Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1987-02-13
1989-01-24
Britton, Howard W.
Facsimile and static presentation processing
Facsimile
Recording apparatus
379100, H04N 132
Patent
active
048004391
ABSTRACT:
A data communication apparatus includes a device for performing data communication in a data communication mode, a device for performing speech communication in a speech communication mode, a detector for detecting a signal from a calling station indicating that the calling station is in a data communication mode, and a controller for switching, during speech communication in the speech communication mode, the data communication apparatus from the speech communication mode to the data communication mode in response to the detecting of the signal by the detector.
REFERENCES:
patent: 4485400 (1984-11-01), Lemelson
patent: 4567322 (1986-01-01), Tsuda
patent: 4654718 (1987-03-01), Sueyoshi
Britton Howard W.
Canon Kabushiki Kaisha
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