| Patents for B66B 1 - Control systems of elevators in general (12,295) |
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| 09/06/1994 | US5345049 Elevator system having improved crowd service based on empty car assignment |
| 09/06/1994 | US5345048 Elevator speed check using constant ratiometric comparison |
| 09/06/1994 | US5345042 Elevator hitch load weighing tare compensation |
| 08/31/1994 | CN1091389A Non-cable micro computer controlled lift system |
| 08/30/1994 | US5343003 Recalibration of hitch load weighing using dynamic tare |
| 08/30/1994 | US5341902 Energy saver elevator |
| 08/30/1994 | CA1331794C Method and apparatus for the distance control of a positioning drive |
| 08/16/1994 | US5338904 Early car announcement |
| 08/04/1994 | WO1994017496A1 Process for monitoring and/or detecting changes under load of the operating state of an electrical power machine |
| 08/03/1994 | CN1090250A Elevator floor-aligning locator |
| 08/02/1994 | US5334807 Apparatus for elevator group control having low service floor detection for improved passenger pickup efficiency |
| 07/27/1994 | EP0607646A1 Elevator velocity control |
| 07/27/1994 | EP0607645A1 Regenerative elevator induction motor control |
| 07/19/1994 | US5331121 Elevator control apparatus |
| 07/12/1994 | US5329077 Elevator ride quality |
| 07/12/1994 | US5329076 Elevator car dispatcher having artificially intelligent supervisor for crowds |
| 07/06/1994 | CN2170938Y Simple safety device for elevator |
| 06/29/1994 | EP0603859A1 Remote controller linkage to an elevator system |
| 06/29/1994 | EP0603682A1 System for remote control of elevator equipment |
| 06/28/1994 | US5325036 Elevator speed sensorless variable voltage variable frequency induction motor drive |
| 06/28/1994 | US5324225 Interactive toy figure with sound-activated and pressure-activated switches |
| 06/28/1994 | US5323878 Braking apparatus for elevator cage |
| 06/22/1994 | CN1088179A 电梯系统 Elevator system |
| 06/21/1994 | US5322144 Active control of elevator platform |
| 06/15/1994 | EP0601842A1 Automated dispatcher for two-stop elevator system |
| 06/14/1994 | US5321217 Apparatus and method for controlling an elevator horizontal suspension |
| 06/08/1994 | CN1024913C Monitoring controlling device for lift |
| 06/01/1994 | CN2167073Y Composite type control board for elevator |
| 06/01/1994 | CN2167072Y Hydraulic speed controlling device for elevating containers |
| 06/01/1994 | CN1024779C Signal transmission device of lift |
| 06/01/1994 | CN1024778C Adjusting device for lift |
| 05/31/1994 | US5317114 Elevator system having dynamic sector assignments |
| 05/25/1994 | CN2166110Y Computerized layer-storing device |
| 05/25/1994 | CN1024648C Apparatus for hydraulicly controlling elevator |
| 05/18/1994 | CN1024521C Controlling device for driving hydraulic elevators |
| 05/17/1994 | US5313549 Procedure for filtering the speed feedback signal |
| 05/17/1994 | US5313026 Electronic stepper to determine elevator car position, with automatic error correction and immunity from power failure |
| 05/11/1994 | CN1024456C Elevator operating device for power break-off |
| 05/04/1994 | CN1024408C Display for electric lift |
| 05/03/1994 | US5308938 Elevator active suspension system |
| 05/03/1994 | US5307903 Method and system of controlling elevators and method and apparatus of inputting requests to the control system |
| 04/28/1994 | WO1994009558A1 Contactless power delivery system |
| 04/28/1994 | CA2147258A1 Contactless power delivery system |
| 04/27/1994 | CN1024338C 液压电梯 Hydraulic lift |
| 04/27/1994 | CN1024336C Control system for driving device in hydraulic lifts |
| 04/26/1994 | US5306882 Measuring elevator hoistway position using audible signals |
| 04/26/1994 | US5306879 Load measuring apparatus for an elevator car |
| 04/26/1994 | US5306878 Method and apparatus for elevator group control with learning based on group control performance |
| 04/20/1994 | CN1085520A Method and apparatus for controlling and automatically correcting the command for deceleration/stoppage of the cage of a lift or a hoist in accordance with variations in the operating data of the..... |
| 04/19/1994 | US5305198 Method and apparatus for the immediate allocation of target calls in elevator groups based upon operating costs and variable bonus and penalty point factors |
| 04/19/1994 | US5305194 Method and apparatus for preventing local bunching of cars in an elevator group with variable traffic flow |
