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:
Mar. 16, 2010
Filed:
Jun. 05, 2007
Applicants:
Kazuya Ishihara, Tsuru, JP;
Kosuke Tsuchiya, Fujiyoshida, JP;
Akira Watanabe, Fujiyoshida, JP;
Inventors:
Assignees:
Citizen Electronics Co., Ltd., Yamanashi, JP;
Fuji Polymer Industries Co., Ltd., Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sheet switch module including a circuit board (), at least one key switch () disposed on the circuit board, and a flexible light guiding sheet () which is disposed on the key switch and configured to cover the circuit board, the light guiding sheet being configured to flexibly fit over and follow the shape of the key switch along an outer surface of the key switch, when the light guiding sheet is disposed on the circuit board.