Direction detection for a vehicle

Details Direction detection for a vehicle Direction detection for a vehicle

1983-02-09

1985-11-26

Chin, Gary

Boots, shoes, and leggings

364449, 364559, 33356, 33361, G06F 1550, G01C 1728

Patent

active

045557616

ABSTRACT:
A device and method for detecting the running direction of an automotive vehicle includes terrestrial magnetic field direction detection, vehicle steering angle detection, and response to the signals of these detectors for producing the vehicle running direction signal. In a computer, or equivalent circuitry, occurrence of abnormalities of the terrestrial magnetic field is decided when the relationship between the change in the vehicle running direction and the change in the steering angle does not satisfy a predetermined requirement.

REFERENCES:
patent: 4367453 (1983-01-01), Kuno et al.
patent: 4402050 (1983-08-01), Tagami et al.
patent: 4413424 (1983-11-01), Sasaki et al.
patent: 4429469 (1984-02-01), Tsushima et al.

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