| 摘要 |
An operating apparatus has a ring body to be mounted on a human body so that an irradiation light emitted from LED is irradiated to a part of the human body of an operator and a plurality of photodetectors configured to receive scattering light or transmission light irradiated to a part of the human body at an irradiation portion, and on the basis of a combination of a light receiving result of the irradiation light at these plurality of photodetectors, an operation signal corresponding to an operation state of the operator is outputted.
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