Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


WITH MONITORING, SIGNALLING, AND INDICATING MEANS

Subclass of:

187 - Elevator, industrial lift truck, or stationary lift for vehicle

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
187391000WITH MONITORING, SIGNALLING, AND INDICATING MEANS89
20090120727Elevator Control System - An elevator control system includes an entrance person authentication section 05-14-2009
20080264732Elevator System and Method of Monitoring Elevators by Using a Virtual Elevator Group - The present invention relates to a method and an elevator system for monitoring elevators by using a virtual elevator group. The method for monitoring elevators in an elevator system including a plurality of elevators classified into a plurality of elevator groups, and at least one virtual elevator group including a plurality of elevators, at least one of which is included in a different elevator group and displaying the elevator related information on the elevators included in the selected virtual elevator group.10-30-2008
20080283342Maintenance Method and Device for an Elevator or Escalator Installation - A method and device for maintenance of an elevator installation or an escalator installation communicates the presence of a maintenance technician at the elevator or escalator installation to a remote service center. The service center is thus informed about that the maintenance technician has to maintain or is maintaining or has maintained a specific installation and is in a position of checking the quality of this maintenance. The maintenance operations are recorded as a maintenance record and communicated to the service center. For example, the maintenance record contains details about which maintenance technician on which day of the year and for how long has undertaken which maintenance operations on a specific elevator or escalator installation. The quality of a thus detected maintenance can then be compared with a quality standard. In addition, the maintenance operations performed are thus uniquely detected and can be evaluated.11-20-2008
20110284330Elevator emergency phone - light combination - The present invention is a combined emergency communication and illumination system for an elevator car that activates automatically upon the malfunction of the elevator occasioned by a reduction or cessation of AC voltage. The combined system automatically illumines the elevator car with an emergency, high-brightness LED system and initiates an emergency telephone call for assistance to monitoring personnel, who can thereby communicate with any occupant of the elevator car. The combined system is powered by a rechargeable DC battery. The system also enables monitoring personnel to activate a flashing LED in the elevator car that is next to labeling that notifies passengers that help is on the way when such LED flashes on and off.11-24-2011
20120024636ELEVATOR DERAILMENT DETECTING APPARATUS - In an elevator derailment detecting apparatus, first and second conducting wires are disposed parallel to a direction of raising and lowering of an ascending/descending body inside a hoistway. First and second contacts that respectively contact the first and second conducting wires if the ascending/descending body disengages from a guide rail are mounted to the ascending/descending body. The first conducting wire is set to positive electric potential, and the second conducting wire is set to ground electric potential. The detecting portion detects by the presence or absence of conduction between the first contact and the first conducting wire whether or not the ascending/descending body is disengaged from the guide rail.02-02-2012
20090218176CONDITION MONITORING METHOD - Method for the condition monitoring of the safety switches of the safety circuit of an elevator. Inferences can be made about the condition of a safety switch by measuring and examining the current of the safety circuit of the elevator after the state of the safety circuit has changed. The current signal is filtered, after which the amount of interference caused by contact malfunctions of the switch is determined from it. Based on the amount of interference it is possible to determine in what condition the switch is.09-03-2009
20090283369Communication of Service Disruption Information in a Group Elevator System - Elevator service disruption information is communicated to passengers in a group elevator system (11-19-2009
20090266650ELEVATOR APPARATUS - In an elevator apparatus, an actuator for generating a vibration-damping force against the lateral vibration of a car is provided in parallel to elastic member for preventing the lateral vibration of the car. The actuator is controlled by a vibration-damping control unit. The vibration-damping control unit estimates a natural frequency of the lateral vibration of the car, determines a gain value on the basis of the estimated natural frequency and a rigidity value of the elastic member, and drives the actuator in accordance with an instruction signal obtained by multiplication of the determined gain value.10-29-2009
20110005868LOAD PORT APPARATUS, LID MEMBER MOUNTING AND DISMOUNTING APPARATUS FOR LOAD PORT APPARATUS, AND CONTROLLING METHOD FOR LIFTING MECHANISMS OF MAPPING APPARATUS - A load port apparatus is disclosed wherein the total period of time of operation of a lid member mounting and dismounting apparatus and a mapping apparatus is minimized while avoiding interference of the two apparatus with each other. An interference avoiding sensor apparatus is provided on the lid member mounting and dismounting apparatus and the mapping apparatus and detects that a lid member suction plate of the lid member mounting and dismounting apparatus is disposed at a position lower by a value exceeding a preset value than the arm to which the mapping sensors are attached to enable pivotal motion of the arm without interfering with the lid member suction plate. Then, immediately after the preset value is detected by the interference avoiding sensor apparatus, the arm is pivoted to the mapping position to start the mapping.01-13-2011
