DE69820573D1 - Arrangement for absorbing and / or scattering stray light in an optical motion detector - Google Patents

Arrangement for absorbing and / or scattering stray light in an optical motion detector

Info

Publication number
DE69820573D1
DE69820573D1 DE69820573T DE69820573T DE69820573D1 DE 69820573 D1 DE69820573 D1 DE 69820573D1 DE 69820573 T DE69820573 T DE 69820573T DE 69820573 T DE69820573 T DE 69820573T DE 69820573 D1 DE69820573 D1 DE 69820573D1
Authority
DE
Germany
Prior art keywords
absorbing
arrangement
stray light
motion detector
optical motion
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
DE69820573T
Other languages
German (de)
Other versions
DE69820573T2 (en
Inventor
David I Mckenney
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.)
Honeywell Inc
Original Assignee
Honeywell Inc
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 US09/047,425 external-priority patent/US6121876A/en
Application filed by Honeywell Inc filed Critical Honeywell Inc
Publication of DE69820573D1 publication Critical patent/DE69820573D1/en
Application granted granted Critical
Publication of DE69820573T2 publication Critical patent/DE69820573T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
    • G08B13/193—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems using focusing means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Catching Or Destruction (AREA)
  • Burglar Alarm Systems (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
DE69820573T 1997-11-25 1998-06-15 Arrangement for absorbing and / or scattering stray light in an optical motion detector Expired - Lifetime DE69820573T2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US47425 1979-06-11
US6629097P 1997-11-25 1997-11-25
US66290P 1997-11-25
US09/047,425 US6121876A (en) 1998-03-24 1998-03-24 System for absorbing and or scattering superfluous radiation in an optical motion sensor

Publications (2)

Publication Number Publication Date
DE69820573D1 true DE69820573D1 (en) 2004-01-29
DE69820573T2 DE69820573T2 (en) 2004-09-30

Family

ID=26725003

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69820573T Expired - Lifetime DE69820573T2 (en) 1997-11-25 1998-06-15 Arrangement for absorbing and / or scattering stray light in an optical motion detector

Country Status (6)

Country Link
EP (1) EP0919970B1 (en)
JP (1) JPH11232564A (en)
CN (1) CN1161725C (en)
AU (1) AU744055B2 (en)
CA (1) CA2236813C (en)
DE (1) DE69820573T2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2345130A (en) * 1998-12-22 2000-06-28 Pyronix Ltd Intruder sensor housing
KR100635843B1 (en) * 2000-03-16 2006-10-18 오프텍스 가부시키가이샤 intrusion detection sensor
US8232883B2 (en) * 2009-12-04 2012-07-31 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Optical proximity sensor with improved shield and lenses
CN106289536A (en) * 2016-10-26 2017-01-04 中国科学院云南天文台 A kind of infrared temperature measurement apparatus for optical mirror plane
CN106594538A (en) 2016-12-23 2017-04-26 浙江生辉照明有限公司 Induction lamp and system for preventing sensor module from being mistakenly triggered
JP7155504B2 (en) * 2017-10-20 2022-10-19 大日本印刷株式会社 detection system, wavelength selective element
CN114333197A (en) * 2021-12-30 2022-04-12 杭州海康威视数字技术股份有限公司 Intrusion detector and method for mounting intrusion detector

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4268347A (en) * 1979-01-26 1981-05-19 Exxon Research & Engineering Co. Low reflectivity surface formed by particle track etching
US4271358A (en) * 1979-11-13 1981-06-02 Frank Schwarz Selective infrared detector
DE3233368A1 (en) * 1982-09-08 1984-03-08 Heimann Gmbh, 6200 Wiesbaden RADIATION SMOKE DETECTORS
EP0135361B1 (en) * 1983-08-12 1995-04-26 I.E.I. Pty Ltd A.C.N. 053 531 212 Apparatus for detecting particulate material in suspension
JPS60185920A (en) * 1984-03-05 1985-09-21 Matsushita Electric Ind Co Ltd Image pickup device
AU580898B2 (en) * 1986-02-25 1989-02-02 Matsushita Electric Works Ltd. Infrared detector
NL9200283A (en) * 1992-02-17 1993-09-16 Aritech Bv MONITORING SYSTEM.
CH684717A5 (en) * 1993-03-26 1994-11-30 Cerberus Ag A detector.
KR0151302B1 (en) * 1995-07-13 1998-12-15 구자홍 Sensor and sensing method by using infrared rays for place judgement
JPH09304175A (en) * 1996-05-20 1997-11-28 Atsumi Electron Corp Ltd Beam sensor
US5790040A (en) * 1996-12-13 1998-08-04 Interactive Technologies, Inc. Battery-operated security system sensors

Also Published As

Publication number Publication date
CA2236813A1 (en) 1999-05-25
CN1161725C (en) 2004-08-11
AU744055B2 (en) 2002-02-14
AU7311498A (en) 1999-06-17
EP0919970B1 (en) 2003-12-17
JPH11232564A (en) 1999-08-27
DE69820573T2 (en) 2004-09-30
CN1218242A (en) 1999-06-02
EP0919970A1 (en) 1999-06-02
CA2236813C (en) 2005-12-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition