| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an illumination device capable of obtaining illumination light of high brightness and achieving downsizing of the device. <P>SOLUTION: The illumination device 1 includes: light sources 10, 20, 30 annularly aligned with a spacing in the peripheral direction and arranged so as to direct an optical axis in a radially inward direction of an annular ring; a light guide part 40 in which a light guide member wherein the illumination light emitted from the light source 10, 20, 30 is light-guided in the same direction is coupled in the axis direction of the annular ring; a voice coil motor in which the light guide part 40 is made to reciprocally move in the axial direction; and a control part to emit light by switching the light sources 10, 20, 30 synchronized with the voice coil motor. <P>COPYRIGHT: (C)2012,JPO&INPIT |
