Apparatus for sensing rotation having an encoder biased towards

Details Apparatus for sensing rotation having an encoder biased towards Apparatus for sensing rotation having an encoder biased towards

1990-10-31

1992-10-20

Snow, Walter E.

Electricity: measuring and testing

Magnetic

Displacement

3242072, 32420721, 32420722, G01B 714

Patent

active

051573296

ABSTRACT:
An apparatus for sensing rotation of a rotary member comprising a fixed sensor, the sensor being stationary relative to the rotary member. An encoder rotates with the rotary member and is disposed adjacent the sensor. A biasing member for biasing the encoder is in close proximity into the sensor. The sensor may be a Hall effect sensor or a magnetic resistive sensor. The biasing member may be a well known biasing device such as a spring washer, a magnetic device, a hydraulic or pneumatic device.

REFERENCES:
patent: 3716121 (1973-02-01), Frigger
patent: 3745392 (1973-07-01), Phoenix et al.

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