Pressure sensitive signal device for vehicle brake pedal
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United States of America Patent
Stats
-
Jun 8, 1993
Issued Date -
N/A
app pub date -
Jul 30, 1990
filing date -
Jul 6, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A brake pedal actuation sensor includes an optical coupler. In a preferred embodiment: the optical sensor is carried by a housing; a shutter is provided to interrupt the optical coupling according to the distance between the housing and a bearing; the shutter is carried by the bearing; and the distance between the housing and the bearing is dependent upon the force applied to the brake. Additionally, a circuit responsive to an output of the optical coupler is provided for generating an electrical output signal indicating brake pedal actuation.
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