Vehicle guidance systems

Details Vehicle guidance systems Vehicle guidance systems

1976-08-03

1978-03-21

Goodman, Philip

Motor vehicles

Bodies

Footboards and pedal guards

318587, 318607, B62D 128

Patent

active

040798011

ABSTRACT:
A vehicle guidance system is described in which vehicles are steered in accordance with signals picked up from a leader conductor positioned along a route. By passing two signals at different frequencies along the leader conductor and having two receivers on each vehicle, each sensitive to one of the frequencies only, interfering signals from currents induced in other conductors along the route, such as reinforcing bars in concrete roads or structures are substantially eliminated. Ways of combining the signals from the receivers to provide interference free steering control signals are described.

REFERENCES:
patent: 3039554 (1962-06-01), Hosking
patent: 3482644 (1969-12-01), Krieger
patent: 3669207 (1972-06-01), Fellgett
patent: 3696882 (1972-10-01), Martin

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