20100243381OPERATION DEVICE AND ELEVATOR APPARATUS WITH OPERATION DEVICE - In a method of marking pictograms, for reducing the number of erroneous operations, on an operation apparatus conducting mutually different operations such as opening and closing operations, a concretized human pictogram indicating mutually different state changes such as state changes represented by use of a face with opened eyes and a face with closed eyes associated with operation signals assigned to a pair of operation switches and a pictogram in which the human pictogram is combined with an operation pictogram representing a state in which a door concretizing an operation target to operate in response to an operation signal is opened or is being completely closed are respectively attached to the operation switches disposed adjacent to each other.09-30-2010
20110108369DETERMINATION OF THE MOVEMENT OF A SYNCHRONOUS MACHINE - The invention relates to a method and an apparatus for determining the movement of a synchronous machine. The apparatus for determining the movement of a synchronous machine comprises a determination for at least one electrical magnitude of the synchronous machine; a determination of the position error of the rotor of the synchronous machine, which is fitted to determine the position error of the rotor on the basis of the aforementioned at least one electrical magnitude of the synchronous machine; and also a correction of the movement signal of the incremental sensor, which is fitted to correct the read movement signal of the incremental sensor on the basis of the aforementioned determination of the position error of the rotor of the synchronous machine.05-12-2011
20110132700LENGTH ADJUSTABLE PASSENGER HANDLE ASSEMBLY FOR ELEVATOR - Disclosed herein is a distance adjustable passenger handle assembly for an elevator. The handle assembly comprises plural fixing members (06-09-2011
20090120728Elevator Motor Brake Torque Measurement Device - An elevator machine (05-14-2009
20110315489ELEVATOR TENSION MEMBER MONITORING DEVICE - A tension member monitoring device is provided with at least one contact sensor (12-29-2011
20080196980Elevator System - An elevator system that includes a film sensor is arranged on the inner surface of a wall panel in the elevator car, and a prescribed control operation is performed when the detection output of the film sensor exceeds a prescribed level. This system allows for a quick response to an emergency at low cost, and can be used in a variety of locations without influencing the layout and design of the elevator car.08-21-2008
187392000 Monitors passengers 13
20120181117ELEVATOR CAB ACCESSORY DEVICE - An elevator cab accessory device having a control panel having a first timer and a first contactor, whereby the first timer operates the first contactor, an elevator door position sensor communicating with the first timer, and an occupant sensor communicating with the first timer, wherein the first timer operation is controlled by the elevator door position sensor and the occupant sensor, and a first elevator cab accessory communicating with the first contactor, whereby the first elevator cab accessory operation is controlled by the first contactor. Also disclosed is a method for controlling elevator accessories and a method for installing an elevator cab accessory device.07-19-2012
20090057069Elevator information display and security monitor system - A dynamic display and monitor system for use in or near an elevator includes a display mechanism mounted proximate an elevator landing, the display mechanism including a video monitor; a player mechanism remote from and operatively connected with the display mechanism, the player mechanism configured to feed substantially continuous visual content to the video monitor for display thereon; and an Internet-based server mechanism operatively coupled with the player mechanism over the Internet for programming the visual content for feeding by the player mechanism to the video monitor of the display mechanism. An in-elevator cab infotainment and security system includes a display configured for wireless operative coupling with a remote server, the display being configured further to present viewable infotainment content to a viewer riding in the elevator cab, and a security camera configured for wireless operative coupling with a remote server, the camera capturing digital imagery of a substantial portion of the elevator cab interior for remote security monitoring, the display and camera being mounted within an enclosure configured to mount within an interior region of an elevator cab, the display and the camera being operatively coupled to a remote server via the Internet.03-05-2009
20090057068Video Aided System for Elevator Control - An elevator control system (03-05-2009
20120181116ELEVATOR CAB ACCESSORY DEVICE - An elevator cab accessory device having a control panel having a first timer and a first contactor, whereby the first timer operates the first contactor, an elevator door position sensor communicating with the first timer, and an occupant sensor communicating with the first timer, wherein the first timer operation is controlled by the elevator door position sensor and the occupant sensor, and a first elevator cab accessory communicating with the first contactor, whereby the first elevator cab accessory operation is controlled by the first contactor. Also disclosed is a method for controlling elevator accessories and a method for installing an elevator cab accessory device.07-19-2012
20090229925IMAGE MONITORING APPARATUS FOR ELEVATOR - In an image monitoring apparatus for an elevator, image recording means records an image in a car photographed by a camera, and monitors based on the image in the car whether or not there is a violent behavior of a passenger in the car. The image recording means makes a recording density of the image in the car higher than usual when the violent behavior of the passenger in the car is detected. The operation control means homes the car on a predetermined floor when the violent behavior of the passenger in the car is detected by the image recording means.09-17-2009
20110094832Elevator Safety Systems - An elevator system comprising a hoistway (04-28-2011
