Abstract: The invention relates to an elevator, comprising a hoistway with a plurality of hoistway sections attached to each other to provide a hoistway with a hoistway space, an elevator car arranged in the hoistway space to be vertically movable in the hoistway space between door openings at landings of a building, and doors at the door openings. In order to avoid problems caused by a mutual change of height of a hoistway and a building, a sensor provides to a control system a signal indicating a level difference between a first reference point of the hoistway and a second reference point of the building.

Abstract: The fastening arrangement for fastening a pole of an access or destination control device to a floor structure comprises a threaded fastening rod attachable to the floor, a fastening sleeve comprising a flange, a sleeve portion, and an internal thread configured to be engaged with the thread of the rod, the sleeve portion comprising coupling means for allowing the sleeve to be engaged in a form-locking manner for rotation of the fastening sleeve, a fastening block at a lower end of the pole comprising a fastening hole extending from a lower surface to an upper surface for receiving part of the fastening rod and at least part of the sleeve portion so that the fastening block is supported by the flange of the fastening sleeve, and clamping means configured to be engaged with the upper surface of the fastening block and the thread of the fastening rod for clamping the fastening block between the flange and the clamping means.

Abstract: An application server is configured to receive first information associated with an elevator communication network configured to carry data associated with a plurality of elevator system nodes communicatively connected to the elevator communication network; and provide an application interface towards at least one client, the application interface enabling provision of at least part of the first information associated with the elevator communication network to the at least one client.

Abstract: According to an aspect, there is provided an elevator communication system. The system comprises an elevator communication network configured to carry elevator system associated data; a plurality of elevator system nodes communicatively connected to the elevator communication network, wherein at least some of the plurality of elevator system nodes each comprises a camera associated with different landing floors, respectively, configured to provide image data about a respective landing floor area; and a controller communicatively connected to the elevator communication network and being configured to obtain image data from at least one camera during an evacuation situation; and provide, during the evacuation situation, to a node communicatively connected to the elevator communication network information for a graphical user interface comprising image data from a selected set of the cameras.

Abstract: According to an aspect, there is provided an elevator communication system. The system comprises an elevator communication network configured to carry elevator system associated data and a plurality of elevator system nodes communicatively connected to the elevator communication network, wherein at least some of the plurality of elevator system nodes each comprises a camera associated with different landing floors, respectively, configured to provide image data about a respective landing floor area and wherein at least one of the plurality of elevator system nodes comprises a display arranged in an elevator car; and an apparatus communicatively connected to the elevator communication network, the apparatus being configured to receive an elevator call to a landing floor, and cause the display to display data provided by a camera associated with the landing floor in response to the elevator call to the landing floor.

Abstract: An elevator communication system includes an elevator communication network configured to carry elevator system associated data; a plurality of elevator system nodes communicatively connected to the elevator communication network, wherein at least some of the plurality of elevator system nodes each includes a camera associated with at least one of an elevator car configured to provide image data indicating whether a car door of the elevator car is open or closed and a landing floor configured to provide image data indicating whether a landing door of the landing floor is open or closed; an elevator car; and an apparatus communicatively connected to the elevator communication network and being configured to obtain image data from the camera during an evacuation situation; and provide, during the evacuation situation, to a node communicatively connected to the elevator communication network, the image data to enable the node to verify based on the image data that the car door and/or the landing door is closed b

Abstract: An elevator communication system includes an elevator communication network configured to carry elevator system associated data; a plurality of elevator system nodes communicatively connected to the elevator communication network, wherein at least some of the plurality of elevator system nodes each includes a camera associated with an elevator and/or a landing floor served by the elevator and configured to provide image data about the elevator and/or the landing floor, wherein at least some of the plurality of elevator system nodes each includes a sensor associated with an elevator and a landing floor served by the elevator and configured to provide sensor data for at least one parameter associated with the elevator and/or the landing floor, and wherein at least one of the plurality of elevator system nodes includes a display node, and a controller communicatively connected to the elevator communication network.

Abstract: A method for detecting a maintenance mode operation of an elevator system includes obtaining, by a monitoring unit being a separate unit arranged to an elevator car of the elevator system, motion data of the elevator car representing at least one drive motion profile of the elevator car; comparing, by the monitoring unit, the obtained motion data to at least one respective reference motion profile of the elevator car; detecting, by the monitoring unit, at least one deviation between the obtained motion data and the respective at least one reference motion pro-file, wherein the at least one deviation indicates at least one maintenance related operation; and detecting, by the monitoring unit, the maintenance mode operation of the elevator system in response to the detection of the at least one deviation. A monitoring unit, an elevator system, and a computer program for detecting a maintenance mode operation of an elevator system are also disclosed.

