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:
Aug. 30, 1994
Filed:
Mar. 16, 1992
Mitsutoshi Ohwada, Yokohama, JP;
Masakazu Matsugu, Atsugi, JP;
Shigeyuki Suda, Yokohama, JP;
Minoru Yoshii, Tokyo, JP;
Yukichi Niwa, Narashino, JP;
Noriyuki Nose, Machida, JP;
Kenji Saitoh, Yokohama, JP;
Masanobu Hasegawa, Atsugi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A device for measuring an interval between two plate-like objects includes a light source for projecting a light toward the objects, a detector for detecting a position of incidence, upon a predetermined surface, of the light projected by the light source and deflected by the two objects, and a calculating portion for measuring the interval of the two objects on the basis of the detection by the detector.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile