Image scanner controller

Details Image scanner controller Image scanner controller

1987-05-12

1988-07-26

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358280, 358293, H04N 140

Patent

active

047604662

ABSTRACT:
A controller for controlling an image scanner which is used for reading an original document to generate video signals according to the content of the document. The image scanner controller comprises a plurality of image sensors for segmenting and reading lines on the document in a main scanning direction, at least two groups of line buffer memories for storing and subsequently reading the signals read by the image sensors, and a control circuit for writing segment data for one line into one line buffer memory while segment data of a previously read line is read out of another of the line buffer memories at a rate higher than the reading rate of the image sensors.

REFERENCES:
patent: 4465939 (1984-08-01), Tamura
patent: 4688098 (1987-08-01), Kon
patent: 4692812 (1987-09-01), Hirahara

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