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:
Mar. 13, 2012
Filed:
Oct. 01, 2009
Applicant:
Norihiko Wada, Hamamatsu, JP;
Inventor:
Norihiko Wada, Hamamatsu, JP;
Assignee:
Roland Corporation, Hamamatsu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 1/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A plurality of LEDs are arranged continuously in a row and a transparent LED cover is disposed over the front surface of the LEDs. The LED cover extends in the longitudinal direction of the arrangement of LEDs and is curved in an arc shape that is perpendicular to the longitudinal direction of arrangement of LEDs. The cover does not contain light diffusion material, but has a corrugated surface around the arc shape. The corrugated surface extends in the longitudinal direction of the arrangement of LEDs.