Illumination apparatus comprising first and second antennas coupled and movable relative to each other

摘要

A lighting device 100 including a light source and a heat dissipation element, an RF communication circuit 102, a first antenna 105 electrically connected to the RF communication circuit and supported by the first portion 115 of the lighting device, Two antennas 125, adapted to communicate with an external device, and wherein the second antenna is adapted to be excited by the first antenna and adapted to excite the first antenna. A lighting device having a second antenna that is electromagnetically coupled to the first antenna, wherein the second antenna is adapted to communicate with an external device and is supported by a second portion of the lighting device; An illumination device is presented in which the second part of the illumination device is movable relative to the first part of the illumination device.