TW336998B - Variable beam detection - Google Patents

Variable beam detection

Info

Publication number
TW336998B
TW336998B TW084110860A TW84110860A TW336998B TW 336998 B TW336998 B TW 336998B TW 084110860 A TW084110860 A TW 084110860A TW 84110860 A TW84110860 A TW 84110860A TW 336998 B TW336998 B TW 336998B
Authority
TW
Taiwan
Prior art keywords
detection
energy beam
beam detection
variable beam
detectors
Prior art date
Application number
TW084110860A
Other languages
English (en)
Inventor
J Amend Brian
Garfinkel Mihcael
Original Assignee
Otis Elevator Co
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 Otis Elevator Co filed Critical Otis Elevator Co
Application granted granted Critical
Publication of TW336998B publication Critical patent/TW336998B/zh

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
    • G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers
    • 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
    • B66B13/02—Door or gate operation
    • 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)
  • Elevator Door Apparatuses (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Radiation (AREA)
TW084110860A 1994-10-25 1995-10-16 Variable beam detection TW336998B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/329,025 US5567931A (en) 1994-10-25 1994-10-25 Variable beam detection using a dynamic detection threshold

Publications (1)

Publication Number Publication Date
TW336998B true TW336998B (en) 1998-07-21

Family

ID=23283536

Family Applications (1)

Application Number Title Priority Date Filing Date
TW084110860A TW336998B (en) 1994-10-25 1995-10-16 Variable beam detection

Country Status (11)

Country Link
US (1) US5567931A (zh)
EP (1) EP0709335A1 (zh)
JP (1) JPH08208162A (zh)
KR (1) KR960013974A (zh)
CN (1) CN1132178A (zh)
AU (1) AU695919B2 (zh)
BR (1) BR9504511A (zh)
FI (1) FI955071A (zh)
MY (1) MY132045A (zh)
TW (1) TW336998B (zh)
ZA (1) ZA958087B (zh)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1121039A (zh) * 1994-09-16 1996-04-24 P·J·汤姆生 电梯探测器
CA2158902A1 (en) * 1994-10-25 1996-04-26 Brian J. Amend Weak beam detection
DE19636347C2 (de) * 1996-09-02 2001-09-20 Joerg Brech Vorrichtung zur Steuerung des Schließvorgangs von im wesentlichen translatorisch verstellbaren, motorisch angetriebenen Bauteilen
DE19712828A1 (de) * 1997-03-26 1998-10-15 Sick Ag Lichtgitter und Verfahren zu seiner Herstellung
US5925858A (en) * 1997-06-23 1999-07-20 Otis Elevator Company Safety system for detecting small objects approaching closing doors
US5886307A (en) * 1997-06-23 1999-03-23 Otis Elevator Company Safety detection system for sliding doors
IT1295901B1 (it) * 1997-10-31 1999-05-28 Ottorino Barbuti Barriera immateriale optoelettronica a regolazione automatica della soglia di scatto
US6279687B1 (en) 1999-10-01 2001-08-28 Otis Elevator Company Method and system for detecting objects in a detection zone using modulated means
US6386326B2 (en) 1999-10-01 2002-05-14 Otis Elevator Company Method and system for detecting objects in a detection zone using modulated means
KR20010086717A (ko) * 2000-03-02 2001-09-15 박병근 안전사고 방지 기능을 갖는 엘리베이터
JP2002100975A (ja) * 2000-09-22 2002-04-05 Mitsubishi Electric Corp エレベータ扉の開閉安全装置
EP1496830B1 (en) 2002-04-19 2009-03-11 Hill-Rom Services, Inc. Hospital bed obstacle detection device
JP4009862B2 (ja) * 2003-09-30 2007-11-21 オムロン株式会社 多光軸光電センサ
JP4353047B2 (ja) * 2004-09-30 2009-10-28 オムロン株式会社 多光軸光電センサ
DE102008056458A1 (de) * 2007-11-07 2009-07-23 Cedes Ag System zur Festellung eines Objekts in einer Überwachungsfläche
CN102471032B (zh) 2009-07-17 2014-05-07 奥的斯电梯公司 门障碍物装置的健康检查
US8695878B2 (en) 2011-08-31 2014-04-15 Djb Group Llc Shelf-monitoring system
DE102011083757A1 (de) * 2011-09-29 2013-04-04 Krones Aktiengesellschaft Triggerlichtgitter und Verfahren zur Positionsbestimmung von Behältern
EP2713187B1 (de) * 2012-09-28 2016-06-22 Sick Ag Lichtgitter und Verfahren zur Überwachung eines Überwachungsbereichs
EP2985636B1 (de) * 2014-08-11 2018-07-25 Leuze electronic GmbH + Co KG Verfahren zum Ausrichten einer Sensoreinrichtung
GB2549761B (en) * 2016-04-28 2018-04-25 Ensota Guangzhou Tech Ltd An automatic door installation and method of determining the presence of an obstacle
EP3413097A1 (en) * 2017-06-08 2018-12-12 KONE Corporation Solution for monitoring a condition of a curtain of light
US11406548B2 (en) 2018-09-27 2022-08-09 Hill-Rom Services, Inc. Obstacle detection IR beam filter
CN113401773A (zh) * 2021-05-21 2021-09-17 杭州优迈科技有限公司 一种电梯光幕控制方法、装置及电子设备

