Appeal No. 2002-1301
Application No. 09/233,983
The disclosed invention pertains to an image reading
apparatus comprising an illumination means, a transducer unit for
converting light reflected from an original document into an
electric signal, and a light amount control means for controlling
the illumination means. A particular feature of the invention is
that the illumination means is controlled according to a
saturation characteristic and a frequency characteristic of the
transducer unit.
Representative claim 1 is reproduced as follows:
1. An image reading apparatus comprising:
illumination means for directing light toward an original
document;
a transducer unit for converting said light directed toward
said original document and reflected therefrom to an electric
signal; and
light amount control means for controlling an amount of
light from said illumination means according to a saturation
characteristic and a frequency characteristic of said transducer
unit.
The examiner relies on the following references:
Arimoto 4,888,492 Dec. 19, 1989
Pelton et al. (Pelton) 5,281,800 Jan. 25, 1994
Ishida et al. (Ishida) 5,371,567 Dec. 06, 1994
Claims 1-14 and 20-24 stand rejected under 35 U.S.C.
§ 103(a). As evidence of obviousness the examiner offers Arimoto
2
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