area, and a device for carrying out the method Monitoring an area with the aid of a frequency-modulated continuous-wave radar includes emitting a frequency-modulated continuous-wave transmitting signal with at least one transmitting antenna having a directional pattern whose main azimuthal direction d... | 03/05/1996 |
| 5495249 | Ground surveillance radar device, especially for airport use The surveillance radar device comprises, in combination, a fixed antenna for providing electronic scanning of space in bearing in the horizontal plane, a transmit source and microwave frequency transmit/receive means with a circulator, a transmit channel,... | 02/27/1996 |
| 5483241 | Precision location of aircraft using ranging A millimeter wave radar is placed on an aircraft and several radar targets are placed near a runway. The targets are discrete objects, each having a relatively localized radar cross section, a unique signature or a unique range bin, and a position which i... | 01/09/1996 |
| 5461384 | Method for montioring an area The invention relates to a method for monitoring an area by a plurality of economical radar systems. These systems operate with CW modulation at low transmission power and can therefore be fully realized in semiconductor technology. The area is divided in... | 10/24/1995 |
| 5459469 | Air traffic surveillance and communication system An air traffic surveillance and communication system for air traffic controllers, includes a plurality of ground based first radio transceivers located in specific geographic sectors, respectively, and having a first frequency channel for supporting party... | 10/17/1995 |
| 5448243 | System for locating a plurality of objects and obstructions and for detecting and determining the rolling status of moving objects, such as aircraft, ground vehicles, and the like In a system for locating a plurality of objects and obstructions and for detecting and determining the rolling status of moving objects, such as aircraft, ground vehicles, and the like, in the area of an airport, a short-range radar network is provided ha... | 09/05/1995 |
| 5434571 | Radar target simulator The radar target simulator serves for the training of air traffic controllers. It comprises a radar device (10) detecting the approach area of a runway, and a display device (17) for displaying the real targets detected by the radar device (10). The displ... | 07/18/1995 |
| 5400031 | Airport surface vehicle identification system and method An airport vehicle identification system for improving airport traffic management and collision avoidance, includes a ground surveillance radar and a plurality of low power frequency translators located in spaced relationship about the surface of the airp... | 03/21/1995 |
| 5381140 | Aircraft position monitoring system There is provided an aircraft position monitoring system for monitoring the position of aircraft in a ground station. An air-borne sub-system mounted in the aircraft acquires, automatically and periodically, monitor data including data on the aircraft pos... | 01/10/1995 |
| 5374932 | Airport surface surveillance system An airport surface traffic surveillance and automation system addresses a wide variety of airport surface conflict scenarios using a combination of runway-status lights, controller alerts, and enhanced controller displays. Runway-status lights, composed o... | 12/20/1994 |
| 5334982 | Airport surface vehicle identification An airport vehicle identification system includes a ground surveillance radar system which radiates both a conventional radar signal and a beacon interrogation signal. The radar receives i) a backscatter signal from the skin returns of a target and ii) an... | 08/02/1994 |
| 5300933 | Stick figure radar tracking process A process for reducing the likelihood of runway incursions wherein the major components of an aircraft are individually tracked by radar instead of tracking only the overall image of the aircraft to more accurately predict possible runway incursions due t... | 04/05/1994 |
| 5208591 | Track extension for use with ATCRBS surveillance procedures During ATCRBS surveillance procedures, a multiplicity of target aircraft are typically detected through target replies from interrogation signals. However, the nature of the target acquisition procedures are such that positive identification of the target... | 05/04/1993 |
| 5189425 | Method and apparatus for monitoring vehicular traffic A method and apparatus for monitoring moving vehicular traffic, especially adapted for the detailed profiling and counting of airport usage by aircraft employing Doppler radar and sound generated by target aircraft. A primary parabolic reflector operated ... | 02/23/1993 |
