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Title:
PHOTOELECTRIC SENSOR
Document Type and Number:
Japanese Patent JP2018124139
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To detect the presence/absence of an object without using an optical fiber.SOLUTION: A photoelectric sensor comprises: a plurality of light emitting elements 101 that emit light according to transmission signals; light receiving elements 102 that are provided to be paired with the light emitting elements 101 and receive light; signal transmission cables 103 that are provided respectively for the light emitting elements 101 and transmit the transmission signals to be output to the light emitting elements 101; signal transmission cables 104 that are provided respectively for the light receiving elements 102 and transmit receiving signals indicating the light received by the light receiving elements 102; signal creation parts 1073 that are provided respectively for the signal transmission cables 103 and create transmission signals to be output to the corresponding signal transmission cables 103; a selection part 1074 that selects the signal transmission part 1073 to be operated; and an object detection part 1076 that detects the presence/absence of an object on the basis of the receiving signals transmitted through the signal transmission cables 104.SELECTED DRAWING: Figure 1

Inventors:
KOSHI TOSHIKI
NOHARA ISAO
IIJIMA SHINJI
Application Number:
JP2017015564A
Publication Date:
August 09, 2018
Filing Date:
January 31, 2017
Export Citation:
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Assignee:
AZBIL CORP
International Classes:
G01V8/20; H01H35/00
Attorney, Agent or Firm:
Hideaki Tazawa
Hamada Hatsune
Nakashima Shigeru
Tatsuya Sakamoto
Tsujioka Masaaki
Kazuma Inoue