Document exposure apparatus

Details Document exposure apparatus Document exposure apparatus

1995-02-03

1997-08-12

Malley, Daniel P.

Photocopying

Projection printing and copying cameras

Detailed holder for original

355120, 399187, G03G 2100

Patent

active

056571135

ABSTRACT:
A document exposure apparatus includes a glass plate on which a document original is located, a press cover for covering the glass plate, an open/close discriminating unit for discriminating an open state and a close state of the press cover, an exposure unit, disposed under the glass plate, for illuminating the original with light, and a control unit for controlling the illuminating operation of the exposure unit according to an open/close state of the press cover, which is discriminated by the open/close discriminating unit.

REFERENCES:
patent: H43 (1986-04-01), Michaels
patent: 4912507 (1990-03-01), Kinoshita
patent: 5077579 (1991-12-01), Shibusawa et al.
patent: 5142326 (1992-08-01), Iwata et al.
"1990-1991 Theshold Limit Vaules for Physical Agents in the Work Environment," Adopted by ACGIH with Intended Changes for 1990-91, pp. 66-69, 114-119.

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