GB1393177A - Position detector - Google Patents

Position detector

Info

Publication number
GB1393177A
GB1393177A GB1761772A GB1761772A GB1393177A GB 1393177 A GB1393177 A GB 1393177A GB 1761772 A GB1761772 A GB 1761772A GB 1761772 A GB1761772 A GB 1761772A GB 1393177 A GB1393177 A GB 1393177A
Authority
GB
United Kingdom
Prior art keywords
transmitter
radiation
receiver
turned
transformer
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
GB1761772A
Other languages
English (en)
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
Publication of GB1393177A publication Critical patent/GB1393177A/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)
GB1761772A 1971-05-19 1972-04-17 Position detector Expired GB1393177A (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
GB1393177A true GB1393177A (en) 1975-05-07

Family

ID=22509857

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1761772A Expired GB1393177A (en) 1971-05-19 1972-04-17 Position detector

Country Status (11)

Country Link
US (1) US3743056A (enrdf_load_html_response)
AR (1) AR196304A1 (enrdf_load_html_response)
BE (1) BE783645A (enrdf_load_html_response)
BR (1) BR7203070D0 (enrdf_load_html_response)
CA (1) CA997029A (enrdf_load_html_response)
DE (1) DE2223930A1 (enrdf_load_html_response)
ES (1) ES402605A1 (enrdf_load_html_response)
FR (1) FR2138109B1 (enrdf_load_html_response)
GB (1) GB1393177A (enrdf_load_html_response)
IT (1) IT955658B (enrdf_load_html_response)
NL (1) NL7206723A (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985002267A1 (en) * 1983-11-21 1985-05-23 Alec Martin Stevens Infra-red position sensor system

Families Citing this family (21)

* 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
FI77209C (fi) * 1982-06-01 1989-02-10 Anglo Amer Corp South Africa Foerfarande och anordning foer att ge information om status av doerrar i en hisskorg.
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
US4859867A (en) * 1988-04-19 1989-08-22 Donnelly Corporation Windshield moisture sensing control circuit
US4871917A (en) * 1988-04-19 1989-10-03 Donnelly Corporation Vehicular moisture sensor and mounting apparatus therefor
EP0357888B1 (de) * 1988-08-23 1993-12-29 Inventio Ag Verfahren und Vorrichtung für die Erzeugung einer Schachtinformation bei Aufzügen
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
ATE126172T1 (de) * 1990-10-31 1995-08-15 Inventio Ag Zweikanalige gabellichtschranke in failsafe- ausführung.
DE4344795A1 (de) * 1993-12-28 1995-06-29 Liebherr Werk Ehingen Fahrbarer Kran mit einem Teleskopausleger
EP0751088B1 (de) * 1995-06-30 2001-02-28 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
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
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 (enrdf_load_html_response) * 1968-11-30 1970-08-28 Electric Et Musical Ind

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985002267A1 (en) * 1983-11-21 1985-05-23 Alec Martin Stevens Infra-red position sensor system

Also Published As

Publication number Publication date
BE783645A (fr) 1972-11-20
NL7206723A (enrdf_load_html_response) 1972-11-21
AR196304A1 (es) 1973-12-18
CA997029A (en) 1976-09-14
ES402605A1 (es) 1976-04-16
DE2223930A1 (de) 1972-11-30
FR2138109B1 (enrdf_load_html_response) 1973-07-13
FR2138109A1 (enrdf_load_html_response) 1972-12-29
BR7203070D0 (pt) 1973-06-14
IT955658B (it) 1973-09-29
US3743056A (en) 1973-07-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee