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:
Mar. 05, 2019
Filed:
Feb. 02, 2016
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Tamotsu Ando, Osaka, JP;
Shigeo Goto, Osaka, JP;
Abstract
A luminaire includes a light source having a light-emitting element, and a communication device configured to transmit and/or receive a communication signal by wireless communication. The luminaire further includes a power supply configured to supply electric power to the light source and the communication device, and a housing configured to contain the communication device and the power supply. The light source is configured to be held by the housing. The housing is provided with an opening. The housing has a rectangular parallelepiped shape with electrically conductive walls to form a rectangular waveguide having a cutoff frequency. The housing is set to have a dimension in a width direction thereof such that a radio frequency of the communication signal is equal to or more than the cutoff frequency.