Image reading apparatus

Details Image reading apparatus Image reading apparatus

1989-11-17

1992-07-07

Ng, Jin F.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358453, 358462, H04N 140

Patent

active

051287773

ABSTRACT:
An image reading apparatus for reading image formed on a document. The apparatus includes a scanner for scanning the image and forming image data, a driver for driving the scanner, a data processor for processing the image data and outputting information generated from the image data, a memory storing the output information from the data processor and a controller for setting a large thinning rate to be used by the data processor at a rough reading operation.

REFERENCES:
patent: 3912861 (1975-10-01), Vandling
patent: 3919464 (1975-11-01), Kondoh
patent: 4290084 (1981-09-01), Minshull et al.
patent: 4303948 (1981-12-01), Arai et al.
patent: 4447830 (1984-05-01), Stoffel
patent: 4614977 (1986-09-01), Kawahara et al.
patent: 4656524 (1987-04-01), Norris et al.
patent: 4862283 (1989-08-01), Smith

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