Device for measuring rotational angle of rotary member

Details Device for measuring rotational angle of rotary member Device for measuring rotational angle of rotary member

1978-08-02

1981-04-14

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Displacement

324166, 324167, 324172, 324392, G01B 714, G01P 3487, G01P 3488

Patent

active

042622514

ABSTRACT:
A rotatable disk having a plurality of calibration segments and at least one marker along the peripheral portion thereof is provided while a stationary pick-up provided adjacent the disk for generating a first signal indicative of calibration segments and a second signal indicative of a reference position of the rotation of the disk. The frequency of the first signal is increased in order to accurately measure the rotational angle from the reference position.

REFERENCES:
patent: 3738331 (1973-06-01), Huntzinger et al.
patent: 3903857 (1975-09-01), Honig et al.
patent: 4024458 (1977-05-01), Templin
patent: 4053826 (1977-10-01), Wasawa
patent: 4072893 (1978-02-01), Huwyler

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