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. 30, 2004
Filed:
Mar. 14, 2003
Applicant:
Inventor:
Hideto Matsufusa, Fukushima-ken, JP;
Assignee:
Alps Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 ; G02F 1/1333 ; G09G 5/00 ;
U.S. Cl.
CPC ...
G02F 1/1335 ; G02F 1/1333 ; G09G 5/00 ;
Abstract
A coordinate input device including: an upper film substrate; a first electrode layer formed on a rear surface of the upper film substrate; a lower film substrate; a second electrode layer formed on a surface of the lower film substrate, the surface facing the first electrode layer; and a transparent dielectric film held and bonded between the upper and lower film substrates. In the coordinate input device, the upper and lower film substrates and the first and second electrode layers are transparent.