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:
Dec. 23, 1997
Filed:
May. 17, 1996
Applicant:
Inventor:
Kenichiro Amano, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ; G03B / ;
U.S. Cl.
CPC ...
396515 ; 396207 ; 396410 ; 396512 ;
Abstract
In a camera arranged to use a film cartridge having a rotary member which rotates in association with transport of a film and which is provided with a code indicative of information about the film, a rotating state of the rotary member is detected in rewinding the film, so that the film can securely be wound into the film cartridge.