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:
Jul. 08, 1997
Filed:
Jul. 05, 1996
Toshiyuki Kitazawa, Tokyo, JP;
Tomoaki Itabashi, Tokyo, JP;
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
An SLR camera which uses a film cartridge having a spool includes first and second motors. The first motor performs a film advancing operation, in which the first motor rotates the spool to advance a film wound on the spool from the film cartridge, and a film rewinding operation, in which the first motor rotates the spool so as to rewind the film into the film cartridge. The second motor performs a film winding operation, in which the second motor rotates a film take-up spool provided in the camera to wind the film around the film take-up spool, a shutter charging operation, in which a shutter charge is performed, a mirror up operation, in which a quick-return mirror provided in the camera is moved up after a shutter release, and a mirror down operation, in which the quick-return mirror is moved down after the mirror up operation is completed.