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. 01, 2001
Filed:
Jan. 29, 1998
Katsunori Sawai, Fukushima-ken, JP;
Hideto Sasagawa, Fukushima-ken, JP;
Takeshi Watanabe, Fukushima-ken, JP;
Takayuki Ito, Fukushima-ken, JP;
Alps Electric Co., Ltd., Tokyo, JP;
Abstract
A co-ordinates input device having a transparent substrate member is composed of: a transparent substrate; an ITO film formed on a surface of the transparent substrate; a pair of electrodes formed at a given distance from each other on the ITO film; an operation region formed between the pair of electrodes; and lead electrodes, extending from the pair of electrodes, formed on the ITO film; in which at least one of the lead electrodes extending from the pair of electrodes is formed on the ITO film on a side of the operation region, and between the lead electrode and the operation region, a groove is formed in the ITO film alone or in the ITO film and continuously extending into the transparent substrate.