JPS6027882A - 光学的検出装置 - Google Patents

光学的検出装置

Info

Publication number
JPS6027882A
JPS6027882A JP58134927A JP13492783A JPS6027882A JP S6027882 A JPS6027882 A JP S6027882A JP 58134927 A JP58134927 A JP 58134927A JP 13492783 A JP13492783 A JP 13492783A JP S6027882 A JPS6027882 A JP S6027882A
Authority
JP
Japan
Prior art keywords
signal
output
light
oscillation
light source
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
JP58134927A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0311673B2 (en, 2012
Inventor
Kenichi Iyama
井山　謙一
Toru Hosaka
保坂　透
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.)
Dowa Holdings Co Ltd
Original Assignee
Dowa Mining Co Ltd
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 Dowa Mining Co Ltd filed Critical Dowa Mining Co Ltd
Priority to JP58134927A priority Critical patent/JPS6027882A/ja
Priority to US06/526,873 priority patent/US4585940A/en
Priority to KR1019840002094A priority patent/KR900000689B1/ko
Publication of JPS6027882A publication Critical patent/JPS6027882A/ja
Publication of JPH0311673B2 publication Critical patent/JPH0311673B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • 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)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP58134927A 1983-07-23 1983-07-23 光学的検出装置 Granted JPS6027882A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP58134927A JPS6027882A (ja) 1983-07-23 1983-07-23 光学的検出装置
US06/526,873 US4585940A (en) 1983-07-23 1983-08-26 Optical detector
KR1019840002094A KR900000689B1 (ko) 1983-07-23 1984-04-20 광학 검출기

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58134927A JPS6027882A (ja) 1983-07-23 1983-07-23 光学的検出装置

Publications (2)

Publication Number Publication Date
JPS6027882A true JPS6027882A (ja) 1985-02-12
JPH0311673B2 JPH0311673B2 (en, 2012) 1991-02-18

Family

ID=15139796

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58134927A Granted JPS6027882A (ja) 1983-07-23 1983-07-23 光学的検出装置

Country Status (3)

Country Link
US (1) US4585940A (en, 2012)
JP (1) JPS6027882A (en, 2012)
KR (1) KR900000689B1 (en, 2012)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61198088A (ja) * 1985-02-28 1986-09-02 Fuji Electric Co Ltd 光電スイツチ
JPS61198093A (ja) * 1985-02-28 1986-09-02 Hokuyo Automatic Co 光電スイツチ
JPS61198089A (ja) * 1985-02-28 1986-09-02 Hokuyo Automatic Co 光電スイツチの検波回路
JPS61198084A (ja) * 1985-02-28 1986-09-02 Hokuyo Automatic Co 光電スイツチ
JPS6487U (en, 2012) * 1987-06-18 1989-01-05
US7404225B2 (en) 2000-08-08 2008-07-29 Lg Electronics Inc. Method and device for display use of washing machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5282066A (en) * 1975-12-27 1977-07-08 Omron Tateisi Electronics Co Circuit for photoelectric switch
JPS5770477A (en) * 1980-10-22 1982-04-30 Koito Ind Co Ltd Photoelectric type object detector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3842257A (en) * 1972-05-05 1974-10-15 Lingl H Anlagenau Und Verfahre Alternating light barrier
US4059762A (en) * 1976-05-17 1977-11-22 Beckman Instruments, Inc. Method and apparatus for determining accuracy of radiation measurements made in the presence of background radiation
US4434363A (en) * 1981-05-11 1984-02-28 Matsushita Electric Works, Ltd. Photoelectric switching apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5282066A (en) * 1975-12-27 1977-07-08 Omron Tateisi Electronics Co Circuit for photoelectric switch
JPS5770477A (en) * 1980-10-22 1982-04-30 Koito Ind Co Ltd Photoelectric type object detector

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61198088A (ja) * 1985-02-28 1986-09-02 Fuji Electric Co Ltd 光電スイツチ
JPS61198093A (ja) * 1985-02-28 1986-09-02 Hokuyo Automatic Co 光電スイツチ
JPS61198089A (ja) * 1985-02-28 1986-09-02 Hokuyo Automatic Co 光電スイツチの検波回路
JPS61198084A (ja) * 1985-02-28 1986-09-02 Hokuyo Automatic Co 光電スイツチ
JPS6487U (en, 2012) * 1987-06-18 1989-01-05
US7404225B2 (en) 2000-08-08 2008-07-29 Lg Electronics Inc. Method and device for display use of washing machine
US7503088B2 (en) 2000-08-08 2009-03-17 Lg Electronics Inc. Method and device for display use of washing machine

Also Published As

Publication number Publication date
US4585940A (en) 1986-04-29
KR900000689B1 (ko) 1990-02-03
JPH0311673B2 (en, 2012) 1991-02-18
KR850001428A (ko) 1985-03-18

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