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:
May. 02, 1995
Filed:
Oct. 15, 1993
Toshihiko Miyazaki, Hiratsuka, JP;
Hiroshi Matsuda, Isehara, JP;
Hisaaki Kawade, Yokohama, JP;
Ken Eguchi, Yokohama, JP;
Haruki Kawada, Yokohama, JP;
Hideyuki Kawagishi, Ayase, JP;
Yoshihiro Yanagisawa, Isehara, JP;
Keisuke Yamamoto, Yamato, JP;
Toshimitsu Kawase, Atsugi, JP;
Takahiro Oguchi, Atsugi, JP;
Toshihiko Takeda, Atsugi, JP;
Masahiro Tagawa, Atsugi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A method for detecting a slope of a surface of an information record medium in an apparatus for detecting/writing information using one or a plurality of probes from/in the information record medium. The surface of the information record medium is scanned using the probe. The information from the surface of the information record medium is detected through the probe when the scanning is executed, and the slope of the surface of the information record medium is detected on the basis of the detected information.