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| Number | Title | Issue Date |
| 8123003 | Arrangement and method for determing the position of an elevator car using consecutive magnetic areas with magnetic poles of any two immediately adjacent consecutive magnetic areas of opposite directions to each other An arrangement and a method are provided for determining the position of an elevator car in the elevator hoistway. The arrangement includes a measuring apparatus fitted in connection with the elevator car. The measuring apparatus is arranged to form an electromagnet... | 02/28/2012 |
| 7958970 | Acceleration sensor calibrated hoist positioning A hoist positioning system includes an accelerometer attached to a hoist, a control unit for processing signals from the accelerometer and comparing the processed signals with reference data to determine a position of the hoist, a drive system for moving the hoist u... | 06/14/2011 |
| 7950499 | Control apparatus for an elevator responsive to car-mounted position detectors A control apparatus for an elevator has a support device mounted on a car, a detection device for detecting the position of the car, and a control unit for controlling operation of the elevator based on information from the detection device. The support device has a... | 05/31/2011 |
| 7938233 | System and method for detecting the state of an elevator cage An elevator system includes a lift cage, which is provided with a belt having markings disposed along the length thereof. A device for detecting at least the position, optionally, also the speed and the acceleration of the elevator cage, which is used to scan the ma... | 05/10/2011 |
| 7891467 | Elevator safety arrangement having safety spaces An elevator safety arrangement and a method for implementing safety spaces in an elevator has a mechanical safety device which can be set to a working position to ensure a sufficient safety space in the elevator shaft and an electric safety system for identifying th... | 02/22/2011 |
| 7857106 | Vertical position detection of a suspended elevator car A system for detecting the position of an elevator car includes a belt at which the elevator car is suspended and a detector for detecting the position of the belt, wherein the belt has on a first side a toothing in which a gearwheel of the detector mechanically pos... | 12/28/2010 |
| 7849975 | Safety arrangement of an elevator having sensors limiting extent of elevator travel The invention relates to a safety arrangement of an elevator and a method for implementing safety spaces in an elevator shaft. The elevator has an elevator control system, an elevator motor, a power supply circuit of the elevator motor, and at least one mechanical s... | 12/14/2010 |
| 7731000 | Roll-calling mechanism based vision system for elevator positioning A positioning system having a plurality of transponder modules each located at a known location for receiving an electromagnetic signal and emitting a light signal, at least one transceiver module for emitting an electromagnetic signal and receiving the light signal... | 06/08/2010 |
| 7699143 | Method of setting the floor associations of a plurality of operating units of an elevator installation In a method for setting the floor associations of a plurality of operating units of an elevator installation, a plurality of operating units is distributed over a plurality of floors. These floors can be traveled to by an elevator car having a transmitter unit. In t... | 04/20/2010 |
| 7690483 | Elevator including elevator rescue system Elevator comprising a car, a drive motor driving the car, a motor drive unit for controlling the drive motor and supplying power thereto, an encoder for sensing movement of the car, and an elevator rescue system for rescue operation in case of an emergency situation... | 04/06/2010 |
| 7669698 | Method and system for determining position information of an elevator Elevator system and a method for determining the position information of an elevator car is disclosed. The elevator system includes at least one elevator car, which is fitted to move in an elevator shaft, a control unit for controlling the motions of the elevator ca... | 03/02/2010 |
| 7597176 | Elevator car position determining system and method using a signal filling technique A method for determining a position of a moving object, such as an elevator car in an elevator shaft, includes the steps of mounting a leading sensor and a lagging sensor to the moving object and spacing the leading sensor from the lagging sensor by an offset distan... | 10/06/2009 |
| 7575103 | Elevator supervisory system for managing operating condition data An elevator supervisory system capable of managing abnormality data, operating condition data and car interior video data in association with one another, so that this data can be displayed in association with one another upon the occurrence of an abnormality. ... | 08/18/2009 |
| 7571791 | Device and method for self-aligning position reference system A positioning system for a moveable platform comprising at least one active array comprised of at least one light emitting element for transmitting a binary encoded identification, where the encoding may be spatial or temporal, positioned at a known location, at lea... | 08/11/2009 |
| 7540358 | Elevator apparatus including main and auxiliary sensors In an elevator apparatus, a control device obtains car information including at least one of car position information and car speed information based on a main detection signal from a main sensor unit. An auxiliary sensor unit detects arrival of a car at a preset re... | 06/02/2009 |
| 7540357 | Position reference system for elevators A position reference system for use with a conveyance, such as an elevator (12). The system includes a code affixed to or embedded within a suspension device or primary motion coupling such as a rope or coated steel belt (16). A reader (28) in a... | 06/02/2009 |
| 7533763 | Safety device, safety system, and method for supervising safety of an elevator system A safety system for supervising safety of an elevator may include a safety space in an elevator shaft, elevator buffers in the elevator shaft, or both; measuring means for continuous measurement of absolute position of an elevator car; and a safety device. If the sa... | 05/19/2009 |
| 7493991 | Electromagnetic/ultrasonic roll-calling/answering (EURA) system for elevator positioning A positioning system for an elevator cab (37) includes transponder modules (10) having a unique ID for receiving a signal (39) and emitting an ultrasonic signal when the signal is equivalent to the unique ID with a determination of position base... | 02/24/2009 |
| 7441631 | Passive ultrasonic RFID elevator positioning reference system An apparatus for measuring a position of a moveable platform includes a plurality of transponder modules. The transponder modules include an electromagnetic transmitter adapted to emit an electromagnetic signal, and an acoustic receiver adapted to receive an acousti... | 10/28/2008 |
