Appeal No. 2001-0877
Application 08/530,434
The disclosed invention pertains to a document reading
apparatus such as a photocopier. The invention particularly
relates to the copying of documents such as books which do not
lay flat when placed on the document table. The invention uses a
measured height of the document and a measured outline of the
document to improve the image of the document.
Representative claim 1 is reproduced as follows:
1. An image reading apparatus comprising:
a document table on which a document is placed, the image on
the document to be read facing away from the document table;
an image reading means which reads out an image of the
document placed on the document table;
a height detecting means which detects a height of the
document placed on the document table;
an outline measuring means which measures an outline of the
document placed on the document table; and
an examining means which examines a size of the document
based on the height of the document detected by the height
detecting means and the outline of the document measured by the
outline measuring means.
The examiner relies on the following references:
Davidson et al. (Davidson) 4,654,706 Mar. 31, 1987
Okisu et al. (Okisu) 5,194,729 Mar. 16, 1993
Katou et al. (Katou) 5,206,771 Apr. 27, 1993
Siegel 5,276,530 Jan. 04, 1994
Matsuda et al. (Matsuda) 5,416,609 May 16, 1995
Wolff et al. (Wolff) 5,497,236 Mar. 05, 1996
(filed June 23, 1993)
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