20110253486DEVICE AND METHOD FOR ELEVATOR MONITORING - A method for monitoring an elevator controls an image capturing device located inside the elevator to capture a current image inside the elevator when a malfunction of the elevator is detected by one or more monitor devices. The method further analyzes the current image to determines if there are passengers trapped inside the elevator. In addition, the method generates a rescue message and sends the rescue message to an emergency response department through a network upon the condition that there are passengers trapped inside the elevator.10-20-2011
20120168262METHOD FOR ENABLING THE USE OF AN ELEVATOR SYSTEM BY DISABLED PERSONS - A method for enabling the use of an elevator system by disabled persons includes detecting at least one position change of a user using at least one sensor, said position change being in the form of at least one signal and at least one reference signal. The signal is then compared to the reference signal. At lease one signal status change is generated when at least one predefined comparison result is fulfilled. For the generated signal state change, the elevator system is at least partially brought to an operating mode enabling the use thereof by disabled persons.07-05-2012
20100116596SERVICE CONTROLLER FOR DETERMINING CROWDING IN AN ELEVATOR CAR - A service controller for crowded elevator cars includes an illuminating apparatus (05-13-2010
20090218177ELEVATOR SYSTEM - The present invention discloses a method, a device, a computer program and a system for detecting the arrival in the elevator car/departure from the elevator car of elevator passengers. In the method the vertical acceleration values of the elevator car are received from the acceleration sensor and the passengers arriving in the elevator car and/or leaving the elevator car are detected on the basis of the vertical acceleration measurements of the acceleration sensor.09-03-2009
20080223667Elevator System Control Responsive to Hoistway Access Detection - An elevator system (09-18-2008
20130168191EMERGENCY OPERATION OF ELEVATORS - An elevator system directs an elevator car to one or more particular floors based on a type of emergency that appears to be occurring in the car. The emergency is detected using one or more sensor units in or on the elevator car. The elevator system can direct the car to a floor that has equipment and/or personnel for handling the emergency.07-04-2013
20080217112METHOD AND CALL SYSTEM - A method and an elevator call entry system for calling an elevator in a building (09-11-2008
187393000 Monitors operational parameter 61
20130025976SAFETY CIRCUIT - An exemplary safety circuit includes a plurality of contacts that are configured to establish a conductive path across the contacts when the contacts are in electrically conductive contact with each other. The contacts selectively interrupt the conductive path across them when the contacts are separated. A controller selectively introduces a voltage pulse across the contacts at a voltage level that is effective to overcome an electrical resistance of any contamination on at least one of the contacts. The controller introduces the voltage pulse at least when the contacts are expected to be in contact to establish the conductive path.01-31-2013
20080230326Condition monitoring system - The present invention relates to an elevator condition monitoring system, which comprises at least a control unit (09-25-2008
20120175196Remote Access Of An Elevator Control System With Multiple Subsystems - A method and system for remote access to multiple subsystems (07-12-2012
20120181118DEVICE FOR DISPLAYING FLOOR INFORMATION OF OPERATING ELEVATOR USING ACCELERATION SENSOR - The present invention relates to a device for displaying floor information of an operating elevator, which provides a user with information on the floor where an elevator car is positioned by operating the current position of the elevator car. The device is not electrically connected to an existing elevator driving system, so that the installation procedure of the display device is simple and easy. In addition, it is possible to realize integration even though every elevator employs protocols different from each other.07-19-2012
20120217100METHOD FOR OPERATING ELEVATORS - A method for operating an elevator having a car driven by a motor and at least one brake to stop the car, the method including closing a brake, increasing a torque of the motor until the car moves, and registering a value indicative of the motor torque at which the car moves.08-30-2012
20090095575ELEVATOR SYSTEM04-16-2009
20110011682METHOD FOR MONITORING OPERATION OF AN ELEVATOR DRIVE BRAKE DEVICE - An elevator drive has a brake device with compression springs to actuate brake levers, and brake linings on a brake drum creating a braking force. A sensor is provided to detect the movement of a brake magnet armature tappet. A bracket is attached to the brake magnet tappet on one end and a distance piece carrying the sensor housing is arranged on the other end. A restoring lug is attached to the existing mechanical indicator. A monitor evaluates the sensor signal and turns off the elevator drive in the event of dangerous operational states via a safety circuit. The system allows the state of the brake device to be monitored. The more the brake linings wear off due to abrasion, the smaller the distance between the armature and the brake magnet housing. If the armature is in contact with the brake magnet housing, the braking ability of the brake linings is completely void.01-20-2011
20090014256Elevator Apparatus and Method of Controlling the Apparatus - An elevator apparatus has an elevator control apparatus having an operation control portion that controls operation of a car and a supervising portion that detects an abnormality in a movement of the car. When the supervising portion performs initial setting, the operation control portion causes the car to travel at a lower speed than the speed at a time of normal operation according to each phase of the initial setting.01-15-2009
20100000825Elevator System to Maintain Functionality During a Power Failure - The invention provides a system and method for handling power outages in a multiple car elevator system in a building having a plurality of floors. The system includes an energy calculator connected to the elevators, and determines a total energy of the elevator system, a total energy required to handle a power outage, a plan to prepare for a power outage and a plan to handle a power outage. The system also includes a movement controller connected to the elevator(s) and the energy calculator. The movement controller receives the plan to prepare and the plan to handle from the energy calculator, and the movement controller executes the plan to prepare if there is no power outage and the movement controller executes the plan to handle if there is a power outage.01-07-2010
