Facsimile signal superposing system

Details Facsimile signal superposing system Facsimile signal superposing system

1979-07-10

1981-03-10

Bookbinder, Marc E.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358183, H04N 132, H04N 322

Patent

active

042557666

ABSTRACT:
A facsimile signal superposing system for an analog type modulated facsimile signal has been found. The present superposing system has a digital memory storing the pattern to be superposed, and the insertion circuit which has a first input terminal for receiving the original facsimile pattern, a second input terminal for receiving the output of said digital memory, and an output terminal providing the sum of the first and the second input terminal signals. The cells of the digital memory are read one after another substantially synchronized with the original picture signal, thus, a superposed facsimile signal is obtained at said output terminal. The additional pattern to be superposed is, for instance, the date of the facsimile transmission.

REFERENCES:
patent: 3465097 (1969-09-01), Bradon et al.
patent: 3532806 (1970-10-01), Wicklund
patent: 3617630 (1971-11-01), Reiffel
patent: 3891792 (1975-06-01), Kimura

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