CA997029A - Fail-safe position detector - Google Patents

Fail-safe position detector

Info

Publication number
CA997029A
CA997029A CA137,407A CA137407A CA997029A CA 997029 A CA997029 A CA 997029A CA 137407 A CA137407 A CA 137407A CA 997029 A CA997029 A CA 997029A
Authority
CA
Canada
Prior art keywords
fail
position detector
safe position
safe
detector
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.)
Expired
Application number
CA137,407A
Other languages
English (en)
Other versions
CA137407S (en
Inventor
William E. Zitelli
Charles L. Winkler
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA997029A publication Critical patent/CA997029A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/46—Adaptations of switches or switchgear
    • B66B1/50—Adaptations of switches or switchgear with operating or control mechanisms mounted in the car or cage or in the lift well or hoistway

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
CA137,407A 1971-05-19 1972-03-17 Fail-safe position detector Expired CA997029A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14472671A 1971-05-19 1971-05-19

Publications (1)

Publication Number Publication Date
CA997029A true CA997029A (en) 1976-09-14

Family

ID=22509857

Family Applications (1)

Application Number Title Priority Date Filing Date
CA137,407A Expired CA997029A (en) 1971-05-19 1972-03-17 Fail-safe position detector

Country Status (11)

Country Link
US (1) US3743056A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AR (1) AR196304A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE783645A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR7203070D0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA997029A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2223930A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES402605A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2138109B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1393177A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT955658B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7206723A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019606A (en) * 1975-03-21 1977-04-26 Westinghouse Electric Corporation Elevator system
DE3237439T1 (de) * 1981-03-16 1983-12-01 Mitsubishi Denki K.K., Tokyo Laufsteuereinrichtung fuer ein laufendes bewegbares objekt
FR2520525A1 (fr) * 1982-01-27 1983-07-29 Claude Hennion Perfectionnements aux dispositifs de controle du mouvement d'un objet mobile en translation
GB2122573B (en) * 1982-06-01 1985-11-13 Anglo Amer Corp South Africa Lift cage door status indication
IL73582A0 (en) * 1983-11-21 1985-02-28 Stevens Alec Martin Position infra red sensor system
US4620141A (en) * 1985-07-03 1986-10-28 Vericom Corp. Rain-controlled windshield wipers
US4798956A (en) * 1987-07-15 1989-01-17 Hochstein Peter A Electro-optical windshield moisture sensing
US4871917A (en) * 1988-04-19 1989-10-03 Donnelly Corporation Vehicular moisture sensor and mounting apparatus therefor
US4859867A (en) * 1988-04-19 1989-08-22 Donnelly Corporation Windshield moisture sensing control circuit
ES2050185T3 (es) * 1988-08-23 1994-05-16 Inventio Ag Procedimiento y dispositivo para la creacion de una informacion de caja de ascensores.
US4991693A (en) * 1989-02-16 1991-02-12 Inventio Ag Method of improving the landing of a hydraulic elevator car
SE8900568D0 (sv) * 1989-02-17 1989-02-17 Bromma Conquip Ab Avkaenningsarrangemang vid lyftok
US4916374A (en) * 1989-02-28 1990-04-10 Donnelly Corporation Continuously adaptive moisture sensor system for wiper control
US4956591A (en) * 1989-02-28 1990-09-11 Donnelly Corporation Control for a moisture sensor
US4973844A (en) * 1989-07-10 1990-11-27 Donnelly Corporation Vehicular moisture sensor and mounting apparatus therefor
EP0483560B1 (de) * 1990-10-31 1995-08-09 Inventio Ag Zweikanalige Gabellichtschranke in Failsafe-Ausführung
DE4344795A1 (de) * 1993-12-28 1995-06-29 Liebherr Werk Ehingen Fahrbarer Kran mit einem Teleskopausleger
ATE199362T1 (de) * 1995-06-30 2001-03-15 Inventio Ag Einrichtung zur erzeugung von schachtinformation
JP4262819B2 (ja) * 1998-09-07 2009-05-13 東芝エレベータ株式会社 エレベータの着床装置
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
CN101492138B (zh) * 2009-03-12 2011-02-16 石家庄五龙制动器有限公司 电梯制动系统的控制电路及控制方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3138357A (en) * 1960-07-13 1964-06-23 James Scott Electronic Enginee Gantry crane safety device
FR1395838A (fr) * 1964-03-04 1965-04-16 Sfim Dispositif de détection de la présence d'objets par rayonnements électro-magnétiques
FR1427159A (fr) * 1964-12-21 1966-02-04 Dispositif de commande des arrêts aux étages des ascenseurs, monte-charges et appareils similaires
GB1164793A (en) * 1966-04-05 1969-09-24 Photain Controls Ltd Photo-electric Detection Devices
FR2024637A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1968-11-30 1970-08-28 Electric Et Musical Ind

Also Published As

Publication number Publication date
DE2223930A1 (de) 1972-11-30
BE783645A (fr) 1972-11-20
BR7203070D0 (pt) 1973-06-14
IT955658B (it) 1973-09-29
FR2138109B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-07-13
US3743056A (en) 1973-07-03
ES402605A1 (es) 1976-04-16
FR2138109A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-12-29
AR196304A1 (es) 1973-12-18
NL7206723A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-11-21
GB1393177A (en) 1975-05-07

Similar Documents

Publication Publication Date Title
CA1001736A (en) Angular position detector using magnetic elements
CA997029A (en) Fail-safe position detector
AU463244B2 (en) Zero crossing detector
CA956716A (en) Element position detector system
AU468250B2 (en) 3-nitropyrazole derivatives
CA968879A (en) Infrared position detector
AU462723B2 (en) 2-nitro-5-imidazolyaldehyde derivatives
CA954181A (en) Mispuff detector
AU461957B2 (en) Lumilysergol derivatives
AU466959B2 (en) Motion detector
AU462064B2 (en) Smoke detector
AU461199B2 (en) Detector
AU463679B2 (en) Dibenzocycloheptadioxolan derivatives
AU4703472A (en) Dibenzoxirenazepine derivatives
CA882328A (en) Margin angle detector
CA881152A (en) Proximity detector
CA864116A (en) Proximity detector
CA975824A (en) Derailment detector
CA975854A (en) Detector systems
AU437749B2 (en) Angular position detector using magnetic elements
CA865850A (en) Ph detector
CA866407A (en) Fail-safe proximity measuring system
AU4007172A (en) Proximity detector
CA880253A (en) Radiographic element
CA941929A (en) Optical position detector