| 摘要 |
An optical hair growth control device controls hair growth by shining a controlled light on the skin. The device comprises a control light shining section for shining a control light, a measurement light shining section for shining a measurement light on a portion of the human body to be shined by the light for measurement of the portion, a light receiving section for receiving the measurement light reflected from the portion, a processing section for arithmetically processing information on the measurement light received by the receiving section, and a shining judging section for judging whether or not the light shining is performed by the control light shining section on the basis of the result of the arithmetical processing by the processing section. The shining judging section is structured so that the shining of the control light by the control light shining section is controlled according to the judgment. The device can judge by using the measurement light whether or not the portion is appropriate as a portion on which the control light is shined and prevent the control light from being shined mistakenly on an inappropriate portion such as an eye ball.
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