ZA958087B - Variable beam detection - Google Patents

Variable beam detection

Info

Publication number
ZA958087B
ZA958087B ZA958087A ZA958087A ZA958087B ZA 958087 B ZA958087 B ZA 958087B ZA 958087 A ZA958087 A ZA 958087A ZA 958087 A ZA958087 A ZA 958087A ZA 958087 B ZA958087 B ZA 958087B
Authority
ZA
South Africa
Prior art keywords
beam detection
variable beam
variable
detection
Prior art date
Application number
ZA958087A
Other languages
English (en)
Inventor
Brian J Amend
Michael Garfinkel
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
Publication of ZA958087B publication Critical patent/ZA958087B/xx

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)
  • Measurement Of Radiation (AREA)
  • Geophysics And Detection Of Objects (AREA)
ZA958087A 1994-10-25 1995-09-26 Variable beam detection ZA958087B (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
ZA958087B true ZA958087B (en) 1996-04-26

Family

ID=23283536

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA958087A ZA958087B (en) 1994-10-25 1995-09-26 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
CA2482462A1 (en) * 2002-04-19 2003-10-30 Hill-Rom Services, Inc. Hospital bed obstacle detection device and method
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
EP2208092B2 (de) * 2007-11-07 2021-09-15 Cedes AG System zur feststellung eines objekts in einer überwachungsfläche
JP5480379B2 (ja) 2009-07-17 2014-04-23 オーチス エレベータ カンパニー 自動的に閉じるドアシステムの機能性を決定する方法、自動ドアシステムおよびエレベータシステム
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

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS58500039A (ja) * 1981-02-10 1983-01-06 オ−チス　エレベ−タ　コムパニ− 閉じる引戸の通路にある物体を検出する方法及び装置
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
DE59106212D1 (de) * 1990-10-31 1995-09-14 Inventio Ag Zweikanalige Gabellichtschranke in Failsafe-Ausführung.
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
MY132045A (en) 2007-09-28
CN1132178A (zh) 1996-10-02
KR960013974A (ko) 1996-05-22
MX9504343A (es) 1998-12-31
FI955071A (fi) 1996-04-26
US5567931A (en) 1996-10-22
AU3303795A (en) 1996-05-09
TW336998B (en) 1998-07-21
BR9504511A (pt) 1997-05-27
EP0709335A1 (en) 1996-05-01
AU695919B2 (en) 1998-08-27
FI955071A0 (fi) 1995-10-24
JPH08208162A (ja) 1996-08-13

Similar Documents

Publication Publication Date Title
ZA958087B (en) Variable beam detection
GB9617103D0 (en) Detector
EP0694865A3 (en) Position detector
GB2290384B (en) Displacement detector
SG34282A1 (en) Weak beam detection
GB9414256D0 (en) Range detection
GB2307346B (en) Detector arrangement
GB9602311D0 (en) Detection ddevice
GB9307034D0 (en) Excess-temperature detection arrangement
HK1009352A1 (en) Siren detector
GB9607209D0 (en) Detectors
GB9406189D0 (en) Beam sampling
PL56884Y1 (en) Field beam
GB9507688D0 (en) The thomobilizer
GB9418886D0 (en) Detection means
PL306917A1 (en) Flat-roof beam
GB9503884D0 (en) Detection
GB9419297D0 (en) Detector
GB9405633D0 (en) Detector
ZA969854B (en) Detection arrangement
GB9519799D0 (en) Detector
GB2297657B (en) Sideways-looking radar
GB9500350D0 (en) Detector arrangements
GB9618409D0 (en) Detectors
GB9612909D0 (en) Detectors