Apparatus and method for detecting neutral steering angle of ste

Details Apparatus and method for detecting neutral steering angle of ste Apparatus and method for detecting neutral steering angle of ste

1989-09-18

1991-07-16

Chin, Gary

Boots, shoes, and leggings

180 791, 180140, B62D 600

Patent

active

050329960

ABSTRACT:
An apparatus and - method for detecting a neutral steering angle of a steering wheel of a vehicle through which the vehicle runs straight in which when a neutral proximity signal is outputted which indicates that a steering angle of the steering wheel falls in a predetermined angular range placed in a proximity to the neutral steering angle, a deviation quantity (angle value) between the steering angle received from a steering angle sensor at a time when the neutral proximity signal is outputted and neutral steering angle is derived, updated, and stored as a final value irrespective of an on and off position of a vehicular ignition switch. In addition, when the neutral proximity steering angle is received at a first time when the ignition switch has been turned on, the neutral steering angle is reproduced from the steering angle at that time and the final value of the deviation quantity.

REFERENCES:
patent: 4794536 (1988-12-01), Eto et al.
patent: 4803629 (1989-02-01), Noto et al.
patent: 4869335 (1989-09-01), Takahashi

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