| 7438158 | Safety monitoring device with instantaneous speed determination for a lift car A safety monitoring device is provided for a lift car which can be moved in a lift shaft by a traction drive via a lift control system and whose instantaneous position can be registered by a position registering device which supplies two position signals, produced i... | 10/21/2008 |
| 7360630 | Elevator positioning system The present invention provides an elevator position compensation system which minimizing the re-leveling of an elevator car in an elevator shaft. The elevator car is suspended in the shaft by an elevator cable system and elevator motor, wherein the elevator position... | 04/22/2008 |
| 7353912 | Elevator system The invention relates to an elevator system with at least one shaft, in which at least two cars can be made to travel along a common traveling path, and also with a shaft information system for determining the positions and speeds of the cars, which is connected to ... | 04/08/2008 |
| 7353916 | Elevator supervision A method and system for supervising the safety of an elevator having a car driven by a drive within a hoistway wherein a travel parameter (XABS,X″Acc,X′IGB) of the car is sensed and continually compared with a similarly sensed tr... | 04/08/2008 |
| 7350625 | Shaft door monitoring system for an elevator installation A shaft monitoring system for an elevator installation includes a contactless sensor enabling recognition from the elevator car whether a shaft door lock and a shaft door leaf are in a correct locked setting. A securing device mechanically secures the shaft door loc... | 04/01/2008 |
| 7204347 | Arrhythmic pulse sequence for sonic distance measurement A position detecting device for detecting the position of an object (12) movable along a predetermined path of movement, comprising a signal transmission medium (13) extending along the path of movement, a signal generator (15) movable together ... | 04/17/2007 |
| 7196527 | Redundant compact encoders A position transducer for a rotary member such as the rotor of a motor has a rotating encoder disc and flat, disc-shaped elements interacting with the encoder disc to produce position dependent signals. The encoder disc has at least one active element such as metal ... | 03/27/2007 |
| 7191038 | Electronically controlled vehicle lift and vehicle service system A vehicle lift has a communication and/or a lift control assembly, including a processor, which is functional to control the raising and lowering of the lift and to enable the display of, and communication of, a variety of lift data. The vehicle lift includes sensor... | 03/13/2007 |
| 7185742 | Drive axle with integrated electric motor for a hydraulic pump The invention relates to a drive axle (A) for a self-propelled work machine, in particular an industrial truck, in which two traction motors (EF1, EF2) spaced apart from each other and an electric motor (E1) arranged axially in between them and ... | 03/06/2007 |
| 7178637 | Both-way movable body driving mechanism and elevator using the same The invention provides an elevator apparatus comprising a cage 1 disposed inside a path of upward or downward movement vertically movably, a counterweight 2 vertically movable with the upward or downward movement of the cage 1, and a lift drive ... | 02/20/2007 |
| 7156210 | Freight elevator landing door control A control system for a motorized freight elevator landing door in which all of the doors in a single line of a hoistway are controlled with one set of proximity sensors carried on the elevator car. The sensors signal a controller that operates electric motors for op... | 01/02/2007 |
| 7147085 | Display system for elevator and information display device used in this system There is provided a display system for an elevator which can display an operating state of an elevator car without a sense of discomfort even though data transmission performance is not improved. Data concerning an operating state of an elevator car is transmitted f... | 12/12/2006 |
| 7149503 | System and method for associating postmark information with digital content A system and method is provided for associating postmark information with digital content. Content is created or otherwise selected from available content selections. Information is received at the mobile device from a radio frequency (RF) transponder. The informati... | 12/12/2006 |
| 7137770 | Transporting apparatus with position detection sensor A transporting apparatus is provided with a moving platform capable of moving vertically, an article loading platform that can be moved horizontally with respect to the moving platform, a contactless sensor provided on the moving platform, a detected member that is ... | 11/21/2006 |
| 7122988 | Rotation drive device and rotation drive method This rotation driving apparatus includes a torque generating circuit 72 for generating a torque of a servo motor 30 with voltage supply from a power source 71 and a motor control circuit 73 for controlling rotation of the motor. In the to... | 10/17/2006 |
| 7104182 | Contractile unit having a position sensor means A contractile unit comprising a contractile hose extending between two spaced head pieces and adapted to perform a longitudinal contraction on being subjected to internal pressure, and a position sensor means responsive to the distance between the head pieces. The p... | 09/12/2006 |
| 7089072 | Semiconductor manufacturing fault detection and management system and method The present disclosure provides a semiconductor manufacturing fault detection and management system and method for monitoring at least one manufacturing entity to detect state changes. ... | 08/08/2006 |
| 7077244 | Elevator cab locating system including wireless communication An elevator system (20) includes wireless communicating portions (40, 42) that communicate with each other to provide elevator cab (22) position information within a hoistway (24). In one example, a first communicating portion (40)... | 07/18/2006 |
| 7069664 | Portable coordinate measurement machine A portable coordinate measurement machine comprises an articulated arm having jointed arm segments. The arm includes joint assemblies which include at least two read heads in communication with a periodic pattern of a measurable characteristic, the pattern and read ... | 07/04/2006 |
| 7040459 | Elevator display system and method A display system for an elevator includes: a speed detecting device that detects speed of an elevator car; a position detecting device that detects position of the car; an operation control system that outputs speed information, stop floor information, and car posit... | 05/09/2006 |
| 7032716 | Destination selection control for elevator installation having multiple elevator cars The invention relates to a method for controlling an elevator installation with at least one shaft and a number of cars, it being possible to make at least two cars travel separately up and down along a common traveling path and a passenger being able to enter a des... | 04/25/2006 |
