Photosensor with filter for cutting off the input of invisible i

Details Photosensor with filter for cutting off the input of invisible i Photosensor with filter for cutting off the input of invisible i

1997-09-03

2000-04-18

Le, Que T.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250226, 358518, H01J 4014

Patent

active

06051826&

ABSTRACT:
Visible information of the document sheet and information other the visible information are efficiently read by an image sensing apparatus including a first line sensor for reading the visible information of the document sheet and a second line sensor for reading the information other than the visible information.

REFERENCES:
patent: 4587434 (1986-05-01), Roes et al.
patent: 4739377 (1988-04-01), Allen
patent: 5107333 (1992-04-01), Poque et al.
patent: 5140411 (1992-08-01), Haneda et al.
patent: 5481334 (1996-01-01), Arimoto et al.

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