Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1980-04-24
1982-07-06
Dixon, Harold A.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307225R, 360 722, H03K 2100, H03K 513
Patent
active
043385290
ABSTRACT:
A cue signal generating circuit for a tape recorder in which an audio signal and a cue signal of a lower frequency than that of the audio signal are simultaneously wherein only the cue signal is reproduced in the high speed travel of a tape to detect a recording position of the audio signal, comprises a pulse generator, a flip-flop which is normally reset and is set in response to the close of an operating means, a NAND gate which allows the output pulse signal from the pulse generator to pass therethrough in response to the set output signal from the flip-flop, a counter which counts the output signal from the NAND gate and when the count thereof reaches a prescribed value, applies an output signal to the reset terminal of the flip-flop, and a wave-shaping circuit for wave-shaping the output signal from the NAND gate and applies the wave-shaped signal to a recording head of the tape recorder.
REFERENCES:
patent: Re26079 (1966-09-01), Cooper
patent: 2396409 (1946-03-01), Berzer
patent: 2861201 (1958-11-01), Yarborough
patent: 2888557 (1959-05-01), Schneider
patent: 3993957 (1976-11-01), Davenport
Dixon Harold A.
Olympus Optical Co,. Ltd.
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