Tape recorder with a voice signal responsive circuit

Details Tape recorder with a voice signal responsive circuit Tape recorder with a voice signal responsive circuit

1982-05-24

1983-11-01

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

360 741, 369 50, G11B 1502, G11B 1902

Patent

active

044132905

ABSTRACT:
In the disclosed tape recorder, an auto-off circuit detects whether tape is being advanced and produces a stop signal when the tape has reached its end. A switching arrangement responds to the stop signal to turn off the recording apparatus including the motor. A voice signal responsive circuit produces a go signal which causes the switching arrangement to turn on the recording apparatus in response to a voice signal and causes the switching arrangement to turn the apparatus off in the absence of a voice signal. A selector arrangement switches the switching arrangement so it operates either in response to the auto-off circuit or in response to the voice signal responsive circuit.

REFERENCES:
patent: 3433897 (1969-03-01), Munson
patent: 3647985 (1972-03-01), Langendorf et al.
patent: 4000517 (1976-12-01), Brickerd, Jr.
patent: 4120009 (1978-10-01), Iwasawa
patent: 4130739 (1978-12-01), Patten
patent: 4156797 (1979-05-01), Hoole

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