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. 15, 2005
Filed:
Oct. 25, 2000
Toshiyasu Kitamura, Kanagawa, JP;
Kazuhiro Konishi, Shizuoka, JP;
Taichi Tabata, Kanagawa, JP;
Kouichi Yamamoto, Kanagawa, JP;
Toshiyasu Kitamura, Kanagawa, JP;
Kazuhiro Konishi, Shizuoka, JP;
Taichi Tabata, Kanagawa, JP;
Kouichi Yamamoto, Kanagawa, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A keybutton structure that is composed of the casing, the shielding casethat is provided with metal-type surface treatment, the keybuttonand the printed circuit boardthat is mounted with a light emitting element, in that the light emitting element, such as the LED, is surrounded entirely by the ribthat is disposed upright on the shielding case. This configuration enables solving of the space problem as well as improvement in the luminous efficiency.