Transmitter for communication equipment

Details Transmitter for communication equipment Transmitter for communication equipment

1990-02-05

1992-09-01

Dwyer, James L.

Telephonic communications

Terminal

Housing or housing component

379428, 379437, 381169, 381157, H04M 100, H04R 2500

Patent

active

051446561

ABSTRACT:
A transmitter for communication equipment, including a casing with a speaker piece. The speaker piece is provided with a plurality of outer microphone through holes. An air chamber housing is arranged on an inner surface of the speaker piece and includes an air chamber communicating to the outer microphone holes. The air chamber housing has an inner microphone hole formed through it to open at an upper surface thereof. A microphone holder is integrally formed with the upper surface of the air chamber housing to communicate to the inner microphone hole. The microphone holder is adapted to receive a condenser microphone. A jack is integrally erected on the upper surface of the air chamber housing.

REFERENCES:
patent: 4263484 (1981-04-01), Hisatsune et al.
patent: 4776009 (1988-10-01), Gumb et al.
patent: 4803724 (1989-02-01), Utoh et al.

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