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:
Nov. 15, 2016
Filed:
Nov. 07, 2011
Takeshi Murata, Osaka, JP;
Atsushi Kanamori, Osaka, JP;
Hirohisa Warita, Osaka, JP;
Hideo Matsuda, Osaka, JP;
Takayuki Shimizu, Osaka, JP;
Takeshi Murata, Osaka, JP;
Atsushi Kanamori, Osaka, JP;
Hirohisa Warita, Osaka, JP;
Hideo Matsuda, Osaka, JP;
Takayuki Shimizu, Osaka, JP;
SHARP KABUSHIKI KAISHA, Osaka, JP;
Abstract
An LED drive circuit that is connectable to a phase control type of light adjuster and receives a voltage based on an a.c. voltage to drive an LED load, the LED drive circuit has a structure which includes: an adjustment signal generation portion that generates an adjustment signal in accordance with a characteristic of a phase control type of light adjuster which is connected to the LED drive circuit; and an adjustment portion that receives the adjustment signal to adjust a characteristic for driving the LED load.