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:
Feb. 14, 1995
Filed:
Aug. 04, 1992
Applicant:
Inventor:
Katsuhiko Tsunefuji, Sagamihara, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ; G03B / ; G03B / ;
U.S. Cl.
CPC ...
354 21 ; 354275 ; 354159 ; 354222 ;
Abstract
According to the present invention, a film cartridge has a display code that represents information of a built-in film using a pattern of electrodes set in array an, wherein information in addition the film sensitivity, number of permissible exposures, and latitude is displayed depending on whether the display code provides a pattern in which one of earth electrodes in two arrays of electrodes is nonconducting or a pattern in which the other earth electrode is conducting. A camera using the film cartridge changes photographic screen sizes according to identification information of the film when the film cartridge is mounted in the camera body.