Rotary encoder

Details Rotary encoder Rotary encoder

1988-01-07

1989-02-21

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

335272, G05B 106

Patent

active

048068373

ABSTRACT:
Disclosed is here a rotary encoder having a recording medium including positional information arranged in a circumferential direction, sensors disposed opposing the positional information, and a driving shaft linked with a central position of the recording medium for detecting, based on a change in outputs from the sensors, the positional information of the recording medium rotated by means of the driving shaft. A link body is formed by achieving a bending work on an elastic plate such that bent lines of the elastic plate form a rectangular shape and that there are formed two pairs of opposing bent leg pieces, one of the two pairs of the opposing bent leg pieces is fixedly secured on the recording medium and the other one thereof is fixedly secured on a coupling body disposed in the proximity of the recording medium, and the driving shaft is inserted into and fixed on a shaft inserting hole formed in the coupling body.

REFERENCES:
patent: 4328450 (1982-05-01), Gabor
patent: 4600871 (1986-07-01), Idogaki et al.
patent: 4737698 (1988-04-01), McMullin et al.

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