Magnetic-tape-cassette apparatus with impulse reset to the rest

Details Magnetic-tape-cassette apparatus with impulse reset to the rest Magnetic-tape-cassette apparatus with impulse reset to the rest

1985-08-27

1987-03-10

Cardillo, Raymond F.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

360105, G11B 1510, G11B 1518

Patent

active

046494405

ABSTRACT:
In a magnetic-tape-cassette apparatus comprising a servo device for actuating at least one apparatus part, if the apparatus is in the "play" mode and the power supply fails, the apparatus part is returned to its rest position. A switch detects the position of the apparatus part, and a second circuit having an input coupled to an output of the first means and having an output coupled to the impulse relay supplies a brief electric energizing signal to an impulse relay at the instant in which the power supply to the servo device is cut off if the apparatus part is in its operating position. The switch ensures that no energizing signal is supplied at the instant at which the power supply is cut off if the apparatus is in the rest position.

REFERENCES:
patent: 4071861 (1978-01-01), Hirose
patent: 4336560 (1982-06-01), Matsumoto
patent: 4568989 (1986-02-01), Ohhara et al.

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