Appeal No. 2000-1735
Application No. 08/780,930
a second period defining means for defining a second predetermined
period at said front end of said line signal in said second mode;
an A/D conversion means for converting said line signal obtained
from said CCD imager into a digital signal;
a clamp level calculation means for calculating a clamp level on the
basis of said digital signal in one of said first predetermined period and said
second predetermined period; and
a clamping means for clamping said line signal at said clamp level.
The examiner relies on the following references:
Hirota 4,856,033 Aug. 08, 1989
Hashimoto 4,910,599 Mar. 20, 1990
Koyama 5,448,306 Sep. 05, 1995
Yukio et al. (Yukio) JP 5-244490 Sep. 21, 1993
Haruhiko et al. (Haruhiko) JP 7-212657 Aug. 11, 1995
Claims 1-7 stand rejected under 35 U.S.C. § 103. As evidence of obviousness, the
examiner cites Hashimoto, Koyama and Hirota with regard to claims 1 and 4, adding
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Yukio to the combination with regard to claims 3, 6 and 7 and adding Haruhiko to the
original combination with regard to claims 2 and 5.
Reference is made to the briefs and answer for the respective positions of
appellants and the examiner.
OPINION
1We employ the same names for the applied references as do appellants and the examiner.
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