Apparatus and method for receiving position and control signals

Details Apparatus and method for receiving position and control signals Apparatus and method for receiving position and control signals

1998-04-20

1999-12-14

Tarcza, Thomas H.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

34235706, 34235709, 701215, G01S 502, H04B 7185

Patent

active

060023627

ABSTRACT:
A base station receives GPS signals from GPS satellites and transmits a combined differential GPS (DGPS) signal and a command signal. At least one pseudolite receives the DGPS and command signals and combines the DGPS and command signals with a pseudo-GPS signal. A GPS receiver on a mobile machine receives GPS signals from GPS satellites, and the combined signal from the pseudolite. The position signals are delivered to a machine position processor to generate a machine position signal. The command signals are delivered to a machine control processor to generate a machine control signal. The machine position signal and the machine control signal are delivered to a machine navigator to control the mobile machine.

REFERENCES:
patent: 5202829 (1993-04-01), Geir
patent: 5311194 (1994-05-01), Brown
patent: 5440491 (1995-08-01), Kawano et al.
patent: 5563786 (1996-10-01), Torii
patent: 5644318 (1997-07-01), Janky et al.
patent: 5702070 (1997-12-01), Waid
patent: 5781151 (1998-07-01), Stratton

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