Document reading apparatus having a variable designating image

Details Document reading apparatus having a variable designating image Document reading apparatus having a variable designating image

1991-08-09

1992-10-27

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250221, 382 61, 340707, 358453, G01V 904, G06K 920

Patent

active

051591871

ABSTRACT:
A document reading apparatus comprising a document table, a reading section disposed above the document table for reading a document placed on the document table. The reading section includes a sensor for detecting variations of brightness within a selected reading area of the document which is designated by light beams prior to a reading operation. This apparatus further comprises a display device for displaying the image of the selected reading area.

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Pamphlet of Color Image File System and Image Scanner (XS. CAM2) manufactured by Mitsubishi Electric Corp.; May 1989 Aug. 1988.
Pamphlet of Copier (EP04300) manufactured by Minolta Camera K. K. Feb. 1989 (Date of First Sale).
Pamphlet of Image Scanner (DS-300) manufactured by Chinon K. K. Apr. 1989.
Pamphlet of Digital Copier (8010) manufactured by Konica K. K. Apr. 1989.
Pamphlet of Image Scanner (PIC-2350S) manufactured by Ikegami Tsushin KIki K. K. Nov. 1989.

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