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. 29, 2012
Filed:
Dec. 14, 2007
Applicants:
Isao Miyashita, Fujiyoshida, JP;
Kenshi Aihara, Fujiyoshida, JP;
Inventors:
Isao Miyashita, Fujiyoshida, JP;
Kenshi Aihara, Fujiyoshida, JP;
Assignee:
Citizen Electronics Co., Ltd., Yamanashi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sheet switch module () including a circuit board (), at least one key switch () mounted on one surface of the circuit board (), a light-guiding sheet unit () covering one surface of the key switch (), at least one LED () mounted on the circuit board () to enter light into the light-guiding sheet unit (), the light-guiding sheet unit () being formed by a plurality of light-guiding sheets () at least parts of which are overlapped, the key switch () being illuminated by the LED () by way of plurality of light-guiding sheets ().