Mechanical drive mechanism for the record/playback head and pinc

Details Mechanical drive mechanism for the record/playback head and pinc Mechanical drive mechanism for the record/playback head and pinc

1985-05-28

1986-12-16

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360137, 74435, G11B 554, G11B 2122, F16H 5517

Patent

active

046301526

ABSTRACT:
A control mechanism having particular, but not exclusive application to a cassette-type of telephone answering machine by which the movement of the record/playback head and pinch roller associated with each cassette of the machine, and the engagement of the drive for the take-up and rewind spindles of each cassette, are achieved by the rotational energy of the drive motor of the machine, rather than by high power electromagnetic solenoids; and in which only small, low power electromagnets are required for latching and unlatching the motor driven control mechanism.

REFERENCES:
patent: 4003267 (1977-01-01), Busch
patent: 4347919 (1982-09-01), Maeda
patent: 4358804 (1982-11-01), Uehara
patent: 4571459 (1986-02-01), Yata

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