| 摘要 |
PROBLEM TO BE SOLVED: To provide a photoelectric sensor, a driving method for the same, and a photoelectric sensor system which can provide a fast-response by shortening the overall light projecting period even when a photoelectric sensor system is configured by a plurality of photoelectric sensors. SOLUTION: A photoelectric sensor has a light projecting member and a light receiving member. When these members detect an object by light projecting operations in sequence, a light projecting member is driven at a former photoelectric sensor, and another light projecting member is driven at another photoelectric sensor which is disposed apart from the former photoelectric sensor, and which is not involved in mutual interference with the former photoelectric sensor.
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