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"There is practically no chance communications space satellites will be used to provide better telephone, telegraph, television, or radio service inside the United States."
T. Craven, FCC Commissioner ; 1961
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| Number | Title | Issue Date |
| 7268724 | Reduced-error monopulse processor This monopulse processor provides target position information having an RMS error which is less than that of a conventional monopulse processor. A Σ±jΔ vs. Σ processor is modified to provide a position output signal equal to the smaller in absolute magnitude of ... | 09/11/2007 |
| 7161525 | Turbulence display presentation A method of displaying areas of turbulent weather is disclosed. Data is processed representative of weather conditions within a predefined area. Weather conditions are displayed on a display. Turbulence is detected within the predefined area. A level of the detected... | 01/09/2007 |
| 7109913 | Airborne weather radar system and radar display An airborne weather radar system that detects potentially hazardous weather conditions associated with storms and includes a radar display featuring visual indications of these conditions. The radar display includes a vertical situation display having iconal represe... | 09/19/2006 |
| 7041961 | Device for measurement of rotational angle of two components relative to each other A device for measuring the rotational angle of two components that can be rotated relative to each other has a shaft that can be securely coupled to the first component, and coaxially houses a light source and a materialized measure through which the light source sh... | 05/09/2006 |
| 6469660 | Method and system for displaying target icons correlated to target data integrity A method is provided for determining the integrity of incoming target data and for assigning and displaying a target icon correlated to the target data integrity. Target data integrity depends on the both accuracy and the timeliness of the position data b... | 10/22/2002 |
| 6198428 | Three-dimensionally designed display radar A three-dimensionally designed display radar in which a two-dimensional image data and three-dimensionally designed image data are depicted in combination in a video memory by the aid of an image controller, and they are simultaneously depicted on a scree... | 03/06/2001 |
| 6087982 | Radar scan converter and method of mixing image A radar scan converter and method of mixing image. By inserting a radar scan converter (RSC) card in a personal computer, an input video such as a radar video or supersonic video can be mixed on a screen of the personal computer without deteriorating the ... | 07/11/2000 |
| 6009373 | Ship track and underwater conditions indicating system A ship track and underwater conditions indicating system for displaying a ship track and the underwater conditions under the ship track at the same time on the screen of an indicator, and for associating the two resultant pictures with each other. The shi... | 12/28/1999 |
| 5844520 | Surveillance apparatus In an infra-red surveillance system, a digital memory (1) has a storage location for each of a number of zones, defined by azimuth and elevation co-ordinates, the zones together covering 360° in azimuth and 20°, for example, in elevation. In each locati... | 12/01/1998 |
| 5574460 | Manual probe acquisition system A probe acquisition and display system is disclosed featuring one simple trol for acquiring, tracking, and instantaneously locking for a missile control radar. The system provides for fast initial target acquisition and re-acquisition in the presence of ... | 11/12/1996 |
| 5426436 | Radar apparatus A marine radar has a screen on which is displayed a radar image and several representations of the different control functions of the radar such as range, gain and sea clutter setting. The radar also has a key pad with three keys and a tracker ball that i... | 06/20/1995 |
| 5268690 | Radar system Herein disclosed is a radar system having a function for setting a watch alarm region, which function has been improved in operability. A region displayed in a display part surrounding the radar system is divided by two border lines. One region, for examp... | 12/07/1993 |
| 5179385 | Visual navigation aid with point of interest feature A navigation aid is provided comprising a radar antenna, a position sensor, a compass, map/chart data, a display, and a controller. The controller determines whether the display depicts a chart, a radar sweep or both. Preferably, the visual navigation aid... | 01/12/1993 |
| 4546354 | Range/azimuth ship imaging for ordnance control Distortions inherent in the formation of a range/doppler image by an airborne Synthetic Aperture Radar (SAR) of a ship under the influence of roll, pitch, and yaw motions characteristic of a sea state conditions, are removed by the formation of a scaled r... | 10/08/1985 |
