Title:
OBJECT DETECTION SENSOR
Document Type and Number:
WIPO Patent Application WO/2018/142896
Kind Code:
A1
Abstract:
This object detection sensor 1 is provided with: a plurality of light-emitting elements 101 which emit light obtained by converting a transmission signal; a single light-receiving element 102 for receiving light; signal transmission cables 103 which are provided for each of the light-emitting elements 101, and which transmit the transmission signal and output the transmission signal to the light-emitting elements 101; a signal transmission cable 104 for transmitting a reception signal indicating the light received by the light-receiving element 102; a selection unit 1083 for selecting the signal transmission cable 103 to output the transmission signal; a signal generation unit 1084 for generating the transmission signal; a switching unit 106 which outputs the generated transmission signal to the selected signal transmission cable 103; and an object detection unit 1086 which detects the presence of an object on the basis of the reception signal transmitted by the signal transmission cable 104.
Inventors:
KOSHI TOSHIKI (JP)
NOHARA ISAO (JP)
IIJIMA SHINJI (JP)
NOHARA ISAO (JP)
IIJIMA SHINJI (JP)
Application Number:
PCT/JP2018/000813
Publication Date:
August 09, 2018
Filing Date:
January 15, 2018
Export Citation:
Assignee:
AZBIL CORP (JP)
International Classes:
G01V8/20; H01H35/00; H03K17/78
Foreign References:
JPH05297150A | 1993-11-12 | |||
JPS604877A | 1985-01-11 | |||
JPH02135632A | 1990-05-24 | |||
JPH01120122A | 1989-05-12 | |||
JP2015162386A | 2015-09-07 | |||
JPS594487U | 1984-01-12 | |||
JP2009124666A | 2009-06-04 | |||
JPH09288940A | 1997-11-04 | |||
US5168163A | 1992-12-01 |
Attorney, Agent or Firm:
TAZAWA, Hideaki et al. (JP)
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