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EP1169255A4 - Obstruction detection system - Google Patents

Obstruction detection system

Info

Publication number
EP1169255A4
EP1169255A4 EP00905485A EP00905485A EP1169255A4 EP 1169255 A4 EP1169255 A4 EP 1169255A4 EP 00905485 A EP00905485 A EP 00905485A EP 00905485 A EP00905485 A EP 00905485A EP 1169255 A4 EP1169255 A4 EP 1169255A4
Authority
EP
European Patent Office
Prior art keywords
detection system
obstruction detection
obstruction
detection
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.)
Withdrawn
Application number
EP00905485A
Other languages
German (de)
French (fr)
Other versions
EP1169255A1 (en
Inventor
Russell Watson
Ian Woodhead
Harrie Visschedijk
Dave Burkitt
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.)
TL Jones Ltd
Original Assignee
TL Jones Ltd
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
Application filed by TL Jones Ltd filed Critical TL Jones Ltd
Publication of EP1169255A1 publication Critical patent/EP1169255A1/en
Publication of EP1169255A4 publication Critical patent/EP1169255A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
  • Elevator Door Apparatuses (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
EP00905485A 1999-02-11 2000-02-11 Obstruction detection system Withdrawn EP1169255A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
NZ33414499 1999-02-11
NZ33414499 1999-02-11
NZ50203799 1999-12-23
NZ50203799 1999-12-23
PCT/NZ2000/000013 WO2000047511A1 (en) 1999-02-11 2000-02-11 Obstruction detection system

Publications (2)

Publication Number Publication Date
EP1169255A1 EP1169255A1 (en) 2002-01-09
EP1169255A4 true EP1169255A4 (en) 2005-07-20

Family

ID=26652017

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00905485A Withdrawn EP1169255A4 (en) 1999-02-11 2000-02-11 Obstruction detection system

Country Status (6)

Country Link
EP (1) EP1169255A4 (en)
JP (1) JP2003524813A (en)
CN (1) CN1346327A (en)
AU (1) AU2701900A (en)
CA (1) CA2362326A1 (en)
WO (1) WO2000047511A1 (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE520075C2 (en) * 2000-12-01 2003-05-20 Safenet I Harads Ab Procedure for clamp protection devices and apparatus for carrying out the method
JP5048912B2 (en) * 2002-11-06 2012-10-17 インベンテイオ・アクテイエンゲゼルシヤフト Surveillance and moving walkway video camera surveillance
JP5369175B2 (en) * 2008-05-22 2013-12-18 オーチス エレベータ カンパニー Elevator door detection apparatus and detection method using video
JP5480379B2 (en) 2009-07-17 2014-04-23 オーチス エレベータ カンパニー Method for determining the functionality of an automatically closing door system, automatic door system and elevator system
JP5504881B2 (en) * 2009-12-25 2014-05-28 ソニー株式会社 Arithmetic apparatus, arithmetic method, arithmetic program, and microscope
CN102530690A (en) * 2012-01-07 2012-07-04 广州永日电梯有限公司 Elevator video light curtain system for preventing pinching touch
JP6046287B1 (en) * 2016-01-13 2016-12-14 東芝エレベータ株式会社 Elevator system
JP5969149B1 (en) * 2016-01-13 2016-08-17 東芝エレベータ株式会社 Elevator system
JP5969148B1 (en) 2016-01-13 2016-08-17 東芝エレベータ株式会社 Elevator system
JP6092434B1 (en) * 2016-01-13 2017-03-08 東芝エレベータ株式会社 Elevator system
CN106081776B (en) * 2016-08-22 2018-09-21 日立楼宇技术（广州）有限公司 The method, apparatus and system of elevator safety monitoring
CA3037395A1 (en) 2016-10-03 2018-04-12 Sensotech Inc. Time of flight (tof) based detecting system for an automatic door
JP6657167B2 (en) 2017-12-15 2020-03-04 東芝エレベータ株式会社 User detection system
CN111542482A (en) * 2017-12-28 2020-08-14 三菱电机株式会社 Door device of elevator
KR102001962B1 (en) * 2018-02-26 2019-07-23 세라에스이 주식회사 Apparatus for control a sliding door
CN108809400B (en) * 2018-03-05 2019-04-30 龙大(深圳)网络科技有限公司 Narrow space network relay system
JP7078461B2 (en) * 2018-06-08 2022-05-31 株式会社日立ビルシステム Elevator system and elevator group management control method
JP6702578B1 (en) * 2019-03-18 2020-06-03 東芝エレベータ株式会社 Elevator user detection system
JP6702579B1 (en) 2019-03-18 2020-06-03 東芝エレベータ株式会社 Elevator user detection system
JP6881853B2 (en) * 2019-08-09 2021-06-02 東芝エレベータ株式会社 Elevator user detection system
GB2589113B (en) 2019-11-20 2021-11-17 Kingsway Enterprises Uk Ltd Pressure monitor
JP2021182216A (en) * 2020-05-18 2021-11-25 キヤノン株式会社 Information processing apparatus, information processing method, and program
CN111646349B (en) * 2020-06-10 2022-05-06 浙江德亚光电有限公司 Elevator protection method and device based on TOF image
GB202018613D0 (en) 2020-11-26 2021-01-13 Kingsway Enterprises Uk Ltd Anti-ligature device
CN112938719B (en) * 2021-03-09 2024-02-27 陕西省特种设备检验检测研究院 Anti-pinch flexible door for elevator
DE102021115280A1 (en) 2021-06-14 2022-12-15 Agtatec Ag Automatic door assembly with sensor device and method for operating such an automatic door assembly
CN114697603B (en) * 2022-03-07 2024-09-06 国网山东省电力公司信息通信公司 Conference place picture detection method and system for video conference

