Document imaging camera with lamp bent into symmetrical lamp seg

Details Document imaging camera with lamp bent into symmetrical lamp seg Document imaging camera with lamp bent into symmetrical lamp seg

1992-04-27

1993-12-21

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

2502081, 358475, 362260, G01N 904, H04N 121

Patent

active

052723313

ABSTRACT:
Document-imager for imaging documents (e.g. checks that are transported past an imaging-site, where the site is illuminated by one (or two) pairs of lamps symmetrically disposed about the site, with image-reflection sent back between lamps to be captured.

REFERENCES:
patent: 3198982 (1965-08-01), Benson et al.
patent: 4723072 (1988-02-01), Naruse
patent: 4821332 (1989-04-01), Durham
patent: 5142138 (1992-08-01), Yonezawa et al.
patent: 5144457 (1992-09-01), Copenhaver et al.
Lama, "Diffuse Cavity Illuminators For Non-Platen or DVT RIS Systems" Xerox Disc. J. vol. 7, No. 5 Sep. 1982; pp. 339-34.

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