20120292136ELEVATOR SAFETY CONTROL DEVICE - An elevator safety control device realizing suppression in increase in cost and labor hour of installation and maintenance without deteriorating safety of normal safety control functions even when a plurality of safety control functions are provided. The elevator safety control device includes an independence assurance unit assuring independence of a safety control function. The independence assurance unit assures independence of each of the safety control functions by monitoring whether or not the safety control function accesses a memory other than a permitted region. When the independence assurance unit detects an access to the memory other than the permitted region by a predetermined safety control function, the elevator safety control device stops a car.11-22-2012
20120292135ELEVATOR HOISTING MACHINE AND ELEVATOR HOISTING MACHINE MANUFACTURING METHOD - A coupling shaft includes: a boss portion; and a rotation detector mounting shaft portion that protrudes outward from the boss portion away from the motor shaft. An inner circumferential surface of a penetrating aperture disposed on a mounting member is an inclined pressing surface that is inclined relative to a shaft axis of the motor shaft such that an inside diameter of the penetrating aperture increases continuously toward the motor shaft. An inclined bearing surface that is inclined relative to a shaft axis of the coupling shaft is disposed on the boss portion so as to be formed into an annular shape around the shaft axis of the coupling shaft, and such that an outside diameter of the boss portion increases continuously toward the motor shaft. The inclined pressing surface is able to contact the inclined bearing surface by the mounting member being displaced toward the motor shaft.11-22-2012
20110284331ELECTRICAL SIGNAL APPLICATION STRATEGIES FOR MONITORING A CONDITION OF AN ELEVATOR LOAD BEARING MEMBER - An elevator load bearing member (11-24-2011
20120097487Building Sway Resistant Elevator Derailment Detection System - An elevator derailment detection system (04-26-2012
20120186916SAFETY DEVICE FOR ELEVATOR AND ROPE SLIP DETECTION METHOD - In a safety system for an elevator, slip detection means detects a slip between a drive sheave and a main rope. A safety gear is mounted to a car, the safety gear being electrically operated by an actuator to cause the car to make an emergency stop regardless of whether a running direction of the car is upward or downward. A safety gear controller cuts power supply to a hoisting machine motor and causes the safety gear to make a braking operation upon detection of the slip between the drive sheave and the main rope by the slip detection means.07-26-2012
20090166133Positioning Method in an Elevator System - The present invention presents a method and a system for the positioning of the elevator car and the door of the elevator in the condition monitoring system. In the method the accelerations of the elevator car and the door of the elevator are measured with sensors. By integrating the acceleration information two times in relation to time the position information is determined. When the condition monitoring system detects a fault, forecasts a malfunction occurring in the future or detects a significant change in the operation of the elevator or in the measuring signals related to the elevator, it is possible to attach to this information the location of the fault or event i.e. the position of the elevator or the position of a door of a certain floor level on the slide path. The position information can be synchronized to a separate reference point by means of a positioned switch by making an adjustment to the position information at the reference point. The measuring error caused by the misalignment of the position of the acceleration sensor is compensated for either with electronics or using a program.07-02-2009
20090250298Elevator group and method for controlling an elevator group - A set of elevators, e.g. an elevator group, is connected to a common power supply. The elevators are controlled by a common control system so that an elevator car having stopped is prevented from being dispatched in the up direction if, of the elevator cars of the elevators connected to the common power supply, more cars are moving upwards than are moving downwards.10-08-2009
20120193174SAFETY DEVICE FOR ELEVATOR AND ROPE SLIP DETECTION METHOD - In a safety system for an elevator, slip detection means detects a slip between a drive sheave and a main rope. A safety gear is mounted to a car, the safety gear being electrically operated by an actuator to cause the car to make an emergency stop regardless of whether a running direction of the car is upward or downward. A safety gear controller cuts power supply to a hoisting machine motor and causes the safety gear to make a braking operation upon detection of the slip between the drive sheave and the main rope by the slip detection means.08-02-2012
20090277724ELEVATOR SYSTEM - The invention relates to an elevator system having an elevator shaft and at least one elevator cabin movable inside the elevator shaft. The elevator system further comprises a decentralized control system having a first analysis unit associated with one of the at least one elevator cabin, a second analysis unit associated with the elevator shaft, and a number of third analysis units. The first, second, and third analysis units are connected to one another via a bus connection, wherein signal transmission occurs via the bus connection using a safety protocol such that the transmission of safety-relevant data is allowed between the analysis units. The safety protocol is structured such that transmission errors are detected and data corruption is indicated. Moreover, the first analysis unit associated with the elevator cabin is connected to sensors for securely detecting the position of the elevator cabin, allowing control of safety devices of the elevator system. The second analysis unit is connected to a drive of the elevator system.11-12-2009
