DE69716686T2 - Lichtschranke - Google Patents
LichtschrankeInfo
- Publication number
- DE69716686T2 DE69716686T2 DE69716686T DE69716686T DE69716686T2 DE 69716686 T2 DE69716686 T2 DE 69716686T2 DE 69716686 T DE69716686 T DE 69716686T DE 69716686 T DE69716686 T DE 69716686T DE 69716686 T2 DE69716686 T2 DE 69716686T2
- Authority
- DE
- Germany
- Prior art keywords
- photoelectric barrier
- photoelectric
- barrier
- 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 - Fee Related
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
-
- 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
-
- 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
- G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers
-
- 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
- G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers
- G01V8/26—Detecting, e.g. by using light barriers using multiple transmitters or receivers using mechanical scanning systems
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Mechanical Optical Scanning Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5176896 | 1996-03-08 | ||
PCT/JP1997/000742 WO1997033186A1 (fr) | 1996-03-08 | 1997-03-10 | Barriere optique |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69716686D1 DE69716686D1 (de) | 2002-12-05 |
DE69716686T2 true DE69716686T2 (de) | 2003-06-12 |
Family
ID=12896138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69716686T Expired - Fee Related DE69716686T2 (de) | 1996-03-08 | 1997-03-10 | Lichtschranke |
Country Status (4)
Country | Link |
---|---|
US (4) | US6046834A (de) |
EP (1) | EP0825458B1 (de) |
DE (1) | DE69716686T2 (de) |
WO (1) | WO1997033186A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4531178B2 (ja) * | 2000-01-06 | 2010-08-25 | 日本信号株式会社 | 光バリア装置 |
KR100390151B1 (ko) * | 2001-01-15 | 2003-07-04 | 이완구 | 플라스틱 광섬유로 직조된 망을 이용한 창호용 광침입자감지장치 |
JP4428874B2 (ja) * | 2001-03-12 | 2010-03-10 | キヤノン株式会社 | シート検知装置 |
CN100477467C (zh) * | 2003-03-12 | 2009-04-08 | 三菱电机株式会社 | 电动机控制装置 |
US7106483B2 (en) * | 2003-06-12 | 2006-09-12 | Ricoh Company, Limited | Optical scanner and image forming apparatus |
JP2005249834A (ja) | 2004-03-01 | 2005-09-15 | Canon Inc | 光走査装置及びそれを有する画像表示装置 |
WO2008121870A1 (en) * | 2007-03-29 | 2008-10-09 | Arizona Public Service Company | System for supporting energy conversion modules |
WO2010151362A1 (en) * | 2009-04-16 | 2010-12-29 | Columbia University | Optical barrier to pests |
US9944541B2 (en) | 2011-09-21 | 2018-04-17 | The Trustees Of Columbia University In The City Of New York | System for cleansing organisms from water |
DE102011083757A1 (de) * | 2011-09-29 | 2013-04-04 | Krones Aktiengesellschaft | Triggerlichtgitter und Verfahren zur Positionsbestimmung von Behältern |
JP6094105B2 (ja) * | 2012-09-13 | 2017-03-15 | セイコーエプソン株式会社 | アクチュエーター、光スキャナー、画像表示装置、ヘッドマウントディスプレイ |
US9060777B1 (en) | 2014-05-28 | 2015-06-23 | Tw Medical Technologies, Llc | Vaso-occlusive devices and methods of use |
ITMI20150028U1 (it) * | 2015-02-10 | 2016-08-10 | Atom Spa | Barriera fotoelettrica perfezionata di sicurezza, specie per macchine di taglio |
US10729124B2 (en) | 2016-01-04 | 2020-08-04 | The Trustees Of Columbia University In The City Of New York | Apparatus to effect an optical barrier to pests |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3120654A (en) * | 1959-11-05 | 1964-02-04 | Dehavilland Aircraft | Narrow beam radiation scanned pattern alarm system |
