CH554804A - AUTOMATIC STOPPING AND LEVELING DEVICE OF AN ELEVATOR CAB. - Google Patents

AUTOMATIC STOPPING AND LEVELING DEVICE OF AN ELEVATOR CAB.

Info

Publication number
CH554804A
CH554804A CH1185972A CH1185972A CH554804A CH 554804 A CH554804 A CH 554804A CH 1185972 A CH1185972 A CH 1185972A CH 1185972 A CH1185972 A CH 1185972A CH 554804 A CH554804 A CH 554804A
Authority
CH
Switzerland
Prior art keywords
leveling device
elevator cab
automatic stopping
stopping
automatic
Prior art date
Application number
CH1185972A
Other languages
French (fr)
Original Assignee
Us Elevator 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 Us Elevator Corp filed Critical Us Elevator Corp
Publication of CH554804A publication Critical patent/CH554804A/en

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
    • B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
    • B66B1/40—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Elevator Control (AREA)
CH1185972A 1971-08-11 1972-08-10 AUTOMATIC STOPPING AND LEVELING DEVICE OF AN ELEVATOR CAB. CH554804A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17084171A 1971-08-11 1971-08-11

Publications (1)

Publication Number Publication Date
CH554804A true CH554804A (en) 1974-10-15

Family

ID=22621481

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1185972A CH554804A (en) 1971-08-11 1972-08-10 AUTOMATIC STOPPING AND LEVELING DEVICE OF AN ELEVATOR CAB.

Country Status (6)

Country Link
US (1) US3749203A (en)
CH (1) CH554804A (en)
DE (1) DE2234312A1 (en)
ES (1) ES406301A1 (en)
FR (1) FR2148598A1 (en)
IT (1) IT963527B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU470136B2 (en) * 1973-02-21 1976-03-04 Elevators Pty. Limited Improved transducer for servomechanisms
JPS5321653B2 (en) * 1973-08-27 1978-07-04
JPS5813467B2 (en) * 1975-04-21 1983-03-14 株式会社日立製作所 AC elevator level adjustment device
US4021711A (en) * 1975-06-27 1977-05-03 International Business Machines Corporation Article positioner with zero position sensing means
DE2839160C2 (en) * 1978-09-08 1983-03-31 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen Method and device for operating a mining shaft conveyor
US4312619A (en) * 1979-07-19 1982-01-26 Fmc Corporation Aircraft cargo loading method and apparatus
US4346788A (en) * 1979-11-13 1982-08-31 Otis Elevator Company Tailorable discrete optical sensor
US4570755A (en) * 1983-06-27 1986-02-18 Armor Electric Company, Inc. Digital landing computer for elevator
US4520904A (en) * 1983-11-09 1985-06-04 Otis Elevator Company Elevator leveling signal error and correction
US4896747A (en) * 1988-07-28 1990-01-30 Otis Elevator Company Modular elevator system
US4976338A (en) * 1989-04-27 1990-12-11 Delaware Capital Formation, Inc. Leveling control system for hydraulic elevator
US5783784A (en) * 1996-11-19 1998-07-21 Otis Elevator Company Differential reflectometery for position reference in an elevator system
US6351994B1 (en) * 2000-06-09 2002-03-05 Trilogy Technologies, Inc. Sensor system for determining relative displacement of an object using an activation member
US6401351B1 (en) 2000-06-09 2002-06-11 Trilogy Technologies, Inc. Sensor system for determining relative displacement of an object using a flexible retractable activation member
US7360630B2 (en) * 2004-04-16 2008-04-22 Thyssenkrupp Elevator Capital Corporation Elevator positioning system
EP3107853A4 (en) * 2014-02-19 2017-11-01 Otis Elevator Company Improved elevator releveling control
WO2015159392A1 (en) * 2014-04-16 2015-10-22 三菱電機株式会社 Elevator position detection device
US9837860B2 (en) * 2014-05-05 2017-12-05 Witricity Corporation Wireless power transmission systems for elevators

Also Published As

Publication number Publication date
US3749203A (en) 1973-07-31
FR2148598A1 (en) 1973-03-23
DE2234312A1 (en) 1973-02-22
IT963527B (en) 1974-01-21
ES406301A1 (en) 1975-09-16

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Legal Events

Date Code Title Description
PL Patent ceased