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. 27, 2010
Filed:
Dec. 13, 2006
Applicants:
Tomonobu Kato, Kyoto, JP;
Toshimitsu Fujiwara, Kyoto, JP;
Inventors:
Tomonobu Kato, Kyoto, JP;
Toshimitsu Fujiwara, Kyoto, JP;
Assignee:
OMRON Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); G09F 13/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A display unit includes a light source and at least one or more transparent display plates. Each transparent display plate has a plurality of fine dimples formed on at least one surface thereof Light rays from the light source are respectively made incident on the transparent display plates and are reflected by the plurality of fine dimples so that a pattern of at least one of characters, graphics, and symbols is made visually observed uniformly.