An electromagnetic device for an elevator brake, an elevator brake and an elevator system. The electromagnetic device is configured to be provided in the number of at least two in the elevator brake, and each of the electromagnetic devices includes: a fixed member, which is fixed relative to an elevator power device and provided with at least one electromagnetic member for providing an electromagnetic force after being energized; a movable member, which is arranged between the fixed member and a friction member of the elevator brake, and arranged to be movable relative to the fixed member; and a force supply member, which is arranged to provide a force in an opposite direction to the electromagnetic force to the movable member.

An electromagnetic device for an elevator brake, an elevator brake and an elevator system. The electromagnetic device is configured to be provided in the number of at least two in the elevator brake, and each of the electromagnetic devices includes: a fixed member, which is fixed relative to an elevator power device and provided with at least one electromagnetic member for providing an electromagnetic force after being energized; a movable member, which is arranged between the fixed member and a friction member of the elevator brake, and arranged to be movable relative to the fixed member; and a force supply member, which is arranged to provide a force in an opposite direction to the electromagnetic force to the movable member.

A user interface shows status of devices of an elevator and escalator arrangement. The status is based on holistic measurement approach wherein measurements for one or more indicator values are made continuously and compared against reference values. The difference between the measured and reference values are shown in a user interface for indicating that status of individual components and the overall system.

An elevator level warning system is provided, along with methods of use thereof. An elevator level warning system may include a controller, a laser, a sensor, and a reflector. The reflector may be a structured reflector. The elevator level warning system may also include a sensor board. The elevator level warning system may also include an indicator. The elevator level warning system may be used with an elevator system. The elevator level warning system may be used to detect that-and/or warn users that-a front cab-floor edge and a landing plane are misaligned and have a drop between them of greater than a threshold distance.

An elevator level warning system is provided, along with methods of use thereof. An elevator level warning system may include a controller, a laser, a sensor, and a reflector. The reflector may be a structured reflector. The elevator level warning system may also include a sensor board. The elevator level warning system may also include an indicator. The elevator level warning system may be used with an elevator system. The elevator level warning system may be used to detect that-and/or warn users that-a front cab-floor edge and a landing plane are misaligned and have a drop between them of greater than a threshold distance.

Elevator systems and methods for displaying information associated with the elevator systems. The systems including an elevator car located within an elevator shaft, a display located within the elevator car, and an elevator emergency monitoring system having an elevator shaft monitoring device mounted on the elevator car and configured to capture an image of the elevator shaft. The elevator car is operable in an emergency mode of operation such that an image captured by the elevator shaft monitoring device is displayed on the display within the elevator car.

A force application assembly, an elevator and a method of elevator rescue. The force application assembly is provided for applying a force to an elevator car when the elevator car and a counterweight are in a balanced state, and the force application assembly includes: a first attachment portion, which is configured to be removably attached to an elevator hoistway; a second attachment portion, one end of which is removably fixed relative to the elevator car or the counterweight, and which is configured to be at least partially elastic; an actuation portion connected between the first attachment portion and the second attachment portion, wherein the first attachment portion is configured to be fixed relative to the actuation portion, and the second attachment portion is configured to be movable relative to the actuation portion; and an operation portion, which is associated with the actuation portion.

The invention relates to an elevator comprising at least one elevator car moved by at least one elevator motor, which elevator motor is driven by a frequency converter controlled by a control device of the elevator, the frequency converter comprising a rectifier bridge, an inverter bridge and a DC link connected in-between, the inverter bridge being connected to the elevator motor and the rectifier bridge being connected to AC mains via three phase supply lines comprising an LCL-filter and a mains switch. The elevator further comprises a backup power supply and a safety device of the control device, which in case of a mains power failure is configured to switch off the mains switch and to connect the backup power supply to the DC link and/or to at least one phase supply line, whereby the rectifier bridge is a bidirectional rectifier bridge being configured to convert DC supplied to the DC link from the backup power supply to an AC voltage supplied to at least two of the phase supply lines connected with at least one load circuit. An earth fault protection circuit for the load circuit is connected between earth and a common terminal of the capacitors of the LCL filter for monitoring an earth fault indicating signal, and which earth fault protection circuit is configured to issue an earth fault signal and/or initiating earth fault safety measures, dependent on the earth fault indicating signal.

A stairlift is configured to assist users by issuing voice-based messages in the event faults arise that could give concern to a user.

A high rise structure multi-level delivery system comprises a vertical conveyor belt system having a plurality of trays configured to carry a specific delivery parcel to a specific floor of a high rise structure. The conveyor is mounted such that a bottom of the conveyor resides in a ground floor room of the high rise structure and a top resides in a roof room on a roof of the high rise structure. The conveyor is capable of being accessed via an interior room located at each level of the high rise structure.