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. 04, 2017
Filed:
Feb. 06, 2015
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Shigeru Ido, Osaka, JP;
Hiroshi Kido, Osaka, JP;
Akinori Hiramatu, Nara, JP;
Junichi Hasegawa, Osaka, JP;
Daisuke Ueda, Osaka, JP;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 33/089 (2013.01); H05B 33/0815 (2013.01); H05B 33/0824 (2013.01); H05B 33/0827 (2013.01); H05B 33/0845 (2013.01); Y02B 20/346 (2013.01);
Abstract
A control unit of a light source device after activation time is configured to turn on switches respectively connected in series with light sources, in prescribed order. The light source device and a lighting device are configured to transmit characteristics of the light sources, based on a voltage change depending on a pattern of on and off of the switches.