Lighting device
US9693432B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 11, 2016 |
| Grant date | Jun 27, 2017 |
| Priority date | — |
| Expiry date | Feb 11, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting device includes: a metal casing; a power supply circuit which is disposed in the metal casing and supplies power to a light source; an antenna disposed in the metal casing; a radio circuit which is disposed in the metal casing and receives a radio signal via the antenna; a control circuit which controls the power supply circuit according to the radio signal received by the radio circuit; at least one opening that communicatively connects an inside and an outside of the metal casing; and a line which is inserted in the at least one opening and insulated from the metal casing, the line being conductive and having open ends.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.