Abstract: A method detects an arrival of a maintenance person to a maintenance site. The method includes: scanning radio transmissions from radio devices residing within a radio range of a mobile terminal device carried by the maintenance person; detecting amongst the scanned radio transmissions at least one radio transmission from at least one radio node arranged to the maintenance site for which the maintenance person has at least one open maintenance order; and generating to a remote monitoring unit at least one first control signal including information representing the detection of the arrival of the maintenance person to the maintenance site. Also provided is a detection system, a mobile terminal device, a computer program, and a tangible non-volatile computer-readable medium for detecting an arrival of a maintenance person to a maintenance site.

Abstract: A method and a system monitor a movable object in an elevator shaft by an unmanned aerial vehicle (UAV). The UAV is positioned into a wanted location within the elevator shaft, in which the movable object to be monitored is within view of an imaging sensor of the UAV, and movement of the UAV is automatically synchronized with the movement of the movable object based on UAV's on position and movement characteristics and received status data. Imaging sensor of the UAV obtains image data of the movable object during operation of the elevator and image data is stored and/or sent wirelessly.

Abstract: A method for detecting a loss or an undervoltage condition of phase of an electric converter unit, wherein the method comprises: determining an extremum value, such as a maximum and/or a minimum value, of a phase voltage of the electric converter unit for at least one fundamental period of the phase voltage, and comparing the extremum value to a first threshold value, and if, based on the comparison, a first threshold criterion related to the first threshold value is satisfied, then determining the loss or the undervoltage condition of phase.

Abstract: An elevator element manufacturing method, an elevator element and an elevator are disclosed. The manufacturing method includes providing material including aluminium silicate precursor and/or calcium silicate precursor in powder and/or granulate form, filling a mould with a mixture including the material, alkalic reactance, and water for creating a mixture, and allowing the mixture to realize a polycondensation reaction in the mould for forming a polymer structure based on polycondensation bonding structures.

Abstract: The present invention relates to a method, a system and a computer program product for detecting and/or predicting need for elevator maintenance. A first digital twin of the elevator is generated using data collected by one or more sensors of an unmanned aerial vehicle (UAV) operating within the elevator shaft. One or more threshold values are defined for parameters associated with one or more components of the elevator appearing in the first digital twin. At least one second digital twin of the elevator is generated using data collected by one of more sensors of an unmanned aerial vehicle (UAV) within the elevator shaft. Each parameter of the elevator in the at least one second digital twin is compared to the respective one or more first threshold values. A request for maintenance of the one or more components of the elevator is automatically triggered if any one of the compared parameters meets or goes beyond the respective first threshold value.

Abstract: A method for evaluating an orientation of an elevator car, performed by a control unit, includes obtaining measurement data from at least one inclination sensor associated to the elevator car, the measurement data including data values indicative of an orientation of the elevator car; comparing the data values of the measurement data to reference data values; setting, in accordance with a comparison between the data values of the measurement data to the reference data values, a detection result to express one of the following: i) the orientation of the elevator car is proper, ii) the orientation of the elevator car is improper. An arrangement, an elevator system, and a computer program product are also disclosed.

Abstract: A radar-based sensor device for removing elevator car specific artefacts from radar data obtained from inside an elevator car includes a sensor unit and a processing unit. At least the sensor unit is arranged inside the elevator car and configured to transmit radar signals. The processing unit is configured to: obtain from the sensor unit the radar data representing reflected radar signals, and remove elevator car specific artefacts from the obtained radar data based on predefined elevator car specific data. A method, a computer program, and a tangible non-volatile computer-readable medium for removing elevator car specific artefacts from radar data obtained from inside an elevator car are disclosed.

Abstract: An access control arrangement of a conveyor system, a mobile device, a conveyor system, and a method for controlling access in a conveyor system are disclosed. The conveyor system includes a manual key-operated access mechanism operable via a key-hole by a key. The access control arrangement includes a communication device for communicating with a mobile device, and a blocking member configured to cover the keyhole in a first position for blocking external access, and to expose the keyhole in a second position, the blocking member being movable between the first and the second positions. The access control arrangement is configured to lock the blocking member in the first position, and release it from the first position in response to receiving a release signal by the communication device.

Abstract: The invention relates to a method for monitoring an activity of a user controlling an operation of a conveyor system with a remote control device, the method comprises: receiving control data from the remote control device, the control data defining user input provided at least in accordance with time; comparing the control data to a reference data; and setting, in accordance with a comparison between the control data and the reference data, a detection result to express one of the following: (i) a continuation of the operation of the conveyor system, (ii) a discontinuation of the operation of the conveyor system. The invention also relates to a control device, to a system, and to a computer program product.

Abstract: An escalator monitoring system includes a data collection device disposed near parts of an escalator that need to be monitored for collecting data of the parts; a data transmittal device used to transmit data relevant to safe operation of the escalator; a local data processing device or cloud processors used to receive the data relevant to the safe operation of the escalator, to compare it against a threshold value stored therein and derived from the parts in normal operating conditions, and to respond to comparison result.