Image reading apparatus capable of controlling light emission am

Details Image reading apparatus capable of controlling light emission am Image reading apparatus capable of controlling light emission am

1993-04-19

1997-12-09

Lee, Thomas D.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358406, 358446, 358504, 358509, H04N 104, H04N 146

Patent

active

056966083

ABSTRACT:
An image reading apparatus has a projecting light source and a photo-sensitive device for receiving the projected light. In addition, a device is provided for measuring characteristics of the image reading apparatus while changing a light emission amount from the light source on the basis of an instruction by the user.

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patent: 5196948 (1993-03-01), Kasahara et al.
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