Electro-acoustical structure

Details Electro-acoustical structure Electro-acoustical structure

1981-07-06

1983-07-26

Rubinson, G. Z.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

179 1PC, 179 1VE, 179 1ST, 181137, H04R 110

Patent

active

043955894

ABSTRACT:
An electro-acoustical structure for switching on and supplying sound to an all-acoustical headset upon the insertion of an acoustic-use plug. A piston-valve is depressed against a spring upon the insertion of the plug, opening acoustic ports, and also moving a bifurcated contact attached to the piston to close a circuit with coactive stationary contacts for energizing an electro-acoustic transducer.

REFERENCES:
patent: 3450839 (1969-06-01), Scanlon
patent: 3463886 (1969-08-01), Scanlon
patent: 3610830 (1969-10-01), Daleiden
patent: 4028491 (1977-06-01), Huntress et al.

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