Headphone

Details Headphone Headphone

1984-02-10

1989-05-09

Lev, Robert

Electrical audio signal processing systems and devices

Binaural and stereophonic

Hearing aid

381 74, H04R 500

Patent

active

048295710

ABSTRACT:
A stereo headphone having left and right headphone units which are connected to a binaural input plug that has left and right input cords respectively connected between the left and right headphone units and wherein the right and left input cords are connected together in parallel between the binaural input plug and a predetermined intermediate point and with a muting switching device mounted at the intermediate point so as to allow muting of both headphone units under selected conditions.

REFERENCES:
patent: 1973410 (1934-09-01), Greibach
patent: 2002504 (1935-05-01), Graham et al.
patent: 2574887 (1951-11-01), Pye
patent: 3474196 (1969-10-01), Bottos
patent: 3862379 (1975-01-01), Pless

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