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. 13, 2020
Filed:
Jun. 11, 2019
Murata Manufacturing Co., Ltd., Kyoto, JP;
Suguya Ibaraki, Kyoto, JP;
Hisaki Honjo, Kyoto, JP;
Tetsu Nishimura, Kyoto, JP;
Yuki Maruno, Kyoto, JP;
Nobumitsu Amachi, Kyoto, JP;
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Abstract
A lighting system serving as a wireless network system includes a plurality of lighting appliances, which are a plurality of wireless devices, that each have unique identifier and transmit/receive a radio signal. Under control performed by a lighting controller, an operation is sequentially performed with respect to each of the plurality of lighting appliances in which one lighting appliance from among the plurality of lighting appliances broadcasts a measurement signal that includes the identifier of that lighting appliance and the other lighting appliances receive the measurement signal and measure reception quality, which depends on the distance between the lighting appliances.