Steering center indicator device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 31, 1999
Grant Date -
N/A
app pub date -
Mar 30, 1998
filing date -
Mar 30, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A shaft position indicator in which a collar is formed on and moves on in accordance with a shaft. The collar is placed opposite an optical sensor and includes a notch which activates an optical sensor when the notch is located opposite the sensor. When the notch is opposite the sensor, a driving circuit outputs a voltage. When the notch is not opposite the sensor, the driving circuit outputs 0 voltage. The light source and sensor are placed a distance from the collar equal to the focal length to substantially eliminate interference from ambient light.
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