Telephone acoustic coupler base

Details Telephone acoustic coupler base Telephone acoustic coupler base

1982-09-30

1985-06-11

Gandy, James M.

Recording, communication, or information retrieval equipment

Computer, data processor equipment

D14 60

Patent

active

D02791846

REFERENCES:
patent: D206227 (1966-11-01), Cuccio et al.
patent: D212692 (1968-11-01), Plantholt
patent: D219345 (1970-01-01), Wolf
patent: D219453 (1970-12-01), Jahn et al.
patent: D220269 (1971-03-01), Jacobs et al.
patent: D222751 (1971-12-01), Rudin
patent: D224317 (1972-07-01), Marsalka et al.
patent: D265992 (1982-08-01), Hirata et al.
patent: 3878343 (1975-04-01), De Wall
patent: 4246444 (1981-01-01), Mason
patent: 4410759 (1983-10-01), Kessler
Siemens Data Phone (FIG. 1) p. 34 of Teleteknit (1979) (Engl. Edition) Denmark, No. 1, vol. 23.
"$60 Modem" article Radio Electronics article in magazine issue of Jul. 1981, p. 40-Acoustic Coupler Modem.
"PortaCom" PC8110 Communication Terminal Set; 4 page brochure by Stelma, Subsidiary of Data Products Corp. 1969.

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