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5410149A (en) * 1993-07-14 1995-04-25 Otis Elevator Company Optical obstruction detector with light barriers having planes of light for controlling automatic doors
US5572602A (en) * 1993-02-25 1996-11-05 Fujitsu Limited Image extraction system for extracting patterns such as characters, graphics and symbols from image having frame formed by straight line portions

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100204101B1 (en) * 1990-03-02 1999-06-15 가나이 쓰도무 Image processing apparatus
US5387768A (en) * 1993-09-27 1995-02-07 Otis Elevator Company Elevator passenger detector and door control system which masks portions of a hall image to determine motion and court passengers
DE19522760C2 (en) * 1995-06-27 1999-12-16 Dorma Gmbh & Co Kg Automatic door and method for operating an automatic door

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5572602A (en) * 1993-02-25 1996-11-05 Fujitsu Limited Image extraction system for extracting patterns such as characters, graphics and symbols from image having frame formed by straight line portions
US5410149A (en) * 1993-07-14 1995-04-25 Otis Elevator Company Optical obstruction detector with light barriers having planes of light for controlling automatic doors

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
BLAASVAER H ET AL: "AMOR-an autonomous mobile robot navigation system", SYSTEMS, MAN, AND CYBERNETICS, 1994. HUMANS, INFORMATION AND TECHNOLOGY., 1994 IEEE INTERNATIONAL CONFERENCE ON SAN ANTONIO, TX, USA 2-5 OCT. 1994, NEW YORK, NY, USA,IEEE, vol. 3, 2 October 1994 (1994-10-02), pages 2266 - 2271, XP010139232, ISBN: 0-7803-2129-4 *
KYOUNG SIG ROH ET AL: "Obstacle detection and self-localization without camera calibration using projective invariants", INTELLIGENT ROBOTS AND SYSTEMS, 1997. IROS '97., PROCEEDINGS OF THE 1997 IEEE/RSJ INTERNATIONAL CONFERENCE ON GRENOBLE, FRANCE 7-11 SEPT. 1997, NEW YORK, NY, USA,IEEE, US, vol. 2, 7 September 1997 (1997-09-07), pages 1030 - 1035, XP010264770, ISBN: 0-7803-4119-8 *
See also references of WO0047511A1 *

Also Published As

Publication number Publication date
AU2701900A (en) 2000-08-29
WO2000047511A1 (en) 2000-08-17
EP1169255A1 (en) 2002-01-09
CA2362326A1 (en) 2000-08-17
CN1346327A (en) 2002-04-24
JP2003524813A (en) 2003-08-19

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Legal Events

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