| 摘要 |
<P>PROBLEM TO BE SOLVED: To control the brightness of illumination by wireless power supply while keeping use feeling in setting an ordinary bulb. <P>SOLUTION: A power supply body 106 has a cylindrical part storing a light source cartridge 104. On a bottom face of the cylindrical part of the power supply body 106, a power supply coil L2 for supplying AC power to the light source cartridge 104 is built in. A transmission control circuit 108 supplies AC power to the power supply coil L2. The power supply body 106 is formed with a threaded groove on an inner wall to change an insertion depth of the light source cartridge 104 and to stabilize a position of the light source cartridge. <P>COPYRIGHT: (C)2012,JPO&INPIT |
