Appeal No. 1998-0688
Application 08/274,158
system. Representative independent claim 1 is reproduced
as follows:
1. An image processor comprising a transparent plate
adapted to have a document placed thereon, document covering
means for covering said transparent plate and the document
thereon, document illumination means adapted for movement
relative to the document on said transparent plate, an image
sensor for receiving light irregularly reflected from the
document when illuminated by said document illuminating means,
and document detecting means and for detecting the document-
existing region of the transparent plate on the basis of an
output signal from said image sensor, said document covering
means having a substantially achromatic document covering
surface with a regular reflectance of from 1.5 to 20% and
giving a relative intensity of irregularly reflected light as
received by said image sensor of from N4 to N8.5 in terms of
lightness in the Munsell color system.
The Examiner relies on the following references:
Hosaka et al. (Hosaka) 4,811,047 Mar. 7, 1989
Sato et al. (Sato) 4,939,553 July 3, 1990
Nezu 4,963,934 Oct. 16,
1990
Miyamoto 5,036,354 July 30, 1991
(filed May 11, 1990)
Tanaka et al. (Tanaka) 58-111474 July 2, 1983
(Japanese Kokai)
Yuse et al. (Yuse ‘265) 62-221265 Sept. 29, 1987
(Japanese Kokai)
Yuse et al. (Yuse ‘266) 62-221266 Sept. 29, 1987
(Japanese Kokai)
Claims 1, 4, 6, 7, and 9 stand rejected under 35 U.S.C.
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