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Your search returned 93 patents.
( 342/356 in Current US Classification ) |
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| 1 |
| Patent ID | Title | Date Filed |
| 4827421 | Telecommunications satellite system on quasi-stationary orbits
| March 11, 1987 |
| 4827268 | Beam-forming network
| August 14, 1986 |
| 4812991 | Method for precision dynamic differential positioning
| May 1, 1986 |
| 4801940 | Satellite seeking system for earth-station antennas for TVRO systems
| October 30, 1985 |
| 4796032 | Satellite broadcasting receiving system
| March 25, 1986 |
| 4763129 | SS-TDMA technique telecommunication satellite systems
| February 5, 1987 |
| 4751512 | Differential navigation system for remote mobile users
| January 21, 1986 |
| 4743909 | Method and apparatus for setting direction of a parabolic antenna relative to a communicating satellite
| September 4, 1987 |
| 4689625 | Satellite communications system and method therefor
| November 6, 1984 |
| 4675680 | Antenna tracking device
| June 12, 1985 |
| 4652884 | Satellite navigational system and method
| July 15, 1985 |
| 4651154 | Digital NAVSTAR receiver
| February 27, 1985 |
| 4646096 | Enhanced global positioning system Delta-Range processing
| October 5, 1984 |
| 4644358 | Stem orientation measurement apparatus
| June 23, 1983 |
| 4642647 | Signal generator for radio navigation system
| August 29, 1983 |
| 4630058 | Satellite communication system
| February 26, 1982 |
| 4567485 | Earth station transmission power control system for keeping an EIRP of down link signals constant irrespective of weather
| April 23, 1985 |
| 4503436 | Beam forming network
| December 10, 1982 |
| 4502051 | Telecommunication system with satellites positioned in geostationary positional loops
| February 11, 1982 |
| 4472720 | Area navigational system using geosynchronous satellites
| March 24, 1980 |
| 4455651 | Satellite communications system and apparatus
| October 20, 1980 |
| 4445118 | Navigation system and method
| May 22, 1981 |
| 4386355 | System for determining the location of an airborne vehicle to the earth using a satellite-base signal source
| March 31, 1980 |
| 4375697 | Satellite arrangement providing effective use of the geostationary orbit
| September 4, 1980 |
| 4360813 | Power combining antenna structure
| March 19, 1980 |
| 4253190 | Communications system using a mirror kept in outer space by electromagnetic radiation pressure
| April 10, 1979 |
| 4172257 | Ground station antenna for satellite communication systems
| July 14, 1977 |
| 3949400 | Position determination systems
| November 28, 1973 |
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