Image recording apparatus with a memory means to store image dat

Details Image recording apparatus with a memory means to store image dat Image recording apparatus with a memory means to store image dat

1997-03-07

1999-05-04

Coles, Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

395115, 358404, 358444, 358468, B41B 1500, H04N 140

Patent

active

059012781

ABSTRACT:
A copier for recording images of plural documents on recording sheets. The copier includes: a scanner for reading the images of the documents by photoelectrically converting the images so as to obtain image data corresponding to the images; a document feeder for sequentially feeding the documents to the scanner; a memory for storing the image data, including plural data compression/expansion circuits for compressing and expanding the image data, a selector for selecting one of the plural data compression/expansion circuits, and a memory member for storing the image data compressed by the selected one of the plural data compression/expansion circuits; a printer for forming images, corresponding to the selected image data from the memory, on the recording sheets; and a controller circuit for generating memory data overflow signals when a remaining area of the memory member is not more than a predetermined value. The controller also controls the document feeder, the scanner, and the memory in response to the memory data overflow signals so that the scanner stops reading the images, the memory changes a compression ratio of the image data to a higher ratio, the document feeder feeds back the documents to an original order, and reads the documents from a first one.

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