Motor vehicles – Steering by driving – Independently operable drive motors
Patent
1974-04-17
1976-08-24
Wilbur, Maynard R.
Motor vehicles
Steering by driving
Independently operable drive motors
180 98, 318581, 343119, 343711, 343788, B62D 1102
Patent
active
039761517
ABSTRACT:
A self-propelled, battery powered vehicle adapted to carry golf clubs and the like and including means to automatically follow a golfer carrying a small transmitter as he walks about a golf course. The transmitter generates a signal pattern which magnetically couples the transmitter to a directional antenna system carried by the vehicle. An automatic guidance system in the vehicle provides signals which control the individual speeds of right and left wheel drive motors to affect steering and vehicle speed in response to the position and movement of the golfer's transmitter. The vehicle may be provided with a collapsible control arm which permits manual steering of the vehicle in lieu of the transmitter control.
REFERENCES:
patent: 3147817 (1964-09-01), Liban
patent: 3669208 (1972-06-01), Brooke
patent: 3720281 (1973-03-01), Frownfelter
Berger Richard E.
Citation Manufacturing Company, Inc.
Jacobson Harvey B.
O#Brien Clarence A.
Wilbur Maynard R.
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