Patents for B66B 1 - Control systems of elevators in general (12,295) |
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07/10/1990 | US4940117 Procedure for the tuning of the position controller of an elevator |
07/04/1990 | EP0376019A1 Cable load measuring device |
07/03/1990 | US4939679 Recalibrating an elevator load measuring system |
07/03/1990 | US4939634 Group control overload protection for elevators with immediate allocation of calls of destination |
07/03/1990 | US4938119 Valve means |
06/28/1990 | DE3941947A1 Shaft conveying machine cable winch drive - uses two three=phase asynchronous machines with slip-ring rotors coupled via electric line |
06/27/1990 | CN1043289A Braking device for elevator winding machine and elevator using the braking device |
06/26/1990 | CA1270967A1 Elevator system having an improved selector |
06/20/1990 | EP0373280A1 Hydraulic elevator system |
06/14/1990 | WO1990006623A1 Control system for a motor |
06/13/1990 | EP0372575A2 Encoder installing structure |
06/13/1990 | CN2058173U Single chip controller for a.c. elevator |
06/13/1990 | CN1043025A Remote monitor and diagnosis apparatus for elevator or the like |
06/12/1990 | US4932502 Hydraulic elevator system |
06/06/1990 | CN2057918U Floors selector of lift |
06/06/1990 | CN1008271B Controlling apparatus of elevator |
06/06/1990 | CN1008270B Method and device for probing position of cages in hydraulic elevator |
06/05/1990 | US4932069 Elevator motor control |
06/05/1990 | US4930604 Elevator diagnostic monitoring apparatus |
06/05/1990 | US4930603 Method and apparatus for serving the passenger traffic at a main floor of an elevator installation |
05/31/1990 | WO1990005693A1 Device for obtaining information concerning an elevator shaft |
05/23/1990 | CN2057414U Automatic controller for straight movement of elevator |
05/23/1990 | CN2057413U Computer controller for elevator |
05/22/1990 | US4928021 Elevator control apparatus |
05/22/1990 | US4926976 Method and apparatus for the control of elevator cars from a main floor during up peak traffic |
05/16/1990 | CN1042131A Elevator controlling apparatus |
05/16/1990 | CN1042130A Group controlling apparatus in elevator |
05/09/1990 | EP0367388A1 Elevator diagnostic monitoring apparatus |
05/09/1990 | EP0366883A1 Method and device for carrying out the process for absorbing the vibrations of the compartments of fast moving lifts |
05/08/1990 | US4924416 Apparatus for detecting relative crowding in a hall |
05/08/1990 | US4923055 Safety mechanism for preventing unintended motion in traction elevators |
05/02/1990 | EP0366097A1 Method and apparatus for the measurement and tuning of an elevator system |
05/02/1990 | EP0365782A1 Method and device for the group control of double-compartment lifts |
05/02/1990 | CN1007807B Apparatus for operating elevator of winding drum type |
04/25/1990 | CN1007723B Group control apparatus for elevator |
04/24/1990 | CA1268270A1 Device for limiting the overloading of hoisting machines |
04/24/1990 | CA1268206A1 Method of and apparatus for controlling the braking resistor of a frequency converter |
04/19/1990 | DE3934492A1 Emergency braking device for lift cage - uses wedges cooperating with guide rail controlled to maintain uniform braking |
04/18/1990 | CN1041330A 电梯控制系统 Elevator control system |
04/18/1990 | CN1007686B Apparatus for controlling ac elevator |
04/10/1990 | US4916368 Controlling method and device for permanent magnet synchronous motor |
04/10/1990 | US4915197 Elevator call registering and indicating device |
04/04/1990 | EP0361016A1 Control and indicator element for lifts in buildings with explosion risks |
03/28/1990 | CN1040769A Group controller of elevator for assigning calls aim-floors immediately |
03/21/1990 | CN2054783U Given partial pressure sliding plate used for electric elevator |
