Stereo/monaural selecting circuit

Details Stereo/monaural selecting circuit Stereo/monaural selecting circuit

1981-04-24

1984-02-21

Hickey, R. J.

Electrical audio signal processing systems and devices

Binaural and stereophonic

179156R, 381 25, 381119, H04S 700

Patent

active

044332092

ABSTRACT:
The present invention is directed to a stereo/monaural selecting circuit having a jack for supplying therefrom for reproduction a stereophonic sound signal output or a monaural sound signal output to apparatus connected thereto, or for receiving for recording a stereophonic sound signal input or a monaural sound signal input from apparatus connected thereto. The jack can be used with either a binaural plug or a monaural plug inserted thereinto, which are attached to stereophonic apparatus or monaural apparatus, respectively, and the circuit selects automatically either a stereophonic operating state or a monaural operating state in response to the type of plug inserted into the jack. In the case where the circuit contains a speaker, the circuit supplies the monaural sound signal output to the speaker when no plug is inserted into the jack.

REFERENCES:
patent: 4046973 (1977-09-01), Sato
patent: 4151470 (1979-04-01), Sato
patent: 4219789 (1980-08-01), Frangos

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