20110056773MAGNETIC GUIDING APPARATUS OF ELEVATOR - A guide apparatus includes a pair of guide rails, magnet units, pedestals, a sensor unit, a magnetic guide control apparatus as a control unit, and projected parts. The magnet unit includes electromagnets and permanent magnets and magnetic poles thereof are opposed to a blade of the guide rail from three directions with a gap. The projected parts are formed with side parts of a tip part of a central magnetic pole opposite to a tip surface of the blade of the guide rail among the magnetic poles of the magnet unit being brought closer to the guide rail than a center section thereof.03-10-2011
20090139802ELEVATOR - The present invention relates to an elevator and a method for measuring the load in an elevator, in which the elevator car is suspended on hoisting ropes with at least one upward-directed diverting pulley or diverting pulley pair, from which the elevator ropes go upwards on both sides, and at least one downward-directed diverting pulley or diverting pulley pair, from which the elevator ropes go downwards on both sides. In the elevator at least one upward-directed diverting pulley or diverting pulley pair and at least one downward-directed diverting pulley or diverting pulley pair is fixed to the elevator car with a shared supporting structure. In the method the tension information is measured from a supporting structure and a load-weighing signal is formed using the tension information obtained.06-04-2009
20110147135METHOD AND APPARATUS FOR DETERMINING THE MOVEMENT AND/OR THE POSITION OF AN ELEVATOR CAR - A method and apparatus for determining the movement and/or the position of an elevator car include a first monitoring unit for analyzing first signals of a first sensor device for obtaining information about the movement and/or the position of the elevator car, for detecting a possible faulty behavior of the elevator system, and for initiating corresponding safety measures. A second sensor device, which does not operate on the principle of the first sensor device, registers changes of the movement state of the elevator car and emits corresponding second signals to a second monitoring unit that analyzes the second signals and detects changes of the movement state of the elevator car. A fault signal is generated if the movement signals that are obtained from the first monitoring unit are incoherent with the changes of the movement state of the elevator car that are detected by the second monitoring unit.06-23-2011
20110067958ELEVATOR INSTALLATION AND METHOD FOR MAINTENANCE OF SUCH AN ELEVATOR INSTALLATION - An elevator system and a method for maintenance of such an elevator system include a device for receiving a plurality of sensor signals. The device is mounted on at least one elevator car or at least one counterweight of the elevator system. The device includes at least one processor and at least one computer-readable data store in at least one device housing. A first sensor for generating a sensor signal is a position sensor and/or a speed sensor and/or an acceleration sensor which is mounted in and/or on the device housing.03-24-2011
20120199422ELEVATOR APPARATUS - A speed governor includes: a centrifugal weight that revolves around a predetermined revolving shaft in response to movement of a car; an extensible body to which the centrifugal weight is connected, and that is rotated around the revolving shaft, the extensible body being displaced relative to the revolving shaft in response to a centrifugal force to which the centrifugal weight is subjected due to the revolution; a switching apparatus that extends and retracts the extensible body in response to an elevator operational state; and an operation detecting apparatus that detects whether a state of the extensible body is an extended state in which the extensible body is extended or a retracted state in which the extensible body is retracted. A controlling apparatus determines presence or absence of an abnormality in the speed governor by comparing the elevator operational state and detection results from the operation detecting apparatus.08-09-2012
20090127031Weight Calculation Compensation - The present invention may be said to consist in a method of determining weight of a payload lifted by a rig of a load lifting machine, and/or a apparatus 05-21-2009
20080202863ELEVATOR INSTALLATION WITH A SUPPORT MEANS MONITORING DEVICE FOR MONITORING THE STATE OF THE SUPPORT MEANS AND A METHOD FOR CHECKING THE SUPPORT MEANS - An elevator installation includes a device for monitoring the state of support belts. An elevator car and a counterweight are connected by the support belts and are movable in a vertical shaft in opposite sense along guide tracks. The monitoring device is fastened to the guide track by a support and has a guide device, preferably a guide roller, which guides the support belt along a scanning surface the monitoring device. The scanning surface and the support belt are protected simply and effectively against damage.08-28-2008
20080202862Signal Strip And System For Determining A Movement Status Of A Moving Body - The invention relates to an oblong signal strip (08-28-2008
20110108370ELEVATOR ALERT - The elevator alert includes an elevator pit can (05-12-2011
20110315490INTELLIGENT ELEVATOR SAFETY MONITOR - In accordance with at least some embodiments of the present disclosure, a process for determining the safety of an elevator is described. The process may be implemented to collect, by an acceleration sensor, an operational measurement of the elevator in operation, wherein the operational measurement comprises a velocity measurement of the elevator. The process may be implemented to determine, by a processor, an operational status of the elevator by evaluating the operational measurement. The process may further be implemented to generate, by the processor, a warning signal when the operational status indicates that the elevator is operating abnormally.12-29-2011