| 5173706 | Radar processor with range sidelobe reduction following doppler filtering A multipurpose system provides radar surveillance for air traffic control purposes. The system includes four separate active phased-array antennas, each with &#b1;45° coverage in azimuth, from 0° to 60° in elevation. Each antenna element of each phased... | 12/22/1992 |
| 5138321 | Method for distributed data association and multi-target tracking A technique is disclosed for multiple sensor tracking which distributes data association and filtering processing among multiple processing entities but coordinates the track estimates such that track states and covariances represent the equivalent of a c... | 08/11/1992 |
| 5111400 | Automatic integrated real-time flight crew information system An integrated real-time information dissemination system for aircraft within a predetermined range of an air traffic control facility (ATC), includes airborne components for receiving ground-disseminated data concerning dynamic conditions, such as air tra... | 05/05/1992 |
| 5107268 | Method of multipath track reduction in an aircraft tracking system In a Traffic Alert and Collision Avoidance System (TCAS), response to interrogations can result in normal, multipath (image), and mixed multipath (potential image) tracks. The method for reducing the number of false tracks includes the steps of selecting ... | 04/21/1992 |
| 5101207 | MLS-type landing system with centralized means of surveillance It describes a Microwave Landing System wherein. The means for surveillance of the transmissions from the various MLS stations are centralized in a single central station which then commands the various MLS stations. The connection between the central station ... | 03/31/1992 |
| 5097266 | MLS-type landing system with centralized microwave generation The system comprises a central station assuring the generation of the microwave signals which must be transmitted by the different stations of an MLS. The signals thus generated in a centralized way are distributed to the different stations via an optical... | 03/17/1992 |
| 5075680 | Method and apparatus for monitoring vehicular traffic A method and apparatus for monitoring moving vehicular traffic, especially adapted for the detailed profiling and counting of airport usage by aircraft employing Doppler radar and sound generated by target aircraft. A primary parabolic reflector operated ... | 12/24/1991 |
| 5073779 | Beacon data acquisition and display system A system for transmitting aircraft beacon information received by a secondary surveillance radar through telephone lines to a remote display includes a digitizer connected to the radar for preparing a serial file of data records containing position and id... | 12/17/1991 |
| 4890232 | Display aid for air traffic controllers The locations of aircraft on a first approach to a first runway are displayed on a line substantially parallel to a second approach to a second runway, the second runway converging with the first runway. The distances of aircraft on the first approach fro... | 12/26/1989 |
| 4872013 | Method and device for the slant range correction of a short-range radar The method consists mainly in re-creating, from an incoming radar recurrence (R, R'), a corrected recurrence (Rc, R'c) that has the same characteristics (notably the same sampling frequency and number of samples) but with the samples... | 10/03/1989 |
| 4856100 | Reply rate limiting Transponder reply rate limiting employing a circular memory queue to store the times of prior responses up to the limits of circular memory queue capacity. Separate circular memory queues contain the times of (1) long replies, and both (2) long or short r... | 08/08/1989 |
| 4516125 | Method and apparatus for monitoring vehicle ground movement in the vicinity of an airport The invention provides an apparatus for processing radar returned video signals in the vicinity of an airport including at least one runway and at least one vehicle roadway intersecting the runway, in order to assist air traffic controllers in detecting p... | 05/07/1985 |
| 4359733 | Satellite-based vehicle position determining system A system for determining the positions of a plurality of vehicles traveling on or above a defined sector of the earth's surface comprises a transponder carried by each vehicle for transmitting a uniquely coded beacon signal in response to a general interr... | 11/16/1982 |
| 4232313 | Tactical nagivation and communication system Method and apparatus are provided for the tactical nagivation and communiion of a community of aircraft. Each of the aircraft in the community is provided with an inertial navigation system capable of providing accurate short term navigational informatio... | 11/04/1980 |
| 4213126 | Airport surface detection equipment (ASDE) The invention relates to an ASDE radar to supply information on airport surface traffic. A well-known ASDE radar comprises an antenna having an elevation-depending gain factor ##EQU1## for ω1 ࣘω | 07/15/1980 |
