| 摘要 |
PROBLEM TO BE SOLVED: To obtain an infrared switch device with power consumption reduced. SOLUTION: The infrared switch device for determining whether a reflective object touches at a plurality of predetermined positions which are provided on an operation panel is provided with a light-emitting element irradiating infrared rays; a light distributor distributing and leading the infrared rays of the light-emitting element to irradiate to the predetermined positions; light-receiving elements each provided at each predetermined position and receiving the infrared rays reflected by touching the reflecting object at predetermined positions; and an operation unit for determining whether the reflective object touches at the plurality of predetermined positions, based on the amount of receiving light of the light-receiving elements. COPYRIGHT: (C)2011,JPO&INPIT
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