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. 05, 2005
Filed:
Sep. 28, 2000
Applicants:
Mitsugu Kobayashi, Nagoya, JP;
Hisao Uehara, Ogaki, JP;
Inventors:
Mitsugu Kobayashi, Nagoya, JP;
Hisao Uehara, Ogaki, JP;
Assignee:
Sanyo Electric Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G005/00 ;
U.S. Cl.
CPC ...
Abstract
Graphics are drawn with an input pen, which is provided with an optical sensor at its tip, on a display surface of an EL display. At this time, the EL display is caused to emit light in dot sequence, and the position of the input pen is detected as coordiante information on the basis of timing of light emission of the EL display and timing of light emission detection of the input pen.