DE69326428T2 - Photoelektrische Steuerungseinheit - Google Patents

Photoelektrische Steuerungseinheit

Info

Publication number
DE69326428T2
DE69326428T2 DE69326428T DE69326428T DE69326428T2 DE 69326428 T2 DE69326428 T2 DE 69326428T2 DE 69326428 T DE69326428 T DE 69326428T DE 69326428 T DE69326428 T DE 69326428T DE 69326428 T2 DE69326428 T2 DE 69326428T2
Authority
DE
Germany
Prior art keywords
control unit
photoelectric control
photoelectric
unit
control
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.)
Expired - Lifetime
Application number
DE69326428T
Other languages
English (en)
Other versions
DE69326428D1 (de
Inventor
Elik I Fooks
Patrick J Delaney
Philip E Johnson
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.)
Allen Bradley Co LLC
Original Assignee
Allen Bradley Co LLC
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 Allen Bradley Co LLC filed Critical Allen Bradley Co LLC
Application granted granted Critical
Publication of DE69326428D1 publication Critical patent/DE69326428D1/de
Publication of DE69326428T2 publication Critical patent/DE69326428T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/08—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding
    • H03K5/082—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold
    • H03K5/086—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold generated by feedback

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Nonlinear Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
DE69326428T 1992-12-30 1993-12-30 Photoelektrische Steuerungseinheit Expired - Lifetime DE69326428T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/998,976 US5281810A (en) 1992-12-30 1992-12-30 Photoelectric control unit adapted for determining its own operating margin having dual variable-gain amplifier

Publications (2)

Publication Number Publication Date
DE69326428D1 DE69326428D1 (de) 1999-10-21
DE69326428T2 true DE69326428T2 (de) 2000-01-05

Family

ID=25545730

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69326428T Expired - Lifetime DE69326428T2 (de) 1992-12-30 1993-12-30 Photoelektrische Steuerungseinheit

Country Status (3)

Country Link
US (1) US5281810A (de)
EP (1) EP0606015B1 (de)
DE (1) DE69326428T2 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5473314A (en) * 1992-07-20 1995-12-05 Nohmi Bosai, Ltd. High sensitivity smoke detecting apparatus using a plurality of sample gases for calibration
WO1994023366A2 (en) * 1993-04-02 1994-10-13 Echelon Corporation Power line communications analyzer
US5552765A (en) * 1993-07-12 1996-09-03 Detection Systems, Inc. Smoke detector with individually stored range of acceptable sensitivity
US5543777A (en) * 1993-07-12 1996-08-06 Detection Systems, Inc. Smoke detector with individual sensitivity calibration and monitoring
US5621205A (en) * 1994-11-10 1997-04-15 Tri-Tronics Company, Inc. Photoelectric sensor having an enhanced dynamic range control circuit
US5635911A (en) * 1995-05-11 1997-06-03 Dickey-John Corporation Apparatus and method for monitoring an article dispensing device such as a seed planter and the like
US5808296A (en) * 1996-03-22 1998-09-15 Banner Engineering Corporation Programmable detection sensor with means to automatically adjust sensor operating characteristics to optimize performance for both high gain and low contrast applications
JPH11234349A (ja) * 1998-02-17 1999-08-27 Fujitsu Ltd バーストパルス幅補償回路及びパルス幅補償方法
US6073427A (en) * 1998-06-11 2000-06-13 Nichols; Stephen W. Method and apparatus for counting crops
DE19945442A1 (de) * 1999-09-22 2001-04-05 Sick Ag Verfahren zum Betrieb eines optoelektronischen Kontrasttasters
EP2261694B1 (de) * 2000-01-14 2012-07-04 Keyence Corporation Photoelektrische Schaltvorrichtung
JP4674775B2 (ja) * 2000-01-21 2011-04-20 株式会社キーエンス 光電スイッチ
US6555806B2 (en) * 2001-02-02 2003-04-29 Keyence Corporation Photoelectric sensor having special display features
US6950778B2 (en) * 2001-06-21 2005-09-27 Tri-Tronics Company, Inc. Programmable photoelectric sensor and a system for adjusting the performance characteristics of the sensor
JP3669352B2 (ja) * 2002-09-11 2005-07-06 オムロン株式会社 光電センサ
US6914527B2 (en) * 2003-04-29 2005-07-05 Jui-Hung Hsu Infrared detector
JP4266180B2 (ja) * 2003-10-07 2009-05-20 株式会社キーエンス 光電センサ
US6920411B2 (en) * 2003-12-04 2005-07-19 Eaton Corporation Method for configuring an operational characteristic of a proximity sensor
KR100673483B1 (ko) * 2004-11-25 2007-01-24 한국전자통신연구원 멀티플라잉 디지털-아날로그 변환기 및 이를 이용하는다중 경로 파이프 라인 아날로그-디지털 변환기
US7232984B2 (en) * 2005-04-15 2007-06-19 Rockwell Automation Technologies, Inc. Sensor with improved gain-setting capability
US20080258928A1 (en) * 2007-03-30 2008-10-23 Gelbien Lawrence J Systems and methods for stray voltage detection
US8599031B2 (en) 2007-03-30 2013-12-03 Nstar Electric Company Systems and methods for stray voltage detection
JP5182307B2 (ja) * 2010-03-05 2013-04-17 オムロン株式会社 光電センサおよび光電センサの動作確認作業の支援方法
GB2479201B (en) * 2010-04-01 2013-04-10 Cp Electronics Ltd A device for controlling an electrical load
US8487272B2 (en) 2010-12-14 2013-07-16 Authentix, Inc. Fluorescence emissions detector
US9507049B2 (en) 2013-10-04 2016-11-29 Banner Engineering Object sensing using dynamic demodulation
CA3166946A1 (en) * 2020-02-19 2021-08-26 Photon Control Inc. Multi-channel programmable detection sensor
CN113495280B (zh) * 2020-04-07 2024-05-14 武汉万集光电技术有限公司 激光雷达测距信息的获取方法、装置、电子设备及存储介质

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2452794C3 (de) * 1974-11-07 1979-08-30 Philips Patentverwaltung Gmbh, 2000 Hamburg Automatische Pegeleinstellschaltung für voreinstellbare IR-Puls-Überwachungsgeräte mit getaktetem Empfänger
US4906832A (en) * 1988-01-13 1990-03-06 The Boeing Company Light sensitive activator
DE3804073C2 (de) * 1988-02-10 1994-07-07 Leuze Electronic Gmbh & Co Anordnung von mehreren, einen Sender und einen Empfänger enthaltenden Einrichtungen zum Erfassen von in den Weg zwischen Sende- und Empfangsbereich gelangenden Hindernissen
JPH062348Y2 (ja) * 1988-02-15 1994-01-19 オムロン株式会社 反射型光電スイッチ
JPH01257227A (ja) * 1988-04-06 1989-10-13 Chinon Ind Inc 光検知装置
US4879461A (en) * 1988-04-25 1989-11-07 Harald Philipp Energy field sensor using summing means
DE3931038A1 (de) * 1989-09-16 1991-03-28 Ottleben Bernd Lichtschranke

Also Published As

Publication number Publication date
EP0606015B1 (de) 1999-09-15
US5281810A (en) 1994-01-25
DE69326428D1 (de) 1999-10-21
EP0606015A1 (de) 1994-07-13

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