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Publication numberUS3561571 A
Publication typeGrant
Publication dateFeb 9, 1971
Filing dateNov 4, 1966
Priority dateNov 5, 1965
Publication numberUS 3561571 A, US 3561571A, US-A-3561571, US3561571 A, US3561571A
InventorsJohn A Gingrich
Original AssigneeDover Corp
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Elevator group supervisory control system
US 3561571 A
Abstract  available in
Images(25)
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Claims  available in
Description  (OCR text may contain errors)

United States Patent [72] Inventor John Gingrich 3,443,668 5/1969 Hall et a1, 187/29 Toronto, Canada 2,827,981 3/1958 Eames et al.. 187/29 [21] Appl 592186 2,960,187 11/1960 Bruns et al... 187/29 [22] Filed No 4,1966 3,080,944 3/1963 Burgy et a1 187/29 [45] Patented Feb 9.197] 3,146,858 9/1964 Leroux et al..., 187/29 [73] Assignee Dover Corporation 3,315,765 4/1967 Dinning 1, 187/29 New York, 3,376,952 4/1968 lnuzuka et a1. 187/29 by mesne assignments 3,378,107 4/1968 Madison 187/29 [32] Priority Nov. 5,1965 3,379,284 4/1968 Yeastmg v 187/29 1 Great Britain Primary Examiner-Cris L. Rader [31] 47,065 Assistant ExaminerW. E. Duncanson,lr.

Artorney-Brumbaugh, Free, Graves & Donohue [54] ELEVATOR GROUP SUPERVISORY CONTROL SYSTEM 54 Claims, 50 Drawing Figs.

U-S. The disclosure relates to an elevator group Su. Cl B661) pervisory control system in which bits ofinformation, as to reofSearch V gi tered demands for ervice position of the cars and the degree of availability ofthe cars relative to the number of calls [56] References cued for service each is capable of answering without undue delay, UNITED STATES PATENTS are successively and repetitively scanned to control the 3,371,747 3/1968 Gingrich et a1. 187/29 respective movement ofthe cars.

