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:
Oct. 24, 2017
Filed:
Apr. 22, 2015
Applicants:
Tomas Rodinger, Vancouver, CA;
Gimmy Chu, Mississauga, CA;
Christian Yan, Scarborough, CA;
Inventors:
Assignee:
NANOGRID LIMITED, Kowloon, HK;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 33/08 (2006.01); F21K 9/238 (2016.01); F21K 9/232 (2016.01); F21Y 115/10 (2016.01); F21K 9/235 (2016.01); F21V 19/00 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0845 (2013.01); H05B 33/0803 (2013.01); H05B 33/0815 (2013.01); H05B 33/0851 (2013.01); F21K 9/232 (2016.08); F21K 9/235 (2016.08); F21K 9/238 (2016.08); F21V 19/003 (2013.01); F21V 19/006 (2013.01); F21Y 2115/10 (2016.08); Y02B 20/383 (2013.01);
Abstract
The light intensity level of a dimmable LED bulb is set by interruption of the AC signal by the user. The bulb's driver circuit includes a controller having dimmer control logic for controlling the brightness. Optionally, the LED bulb can be dimmed by an external TRIAC dimmer.