Transducer shifting device

Details Transducer shifting device Transducer shifting device

1987-10-21

1989-05-23

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 555, G11B 2108

Patent

active

048335576

ABSTRACT:
A carriage shifting device of a recording or reproducing apparatus comprises a transducer which is arranged to perform a recording or reproducing operation on a disc-shaped recording medium, a carriage arranged to shift the transducer along the recording medium, a carriage shifting cam arranged to shift the carriage, a driving gear arranged to drive the cam, a resilient member arranged to exert an urging force between the driving gear and the cam, and a control member arranged to be driven together with the cam and to keep the urging force of the resilient member substantially constant.

REFERENCES:
patent: 4652952 (1987-03-01), Maeda
patent: 4652953 (1987-03-01), Sakurai et al.
patent: 4733315 (1988-03-01), Okuyama et al.
patent: 4747003 (1988-05-01), Tezuka
patent: 4750068 (1988-06-01), Akasaki et al.

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