20120043166ELEVATOR DEVICE - In an elevator device, a signal diagnosis device includes: a signal input section to which a sensor signal from a sensor is input; a disconnection detecting section for outputting a diagnosis signal for detecting disconnection to the sensor and detecting a state of a signal turned back at the sensor to be input so as to detect whether or not disconnection of the signal from the sensor occurs; a switch for turning ON/OFF an input of the signal to the disconnection detecting section; and a disconnection-detection diagnosis section for operating the switch to diagnose whether or not the disconnection detecting section functions normally. Further, a car is stopped when occurrence of the disconnection is determined by the signal diagnosis device or when an abnormality is detected by the disconnection-detection diagnosis section.02-23-2012
20120006631ELEVATOR SYSTEM - An elevator system in which a controller monitors whether or not a speed of an ascending/descending body reaches a preset overspeed. At a time of maintenance work, a stopper is interposed between a buffer and the ascending/descending body to limit a lowered position of the ascending/descending body. Stopper detection means detects installation of the stopper onto at least one of the buffer and the ascending/descending body. When the stopper is detected by the stopper detection means, the controller lowers a set value of the overspeed.01-12-2012
20130153340CHECKING STATES IN AN ELEVATOR INSTALLATION - An elevator installation includes a cage, a counterweight, a drive and at least one support element. The cage and the counterweight are supported by the support element, which is driven by the drive to move the cage and the counterweight in opposite directions. The support element includes at least one test element, wherein the test element is contacted by at least one contacting device and connected with a measuring device so that an electrical resistance of the test element is determinable by the measuring device, wherein the electrical resistance of the test element changes due to stretching of the test element so that through measurement of the electrical resistance of the test element at least one of the following states of the elevator installation is ascertainable: loading of the cage, a slack support element, a tension difference between at least two support elements and damage of the support element.06-20-2013
20120125720Rope Sway Mitigation Via Rope Tension Adjustment - A rope sway mitigation device for an elevator system includes a rope tension adjuster connected to a plurality of ropes operably connected to an elevator car. The rope tension adjuster is configured to adjust a tension of at least one individual rope of the plurality of ropes thereby mitigating excitation of natural frequencies of the plurality of ropes during sway of at least one component of the elevator system and or a building in which the elevator system is located. Further disclosed is an elevator system including a rope sway mitigation device and a method of rope sway mitigation in an elevator system.05-24-2012
20100051391SAFETY ARRANGEMENT - The present invention presents an arrangement and a method for monitoring a safety circuit. The system comprises a control appliance and the safety circuit comprises at least one serial circuit of two or more switches. The arrangement according to the invention comprises first means for measuring the status of at least one switch, as well as means, in connection with the first means, for conveying the status information of the switch to the control appliance. In the method according to the invention the status information of at least one switch is measured with the first means and the status information of the switch is sent to the control appliance using the first means for conveying the status information of the switch to the control appliance.03-04-2010
20080245619Elevator Top of Car Safety - An elevator car (10-09-2008
20080230325Control Device of Elevator - In an elevator control apparatus, calculations regarding the control of an elevator are performed in a duplexed system including first and second processing portions. A first clock signal from a first clock is input to the first processing portion. A second clock signal from a second clock is input to the second processing portion. The first and second clock signals are input to a clock abnormality detecting circuit. The clock abnormality detecting circuit counts the numbers of pulses of the first and second clock signals, and detects abnormalities in the first and second clock signals from a difference between the numbers of the pulses.09-25-2008
20110253487METHOD OF MONITORING AN ELEVATOR SUPPORT MEANS, AN ELEVATOR SUPPORT MEANS MONITORING DEVICE, AND AN ELEVATOR INSTALLATION WITH A MONITORING DEVICE OF THAT KIND - An elevator support monitoring device in an elevator system and a method for monitoring the elevator support means monitor a characterizing property, preferably an electrical resistance, of the elevator support or of a tension support of the elevator support and a sudden change in the characterizing property is detected. A state of the elevator support is determined by evaluating several consecutive, sudden changes in the characterizing property.10-20-2011
20080223668Electrical Signal Application Strategies for Monitoring a Condition of an Elevator Load Bearing Member - An elevator load bearing member (09-18-2008
20130133987ELECTRICITY SUPPLY APPARATUS AND AN ELEVATOR SYSTEM - The invention relates to an electricity supply apparatus, an elevator system and a method for limiting the electricity consumption of an elevator system. The electricity supply apparatus according to the invention is fitted to supply electricity to one or more devices in an elevator system. The minimum value of the permitted supply voltage with which the apparatus still operates is determined for one or more appliances of the elevator system, and the electricity supply apparatus is equipped to change the supply voltage of the one or more appliances of the elevator system towards the minimum value of the permitted supply voltage for limiting electricity consumption of the elevator system.05-30-2013
