Disc record player

Details Disc record player Disc record player

1978-06-14

1980-01-29

Stephan, Steven L.

Undertaking

310 12, G11B 310, H02K 4100

Patent

active

041858360

ABSTRACT:
A disc record player including a pick up arm, a linear type electric actuating motor for effecting tangential tracking of the pick up arm and feed back means for providing a motor control feed back signal representative of at least one of velocity and acceleration of the pick up arm.

REFERENCES:
patent: 3212074 (1965-10-01), Daniels et al.
patent: 3688035 (1972-08-01), Cless
patent: 3830505 (1974-08-01), Rabinow
patent: 3899699 (1975-08-01), Griffing
patent: 4046386 (1977-09-01), Gosling
patent: 4076257 (1978-02-01), Ireta
patent: 4124216 (1978-11-01), Sorensen
Japanese Open Utility Model Bulletin #49-35202, opened Mar. 28, 1974.

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