A device and a method for detecting elevator rope elongation, and an elevator. An elevator rope is connected to a rope head device and an operating device in an elevator, and the device for detecting elevator rope elongation includes: one and more brackets connected to an elastic reset member in the rope head device, a coupling member connected to at least one of the brackets and configured to be driven into a trigger position by the at least one bracket when the displacement of the elastic reset member exceeds a threshold value due to reduction of compression amount, and a trigger connected to the coupling member and configured to be triggered to generate a trigger signal when the coupling member is driven into the trigger position.

Elevator components can be equipped with an electronic information plate. The electronic information plate are associated with a particular electronic information plate that can store different properties of the associated component. The content of each electronic information plate is read manually or automatically and transmitted to a controller. The controller analyzes the received content and launches a predetermined action if the content indicates a possible mistake or a fraud.

An elevator safety monitoring device is provided that can secure safety of a maintenance person who rides on a riding portion on a car. An elevator safety monitoring device includes an approach judgment unit which judges whether a counterweight of an elevator system approaches a car when a maintenance person is riding on a riding portion on the car of the elevator system and a safety securing unit which performs safety control for the elevator system so as to secure safety of the maintenance person when the approach judgment unit judges that the counterweight approaches the car.

A method for dispatching an elevator car that includes determining the elevator car is located at a first location of a plurality of locations, and a predefined positional count corresponds to each of the plurality of locations. The method includes determining a positional count of the elevator car at the first location, and determining a load of the elevator car at the first location based on a difference between the positional count and the predefined positional count corresponding to the first location. The method includes controlling an operation of the elevator car based on the load of the elevator car at the first location.

A method for providing elevator services includes: generating a dispatch command for stopping an elevator to a departure floor of a target device with self-propelled capability in response to an elevator reservation message from a computer system, wherein the elevator reservation message includes an identification of the target device and an identification of the departure floor; instructing the computer system to send a confirmation message to the target device, the confirmation message includes a password associated with the target device; after the elevator stops at the departure floor of the device and before starting the elevator, determining whether a state of the car satisfies set conditions, wherein the set conditions at least include: an identity authentication of the device in the car based on the password has passed; and if the set conditions are satisfied, the elevator is started; otherwise, the elevator is prohibited from starting.

A safety monitoring device of an elevator system having a shaft extending over at least two floors has a safety circuit with door contact switches being closed or opened accordingly when a respective shaft door is closed or opened. The door switches form an electrical series circuit that is electrically broken to block the elevator car from moving when any of the door switches is opened. The monitoring apparatus has at least one bypass switch that actuates a first door switch for a first shaft door on a first floor such that, when the elevator car reaches the first floor, the bypass switch bypasses the first door switch to switch the safety circuit independently of the first door switch. A monitoring means of the monitoring apparatus monitors the switching state of the safety circuit and/or of a second door switch for a second shaft door on a second floor.

Elevator maintenance space projection systems and elevator systems including a projector located within an elevator shaft and arranged to project a display space within the elevator shaft such that the display space includes one or more projected images identifying at least one of a safety volume, a refuge space, and a maintenance location.

A method of controlling building systems including detecting a status parameter of a door of a building; displaying the status parameter of the door on a device; detecting a status parameter of a door lock, the door lock being operbly connected to the door; and displaying the status parameter of the door and the status parameter of the door lock on a device.

A notification device and a notification method to announce a current operation mode of an elevator, especially a maintenance or inspection mode, is provided for the elevator that executes the notification method. The elevator includes a control assembly allocated outside of a shaft of the elevator, wherein the notification device is electrically connected or communicates with the control assembly. The notification device includes a display that displays information depending on the status of a lock of the control assembly, wherein the display is off or displays a predetermined first information when the lock is locked, and the display is on and displays a predetermined second information when the lock is unlocked.

A user interface shows status of network elements in an infrastructure network. The network elements are used to provide a communication channel for elevators, escalators and similar. In addition to network elements status of peripheral devices and other elevator and escalator related network connected devices may be shown. The user interface showing the status of network elements and other devices provides the maintenance person an easy way of spotting possible sources of problems.