DE1221927B (de) * | 1964-05-06 | 1966-07-28 | Sick Erwin | Lichtschranke, insbesondere Unfallschutzvorrichtung |
DE2157815C3 (de) * | 1971-11-22 | 1978-04-13 | Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch | Gerät zur Erzeugung eines Lichtvorhanges |
DE2851444C2 (de) * | 1978-11-28 | 1983-05-26 | Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch | Lichtgitter |
US4239961A (en) * | 1979-01-23 | 1980-12-16 | Theodore Lasar | Photoelectric light curtain using retroreflector |
JPS5760204A (en) * | 1980-09-30 | 1982-04-12 | Hideyoshi Tominaga | Detecting method for position of obstacle |
JPS58147671A (ja) * | 1982-02-26 | 1983-09-02 | Toshiba Corp | レ−ザ形光電子スイツチシステム |
JPH0669274B2 (ja) * | 1984-04-19 | 1994-08-31 | 日本信号株式会社 | 負荷駆動用スイッチ回路の監視装置 |
JPH0746708B2 (ja) | 1986-07-29 | 1995-05-17 | イビデン株式会社 | 半導体搭載用基板およびその製造方法 |
JPS6334962A (ja) | 1986-07-30 | 1988-02-15 | Hitachi Ltd | パツケ−ジ構造体 |
JPS63273031A (ja) * | 1987-04-30 | 1988-11-10 | Osaka Hoki Seisakusho:Kk | 密封容器等の不良検査方法 |
US4855608A (en) * | 1987-06-12 | 1989-08-08 | Peterson Ii William D | Laser curtain having an array of parabolic mirrors each focusing radiation on a corresponding detector positioned in mirror's focal point |
JP2896157B2 (ja) * | 1989-03-30 | 1999-05-31 | 株式会社東芝 | ビーム光走査装置 |
JP2983088B2 (ja) * | 1991-08-31 | 1999-11-29 | キヤノン株式会社 | 光偏向器アレイ |
EP0594852B1 (de) * | 1992-05-15 | 1998-08-05 | The Nippon Signal Co. Ltd. | Eigensichere abtastschaltung und sensor des typs mit strahlen mit mehreren optischen achsen |
EP0646797B1 (de) * | 1993-03-31 | 1998-05-27 | The Nippon Signal Co. Ltd. | Schaltung zur Überwachung der Drehung eines Motors sowie Vorrichtung mit einer solchen Schaltungzur Bestätigung des Anhaltens eines Motors |
DE69315071T2 (de) * | 1993-03-31 | 1998-03-26 | Nippon Signal Co Ltd | Einschaltverzögerungsschaltung |
EP0675376B1 (de) * | 1993-10-12 | 1998-01-07 | The Nippon Signal Co. Ltd. | Ausfallgesicherter optischer vielfachachsen-lichtstrahlsensor |
US5629790A (en) * | 1993-10-18 | 1997-05-13 | Neukermans; Armand P. | Micromachined torsional scanner |
JPH08220453A (ja) * | 1995-02-16 | 1996-08-30 | Nippon Signal Co Ltd:The | バンドパスフィルタ |
DE19604337A1 (de) * | 1996-02-07 | 1997-08-14 | Cms Mikrosysteme Gmbh Chemnitz | Anordnung zur Erzeugung einer Lichtwand |
FR2746190B1 (fr) * | 1996-03-12 | 1998-05-22 | Barriere photoelectrique a rayons multiples |
-
1997
- 1997-03-10 US US08/930,077 patent/US6046834A/en not_active Expired - Fee Related
- 1997-03-10 EP EP97906865A patent/EP0825458B1/de not_active Expired - Lifetime
- 1997-03-10 WO PCT/JP1997/000742 patent/WO1997033186A1/ja active IP Right Grant
- 1997-03-10 DE DE69716686T patent/DE69716686T2/de not_active Expired - Fee Related
-
2000
- 2000-03-30 US US09/538,758 patent/US6178027B1/en not_active Expired - Fee Related
- 2000-03-30 US US09/539,027 patent/US6185028B1/en not_active Expired - Fee Related
- 2000-03-30 US US09/538,415 patent/US6246503B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1997033186A1 (fr) | 1997-09-12 |
EP0825458B1 (de) | 2002-10-30 |
US6246503B1 (en) | 2001-06-12 |
EP0825458A4 (de) | 1998-07-01 |
EP0825458A1 (de) | 1998-02-25 |
DE69716686D1 (de) | 2002-12-05 |
US6046834A (en) | 2000-04-04 |
US6185028B1 (en) | 2001-02-06 |
US6178027B1 (en) | 2001-01-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |