Copier having a density detector with fluorescent-dye-coated ref

Details Copier having a density detector with fluorescent-dye-coated ref Copier having a density detector with fluorescent-dye-coated ref

1997-02-10

1998-05-19

Lee, S.

Electrophotography

Control of electrophotography process

Control of exposure

G03G 2100

Patent

active

057549214

ABSTRACT:
An original density detecting apparatus includes a projector-receiver including a light projector and a light receiver, and a reflecting member including a fluorescent reflecting plate a surface of which on the projector-receiver side is a coating of a fluorescent dye. An image forming apparatus includes an illuminating device for illuminating an original, an image reader for forming an image of the original on a photosensitive medium, and the original density detecting apparatus as described above.

REFERENCES:
patent: 5325153 (1994-06-01), Mitsuse et al.

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