Teleconferencing microphone

Details Teleconferencing microphone Teleconferencing microphone

1983-12-08

1986-05-20

Burke, Wallace R.

Recording, communication, or information retrieval equipment

Computer, data processor equipment

D14 52, D14 12, D14 57, D14 95

Patent

active

D02838915

REFERENCES:
patent: D69755 (1926-03-01), Hawley
patent: D72559 (1927-05-01), MacDow
patent: D220629 (1971-05-01), Shimizu
patent: D230608 (1974-03-01), Winston
patent: D259786 (1981-07-01), Leeson et al.
patent: D271970 (1983-12-01), Velsher et al.
patent: D277853 (1985-03-01), Thomas
patent: 4419770 (1983-12-01), Yagi et al.
Telesis (Feb. 1977) vol. 5, No. 1: Article re Audio Teleconferencing Telephone; pp. 16-21; Photo of Cylindrical Telephone Instrument p. 17.
Astatic model 1070 Spectrum, Vertically Oriented Cardioid Dynamic Microphone.
Shure "Smart MIC System".
Teletek Conferencer.

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