The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 28, 1994
Filed:
Dec. 23, 1992
Applicant:
Inventors:
Hiroshi Takahashi, Kawasaki, JP;
Kazunori Bannai, Tokyo, JP;
Tetsuya Fujioka, Yokohama, JP;
Kazushige Taguchi, Warabi, JP;
Susumu Shiina, Tokyo, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; G03B / ; B65H / ;
U.S. Cl.
CPC ...
358474 ; 355 25 ; 358488 ; 358496 ; 358497 ; 358498 ; 271193 ;
Abstract
An image reader for reading a book document laid on a document table in a spread position by optically scanning the surface of the document. The edge of the document on the side where scanning for reading the document starts, the position of an image on the document, the size of the document, the edge of the document on the side where the leaf of the document begins to be turned over and so forth are detected on the basis of data derived from the optical scanning of the surface of the document.