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:
Jan. 02, 1996
Filed:
Oct. 21, 1993
Shinobu Arimoto, Yokohama, JP;
Katsuichi Shimizu, Kawasaki, JP;
Yutaka Komiya, Tokyo, JP;
Kazuo Yoshinaga, Machida, JP;
Toshio Hayashi, Kawasaki, JP;
Takehiko Nakai, Tokyo, JP;
Tsutomu Utagawa, Yokohama, JP;
Tetsuya Nagase, Kawasaki, JP;
Nobuatsu Sasanuma, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A specified original that is not supposed to be copied is marked with a pattern that is formed by infrared reflected light. A copying apparatus includes a detecting unit for detecting the pattern and determines that an original is the specified original in accordance with the detection by the detecting unit. A copying operation is controlled in accordance with the determination of whether the original is the specified original that is not supposed to be copied.