Abstract: The elevator arrangement includes an elevator shaft, an elevator car configured to be moveable in a vertical direction along the elevator shaft, an electromechanical safety device to which safety device electrical power is supplied during operation of the elevator, and which safety device is configured to be triggered when power supply to the safety device is cut off, wherein triggering of the safety device is configured to prevent movement of the elevator car above at least one predetermined upper position and/or be-low at least one predetermined lower position, and a reserve power source, wherein the arrangement is configured to allow power supply from the reserve power source to the safety device for allowing moving of the elevator car above the at least one predetermined upper position and/or below the at least one predetermined lower position when normal power supply to the safety device is cut off.

Abstract: The invention relates to a method for controlling movement of two or more elevator cars of a multicar elevator system. The method comprises: selecting manually via a user interface of an operational entity an elevator car from among a plurality of elevator cars to be moved and controlling movement of one or more other elevator cars from among the plurality of the elevator cars away from a driving area of the selected elevator car. The invention relates also to a multicar elevator system and an operational entity implementing at least portions of the method.

Abstract: According to an aspect, there are provided a mobile device for wireless people flow management. The mobile device comprises at least one processor; at least one memory; and a near field communication, NFC, reader; wherein the at least one memory comprises program code which, when executed on the at least one processor causes the mobile device to receive, from the NFC reader, information encoded in an NFC tag associated with a specific location in a building; determine control information to trigger at least one state change associated with the location based on the information encoded to the NFC tag; and send the control information to a control system of the building.

Abstract: An elevator shaft element, an elevator arrangement and a method of a construction time use elevator. The elevator shaft element comprises a frame module arranged for receiving an elevator car therein. The frame module is constructed from a transport and/or storage unit, comprising side walls, a bottom wall and a roof wall. The unit is arrangeable vertically such that said side walls, bottom wall and upper wall of the unit define an inner space of the elevator shaft. The side wall, the bottom wall or the upper wall of the transport and/or storage unit is opened at a length more than a floor height of a building for providing an opening for one or more landing doors, the opening having a first side-edge and a second side-edge parallel to longitudinal direction of the transport and/or storage unit. The elevator shaft element further comprises at least one stiffening beam arranged to be fixed to the opening and extending from the first side-edge to the second side-edge.

Abstract: According to an aspect, there is provided a method for controlling an elevator system. The method comprises causing transmission of radio frequency signals with at least one radio frequency sensor attached to at least one element movable in an elevator shaft of an elevator system, receiving, from the at least one radio frequency sensor measurement data representing radio frequency signals reflected from at least one object and captured with the at least one radio frequency sensor, causing identification, based on the measurement data, of at least one object; and controlling operation of the elevator system in response to identifying the at least one object based on the measurement data.

Abstract: The invention relates to a method for resetting a safety mode of an elevator system. The safety mode is caused by a power cycle of the elevator system. The method comprises: obtaining, upon a restoration of a power supply of the elevator system, status information indicative of a current safety status of at least one safety space of the elevator system from an elevator safety detection system; receiving, from a remote elevator service entity, a reset command comprising an instruction to reset the safety mode of the elevator system; and resetting the safety mode of the elevator system in response to receiving the reset command, if the obtained status information fulfills a predefined criterion. The invention relates also to an elevator safety control unit, a remote reset system, a computer program, and a computer-readable storage medium for resetting a safety mode of an elevator system.

Abstract: An arrangement and method for installing guide rails of an elevator. The arrangement comprises an installation platform movable vertically in an elevator shaft and one or more guide rail baskets hanging below a floor of the installation platform for carrying guide rail elements vertically. The several guide rail elements are transported in one transport drive from a lower loading level to a higher installation level by means of the arrangement. This way, several successive sections of the guide rails can be installed at the installation level.

Abstract: Commissioning of a transportation infrastructure peripheral device in a transportation infrastructure control network is disclosed. In the arrangement a peripheral device is attached to a transportation infrastructure control network through a network element or directly to a controller. When the connection has been made, a process for identifying and granting appropriate access rights is initiated. As a result, common network technologies can be used for transmitting information that is critical for elevator operation.

Abstract: The invention relates to a method for constructing an elevator, comprising providing an elevator car; providing plurality of prefabricated hoistway modules to be piled on top of each other, each hoistway module bordering a hoistway space into which the whole elevator car or at least an upper or lower end thereof can be fitted to move; and piling said plurality of prefabricated modules on top of each other, such that the hoistway spaces of the prefabricated modules are vertically aligned forming a continuous vertically elongated hoistway where the elevator car can be fitted to move; and arranging the elevator car to be vertically movable in the hoistway. The invention also relates to an elevator obtained with the method.

Abstract: The invention relates to a method for determining an access right to an entity of a conveyor system, wherein it is: received data comprising data representing an identity of a wireless key and data representing a location of the wireless key; detected that the wireless key resides in a predefined location; identified the conveyor system and the entity on a basis of data representing the predefined location; determined status of an identified conveyor system; determined an access right with the wireless key to the entity; and generated a control signal to cause one of the following: (i) a grant of an access to the entity, (ii) a refusal of an access to the entity. The invention also relates to a network node, a computer program product and to a conveyor system.

