Photoelectric sensor
A photoelectric sensor and a technology for detecting light, applied in the field of photoelectric sensors, can solve the problems of photoelectric sensor light-emitting elements, light-receiving elements, resistance differences, etc.
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[0021] Next, a photoelectric sensor 1 according to an embodiment of the present invention will be described with reference to the drawings. The photoelectric sensor 1 is a retroreflective photoelectric sensor used in combination with a retroreflective member 2 . figure 1 It is an overall structural diagram of the photoelectric sensor 1.
[0022] Such as figure 1 As shown, the photoelectric sensor 1 has a light projecting unit 21 , a light receiving unit 22 , a determination unit 23 , a sensitivity parameter adjustment unit 25 , a storage unit 28 , an output circuit 29 , a target ratio setting unit 31 , an adjustment button 32 and an indicator 33 . figure 2 It is a detailed configuration diagram of the light projecting unit 21 , the light receiving unit 22 , the first adjustment unit 41 , the second adjustment unit 42 , the determination unit 23 and the storage unit 28 .
[0023] The light projecting unit 1 emits detection light A for detecting a detection target object 6 pr...
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Abstract
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