| 04/19/1994 | US5304752 Elevator call allocation system based upon passenger waiting time |
| 04/19/1994 | US5304751 Elevator horizontal suspensions and controls |
| 04/19/1994 | CA2023958C Capacitive sensing, solid state touch button system |
| 04/05/1994 | US5301096 Submersible contactless power delivery system |
| 04/05/1994 | US5300739 Cyclically varying an elevator car's assigned group in a system where each group has a separate lobby corridor |
| 04/05/1994 | US5300738 Apparatus for registering and indicating hall calls at an elevator entryway with a ticket dispenser |
| 03/29/1994 | US5298697 Apparatus and methods for detecting number of people waiting in an elevator hall using plural image processing means with overlapping fields of view |
| 03/29/1994 | US5298696 Elevator car assignment using a plurality of calculations |
| 03/29/1994 | US5298695 Elevator system with varying motion profiles and parameters based on crowd related predictions |
| 03/23/1994 | CN1024084C Management control apparatus for elevator group |
| 03/22/1994 | US5296791 Method and apparatus for operating a hoist |
| 03/15/1994 | US5294757 Active vibration control system for an elevator, which reduces horizontal and rotational forces acting on the car |
| 03/09/1994 | EP0586190A1 Rescue operation for an elevator system |
| 03/03/1994 | WO1994004453A1 An energy balanced numerically controlled elevator |
| 03/02/1994 | EP0585135A1 Indicator system and method for elevators |
| 03/02/1994 | CN1083018A Safety device arrangement |
| 03/01/1994 | US5290976 Automatic selection of different motion profile parameters based on average waiting time |
| 03/01/1994 | US5289901 Hydraulic elevator pressure relief valve |
| 02/23/1994 | EP0583760A1 Elevator combination for the transportation of persons and/or goods |
| 02/23/1994 | CN1082507A Apparatus for controlling of elevator |
| 02/23/1994 | CN1082506A Numerical controlled lift featuring energy recovery |
| 02/22/1994 | US5288956 Self running type elevator system using linear motors |
| 02/16/1994 | EP0582805A1 Elevator safety catch |
| 02/09/1994 | EP0582170A1 Method and apparatus for controlling and automatically correcting the command for deceleration/stoppage of the cage of a lift or a hoist in accordance with variations in the operating data of the system |
| 02/08/1994 | US5285029 Device for driving elevator at service interruption |
| 02/08/1994 | US5285028 Group control method and apparatus for elevators for assignment of coincident calls |
| 02/08/1994 | US5285027 Hydraulic elevator and a control method thereof |
| 02/08/1994 | US5284325 Hoist with load shifted gear, detector, and motor speed changer |
| 02/01/1994 | US5283399 Group control of elevator system improvement measures |
| 01/25/1994 | US5281774 Drive control unit for hydraulic elevator |
| 01/18/1994 | US5279338 Modular automatic liquid chemical refill system |
| 01/18/1994 | CA2037558C Emergency braking system for a squirrel-cage elevator motor |
| 01/12/1994 | EP0578339A2 Up peak elevator channeling system with optimised preferential service to high intensity traffic floors |
| 01/12/1994 | EP0578238A1 Safety device arrangement |
| 01/12/1994 | CN1080613A Method and device for controlling of elevator |
| 01/11/1994 | US5278484 Procedure and apparatus for braking a squirrel-cage elevator motor fed by a frequency converter in fault situations |
| 01/05/1994 | CN1080260A Procedure and apparatus for the control of elevator doors |
| 01/04/1994 | US5276295 Predictor elevator for traffic during peak conditions |
| 01/04/1994 | US5276294 Elevator button improved to function as a lock |
| 01/04/1994 | US5276292 Operation check device of dynamic brake circuit for elevator |
| 12/28/1993 | US5274312 Method and apparatus for controlling a sliding elevator door |
| 12/28/1993 | US5274203 "Smart" position transducer system for elevators |
| 12/28/1993 | US5274202 Elevator dispatching accommodating interfloor traffic and employing a variable number of elevator cars in up-peak |
| 12/28/1993 | CA1325677C Training kit |
| 12/22/1993 | EP0575140A1 Speed sensorless variable voltage variable frequency induction motor drive |
| 12/22/1993 | CN2150182Y Auxiliary power apparatus for lifter of power cut |
| 12/22/1993 | CN1023204C Elevator active suspension system |
| 12/21/1993 | US5272288 Elevator traffic predictions using historical data checked for certainty |
| 12/21/1993 | US5272287 Elevator car and riser transfer |