JPH01122632U - - Google Patents
Info
- Publication number
- JPH01122632U JPH01122632U JP1988018535U JP1853588U JPH01122632U JP H01122632 U JPH01122632 U JP H01122632U JP 1988018535 U JP1988018535 U JP 1988018535U JP 1853588 U JP1853588 U JP 1853588U JP H01122632 U JPH01122632 U JP H01122632U
- Authority
- JP
- Japan
- Prior art keywords
- light
- photoelectric switch
- infrared
- red
- receiving element
- 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
Links
- 238000001514 detection method Methods 0.000 claims abstract 5
- 230000001373 regressive effect Effects 0.000 claims 1
- 230000011514 reflex Effects 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 7
- 230000035945 sensitivity Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
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
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Electronic Switches (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Geophysics And Detection Of Objects (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Laminated Bodies (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988018535U JPH062348Y2 (ja) | 1988-02-15 | 1988-02-15 | 反射型光電スイッチ |
| DE8989102523T DE68901868T2 (de) | 1988-02-15 | 1989-02-14 | Photoelektrisches schaltgeraet vom reflektionstyp. |
| AT89102523T ATE77703T1 (de) | 1988-02-15 | 1989-02-14 | Photoelektrisches schaltgeraet vom reflektionstyp. |
| ES198989102523T ES2034421T3 (es) | 1988-02-15 | 1989-02-14 | Aparato de conmutacion fotoelectrica del tipo de reflexion. |
| EP89102523A EP0329083B1 (en) | 1988-02-15 | 1989-02-14 | Photoelectric switching apparatus of reflection type |
| US07/551,046 US5008529A (en) | 1988-02-15 | 1990-07-06 | Photoelectric switching apparatus of reflection type projecting red and infrared light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988018535U JPH062348Y2 (ja) | 1988-02-15 | 1988-02-15 | 反射型光電スイッチ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01122632U true JPH01122632U (US20100012521A1-20100121-C00001.png) | 1989-08-21 |
| JPH062348Y2 JPH062348Y2 (ja) | 1994-01-19 |
Family
ID=11974325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988018535U Expired - Lifetime JPH062348Y2 (ja) | 1988-02-15 | 1988-02-15 | 反射型光電スイッチ |
Country Status (6)
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0438406A (ja) * | 1990-06-04 | 1992-02-07 | Sumitomo Rubber Ind Ltd | 球状飛行物体位置測定装置及びその測定方法 |
| WO1992019990A1 (fr) * | 1991-05-07 | 1992-11-12 | Belgian Electronic Research, B.E.R., S.A. | Dispositif de detection autoreglable et autoadaptatif |
| US5210406A (en) * | 1991-06-10 | 1993-05-11 | Beran Mark A | Presence detector housing and mount |
| US5179274A (en) * | 1991-07-12 | 1993-01-12 | Texas Instruments Incorporated | Method for controlling operation of optical systems and devices |
| DE4221113C1 (de) * | 1992-06-26 | 1993-12-09 | Sick Optik Elektronik Erwin | Komparatorschaltung zur Auslösung eines Schaltvorganges beim Durchgang eines veränderlichen Meßsignals durch eine Schaltschwelle |
| US5281810A (en) * | 1992-12-30 | 1994-01-25 | Allen-Bradley Company, Inc. | Photoelectric control unit adapted for determining its own operating margin having dual variable-gain amplifier |
| US5594238A (en) * | 1995-02-17 | 1997-01-14 | Albert J. Endruschat | Touchless switch which discriminates between motion intended to toggle the switch and other forms of motion |
| DE19515365C2 (de) * | 1995-05-02 | 1997-11-20 | Deutsche Forsch Luft Raumfahrt | Faseroptische Lichtschranke |
| CN1154139C (zh) * | 1996-02-21 | 2004-06-16 | 和泉电气株式会社 | 光电开关器件及开关方法 |