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Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US2827981 *Sep 22, 1955Mar 25, 1958Westinghouse Electric CorpElevator systems
US2960187 *Jul 18, 1958Nov 15, 1960Otis Elevator CoElevator system
US3080944 *Jul 6, 1960Mar 12, 1963Toledo Scale CorpElevator controls
US3146858 *Dec 27, 1960Sep 1, 1964Schweiz Wagons AufzuegefabSolid-state, clock pulse synchronized, logical control system for elevators
US3315765 *Jan 20, 1959Apr 25, 1967Toledo Scale CorpProgram computer for elevator system
US3371747 *Jun 12, 1964Mar 5, 1968Dover CorpPriority call control for an elevator system
US3376952 *Oct 17, 1963Apr 9, 1968Hitachi LtdElevator "wild car" system in which one car is always the wild car
US3378107 *Mar 19, 1964Apr 16, 1968Otis Elevator CoElevator control with predetermined number of zones, predetermined number of floors per zone, and predetermined number of cars assigned to each zone
US3379284 *Mar 26, 1963Apr 23, 1968Reliance Electric & Eng CoElevator control including a common transmission circuit with a threshold circuit for each car to determine its availability to answer calls
US3443668 *Oct 8, 1965May 13, 1969Reliance Electric & Eng CoPlural car elevator system for developing hall call assignments between individual cars and registered hall calls
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4037688 *May 5, 1975Jul 26, 1977Westinghouse Electric CorporationElevator system
US4046227 *May 5, 1975Sep 6, 1977Westinghouse Electric CorporationElevator system
US4363381 *Dec 3, 1979Dec 14, 1982Otis Elevator CompanyRelative system response elevator call assignments
US4782921 *Mar 16, 1988Nov 8, 1988Westinghouse Electric Corp.Coincident call optimization in an elevator dispatching system
US4784240 *Mar 16, 1988Nov 15, 1988Westinghouse Electric Corp.Method for using door cycle time in dispatching elevator cars
US4790412 *Mar 16, 1988Dec 13, 1988Westinghouse Electric Corp.Anti-bunching method for dispatching elevator cars
US4793443 *Mar 16, 1988Dec 27, 1988Westinghouse Electric Corp.Dynamic assignment switching in the dispatching of elevator cars
US5065846 *Jan 12, 1990Nov 19, 1991Inventio AgElevator group control for the immediate assignment of destination calls
US5083640 *Jun 13, 1990Jan 28, 1992Mitsubishi Denki Kabushiki KaishaMethod and apparatus for effecting group management of elevators
US5183981 *Mar 2, 1990Feb 2, 1993Otis Elevator Company"Up-peak" elevator channeling system with optimized preferential service to high intensity traffic floors
US5241141 *Sep 17, 1990Aug 31, 1993Otis Elevator CompanyElevator profile selection based on absence or presence of passengers
US5241142 *Jan 22, 1991Aug 31, 1993Otis Elevator Company"Artificial intelligence", based learning system predicting "peak-period" ti
US5272288 *Sep 11, 1990Dec 21, 1993Otis Elevator CompanyElevator traffic predictions using historical data checked for certainty
US5276295 *Sep 11, 1990Jan 4, 1994Nader KameliPredictor elevator for traffic during peak conditions
US5305198 *Feb 20, 1991Apr 19, 1994Inventio AgMethod and apparatus for the immediate allocation of target calls in elevator groups based upon operating costs and variable bonus and penalty point factors
US5329076 *Jul 24, 1992Jul 12, 1994Otis Elevator CompanyElevator car dispatcher having artificially intelligent supervisor for crowds
US5345049 *Oct 8, 1993Sep 6, 1994Otis Elevator CompanyElevator system having improved crowd service based on empty car assignment
US5511635 *Jul 25, 1994Apr 30, 1996Otis Elevator CompanyFloor population detection for an elevator system
US8151943Aug 19, 2008Apr 10, 2012De Groot Pieter JMethod of controlling intelligent destination elevators with selected operation modes
US8286755 *May 23, 2007Oct 16, 2012Mitsubishi Elelctric CorporationGroup management controller of elevator including limit value setting means for setting a limit value for limiting a count of car calls
US8397874Mar 7, 2012Mar 19, 2013Pieter J. de GrootIntelligent destination elevator control system
US8820484 *Mar 20, 2009Sep 2, 2014Shijiazhuang Wulon Brake Co., LtdCircuits and methods for controlling elevator braking system
US9136749 *Sep 25, 2013Sep 15, 2015John M. CallierElevator electrical power system
US20090050417 *Aug 19, 2008Feb 26, 2009De Groot Pieter JIntelligent destination elevator control system
US20100300814 *May 23, 2007Dec 2, 2010Mitsubishi Electric CorporationGroup management controller of elevator
US20110240411 *Mar 20, 2009Oct 6, 2011Shijiazhuang Wulon Brake Co., LtdControl circuit and control method of elevator braking systems
EP2558392A4 *Apr 12, 2010Sep 13, 2017Otis Elevator CoElevator dispatch control to avoid passenger confusion
WO1981001550A1 *Nov 25, 1980Jun 11, 1981Otis Elevator CoRelative system response elevator call assignments
Classifications
U.S. Classification187/387
International ClassificationB66B1/34, B66B1/20, B66B1/16, B66B1/24
Cooperative ClassificationB66B1/2458, B66B1/3484, B66B2201/211, B66B2201/303, B66B2201/241, B66B2201/403, B66B2201/102, B66B2201/226, B66B2201/243, B66B2201/231, B66B2201/222
European ClassificationB66B1/24B6, B66B1/34D2
Legal Events
DateCodeEventDescription
Jul 27, 1987AS02Assignment of assignor's interest
Owner name: DELAWARE CAPITAL FORMATION, INC., 1100 NORTH MARKE
Owner name: DOVER CORPORATION
Effective date: 19870601
Jul 27, 1987ASAssignment
Owner name: DELAWARE CAPITAL FORMATION, INC., 1100 NORTH MARKE
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:DOVER CORPORATION;REEL/FRAME:004762/0078
Effective date: 19870601
Owner name: DELAWARE CAPITAL FORMATION, INC.,DELAWARE
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:DOVER CORPORATION;REEL/FRAME:004762/0078