| Patents for G01S 1 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith (15,825) |
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| 03/30/1976 | US3947807 Vehicle location systems |
| 03/30/1976 | US3947741 Boat guidance system |
| 03/23/1976 | US3946387 Method and apparatus for adjustment of modulation course patterns in a navigational system |
| 03/23/1976 | US3946386 Navigation receiver with doppler filter gating |
| 03/23/1976 | US3946385 Interferometric navigation and guidance system |
| 03/23/1976 | US3946323 Digital circuit for generating output pulses synchronized in time to zero crossings of incoming waveforms |
| 03/23/1976 | US3946320 Signal processor for doppler type navigation system |
| 03/09/1976 | US3943518 Doppler ILS receiver with beat signal scan synchronization |
| 03/02/1976 | US3941984 Satellite radio ranging velocity navigation |
| 03/02/1976 | US3941983 OMEGA-VOR/DME positional data computer for aircraft |
| 02/24/1976 | US3940763 Digital tacan system |
| 02/24/1976 | US3940630 Vehicle locator |
| 02/17/1976 | US3939472 Coded navigation system |
| 02/17/1976 | US3939468 Differential charge amplifier for marine seismic applications |
| 02/17/1976 | US3939391 Apparatus for charging a hermetically sealed electrical energy source |
| 02/10/1976 | US3938155 High stability modulator for instrument landing systems |
| 02/03/1976 | US3936830 Doppler navigation system with tracking filter for multipath discrimination |
| 02/03/1976 | US3936829 Method of radio navigation |
| 02/03/1976 | US3936828 VLF navigation system |
| 02/03/1976 | US3936827 Secure hyperbolic guidance using noise signals and correlation detection |
| 02/03/1976 | US3936763 Null input OMEGA tracking filter system |
| 02/03/1976 | US3935645 Apparatus for indicating relative azimuth |
| 01/27/1976 | US3935576 Broadband beacon antenna system |
| 01/20/1976 | US3934254 Reliable cycle selection in LORAN-C system |
| 01/06/1976 | US3931624 Antenna array for aircraft guidance system |