| Patents for G01S 19 - Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems (34,425) |
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| 07/13/1976 | US3969616 Digital range computer systems for air navigation systems such as tacan |
| 07/06/1976 | US3968495 Instrument landing system |
| 06/29/1976 | US3967278 Low cost microwave receiver for ILS |
| 06/22/1976 | US3965443 Electronic modulator for guidance systems |
| 06/22/1976 | US3965425 Electromagnetic radiation source locator |
| 06/15/1976 | US3964067 Glide path signal transmission system |
| 05/18/1976 | US3958244 Transmitter output monitor |
| 05/18/1976 | US3958183 Frequency selective signal presence detector |
| 05/04/1976 | US3955198 Radar RF generator including a stable local oscillator and an exciter circuit |
| 04/27/1976 | US3953856 Method and apparatus for mapping and similar applications |
| 04/27/1976 | US3953802 Adjacent channel rejector |
| 04/06/1976 | USRE28762 Radio navigational aid with separate standard frequency signal |
| 04/06/1976 | US3949400 Position determination systems |
| 03/30/1976 | US3947849 Loran receiver-navigator |
| 03/30/1976 | US3947809 Below glide slope advisory warning system for aircraft |
| 03/30/1976 | US3947807 Vehicle location systems |
| 03/30/1976 | US3947741 Boat guidance system |
| 03/02/1976 | US3941984 Satellite radio ranging velocity navigation |
| 03/02/1976 | US3941983 OMEGA-VOR/DME positional data computer for aircraft |
| 02/24/1976 | US3940630 Vehicle locator |
| 02/17/1976 | US3939472 Coded navigation system |
| 02/10/1976 | US3938155 High stability modulator for instrument landing systems |
| 02/03/1976 | US3936828 VLF navigation system |
| 02/03/1976 | US3936827 Secure hyperbolic guidance using noise signals and correlation detection |
| 01/20/1976 | US3934222 Terrain closure warning system with climb inhibit and altitude gain measurement |