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:
Jan. 23, 2001
Filed:
Apr. 14, 1999
Applicant:
Inventor:
Kazuyoshi Ishiguro, Niwa-gun, JP;
Assignee:
Kabushiki Kaisha Tokai Rika Denki Seisakusho, Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 ; F21N / ;
U.S. Cl.
CPC ...
F21V 8/00 ; F21N / ;
Abstract
When a knob dial,is turned on, a predetermined LED,to,corresponding to a rotational position of the knob dial,is turned on. Then, a beam of light is supplied to a predetermined indicator lens,to,via a predetermined light path,and the indicator lens,to,can be illuminated. In this structure, the optical path,is formed into a sector-shape. Therefore, even if the knob dial,is set at an intermediate position, the beam of light emitted from LED,to,is supplied to the indicator lens,to,via the optical path,Accordingly, the indicator lens,to,can be illuminated to the utmost.