Circuit for generating an audible signal in tape recorders at th

Details Circuit for generating an audible signal in tape recorders at th Circuit for generating an audible signal in tape recorders at th

1979-02-23

1981-08-18

Wolff, John H.

Dynamic magnetic information storage or retrieval

Miscellaneous

360 741, 360 747, 360 67, G11B 1506

Patent

active

042850215

ABSTRACT:
A circuit for generating an audible signal in a tape recorder as the tape approaches its end. The circuit includes an open loop extending between the recording amplifier and loudspeaker. The loop is closed by the metallic foil at the end of the tape when the foil bridges a pair of contacts. In the case where an exterior microphone is used with the recorder the speaker signal is electrically fed back to the amplifier.

REFERENCES:
patent: 3497635 (1970-02-01), Schneider
patent: 4148081 (1979-04-01), Satoh
patent: 4157575 (1979-06-01), Satoh et al.

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