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:
Aug. 21, 2012
Filed:
Jan. 29, 2010
Applicant:
Hiroyuki Fukui, Kyoto, JP;
Inventor:
Hiroyuki Fukui, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An LED illuminator includes a light emission circuit and a driver. The light emission circuit includes an LED group and a connection line connecting the LED group. The driver drives the LED group by using an AC voltage inputted from outside. The driver includes a constant-current control circuit. The constant-current control circuit keeps the current flowing to the light emission circuit at a predetermined value.
Fukui, Hiroyuki. (2012). Led illuminator and led lamp (U.S. Patent No. 8247994). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8247994
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile