WO2008081550A1 - Sensor child station system - Google Patents

Sensor child station system Download PDF

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Publication number
WO2008081550A1
WO2008081550A1 PCT/JP2006/326275 JP2006326275W WO2008081550A1 WO 2008081550 A1 WO2008081550 A1 WO 2008081550A1 JP 2006326275 W JP2006326275 W JP 2006326275W WO 2008081550 A1 WO2008081550 A1 WO 2008081550A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
sensor
checked
detected
child station
Prior art date
Application number
PCT/JP2006/326275
Other languages
French (fr)
Japanese (ja)
Inventor
Yoshitane Saitou
Kenji Nishikido
Original Assignee
Anywire Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anywire Corporation filed Critical Anywire Corporation
Priority to JP2008552007A priority Critical patent/JP4717121B2/en
Priority to PCT/JP2006/326275 priority patent/WO2008081550A1/en
Publication of WO2008081550A1 publication Critical patent/WO2008081550A1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
    • G01V8/14—Detecting, e.g. by using light barriers using one transmitter and one receiver using reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

[PROBLEMS] To solve problems of a system operation based on an inaccurate judgment in diagnosis of a sensor failure or disconnection and troubles including a malfunction when an object to be checked is at a shifted position. [MEANS FOR SOLVING PROBLEMS] A sensor child station system uses a reflector arranged in a state capable of detecting a predetermined one of sensor child stations for detecting presence/absence of an object to be checked in a control sensor system which transfers a monitor signal and a control signal. Moreover, the predetermined sensor child station makes a sensor signal which has redetected the reflector to be a first signal and a reflection signal which has detected and is reflected from the object to be checked and which has a different level from the first signal to be a second signal. The sensor child stations judge whether a signal is the first signal or the second signal according to the signal intensity level. If the second signal is detected, it is detected whether an object to be checked is present. If the first signal is not detected, it is judged that a sensor system failure has occurred.
PCT/JP2006/326275 2006-12-28 2006-12-28 Sensor child station system WO2008081550A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008552007A JP4717121B2 (en) 2006-12-28 2006-12-28 Sensor slave station system
PCT/JP2006/326275 WO2008081550A1 (en) 2006-12-28 2006-12-28 Sensor child station system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2006/326275 WO2008081550A1 (en) 2006-12-28 2006-12-28 Sensor child station system

Publications (1)

Publication Number Publication Date
WO2008081550A1 true WO2008081550A1 (en) 2008-07-10

Family

ID=39588240

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/326275 WO2008081550A1 (en) 2006-12-28 2006-12-28 Sensor child station system

Country Status (2)

Country Link
JP (1) JP4717121B2 (en)
WO (1) WO2008081550A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4472784B1 (en) * 2009-02-10 2010-06-02 株式会社 エニイワイヤ Photoelectric sensor and photoelectric sensor system
JP2010223776A (en) * 2009-03-24 2010-10-07 Anywire:Kk Photoelectric sensor and photoelectric sensor system
EP2273288A1 (en) * 2009-07-07 2011-01-12 Anywire Corporation Photoelectronic Sensor System
JP2013083615A (en) * 2011-10-12 2013-05-09 Kyokko Denki Kk Object detection apparatus capable of freely setting detection range
TWI400471B (en) * 2010-03-18 2013-07-01 Anywire Corp Optoelectronic sensor and optoelectronic sensor system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5359451A (en) * 1976-11-10 1978-05-29 Nippon Steel Corp Abnormality diagnosis method of reflected light type measuring apparatus
JPS5899679U (en) * 1981-12-26 1983-07-06 株式会社東芝 optical detection device
JPH07113876A (en) * 1993-10-14 1995-05-02 Kokusai Electric Co Ltd Glass board detector
JPH09288764A (en) * 1996-04-19 1997-11-04 Shinko Metsukusu Kk Automatic vending machine
JP2005043195A (en) * 2003-07-28 2005-02-17 Canon Inc Inspection device, device using inspection device, control method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5859451A (en) * 1981-10-05 1983-04-08 Canon Inc Electrophotographic receptor
JPS5899679A (en) * 1981-12-08 1983-06-14 松下冷機株式会社 Refrigerator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5359451A (en) * 1976-11-10 1978-05-29 Nippon Steel Corp Abnormality diagnosis method of reflected light type measuring apparatus
JPS5899679U (en) * 1981-12-26 1983-07-06 株式会社東芝 optical detection device
JPH07113876A (en) * 1993-10-14 1995-05-02 Kokusai Electric Co Ltd Glass board detector
JPH09288764A (en) * 1996-04-19 1997-11-04 Shinko Metsukusu Kk Automatic vending machine
JP2005043195A (en) * 2003-07-28 2005-02-17 Canon Inc Inspection device, device using inspection device, control method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4472784B1 (en) * 2009-02-10 2010-06-02 株式会社 エニイワイヤ Photoelectric sensor and photoelectric sensor system
WO2010092617A1 (en) * 2009-02-10 2010-08-19 株式会社エニイワイヤ Photoelectronic sensor and photoelectronic sensor system
CN102105817A (en) * 2009-02-10 2011-06-22 株式会社恩尼怀尔 Photoelectronic sensor and photoelectronic sensor system
KR101165943B1 (en) 2009-02-10 2012-07-18 애니와이어 가부시키가이샤 Photo electric sensor and photo electric sensor system
US8648320B2 (en) 2009-02-10 2014-02-11 Anywire Corporation Photoelectric sensor and photoelectric sensor system for comparing received light levels to detect objects
JP2010223776A (en) * 2009-03-24 2010-10-07 Anywire:Kk Photoelectric sensor and photoelectric sensor system
EP2273288A1 (en) * 2009-07-07 2011-01-12 Anywire Corporation Photoelectronic Sensor System
TWI400471B (en) * 2010-03-18 2013-07-01 Anywire Corp Optoelectronic sensor and optoelectronic sensor system
JP2013083615A (en) * 2011-10-12 2013-05-09 Kyokko Denki Kk Object detection apparatus capable of freely setting detection range

Also Published As

Publication number Publication date
JP4717121B2 (en) 2011-07-06
JPWO2008081550A1 (en) 2010-04-30

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