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:
Apr. 16, 1985
Filed:
Apr. 15, 1982
Applicant:
Inventors:
Fumio Kouzai, Hiroshima, JP;
Yoshiaki Motoki, Hiroshima, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B / ;
U.S. Cl.
CPC ...
340644 ; 307130 ; 307285 ; 340660 ;
Abstract
An energization indicator lamp for time switch in which a two-color light emission element which can be switched from either color to the other color is used in place of a conventional energization indicator lamp, and a color of light emitted from the two-color light emission element is automatically switched in response to supply voltage, whereby the presence of energization upon the time switch as well as a value of the supply voltage can easily and correctly be recognized.