An illustrative example embodiment of an elevator door lock includes a latch that is moveable between a locking position and a released position. The latch includes a locking surface configured to engage a stop when the latch is in the locking position. A magnet is situated to magnetically attract a portion of the latch to selectively move the latch from the locking position into the released position.

A sensing apparatus for monitoring a conveyance system is provided. The sensing apparatus includes: a controller; at least one sensor in communication with the controller, the at least one sensors configured to detect sensor data of the conveyance system and communicate the sensor data to the controller; and a long-range communication module in communication with the controller, the long-range communication module being configured to transmit the sensor data to a remote system through a wireless network via long-range wireless communication protocol, wherein the long-range communication module is located within the sensing apparatus.

The present invention relates to a system for monitoring an elevator door, an elevator system, and a method for monitoring an elevator door. The elevator door has an open state or a closed state implemented by moving along an elevator sill. The system for monitoring an elevator door includes: one or more imaging sensors configured to collect image data and depth data of at least one section in the elevator sill that is exposed when the elevator door is in the open state; and a data processing device in communication with the imaging sensor and configured to receive and process the image data and the depth data to determine whether an obstacle preventing the elevator door from entering the closed state exists in the section. By applying the present invention, the safety of the elevator door can be improved effectively, and equipment property losses and personal injuries can be avoided.

A zone object detection system including a passenger compartment. Also included is a door moveable between an opened position and a closed position. Further included is a first sensor monitoring a first zone outside of a plane of the door. Yet further included is a second sensor monitoring a second zone comprising at least one of the plane of the door and outside of the plane of the door. Also included is a controller in operative communication with the first sensor and the second sensor, the controller commanding a first modification of a door closing movement of the door if an object is detected in the first zone, the controller commanding a second modification of the door closing movement of the door if an object is detected in the second zone.

An elevator door control system, an elevator system, and an elevator door control method based on to-be-carried object grouping identification. The elevator door control system includes one or more three-dimensional sensors, arranged to capture three-dimensional data of to-be-carried objects in an elevator waiting region, wherein the three-dimensional data includes depth data; a data processing device, communicating with the three-dimensional sensor, and configured to receive and process the three-dimensional data, to provide grouping data of one or more groups obtained according to correlations between the to-be-carried objects and position data of each to-be-carried object in the elevator waiting region; and a control device, connected to an elevator door, communicating with the data processing device, and configured to control operation of the elevator door according to the grouping data and the position data.

An elevator system (2) comprises at least one elevator car (6) moving within a hoistway (4); at least one door (10, 11) providing access to the elevator car (6); at least one passenger sensor (21) configured for detecting passengers (30) in the vicinity of the at least one door (10, 11); and a door control device (22) configured for controlling the at least one door (10, 11). The door control device (22) comprises a memory (24) in which at least one predefined movement profile is stored; a modificator (28) configured for modifying the at least one predefined movement profile when the at least one passenger sensor (21) detects a passenger (30) in the vicinity of the at least one door (10, 11); and a door controller (26) configured for controlling the movement of the at least one door (10, 11) based on the at least one movement profile.

Embodiments include techniques for operating an elevator safety control system and method. The techniques include charging one or more portions of an elevator system, the elevator system includes an elevator door and elevator frame, and monitoring a charge on the one or more portions of the elevator system. In addition, the techniques include detecting a change in the charge on the one or more portions of the elevator system, and responsive to the detection, controlling an operation of the elevator door.

A guiding device according to the present invention generates and displays guidance information for displaying a sequence of operation states of an elevator on a three-sided frame corresponding to the car responding to a call for the elevator or the periphery of the three-sided frame. The sequence of operation state of the elevator includes the position of the lobby corresponding to the car number of the car selected from among a plurality of cars in response to the call for the elevator, the movement of the car of the elevator, the arrival direction of the car, a situation where the car arrives at the calling floor and the door opens, a situation where the door is fully open and starts closing, and a situation where the door is closing. Thus, a user in the lobby can intuitively determine the complicated sequence of operation states of the elevator.

A guiding device according to the present invention generates and displays guidance information for displaying a sequence of operation states of an elevator on a three-sided frame corresponding to the car responding to a call for the elevator or the periphery of the three-sided frame. The sequence of operation state of the elevator includes the position of the lobby corresponding to the car number of the car selected from among a plurality of cars in response to the call for the elevator, the movement of the car of the elevator, the arrival direction of the car, a situation where the car arrives at the calling floor and the door opens, a situation where the door is fully open and starts closing, and a situation where the door is closing. Thus, a user in the lobby can intuitively determine the complicated sequence of operation states of the elevator.

An elevator includes a car with at least two car doors, each car door being provided with a door contact, a shaft being provided with corresponding landing doors, each landing door being provided with a door contact, each landing door opening in synchronism with the corresponding car door, the door contacts forming part of a safety circuit of the elevator, a car door contact input being connected to a middle point in the safety circuit between a series connection of the car door contacts and a series connection of the landing door contacts. A status information of the car door contact input is monitored in order to determine whether the door contacts are operational or not when the car doors are opened and/or closed with a predetermined time delay at a landing.