Pickup device for disc player

Details Pickup device for disc player Pickup device for disc player

1982-05-19

1984-07-17

Stephan, Steven L.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Having power driven transducer assembly

369221, G11B 310

Patent

active

044609914

ABSTRACT:
A pickup device for a disc player includes a pickup arm pivotally mounted at one end thereof for movement between upper and lower positions. The pickup arm is horizontally movable about the one end thereof. A drive device is responsive to a driving signal from a control circuit to drive an arm lifter for moving the pickup arm between its upper and lower positions. A brake device is also responsive to the driving signal for holding the pickup arm against the horizontal angular movement during its vertical movement.

REFERENCES:
patent: 3503615 (1970-03-01), Matsuda
patent: 3675932 (1972-07-01), Rabinow
patent: 4083565 (1978-04-01), Iyeta

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