Picture pickup target and reading device assembly

Details Picture pickup target and reading device assembly Picture pickup target and reading device assembly

1979-03-21

1981-04-21

Murray, Richard

Facsimile and static presentation processing

Facsimile

Recording apparatus

H04N 314

Patent

active

042636205

ABSTRACT:
Device for reading a picture pickup target and assembly constituted by the target and such a reading device.
The target I takes the form of a matrix of detectors placed at the points of intersection of lines and rectangular columns. The reading device II comprises one input per line and for each line: (1) a channel A connected to said input wherein the signals of the points of the line are transferred in series and at the same time for all the columns in the line reading time t.sub.1 ; (2) a storage channel B into which the signals of channel A are transferred in parallel and stored; (3) an evacuation channel C into which the signals from channel B are transferred in parallel and from which they are transferred to a reading register with a single input, to an amplifier therefrom and to the reading apparatus. Storage in B enables the signals to be processed, in particular integrated throughout the time comprised between t.sub.1 and the register evacuation time.

REFERENCES:
patent: 3931463 (1976-01-01), Levine
patent: 4127877 (1978-11-01), Morishita et al.
patent: 4153915 (1979-05-01), McKechnie

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