ATE136703T1 - Photoelektrischer schalter - Google Patents

Photoelektrischer schalter

Info

Publication number
ATE136703T1
ATE136703T1 AT90101416T AT90101416T ATE136703T1 AT E136703 T1 ATE136703 T1 AT E136703T1 AT 90101416 T AT90101416 T AT 90101416T AT 90101416 T AT90101416 T AT 90101416T AT E136703 T1 ATE136703 T1 AT E136703T1
Authority
AT
Austria
Prior art keywords
light
light projecting
projecting element
photoelectric switch
change
Prior art date
Application number
AT90101416T
Other languages
English (en)
Inventor
Fumihiko C O Omron Corp Misumi
Shi
Masazumi C O Omron Corp I Ueda
Masato C O Omron Corp Int Hara
Yutaka C O Omron Corp I Matsui
Kiyoshi C O Omron Corp In Imai
Original Assignee
Omron Tateisi Electronics Co
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
Priority claimed from JP2466089A external-priority patent/JP2893590B2/ja
Application filed by Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Application granted granted Critical
Publication of ATE136703T1 publication Critical patent/ATE136703T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/502—LED transmitters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Electronic Switches (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
AT90101416T 1989-01-25 1990-01-24 Photoelektrischer schalter ATE136703T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1577289 1989-01-25
JP2466089A JP2893590B2 (ja) 1989-02-01 1989-02-01 光ファイバ式光電スイッチ

Publications (1)

Publication Number Publication Date
ATE136703T1 true ATE136703T1 (de) 1996-04-15

Family

ID=26351977

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90101416T ATE136703T1 (de) 1989-01-25 1990-01-24 Photoelektrischer schalter

Country Status (5)

Country Link
US (1) US5026978A (de)
EP (1) EP0380078B1 (de)
AT (1) ATE136703T1 (de)
DE (1) DE69026399T2 (de)
SG (1) SG52304A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3931038A1 (de) * 1989-09-16 1991-03-28 Ottleben Bernd Lichtschranke
JPH03276782A (ja) * 1990-03-27 1991-12-06 Matsushita Electric Ind Co Ltd パルス光源
EP0753939A1 (de) * 1990-05-11 1997-01-15 Idec Izumi Corporation Photoelektrischer Schalterstromkreis
JP2003282937A (ja) * 2002-01-15 2003-10-03 Keyence Corp 光電センサ装置
US8368636B2 (en) * 2007-09-21 2013-02-05 Point Somee Limited Liability Company Regulation of wavelength shift and perceived color of solid state lighting with intensity variation
US8253666B2 (en) 2007-09-21 2012-08-28 Point Somee Limited Liability Company Regulation of wavelength shift and perceived color of solid state lighting with intensity and temperature variation
US8264448B2 (en) 2007-09-21 2012-09-11 Point Somee Limited Liability Company Regulation of wavelength shift and perceived color of solid state lighting with temperature variation
US7800315B2 (en) * 2007-09-21 2010-09-21 Exclara, Inc. System and method for regulation of solid state lighting
JP2010118721A (ja) * 2008-11-11 2010-05-27 Nisca Corp 画像読取装置
JP5349185B2 (ja) * 2009-07-24 2013-11-20 株式会社キーエンス 光電センサ及び光電センサシステム
CN103378835A (zh) * 2012-04-28 2013-10-30 鸿富锦精密工业（深圳）有限公司 光电开关控制电路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524986A (en) * 1967-02-06 1970-08-18 Gen Electric Semiconductor light gating of light activated semiconductor power control circuits
US3655988A (en) * 1968-12-11 1972-04-11 Sharp Kk Negative resistance light emitting switching devices
JPS56123125A (en) * 1980-03-04 1981-09-28 Toshiba Corp Photoelectric detector
US4449043A (en) * 1981-10-30 1984-05-15 The United States Of America As Represented By The Secretary Of The Air Force Optical power source control system
US4621376A (en) * 1983-04-28 1986-11-04 Kabushiki Kaisha Toshiba Driving apparatus for stabilizing burst light output
US4733398A (en) * 1985-09-30 1988-03-22 Kabushiki Kaisha Tohsiba Apparatus for stabilizing the optical output power of a semiconductor laser
US4916689A (en) * 1987-12-29 1990-04-10 Eaton Corporation Communications apparatus for encoding and decoding multiplexed optical signal

Also Published As

Publication number Publication date
DE69026399T2 (de) 1996-12-05
EP0380078A3 (de) 1991-07-03
US5026978A (en) 1991-06-25
EP0380078B1 (de) 1996-04-10
DE69026399D1 (de) 1996-05-15
EP0380078A2 (de) 1990-08-01
SG52304A1 (en) 1998-09-28

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties