Dual connection mode equipped communication control apparatus

Details Dual connection mode equipped communication control apparatus Dual connection mode equipped communication control apparatus

1988-03-23

1989-06-06

Britton, Howard W.

Telephonic communications

Telephone line or system combined with diverse electrical...

Having transmission of a digital message signal over a...

358257, 379100, H04N 132, H04M 1100, G06F 1300

Patent

active

048378127

ABSTRACT:
A facsimile machine including a data processing system for processing data to be transmitted and received data according to a predetermined manner, which system typically comprises a MODEM, a buffer and a CODEC. The facsimile machine includes two or more interface units dedicated for performing a wire communication function for communicating image data in a wire communication mode using a telephone network and a radio communication function for communicating image data in a radio or wireless communication mode using radio waves. The radio/wire switchable facsimile machine includes a switch which switchingly establishes the wire mode or the radio mode. In one embodiment, the switch is manually operated. In a second embodiment the switch automatically establishes either one of the wire and radio modes in accordance with the current status of a predetermined signal, typically an off-hook signal, which indicates whether the handset of a telephone unit is hooked or unhooked or whether the microphone of a radio set is hooked or unhooked.

REFERENCES:
patent: 2248887 (1941-07-01), Milnor
patent: 4185166 (1980-01-01), Kinch
patent: 4432090 (1984-02-01), da Silua
patent: 4454593 (1984-06-01), Fleming
patent: 4463417 (1984-07-01), Bushaw
patent: 4485400 (1984-12-01), Lemelson
patent: 4567322 (1986-01-01), Tsuda
patent: 4661659 (1987-04-01), Nishimura
patent: 4667252 (1987-05-01), Nakamura
patent: 4746986 (1988-05-01), Tanigawa

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