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:
Sep. 09, 2003
Filed:
Nov. 28, 2001
Kenichiro Kawaguchi, Shizuoka, JP;
Yazaki Corporation, Tokyo, JP;
Abstract
A dome switch includes a front sheet ( ) which protrudes outside and can be reversed inside and has dome-shaped protuberances ( ), each protuberance having an electrode provided therein; an FPC ( ) serving as a circuit member having contact points ( ), the electrodes of the protuberances being brought into contact when the protuberances ( ) are reversed; and a spacer sheet ( ) for preventing occurrence of deformation of the front sheet ( ) which is to be interposed between the front sheet ( ) and the FPC ( ) and has through holes ( ) formed therein for ensuring contact between the electrodes and the contact points ( ). The spacer sheet ( ) is caused to act also as a member for ensuring a stroke dimension of the protuberance ( ).