JPS61176877A - 物体検出装置 - Google Patents

物体検出装置

Info

Publication number
JPS61176877A
JPS61176877A JP60018877A JP1887785A JPS61176877A JP S61176877 A JPS61176877 A JP S61176877A JP 60018877 A JP60018877 A JP 60018877A JP 1887785 A JP1887785 A JP 1887785A JP S61176877 A JPS61176877 A JP S61176877A
Authority
JP
Japan
Prior art keywords
light
circuit
signal
emitting element
light emitting
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP60018877A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0453273B2 (enrdf_load_html_response
Inventor
Yoshifumi Masuda
佳史 増田
Yoshihei Tani
谷　善平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP60018877A priority Critical patent/JPS61176877A/ja
Publication of JPS61176877A publication Critical patent/JPS61176877A/ja
Publication of JPH0453273B2 publication Critical patent/JPH0453273B2/ja
Granted legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP60018877A 1985-01-31 1985-01-31 物体検出装置 Granted JPS61176877A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60018877A JPS61176877A (ja) 1985-01-31 1985-01-31 物体検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60018877A JPS61176877A (ja) 1985-01-31 1985-01-31 物体検出装置

Publications (2)

Publication Number Publication Date
JPS61176877A true JPS61176877A (ja) 1986-08-08
JPH0453273B2 JPH0453273B2 (enrdf_load_html_response) 1992-08-26

Family

ID=11983780

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60018877A Granted JPS61176877A (ja) 1985-01-31 1985-01-31 物体検出装置

Country Status (1)

Country Link
JP (1) JPS61176877A (enrdf_load_html_response)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62264679A (ja) * 1986-05-12 1987-11-17 Teru Saamuko Kk フォトセンサの外乱光補償方法及びその回路
JP2008269971A (ja) * 2007-04-20 2008-11-06 Yokogawa Electric Corp 光学式対象物判別装置
EP2402793A3 (de) * 2010-07-02 2013-09-18 Pantron Instruments GmbH Verfahren zum gepulsten Betreiben einer Lichtschranke und Lichtschranke

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62264679A (ja) * 1986-05-12 1987-11-17 Teru Saamuko Kk フォトセンサの外乱光補償方法及びその回路
JP2008269971A (ja) * 2007-04-20 2008-11-06 Yokogawa Electric Corp 光学式対象物判別装置
EP2402793A3 (de) * 2010-07-02 2013-09-18 Pantron Instruments GmbH Verfahren zum gepulsten Betreiben einer Lichtschranke und Lichtschranke

Also Published As

Publication number Publication date
JPH0453273B2 (enrdf_load_html_response) 1992-08-26

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees