Stereo headphone adapter

Wave transmission lines and networks – Coupling networks – With impedance matching

Patent

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Details

179 1R, 179 1PC, H03H 738

Patent

active

042197899

ABSTRACT:
An adapter is provided which permits the use of a stereo headset with a monaural radio receiver. The adapter is in the form in a self-contained unit having a plug and a jack, the plug being insertable in the jack of the radio receiver while the jack accommodates the plug of a stereo headset. A transformer is connected between the plug and the jack of the adapter and the jack includes interconnected spaced contacts to provide a monaural signal to both channels of the stereo headset.

REFERENCES:
patent: 3194887 (1965-07-01), Preston
patent: 3327253 (1967-06-01), Campbell
patent: 3436333 (1969-04-01), Beaudry
patent: 4097111 (1978-06-01), Martin

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