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:
Aug. 09, 2011
Filed:
Aug. 16, 2006
Kenshi Aihara, Fujiyoshida, JP;
Isao Miyashita, Fujiyoshida, JP;
Kenshi Aihara, Fujiyoshida, JP;
Isao Miyashita, Fujiyoshida, JP;
Citizen Electronics Co., Ltd., Yamanashi, JP;
Abstract
A sheet switch module including a sheet switch () having a central contact () disposed on a circuit board (), a circumferential contact () disposed circumferentially of the central contact (), a spring () disposed above the central contact (), and a transparent sheet member () configured to cover the spring (), the sheet switch () forming a switching circuit such that the spring () provides electrical conduction between the central contact () and the circumferential contact () when the sheet member is pressed, the sheet member () being formed by a light guiding sheet () configured to guide light emitted from an LED () along an upper surface of the spring ().