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US3746863A (en) * 1972-03-15 1973-07-17 Exotron Ind Ltd Light curtain control for a switch
US3805064A (en) * 1972-04-27 1974-04-16 Kornylac Co Radiation sensitive intrusion detection system
US3805061A (en) * 1973-04-23 1974-04-16 Tyco Laboratories Inc Object detecting apparatus
US3825745A (en) * 1973-05-21 1974-07-23 Electronics Corp America Object detecting system
US3970846A (en) * 1973-10-29 1976-07-20 Xenex Corporation Presence detecting system with self-checking
US4063085A (en) * 1975-11-03 1977-12-13 Cometa S. A. Method of and apparatus for electronic scanning
CA1109539A (en) * 1978-04-05 1981-09-22 Her Majesty The Queen, In Right Of Canada, As Represented By The Ministe R Of Communications Touch sensitive computer input device
USRE30719E (en) * 1978-08-02 1981-08-25 Doorway safety device
US4266124A (en) * 1979-08-10 1981-05-05 Data Instruments, Inc. Photoelectric object detector system
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
WO1982002787A1 (en) * 1981-02-10 1982-08-19 Gray John E Photoelectric obstruction detector for elevator doorways
USRE33668E (en) * 1981-02-10 1991-08-20 Otis Elevator Company Detection device having energy transmitters located at vertically spaced apart points along movable doors
US4818866A (en) * 1986-01-13 1989-04-04 Data Instruments, Inc. Intrusion detection system for operating industrial machines with variable sensitivity
DE3603940A1 (de) * 1986-02-07 1987-08-13 Efaflex Transport Lager Vorrichtung zur steuerung des oeffnungs- und/oder schliessvorgangs von schnellauf-toren
US4750591A (en) * 1987-07-10 1988-06-14 Otis Elevator Company Elevator car door and motion sequence monitoring apparatus and method
GB2227309A (en) * 1989-01-18 1990-07-25 Formula Systems Ltd Detection system
ES2077759T3 (es) * 1990-10-31 1995-12-01 Inventio Ag Barrera de luz de horquilla de doble canal con una construccion "failsafe".
US5149921A (en) * 1991-07-10 1992-09-22 Innovation Industries, Inc. Self correcting infrared intrusion detection system
US5235143A (en) * 1991-11-27 1993-08-10 Otis Elevator Company Elevator system having dynamically variable door dwell time based upon average waiting time
US5243183A (en) * 1992-09-15 1993-09-07 Triad Controls, Inc. Obstruction position detecting system with comparison and memory means
US5286967A (en) * 1992-12-04 1994-02-15 Stanley Home Automation Method and apparatus for self-biasing a light beam obstacle detector with a bias light

Also Published As

Publication number Publication date
ZA958087B (en) 1996-04-26
FI955071A0 (fi) 1995-10-24
CN1132178A (zh) 1996-10-02
FI955071A (fi) 1996-04-26
AU3303795A (en) 1996-05-09
BR9504511A (pt) 1997-05-27
US5567931A (en) 1996-10-22
JPH08208162A (ja) 1996-08-13
MY132045A (en) 2007-09-28
AU695919B2 (en) 1998-08-27
KR960013974A (ko) 1996-05-22
MX9504343A (es) 1998-12-31
EP0709335A1 (en) 1996-05-01

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