Sheet conveying and reading apparatus having a light-interceptin

Details Sheet conveying and reading apparatus having a light-interceptin Sheet conveying and reading apparatus having a light-interceptin

1990-02-07

1990-09-25

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

358482, H01J 314

Patent

active

049595369

ABSTRACT:
A sheet conveying and reading apparatus has a conveyance path for conveying a sheet, a transparent plate for contacting the surface of the sheet being conveyed on the conveyance path, a photoelectric conversion element disposed on the transparent plate or in proximity to the surface thereof opposite to the surface of the transparent plate contacting the sheet, and a light-intercepting member for covering the side edge surfaces of the transparent plate.

REFERENCES:
patent: 3890049 (1975-06-01), Collins et al.
patent: 3932755 (1976-01-01), Sagawa
patent: 4200391 (1980-04-01), Sakamoto et al.
patent: 4352553 (1982-10-01), Hirahara
patent: 4438918 (1984-03-01), Ito et al.
patent: 4544258 (1985-10-01), Takano
patent: 4560866 (1985-12-01), Takenouchi et al.
patent: 4729036 (1988-03-01), Ikeda et al.

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