SG34282A1 - Weak beam detection - Google Patents

Weak beam detection

Info

Publication number
SG34282A1
SG34282A1 SG1995001604A SG1995001604A SG34282A1 SG 34282 A1 SG34282 A1 SG 34282A1 SG 1995001604 A SG1995001604 A SG 1995001604A SG 1995001604 A SG1995001604 A SG 1995001604A SG 34282 A1 SG34282 A1 SG 34282A1
Authority
SG
Singapore
Prior art keywords
beam detection
weak beam
weak
detection
Prior art date
Application number
SG1995001604A
Other languages
English (en)
Inventor
Brian J Amend
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 SG34282A1 publication Critical patent/SG34282A1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/104—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for elevators
SG1995001604A 1994-10-25 1995-10-20 Weak beam detection SG34282A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32902794A 1994-10-25 1994-10-25

Publications (1)

Publication Number Publication Date
SG34282A1 true SG34282A1 (en) 1996-12-06

Family

ID=23283548

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1995001604A SG34282A1 (en) 1994-10-25 1995-10-20 Weak beam detection

Country Status (7)

Country Link
US (1) US5696362A (fr)
EP (1) EP0709336A1 (fr)
JP (1) JPH08208163A (fr)
CN (1) CN1132177A (fr)
AU (1) AU696276B2 (fr)
CA (1) CA2158902A1 (fr)
SG (1) SG34282A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5627439A (en) * 1996-07-08 1997-05-06 Inventio Ag Light barrier for reopening elevator doors
GB2353855B (en) * 1999-08-23 2002-02-20 Airdri Ltd Gap scanning
US6167991B1 (en) * 2000-02-28 2001-01-02 Otis Elevator Company Method and apparatus for detecting position of an elevator door
US6662848B2 (en) * 2002-02-20 2003-12-16 Won-Door Corporation Automatic door and method of operating same
AU2003225079A1 (en) * 2002-04-19 2003-11-03 Hill-Rom Services, Inc. Hospital bed obstacle detection device and method
WO2004059692A1 (fr) * 2002-12-31 2004-07-15 Otis Elevator Company Systeme de detection et de securite synchronise a synchronisation optique et a compensation d'interference pour les portes coulissantes d'ascenseurs
JP4009862B2 (ja) * 2003-09-30 2007-11-21 オムロン株式会社 多光軸光電センサ
CA2541785A1 (fr) * 2004-06-22 2005-12-29 Mitsubishi Denki Kabushiki Kaisha Dispositif de porte d'un elevateur
EP1903356A1 (fr) * 2006-09-22 2008-03-26 Sick Ag Rideau de lumière
JP5297895B2 (ja) * 2009-05-27 2013-09-25 株式会社日立製作所 エレベーターのドア装置
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
WO2014135738A1 (fr) * 2013-03-05 2014-09-12 Kone Corporation Entrée de porte d'un ascenseur
EP2985636B1 (fr) * 2014-08-11 2018-07-25 Leuze electronic GmbH + Co KG Procédé d'alignement d'un dispositif de capteurs
GB201500513D0 (en) * 2015-01-13 2015-02-25 Avire Ltd Object detection
KR101860105B1 (ko) * 2016-09-29 2018-05-23 주식회사 오토닉스 감지 장치
CN108128690B (zh) * 2017-12-22 2019-10-29 宁波微科光电股份有限公司 一种可减缓电梯光幕发射功率衰减的控制方法
US11406548B2 (en) 2018-09-27 2022-08-09 Hill-Rom Services, Inc. Obstacle detection IR beam filter

Family Cites Families (20)

* 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 (fr) * 1978-04-05 1981-09-22 Her Majesty The Queen, In Right Of Canada, As Represented By The Ministe R Of Communications Dispositif d'entree pour ordinateur sensible au toucher
US4266124A (en) * 1979-08-10 1981-05-05 Data Instruments, Inc. Photoelectric object detector system
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
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
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
CA1187959A (fr) * 1981-11-06 1985-05-28 Kalervo Virtanen Dispositif de signalisation sur vehicules
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
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
US5404008A (en) * 1993-07-16 1995-04-04 Rockwell International Corporation Control system for detecting intrusion of a light curtain
WO1995007471A1 (fr) * 1993-09-07 1995-03-16 Laserscore, Inc. Procede et appareil de detection de la presence et de localisation d'un objet dans un champ
CN1121039A (zh) * 1994-09-16 1996-04-24 P·J·汤姆生 电梯探测器
US5567931A (en) * 1994-10-25 1996-10-22 Otis Elevator Company Variable beam detection using a dynamic detection threshold

Also Published As

Publication number Publication date
EP0709336A1 (fr) 1996-05-01
AU3303895A (en) 1996-05-09
CN1132177A (zh) 1996-10-02
AU696276B2 (en) 1998-09-03
US5696362A (en) 1997-12-09
JPH08208163A (ja) 1996-08-13
CA2158902A1 (fr) 1996-04-26

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