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. 01, 2016
Filed:
Dec. 07, 2015
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Kazuyoshi Kadotani, Osaka, JP;
Hajime Koide, Osaka, JP;
Abstract
A lighting system includes a lighting fixture, a demand controller and a control board. The demand controller obtains power usage of a plurality of devices including the lighting fixture and, outputs a demand signal depending on the power usage obtained. The control board includes a switch provided on a power line and a switch controller that interrupts supply of power over the power line for a predetermined period of time by controlling the switch based on the output demand signal. The lighting fixture includes a light emitter, a detector, and a controller that causes the light emitter to emit light in a second dimming state darker than a first dimming state in which the light emitter emitted light immediately before the detection, if the detector detects that the supply of power has been interrupted for the predetermined period of time.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile