Optical scanner

Details Optical scanner Optical scanner

1998-10-16

2000-02-15

Grant, II, Jerome

Image analysis

Image sensing

358494, G06K 700, H04N 104

Patent

active

06026201&

ABSTRACT:
An optical scanner that obtains precise and clear image information independent of a position for scanning an object. A plurality of light receiving parts are each composed of a photodiode, for detecting the image information of reflected light, and a detecting lens structured so that the beam diameter of the reflected light at the paired photodiode is larger than a beam diameter w.sub.0 expressed by:

REFERENCES:
patent: 4558357 (1985-12-01), Nakagawa
patent: 5075770 (1991-12-01), Smyth
patent: 5173599 (1992-12-01), Setani
patent: 5362957 (1994-11-01), Nakai
patent: 5530562 (1996-06-01), Eisenbarth et al.
patent: 5726776 (1998-03-01), Auer et al.
patent: 5933250 (1999-08-01), Ito

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