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:
Nov. 17, 1987
Filed:
Feb. 21, 1986
Applicant:
Inventors:
Kazuhiko Arakawa, Tokyo, JP;
Yoshihito Harada, Kanagawa, JP;
Masayoshi Kiuchi, Kanagawa, JP;
Go Tokura, Kanagawa, JP;
Kazuo Fujibayashi, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, , US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354217 ;
Abstract
This invention relates to a film frame number display device in which, when the remaining number of film frames is above a prescribed value, the number of frames is displayed in semi-analog form by using a bargraph display, and, when the remaining number of film frames falls below the prescribed value, the number of frames is displayed in numerical form by using a digit display circuit.