03/21/1990 | CN1007235B Controlling apparatus of elevator |
03/21/1990 | CN1007234B Method and apparatus for reducing gear backlash impacts in an elevator system |
03/20/1990 | US4909279 Fluid control valve |
03/14/1990 | EP0357936A1 Dynamic selection of elevator call assignment scan direction |
03/14/1990 | EP0357888A1 Method and device for generating lift shaft information |
03/14/1990 | CN1040351A Apparatus for transmitting signal to monitoring elevators |
03/13/1990 | US4908563 Method and device for braking a squirrel-cage motor |
03/13/1990 | CA1266729A1 Elevator communication controller |
03/07/1990 | EP0356731A1 Grouped control affording instantaneous attribution of destination calls |
03/07/1990 | CN2054027U Ac control system for speed of elevator |
03/07/1990 | CN1040180A Signal transmission apparatus in elevators |
02/27/1990 | USRE33171 Hydraulic elevator |
02/20/1990 | US4902954 Alternating current motor control apparatus |
02/20/1990 | US4901822 Group supervisory apparatus for elevator |
02/14/1990 | EP0354772A2 Recalibrating an elevator load measuring system |
02/06/1990 | CA1265631A1 Group control for elevators |
01/31/1990 | CN1039229A Method for solving passenger traffic at holt of electric lift |
01/24/1990 | CN1038994A Elevator controlling apparatus |
01/24/1990 | CN1006543B Speed control apparatus for elevator |
01/24/1990 | CN1006542B Management equipment for group of elevators |
01/23/1990 | US4895223 Method for sub-zoning an elevator group |
01/17/1990 | CN2051221U Multi-compartment circulating lift computer controller |
01/17/1990 | CN1006513B Lift control apparatus |
01/10/1990 | CN2050839U Elevator controlling device |
01/10/1990 | CN1038627A Elevator controlling apparatus |
01/10/1990 | CN1006376B Spare signal means for indicating lift position |
01/10/1990 | CN1006375B Control apparatus for alternating elevator |
01/03/1990 | CN1006294B Multicompartment elevator call assigning |
12/27/1989 | EP0348152A2 Queue based elevator dispatching system using peak period traffic prediction |
12/27/1989 | EP0348151A2 Optimized "up-peak" elevator channeling system |
12/27/1989 | CN2050031U Monoboard computer plane-layer device |
12/27/1989 | CN1006217B Device for indicating elevator remove |
12/27/1989 | CN1006216B Speed control device for elavator |
12/27/1989 | CN1006215B Speed control device for elevator |
12/21/1989 | DE3819934A1 Lift with an economy drive |
12/20/1989 | CN2049639U Computer controlled floor selector for elevator |
12/19/1989 | US4887695 Position control method and apparatus for an elevator drive |
12/13/1989 | CN1006054B Elevator speed control apparatus |
12/07/1989 | DE3818856A1 Passenger lift for two-storey dwelling houses |
12/05/1989 | CA1263773A1 Elevator system |
11/29/1989 | CN1037488A Elevator control apparatus |
11/29/1989 | CN1037487A Elevator control system |
11/29/1989 | CN1005910B Control device for elevator |
11/22/1989 | CN1037316A Elevator group control system |
11/21/1989 | CA1263068A1 Electrically controlled valve apparatus |
11/15/1989 | EP0342008A2 Weighted relative system response elevator car assignment system |
11/15/1989 | EP0341381A1 Method and device for the secure and easy input of control commands, especially for lifts |
11/15/1989 | CN1037124A Lifter controlling device |
11/15/1989 | CN1037123A Elevator control apparatus |
11/15/1989 | CN1037122A Customer participatory elevator control system |
11/15/1989 | CN1037121A Group-control method and apparatus for elevator system with plural cages |
11/14/1989 | US4880082 Method for determining the position of an elevator car and a pulse count based floor selector |
11/14/1989 | CA1262874A1 Elevator car |
11/07/1989 | US4878562 Group control for elevators with load dependent control of the cars |
11/01/1989 | CN1005624B Elevator rescue apparatus during stoppage of power supply |