Abstract: A method for acquiring a new set of elevator operation parameters of an elevator includes determining a loss of data integrity relative to a previous set of elevator operation parameters and checking whether a set of pre-conditions for the acquiring are fulfilled, the set of pre-conditions including determining that an elevator car of the elevator is empty of persons, determining that an elevator shaft of the elevator is empty of persons, and determining that a safety system of the elevator is operable. The method also includes initiating a setup run to be performed by utilizing the elevator car for the acquiring of the new set.

Abstract: An elevator includes a manual active dynamic braking function, which elevator includes an elevator control for operating at least one elevator car in at least one elevator driveway between landing floors in response to elevator calls, an AC elevator motor, which is able to generate power in a generator mode, a motor drive connected to the elevator control for the regulation of the speed of the elevator motor, including a frequency converter, whereby the frequency converter of the motor drive includes a rectifier bridge and an inverter bridge with semiconductor switch circuits, which rectifier bridge and inverter bridge are connected via a DC link, the motor drive further including a drive controller at least to control the semiconductor switches of the semiconductor switch circuits of the inverter bridge to regulate the elevator motor to a reference speed, whereby the semiconductor switch circuits of the inverter bridge are provided with diodes connected anti-parallel to the semiconductor switches, the motor

Abstract: The present invention relates to a method and projection display apparatus for presenting information in a space. Projected images are dynamically adjusted based on detection of changes in the space, determining a level of crowdedness in the space and/or detecting a failure of projection.

Abstract: A conveying device suitable for conveying objects, wherein the conveying device can slide on at least two truss beams of the truss of passenger conveying device; setting said objects to be transported on the conveying device; the conveying device can move from a first position to a second position different from the first position along the length of the truss of the passenger conveying device, thereby conveying said objects to be transported from the first position to the second position; there is a height difference between the first position and the second position, or there is no height difference between the first position and the second position; wear-resistant components made of wear-resistant material are arranged on the conveying device; the wear-resistant components are frictionally sliding on the truss beam; the object to be transported is an upper module of the passenger conveying device and/or a lower module of the passenger conveying device.

Abstract: According to an aspect, there is provided an elevator communication system including a communication bus applying a master-slave protocol, a master node connected to the communication bus and at least one slave node connected to the communication bus. The master node and the at least one slave node are configured to apply, for data communication in the communication bus, a repeating frame structure in which a first time slot of a frame is reserved for the master node and in the remaining time slots of the frame each slave node of the at least one slave node has a dedicated time slot. The master node is configured to extend the time between consecutive frames in order to enable a power saving mode for the communication bus.

Abstract: A monitoring system for a personnel delivery device and the personnel delivery device are disclosed. The monitoring system includes a support member provided on the personnel delivery device and having an overhanging portion located above a personnel delivery unit; and a detection apparatus provided in the overhanging portion of the support member. The detection apparatus includes a first camera mounted in the overhanging portion; and a second camera mounted in the overhanging portion. The centerline of a lens of the first camera and the centerline of a lens of the second camera are symmetric with respect to the centerline of the personnel delivery unit of the personnel delivery device in the running direction.

Abstract: Brake release sensors for an elevator can be replaced by an arrangement wherein the brake release is determined from the force caused by the brake. This is achieved by providing measuring device for measuring the weight of an elevator car between the brake and the motor body so that the weight of the elevator car is measured only when the brake is on.

Abstract: A sensor for sensing a fill level of a space includes a housing, a circuit board, a camera, a distance measuring sensor and a controller. The controller is in communication connection with the camera and the distance measuring sensor to calculate the fill level of a space according to the input from the camera and the distance measuring sensor. An elevator includes the sensor for sensing the fill level of the elevator car space. A method for sensing and determining a fill level of a space like an elevator car without utilizing the gravity load can better identify the objects in the space and further calculate the fill level of the space according to the identified images, and can be used as a substitute or a beneficial supplement for gravity load determination.

Abstract: A method for constructing an elevator arrangement and an elevator arrangement. A plurality of preassembled elevator modules are installed in a shaft one above the other to form an elevator module stack, the preassembled elevator modules comprise a top module. A hoist arrangement is provided in the shaft upper area during installation, the hoist arrangement is configured to hoist said preassembled elevator modules; the top module is hoisted inside the shaft by the hoist arrangement; each of the remaining preassembled elevator modules is moved inside the shaft, below a combination of the top module and preassembled elevator modules attached to it from below, said combination of the top module and preassembled elevator modules attached to each other forming the elevator module stack; and each of the remaining preassembled elevator modules is attached to said elevator module stack from below.

Abstract: A method for determining a type of elevator, an elevator monitoring system, and an elevator are disclosed. The method includes obtaining data related to movement and/or position of a component of a hoisting system, such as an elevator car, of the elevator, determining from the data at least one characteristic value related to the movement and/or position, and determining the type based on pre-defined elevator types of an elevator type classification and the characteristic value.