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:
Jun. 25, 2019
Filed:
Oct. 04, 2018
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Abstract
A lighting system includes a first luminaire and a second luminaire which are arranged in an illumination area, and a controller. The first luminaire is connected to a first receiver which receives a signal from a transmission tag, and has a first lighting lamp. The second luminaire is connected to a second receiver which receives a signal from the transmission tag, and has a second lighting lamp. The controller turns on the first lighting lamp when the first receiver receives the signal from the transmission tag, then, turns on the second lighting lamp when the second receiver receives the signal from the transmission tag, and notifies that an abnormal situation has occurred when no signal from the transmission tag is received by the first receiver within a predetermined time period from the turning on of the second lighting lamp.