| 摘要 |
An optical distance measuring sensor has a plurality of light-emitting elements ( 51 - 55 ), a light-emitting lens ( 1 ), a photodetector ( 4 ) having a light-receiving surface, a light emission driving part ( 31 ) to sequentially drive the light-emitting elements, and a distance signal outputting part ( 31 ). Light emitted from each light-emitting element passes through the light-emitting lens, then is reflected by an object ( 32 ) to be detected, and then gets incident on the light-receiving surface of the photodetector, which outputs a signal corresponding to a position of the incident light in the light-receiving surface. Upon receipt of the signal, the distance signal outputting part outputs a distance signal representing a distance to the object.
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