| 4392137 | Radar system A radar system for continuously displaying target returns on a conventional television receiver. The radar includes a console connected to a rotating scanner unit through conventional slip rings. The scanner unit contains a radar antenna coupled to a rece... | 07/05/1983 |
| 4387374 | Range mark position control employing optical encoding An optical encoder device for use with a variable range mark display. An operator rotatable cylindrically shaped encoder wheel with longitudinal slits is panel mounted. Two light-emitting diodes are positioned outside the wheel opposite two phototransisto... | 06/07/1983 |
| 4301452 | Station watch alarm system A system which cooperates with a conventional radar system produces an alarm upon departure of a reference target from a predetermined area relative to a vessel as an indication of vessel drift from anchor or assigned station by the use of a variable rang... | 11/17/1981 |
| 4281326 | Automatic collision warning target display system A warning system that operates with an existing radar system to display on the scope thereof a first pair of traces of adjustable maximum and minimum range defining an early warning collision range, provides a bearing trace through a radar-detected object... | 07/28/1981 |
| 4249175 | Electronic symbology generation for radar plan position indicator (PPI) displays using rotating coils This invention enables the generation of electronic symbology for display on the face of cathode ray tubes employing rotating coils. Offset centering and sweep disabling are employed to permit symbology display for representing target location in range an... | 02/03/1981 |
| 4224621 | PPI Display for radar and synthetic symbology A complete frame of radar data is stored in radar real time addressed in accordance with antenna azimuth. The PPI rotating display scan is generated by deflecting the beam along the azimuth sweeps thereof under control of X-rate and Y-rate signals provide... | 09/23/1980 |
| 4211982 | Control circuits A control circuit enables range and bearing markers on a p.p.i. radar display to be moved quickly and accurately. The control circuit has an input terminal receiving control pulses whose frequency of occurrence is manually selected, an output terminal for... | 07/08/1980 |
| 4198631 | Apparatus for displaying VHF-direction finder data on a radar PPI The apparatus generates a train of pulse signals in real time which are fed to a Plan Position Indicator radar display video bright-up circuit. A line is formed on the display at a bearing θR , the direction of a VHF/DF fix, and passes through... | 04/15/1980 |
| 4155085 | Navigational aid For use with a ship's radar having a plan position indicator display, a navigational aid providing a selected output signal for the radar for displaying two selected pairs of a plurality of stored pairs of parallel left and right selected navigational gui... | 05/15/1979 |
| 4128834 | Range mark generation In a digital weather radar display, of the type which displays information on a cathode ray tube in the form of parallel intensity modulated sweep lines and which displays range marks in the form of a plurality of arcs of concentric circles, the positions... | 12/05/1978 |
| 4126858 | Display range marker A variable range marker device for use with a PPI radar with digitized video displayed in non-real time. The position of the range marker is initially operator determined by rotation of a knob mechanically linked to an optically encoded disc. Optical sens... | 11/21/1978 |
| 4125834 | Display range marker processor A variable range marker processing device for use with a PPI radar with digitized video displayed in non-real time. The position of the range marker is initially operator determined by rotation of a knob mechanically linked to an optically encoded disc. O... | 11/14/1978 |
| 4077037 | Variable range marker A variable range marker device for use with a PPI radar with digitized video displayed in non-real time. The position of the range marker is initially operator determined by rotation of a knob mechanically linked to an optically encoded disc. Optical sens... | 02/28/1978 |
| 4053881 | Mobile radar apparatus A device for a mobile radar apparatus connected to a gyro compass for indicating the true course on a radar screen, where pulses from the radar and the gyro are counted, and upon a pulse signal representing the straight-ahead-position of the radar antenna... | 10/11/1977 |
| 4001826 | Range-gated moving target signal processor A range-gated doppler processor, adapted for cooperation with a non-coherent receiver of a pulsed energy system and comprising a plurality of switched R-C signal-storage (integrating) networks, each switched-on for a preselected interval corresponding to ... | 01/04/1977 |
| 3971018 | Marine traffic conflict assessment system The invention is a radar harbor surveillance sensor, computer, and display system for providing a graphic display of vessels negotiating confined navigation channels and permitting rapid and accurate assessment of the degree of hazard or safety in the mov... | 07/20/1976 |
