| 摘要 |
PROBLEM TO BE SOLVED: To provide a mouse including a colorimetric device, and improving colorimetric accuracy without impairing appearance and operability. SOLUTION: The mouse sending signals responding to a moving direction and moving distance to a communicably connected computer is composed by providing a first irradiation part irradiating on a colorimetry object with light, a light receiving part receiving reflected light of the light irradiated on the colorimetry object from the first irradiation part, and outputting a received light intensity of the reflected light as an electric signal, a control part outputting an electric signal indicating a color of the colorimetry object on the basis of the electric signal outputted by the light receiving part, a second irradiation part irradiating light of the same color as the color of the colorimetry object on the basis of the electric signal outputted by the control part to suppress reception of light other than the reflected light in the light receiving part, and a casing housing the first irradiation part, the light receiving part, the control part, and the second irradiation part. COPYRIGHT: (C)2006,JPO&NCIPI
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