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:
Aug. 26, 1997
Filed:
Dec. 05, 1995
Applicant:
Inventor:
Yoshio Kenmochi, Ichihara, JP;
Assignee:
Sunarrow Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
200314 ; 200305 ; 200512 ;
Abstract
A pushbutton switch which is based on a printed-wiring board equipped with a light source and a keypad that is arranged above the printed-wiring board. The pushbutton switch has a non-working portion and a working portion made of transparent silicone rubber or a transparent thermoplastic elastomer, wherein the upper surfaces of the non-working portions, excluding the working portions of the keypad, are covered with an opaque film, with the underside thereof being covered by an insulating film which forms an electrically conductive light-reflecting layer in which the electrically conductive light reflective layer is grounded by being connected to an earth portion.