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:
Dec. 30, 2003
Filed:
May. 15, 2003
Applicant:
Inventors:
Tetsuro Hanahara, Fukui, JP;
Shigetaka Douzono, Fukui, JP;
Takayuki Ishikawa, Fukui, JP;
Yoshiharu Abe, Osaka, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01H 9/00 ;
U.S. Cl.
CPC ...
A01H 9/00 ;
Abstract
An illumination type push button switch includes EL element mounted to a bottom surface of board below switch contact . Board has through-holes A and B near the contact. EL element , which is capable of lighting plural push buttons simultaneously by surface-light emission, emits light via through-holes A and B of board to light push buttons and . The illumination type push button switch thus lighting the push buttons clearly includes a small number of components and is inexpensive.