Title:
PHOTOELECTRIC SWITCH AND METHOD FOR SETTING SENSITIVITY OF PHOTOELECTRIC SWITCH
Document Type and Number:
Japanese Patent JP3328954
Kind Code:
B2
Abstract:
PURPOSE: To set the hysteresis of a photoelectric switch having response difference in accordance with the detection range of an object in the photoelectric switch.
CONSTITUTION: A projecting level is continuously changed by an operation from an operating part in a state where the object to be detected are arranged at the both ends of the detection range. Then, the inversion level of a comparator 23 is detected. A same processing is executed by arranging the object at the other end of the detection range so that the projecting levels at the time of ON and OFF are held in a memory 15. Based on the difference, the projecting levels when the object is detected and not detected are set by a projecting level setting means 14c.
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Inventors:
Tetsuya Akagi
Application Number:
JP13595292A
Publication Date:
September 30, 2002
Filing Date:
April 27, 1992
Export Citation:
Assignee:
Omron Corporation
International Classes:
H03K17/78; (IPC1-7): H03K17/78
Domestic Patent References:
| JP360517A | ||||
| JP3123119A | ||||
| JP3190419A | ||||
| JP1288012A | ||||
| JP227215A | ||||
| JP540896U |
Attorney, Agent or Firm:
Yoshiki Okamoto (1 person outside)