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:
Sep. 10, 1996
Filed:
Mar. 08, 1994
Applicant:
Inventor:
Shinji Todaka, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358468 ; 358400 ; 395155 ;
Abstract
An operation unit for electronic equipment can confirm invalid keys and items of in-setting and after-setting. The operation unit performs a function visually displayed on a button portion on a touch panel, arranged on a portion of the display on the screen as a button portion, and includes a method for changing the display assignment of a button which is not functioning.