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. 12, 1991
Filed:
Mar. 09, 1989
Applicant:
Inventors:
Toshio Sugino, Tokyo, JP;
Yoji Furuya, Inagi, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340712 ; 340706 ; 341 20 ; 341 23 ;
Abstract
In an information input device for inputting information in an information processing apparatus by means of contact on an input surface provided on a display picture, an input-prohibiting area is provided on the input surface in response to setting a cleaning mode of the input surface, and the input-prohibiting area and an input-enabling area are discriminately displayed. At the same time, the brightness of the input surface is made high during the cleaning mode.