Neutral position detector for steering wheels having a first and

Details Neutral position detector for steering wheels having a first and Neutral position detector for steering wheels having a first and

1992-09-25

1993-09-07

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

36442405, 180 791, 25023116, G01D 534

Patent

active

052431886

ABSTRACT:
A neutral position detector detects the neutral position of a steering wheel, and includes a first rotor which rotates integrally with a steering shaft. The first rotor has a slot which is detectable for identifying the steering wheel position. The detector further includes a second rotor which is rotatable interlockingly with the first rotor. A power transmission mechanism is provided to cause the second rotor to rotate intermittently by a predetermined rotation angle, each time the first rotor completes one revolution. The second rotor has a slot for detecting the position of the steering wheel. When the slots of the first and second rotors become aligned, the detector outputs a detection signal indicative of the position of the steering wheel.

REFERENCES:
patent: 5032996 (1991-07-01), Shiraishi
patent: 5061848 (1991-10-01), Choi

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