Facsimile receiver signalling

Details Facsimile receiver signalling Facsimile receiver signalling

1978-03-13

1981-01-06

Martin, John C.

Facsimile and static presentation processing

Facsimile

Recording apparatus

H04N 132, H04N 134

Patent

active

042440076

ABSTRACT:
The receiver of a facsimile system includes a modulator for generating a signal for transmission to a remote transmitting location to identify a characteristic of the receiver. The signal from the receiver varies between a first frequency which is contiguous with and immediately precedes a second frequency. By utilizing different first frequencies to characterize different types of receivers, the transmitter at the remote location is able to identify the type of receiver including, for example, the demodulating capabilities of the receiver.

REFERENCES:
patent: 4000371 (1976-12-01), Ogawa

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