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:
May. 15, 2007
Filed:
Jun. 04, 2002
Applicant:
Akihisa Itoh, Fukushima-ken, JP;
Inventor:
Akihisa Itoh, Fukushima-ken, JP;
Assignee:
Alps Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 5/00 (2006.01); G06F 3/033 (2006.01);
U.S. Cl.
CPC ...
Abstract
A coordinate input device includes a coordinate input element. The coordinate input element includes a transparent coordinate detector and a controller having a control circuit which drives and controls the coordinate detector and which corrects electrostatic capacitance noise disturbing the coordinate detector. The coordinate input device also includes a liquid crystal display device provided on the back side of the coordinate input element, a casing for holding the coordinate input element and the liquid crystal display device, and an L-shaped and a reverse L-shaped push button switches provided on the upper surface of the casing.