Transducer adjustment apparatus for shaft encoder

Details Transducer adjustment apparatus for shaft encoder Transducer adjustment apparatus for shaft encoder

1988-10-24

1989-09-26

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250237G, G01D 534

Patent

active

048702722

ABSTRACT:
Apparatus for adjustably positioning a supported transducer in sensing relation with recorded indicia on a shaft encoder in which a first frame portion is fixed and a second movable portion carrying the transducer is attached to the frame portion through a flexure means with the flexure means being on the opposite side of the shaft from the transducer and the movement of the transducer and path of indicia being at the same radius from the center of said shaft substantially decreasing the number of components formerly used, which enables highly accurate adjustments and lends itself to fabrication by molding.

REFERENCES:
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patent: 3894232 (1975-07-01), Laspesa
patent: 3936882 (1978-02-01), Lane, III
patent: 3963351 (1976-06-01), Chance et al.
patent: 4031441 (1977-06-01), Garrett
patent: 4033833 (1977-07-01), Zinsmeyer et al.
patent: 4289962 (1981-09-01), Polloch et al.
patent: 4340919 (1982-07-01), Kato
patent: 4476457 (1984-10-01), Kondo
patent: 4625109 (1986-11-01), Nixon
patent: 4647769 (1987-03-01), Stone et al.
patent: 4703176 (1987-10-01), Hahn et al.
IBM TDB, vol. 21, No. 4, Sep. 78 P. 1531, Leadscrew Emitter Phase Adjustment Mechanism R. B. Shuman.

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