20130146399SAFETY APPARATUS, DRIVE APPARATUS AND ELEVATOR APPARATUS - A safety apparatus for elevator apparatuses which can move a cab via a drive, comprising: a monitoring unit for monitoring the drive and/or the motor regulation system of the drive, a safety device having at least two sensors, which can be switched between at least two switching states depending on a state, in particular a closing state. In order to be able to reduce operating costs, the safety device and/or the monitoring unit comprises a controller, which is designed to identify the respective switching states of the sensors, and to transmit data and/or monitoring signals to the monitoring unit.06-13-2013
20090218178Remotely Performed and/or Assisted Restoration of Elevator Service - An elevator (09-03-2009
20120273307MONITORING METHOD FOR AN ELEVATOR INSTALLATION - The monitoring method for an elevator installation includes a control unit and at least one bus junction, which bus junction has a receiver, a transmitter and a safety element. The control unit and the bus junction communicate by way of a bus. The monitoring method has the following steps: a digital default signal is transmitted by the control unit to the receiver; the digital default signal is converted by the receiver into an analog signal; the safety element is acted on by the receiver with the analog signal; if the safety element is closed the analog signal is detected by the transmitter; for a detected analog signal, a digital signal of the control unit is provided by the transmitter; wherein on detection of an analog zero signal a digital signal is transmitted by the transmitter to the control unit.11-01-2012
20100314202ELEVATOR DISPATCHING CONTROL FOR SWAY MITIGATION - An elevator system (12-16-2010
187394000 Load support position 19
20090194371MULTI-CAR ELEVATOR HOISTWAY SEPARATION ASSURANCE - A pair of elevator cars (08-06-2009
20090120729CONTROL APPARATUS FOR AN ELEVATOR - 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 rail holding member, which is displaceable with respect to the car and is guided by a guide rail located in a hoistway in which the car moves. The detection device is located on the rail holding member.05-14-2009
20100320036ELEVATOR CAR POSITION DETECTION SYSTEM AND METHOD OF DETERMINING A POSITION OF AN ELEVATOR CAR IN AN ELEVATOR SHAFT - Elevator cabin position detection system comprising an activation device mounted on an elevator car, a sensor stripe mounted on a sidewall of an elevator shaft and control electronics. The activation device, preferably a light emitting device, activates a portion of the sensor stripe which comprises a feed line, a resistor line and sensors positioned between these. The sensors, preferably optical sensors, when activated by the activation device, conduct electricity to create electrical connection between the feed line and resistor line and thus modify the resulting resistance between an end (A) of the resistor line and an end (B) of the feed line. The control electronics determines the exact position of the elevator cabin based on the resulting resistance between the end (A) of the resistor line and the end (B) of the feed line.12-23-2010
20130025977HOISTING MACHINE INCLUDING A MEASURING ARRANGEMENT AND ELEVATOR SYSTEM CONTAINING THE SAME - A measuring arrangement for the measurement of the position and/or movement of a rotor of an electricmachine, an electric drive including the measuring arrangement, and an elevator system including the electric drive are provided. The measuring arrangement includes a magnetic band whose magnetic property is so implemented that it varies in the longitudinal direction of the band.01-31-2013
20130081909Method And System For Determining Elevator Car Position - A system for monitoring elevator car travel includes a plurality of bi-stable sensors (04-04-2013
20120181119MEASURING ARRANGEMENT, ELECTRIC DRIVE, HOISTING MACHINE AND ELEVATOR SYSTEM - A measuring arrangement, an electric drive and an elevator system are provided for determining the position and/or movement of the rotor of an electric machine. The measuring arrangement includes a magnetic band whose magnetic property is so implemented that it varies in the longitudinal direction of the band.07-19-2012
20120024637OPERATING STATE MONITORING OF SUPPORT APPARATUS OF AN ELEVATOR SYSTEM - An elevator system includes at least one elevator car and at least one counterweight, which can be moved in opposite directions from each other on at least one guide track in an elevator shaft by a support apparatus guided over a traction sheave of a drive. At least one monitoring device detects a slackening of the support apparatus, wherein the monitoring device is disposed at a deflection roller for the support apparatus.02-02-2012
20090166134ELEVATOR SYSTEM - The present invention discloses and elevator system and a method for determining the position information of an elevator car. The elevator system according to the invention comprises at least one elevator car (07-02-2009
20080283343Method for Detecting the State of an Elevator Cage and Elevator System Wherein the Method is Used - The invention relates to a lift system (11-20-2008
20110147136ELEVATOR MONITORING SYSTEM - Provided is an elevator monitoring system capable of preventing the indication of car positions from becoming discontinuous on a monitoring screen in the event of an accident. For this purpose, the elevator monitoring system is provided with a car-position information search device which detects a car-position floor of an elevator, an indication device which indicates a symbol indicative of the car-position floor and a symbol indicative of the car so as to correspond to each other, a speed calculating device which calculates the speed of the car on the basis of a distance corresponding to a change in the car-position floor and the time required by the change, an indication unit determining device which increases the number of stories as a unit in the indication unit of the symbol indicative of the car-position floor in the case of an increase in the speed of the car, and an indication controller which causes the indication device to indicate the symbol indicative of the car-position floor by an indication unit determined by the indication unit determining device.06-23-2011
