Hand-held optical scanner

Details Hand-held optical scanner Hand-held optical scanner

1995-12-27

1997-01-21

Burr, Edgar S.

Typewriting machines

Pocket typewriter

358473, 382313, H04N 1047, H04N 1107

Patent

active

055954456

ABSTRACT:
A hand-held and self contained electronic scanning apparatus for scanning information on a document disposed outside the apparatus includes a housing that can be manually positioned adjacent a surface of a document and manually swept across a scanning area on the medium during a scanning sequence; a scanner disposed in the housing and having a scan head with a plurality of scan elements such as light sensitive elements for scanning information as an image of the document within the scanning area; and an electronic control circuit disposed in the housing for controlling the scanner to scan information on the document during a scanning sequence, the control circuit comprising compensation for reducing image distortion based on detecting position of the light sensitive elements during a scanning sequence.

REFERENCES:
patent: 3656169 (1972-04-01), Kashio
patent: 4377741 (1983-03-01), Brekka et al.
patent: 4611246 (1986-09-01), Nihei
patent: 4797544 (1989-01-01), Montgomery
patent: 4899228 (1990-02-01), Sano et al.
patent: 4901164 (1990-02-01), Kurosawa
patent: 4928183 (1990-05-01), Yajima
patent: 5012349 (1991-04-01), de Fay
patent: 5355146 (1994-10-01), Chiu et al.
patent: 5446559 (1995-08-01), Birk

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