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:
May. 23, 2000
Filed:
Nov. 03, 1998
Applicant:
Inventors:
Takahira Kato, Kariya, JP;
Satoru Tamura, Anjo, JP;
Assignee:
Denso Corporation, Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
362 30 ; 362 26 ; 362 23 ; 362307 ; 362327 ;
Abstract
An indicating instrument has a generally straight illumination lamp and a light conducting plate. The light conducting plate has V-shaped notches near the lamp at the back thereof and curved surfaces at the front thereof. The V-shaped notches have inclined surface for receiving light from the lamp and transmitting it to the curved surfaces. The light from the lamp is totally reflected by the curved surface to illuminate a dial plate effectively.