| US5828320A (en) * | 1997-09-26 | 1998-10-27 | Trigg Industries, Inc. | Vehicle overheight detector device and method |
| US5977878A (en) * | 1997-10-02 | 1999-11-02 | Lang; Robert K. | Control switch apparatus operable by an object placed adjacent thereto and spaced therefrom |
| FR2792732B1 (fr) * | 1999-04-23 | 2001-06-08 | Schneider Electric Sa | Cellule optique bichromatique |
| JP4674775B2 (ja) * | 2000-01-21 | 2011-04-20 | 株式会社キーエンス | 光電スイッチ |
| DE10131685A1 (de) * | 2001-06-29 | 2003-01-16 | Sick Ag | Optoelektronischer Sensor |
| US6946643B1 (en) * | 2003-01-17 | 2005-09-20 | Banner Engineering Corporation | Retro-reflective photoelectric sensor |
| DE102007028117A1 (de) * | 2007-06-19 | 2008-12-24 | Pepperl + Fuchs Gmbh | Verfahren und optischer Sensor zum Nachweis von Objekten im Bereich einer sicherheitsmäßig zu überwachenden Einrichtung, Computerprogramm und Computerprogrammprodukt |
| JP4647004B2 (ja) * | 2008-11-25 | 2011-03-09 | シャープ株式会社 | 光検出半導体装置およびモバイル機器 |
| US20110012019A1 (en) * | 2009-07-14 | 2011-01-20 | Lan-Rong Dung | Mirror switch apparatus |
| EP3588811B1 (en) | 2015-05-18 | 2021-04-21 | Lasermotive, Inc. | Multi-layered safety system |
| DE102015111379A1 (de) | 2015-07-14 | 2017-01-19 | Sick Ag | Optoelektronischer Sensor |
| DE102016122808A1 (de) * | 2016-11-25 | 2018-05-30 | Pepperl + Fuchs Gmbh | Optische Sende-/Empfangsvorrichtung |
| US10393918B2 (en) | 2017-03-28 | 2019-08-27 | Banner Engineering Corp. | Retro-reflective sensor with multiple detectors |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4057146A (en) * | 1974-05-24 | 1977-11-08 | Xeltron, S.A. | Optical sorting apparatus |
| US4309604A (en) * | 1978-07-24 | 1982-01-05 | Sharp Kabushiki Kaisha | Apparatus for sensing the wavelength and intensity of light |
| US4224608A (en) * | 1978-11-13 | 1980-09-23 | Detection Systems, Inc. | Single terminal detection system |
| FR2442457A1 (fr) * | 1978-11-27 | 1980-06-20 | Optel | Dispositif photoelectrique a double faisceau et systeme reflechissant selectif |
| CA1187959A (en) * | 1981-11-06 | 1985-05-28 | Kalervo Virtanen | Signalling device for vehicles |
| DE3237035C1 (de) * | 1982-10-06 | 1984-01-26 | Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch | Reflexionslichtschranke |
| JPS59119628A (ja) * | 1982-12-25 | 1984-07-10 | オムロン株式会社 | 反射形光電スイツチ |
| JPH07115773B2 (ja) * | 1986-01-29 | 1995-12-13 | 株式会社ニコン | 基板搬送装置 |
| US4822996A (en) * | 1986-04-03 | 1989-04-18 | King-Seeley Thermos Company | Ice bin level sensor with time delay |
| JP2603616B2 (ja) * | 1986-06-02 | 1997-04-23 | オムロン株式会社 | 反射型光電スイツチ |
| US4947036A (en) * | 1986-10-03 | 1990-08-07 | Conax Buffalo Corporation | Self-monitoring optical sensor having a ratiometric output signal |
| JP2574780B2 (ja) * | 1986-12-26 | 1997-01-22 | オムロン株式会社 | 反射型光電スイッチ |
-
1988
- 1988-02-15 JP JP1988018535U patent/JPH062348Y2/ja not_active Expired - Lifetime
-
1989
- 1989-02-14 ES ES198989102523T patent/ES2034421T3/es not_active Expired - Lifetime
- 1989-02-14 EP EP89102523A patent/EP0329083B1/en not_active Expired - Lifetime
- 1989-02-14 AT AT89102523T patent/ATE77703T1/de not_active IP Right Cessation
- 1989-02-14 DE DE8989102523T patent/DE68901868T2/de not_active Expired - Fee Related
-
1990
- 1990-07-06 US US07/551,046 patent/US5008529A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE68901868T2 (de) | 1993-01-14 |
| ATE77703T1 (de) | 1992-07-15 |
| EP0329083B1 (en) | 1992-06-24 |
| US5008529A (en) | 1991-04-16 |
| ES2034421T3 (es) | 1993-04-01 |
| EP0329083A3 (en) | 1990-02-14 |
| JPH062348Y2 (ja) | 1994-01-19 |
| DE68901868D1 (de) | 1992-07-30 |
| EP0329083A2 (en) | 1989-08-23 |
