CA2107333A1 - Detection systems - Google Patents

Detection systems

Info

Publication number
CA2107333A1
CA2107333A1 CA002107333A CA2107333A CA2107333A1 CA 2107333 A1 CA2107333 A1 CA 2107333A1 CA 002107333 A CA002107333 A CA 002107333A CA 2107333 A CA2107333 A CA 2107333A CA 2107333 A1 CA2107333 A1 CA 2107333A1
Authority
CA
Canada
Prior art keywords
detector
emitter
radiation
intensity
angle
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.)
Abandoned
Application number
CA002107333A
Other languages
English (en)
French (fr)
Inventor
John Trett
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10693283&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2107333(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of CA2107333A1 publication Critical patent/CA2107333A1/en
Abandoned 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
    • G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
    • B66B13/26—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers between closing doors

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Eye Examination Apparatus (AREA)
  • Air Bags (AREA)
  • Radar Systems Or Details Thereof (AREA)
CA002107333A 1991-04-15 1992-03-19 Detection systems Abandoned CA2107333A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9107981.4 1991-04-15
GB9107981A GB2254916B (en) 1991-04-15 1991-04-15 Detection systems

Publications (1)

Publication Number Publication Date
CA2107333A1 true CA2107333A1 (en) 1992-10-16

Family

ID=10693283

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002107333A Abandoned CA2107333A1 (en) 1991-04-15 1992-03-19 Detection systems

Country Status (8)

Country Link
US (1) US5420430A (enExample)
EP (1) EP0580607A1 (enExample)
JP (1) JP3129439B2 (enExample)
AU (1) AU1379192A (enExample)
CA (1) CA2107333A1 (enExample)
GB (1) GB2254916B (enExample)
TW (1) TW237516B (enExample)
WO (1) WO1992018413A1 (enExample)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5400722A (en) * 1992-11-25 1995-03-28 American Engineering Corporation Security module
CN1121039A (zh) * 1994-09-16 1996-04-24 P·J·汤姆生 电梯探测器
IL115876A (en) 1995-11-05 1998-02-08 Sensotech Ltd Automatic door system with stair detector
US5743317A (en) * 1996-07-24 1998-04-28 Rite-Hite Corporation Impact detection system for industrial doors
IL120755A0 (en) 1997-05-01 1997-09-30 Sensotech Ltd Vehicle sensor apparatus
US5886307A (en) * 1997-06-23 1999-03-23 Otis Elevator Company Safety detection system for sliding doors
US6612357B1 (en) 1998-04-27 2003-09-02 Rite-Hite Holding Corporation Impact detection system for industrial doors
GB2342714B (en) * 1998-10-13 2003-04-16 Memco Ltd Apparatus for reducing power consumption in a lift door protection system
US6161655A (en) * 1998-12-23 2000-12-19 Otis Elevator Company Non-contact elevator call button
US6598648B1 (en) 1999-03-12 2003-07-29 Rite-Hite Holding Corporation Industrial door system responsive to an impact
GB2353855B (en) * 1999-08-23 2002-02-20 Airdri Ltd Gap scanning
US6386326B2 (en) 1999-10-01 2002-05-14 Otis Elevator Company Method and system for detecting objects in a detection zone using modulated means
US6279687B1 (en) 1999-10-01 2001-08-28 Otis Elevator Company Method and system for detecting objects in a detection zone using modulated means
US6167991B1 (en) * 2000-02-28 2001-01-02 Otis Elevator Company Method and apparatus for detecting position of an elevator door
JP3958940B2 (ja) * 2001-03-12 2007-08-15 三菱電機株式会社 扉装置及びエレベータ装置
JP3995522B2 (ja) * 2002-05-08 2007-10-24 三菱電機株式会社 エレベータ装置
US7045764B2 (en) 2002-10-17 2006-05-16 Rite-Hite Holding Corporation Passive detection system for detecting a body near a door
CA2454144C (en) * 2002-12-27 2008-12-16 Uri Agam Device and method for adaptive ultrasound sensing
GB2400905A (en) * 2003-04-24 2004-10-27 Memco Ltd Edge device for a powered door with infra-red and visible elements
US7034682B2 (en) 2003-06-20 2006-04-25 Rite-Hite Holding Corporation Door with a safety antenna
US20050207616A1 (en) * 2004-03-17 2005-09-22 The Chamberlain Group, Inc. Movable barrier operator with an obstacle detector
JP3904000B2 (ja) * 2004-05-26 2007-04-11 コニカミノルタホールディングス株式会社 移動体検出システム及び移動体検出方法
ES2323637T3 (es) * 2004-07-22 2009-07-22 Bea S.A. Dispositivo termosensible de deteccion de presencia alrededor de puertas automaticas.
ATE387620T1 (de) 2004-07-22 2008-03-15 Bea Sa Lichtabtastvorrichtung zur detektion um automatische türen
US20060169055A1 (en) * 2005-01-06 2006-08-03 Sensotech Method and system for measuring fluid level in a container
EP1875030B2 (de) * 2005-04-19 2019-09-04 Cedes AG Vorrichtung zur steuerung eines angetriebenen bewegungselements, zum beispiel einer tür
WO2008088340A1 (en) * 2007-01-19 2008-07-24 Georgia Tech Research Corporation Enclosure door status detection
CN102016640A (zh) * 2008-02-27 2011-04-13 感测技术股份有限公司 用于门组件的存在检测器
CA2819409A1 (en) * 2010-12-03 2012-06-07 Sensotech Inc. Adaptive ultrasound detecting system for a door assembly
GB2549760B (en) * 2016-04-28 2018-04-25 Ensota Guangzhou Tech Ltd An automatic door installation
KR102490150B1 (ko) * 2017-03-27 2023-01-18 인벤티오 아게 리프트 카 도어를 모니터링하기 위한 방법 및 디바이스
WO2021149218A1 (ja) * 2020-01-23 2021-07-29 日本電気株式会社 物体認識装置
US11947070B2 (en) * 2020-01-23 2024-04-02 Nec Corporation Housing device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE372085B (enExample) * 1973-02-27 1974-12-09 L Svensson
US4794248A (en) * 1985-07-16 1988-12-27 Otis Elevator Company Detection device having energy transmitters located at vertically spaced apart points along movable doors
DE3530646A1 (de) * 1985-08-28 1987-03-12 Telenot Electronic Gmbh Flaechensicherung
GB8527277D0 (en) * 1985-11-06 1985-12-11 Formula Systems Ltd Proximity detector
DE3620227C1 (en) * 1986-06-16 1987-08-20 Heinrich Saelzer Method and device for monitoring an opening
US5149921A (en) * 1991-07-10 1992-09-22 Innovation Industries, Inc. Self correcting infrared intrusion detection system

Also Published As

Publication number Publication date
GB2254916B (en) 1993-12-22
AU1379192A (en) 1992-11-17
JP3129439B2 (ja) 2001-01-29
WO1992018413A1 (en) 1992-10-29
EP0580607A1 (en) 1994-02-02
TW237516B (enExample) 1995-01-01
JPH06506534A (ja) 1994-07-21
GB9107981D0 (en) 1991-05-29
US5420430A (en) 1995-05-30
GB2254916A (en) 1992-10-21

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Legal Events

Date Code Title Description
FZDE Discontinued