20110031071DESTINATION FLOOR INDICATION DEVICE OF ELEVATOR - Provided is a destination floor indication device of an elevator which is excellent in the viewability of destination floor indications and can rapidly indicate destination floors. For this purpose, the destination floor indication device of an elevator includes an indication device provided in at least either a hall or a car of an elevator; an indication information storage device which stores the maximum number of indications of destination floors which are caused to be indicated simultaneously on one screen of the indication device, the maximum number of indications being larger than 1; and an indication controller which causes destination floors to be indicated simultaneously on the indication device when the number of destination floors caused to be indicated on the indication device is smaller than the maximum number of indications, and which divides destination floors into a number smaller than the maximum number of indications and causes the destination floors to be indicated on the indication device in a switching manner when the number of destination floors caused to be indicated on the indication device is larger than the maximum number of indications.02-10-2011
20120312639FLOOR POSITION DETECTION DEVICE - A floor position detection device of an elevator system includes a first sensor unit having a first Hall sensor and which is provided to detect at least one floor position characteristic, and an evaluation unit which is provided to evaluate the floor position characteristic for generating a floor signal. The sensor unit includes a second Hall sensor and the evaluation unit evaluates at least two floor position characteristics for generating the floor signal.12-13-2012
20110114425ARRANGEMENT AND METHOD FOR DETERMINING THE POSITION OF AN ELEVATOR CAR - 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 electromagnetic radio-frequency measuring signal, for determining the position of the elevator car. The arrangement also includes a position identifier fitted in a selected location in relation to the elevator hoistway. The position identifier is arranged to connect inductively to the electromagnetic radio-frequency measuring signal, and also after it has connected to send a determined pulse pattern using the electromagnetic radio-frequency measuring signal.05-19-2011
20120118678CODE STRIP FOR AN ELEVATOR INSTALLATION - A code strip has per meter a specific number of grid positions, which are provided in alternating sequence with openings and webs. A sensor can detect, for example, the travel direction of an elevator cage from the alternating sequence of the openings and webs. The code strip can be produced at, for example, the factory with alternating openings and webs per meter and adapted on site to the specific requirements of an elevator installation by breaking off the webs. Through breaking off the webs over a length a door zone, for example, is represented on the code strip.05-17-2012
20100175953DISPLAY DEVICE AND COMMUNICATION METHOD FOR A LIFT SYSTEM - A display device for a lift system with at least one lift shaft, in which several lift cabins travel. The device comprises an allocation manager that allocates an identifier to a lift cabin carrying out a transport job and a display at a boarding location that outputs an identifier of a lift cabin. The display can simultaneously display the identifier for several lift cabins.07-15-2010
20120279809ELEVATOR SYSTEM - An elevator system has an elevator car suspended on at least one synchronous belt, a drive driving the belt with a drive pulley in a non-slip manner, a distance measurement device measuring a travel distance of the belt at the drive pulley for determining an elevator car position, a controller actuating the drive based on stop location position values stored in the controller and a determined elevator car position to stop the elevator car at two or more stop locations, at least one position sensor disposed from the drive pulley and signaling the controller when the elevator car passes a reference position, and a compensation device making a correction of the stored stop location position values with a correction factor based on the difference between the elevator car position determined by the distance measurement device and the reference position as the car passes the reference position.11-08-2012
20090114485Lift truck fork aligning system with operator indicators - A sensor system for substantially simultaneously measuring and detecting the verticality or perpendicularity of the forklift vehicle mast and the vertical height displacement of the forks. The sensor system then alerting the operator of the satisfactory assessment of the precondition alignment of the forks so that, without the need for visual checking of the vertical positioning of the forks, the operator can insert the forks under the pallet load support surface and lift the load without causing damage to either the pallet or the load.05-07-2009
20130015022DETERMINING SHAFT INFORMATIONAANM Sonnenmoser; AstridAACI EbikonAACO CHAAGP Sonnenmoser; Astrid Ebikon CHAANM Studer; ChristianAACI LuzernAACO CHAAGP Studer; Christian Luzern CH - Information equipment arranged in an elevator shaft generates shaft information with respect to movement of an elevator cage in the elevator shaft, wherein a code arranged at a hanging cable and readable by means of a reader provides information for generation of the shaft information. The hanging cable conducts energy and signals to the elevator cage and signals from the elevator cage to an elevator control and at the same time serves as a carrier for the code for generation of the information.01-17-2013
20120031710ARRANGEMENT AND METHOD FOR DETERMINING THE POSITION OF AN ELEVATOR CAR - 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 electromagnetic radio-frequency measuring signal, for determining the position of the elevator car. The arrangement also includes a position identifier fitted in a selected location in relation to the elevator hoistway. The position identifier is arranged to connect inductively to the electromagnetic radio-frequency measuring signal, and also after it has connected to send a determined pulse pattern using the electromagnetic radio-frequency measuring signal.02-09-2012

Patent applications in class WITH MONITORING, SIGNALLING, AND INDICATING MEANS

Patent applications in all subclasses WITH MONITORING, SIGNALLING, AND INDICATING MEANS