US20190272735A1 - Security system for buildings with elevator installations - Google Patents

Security system for buildings with elevator installations Download PDF

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Publication number
US20190272735A1
US20190272735A1 US16/349,087 US201716349087A US2019272735A1 US 20190272735 A1 US20190272735 A1 US 20190272735A1 US 201716349087 A US201716349087 A US 201716349087A US 2019272735 A1 US2019272735 A1 US 2019272735A1
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Prior art keywords
building
emergency
elevator
communications system
communications
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US16/349,087
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English (en)
Inventor
Donato Carparelli
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Inventio AG
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Inventio AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006—Monitoring devices or performance analysers
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/14—Central alarm receiver or annunciator arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
    • B66B3/002—Indicators
    • B66B3/008—Displaying information not related to the elevator, e.g. weather, publicity, internet or TV
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup

Definitions

  • the present disclosure of various embodiments generally relates to security systems. More particularly, the various embodiments described herein relate to security systems for buildings with elevator installations and a method of operating such security systems.
  • a telealarm system also referred to as a telealarm system
  • an alarm call panel e.g., having a microphone and a loudspeaker
  • a communications module e.g., a telephone apparatus
  • owners or operators of these buildings may choose to install a security system to protect building occupants and/or property.
  • a building owner may contract with a security service company to install and monitor sensors that detect fire, gas, water, or unauthorized entry, as well as to enable remote operation of building parts, e.g., actuators of doors or gates.
  • the emergency communications system includes a communications interface to communicatively couple the emergency communications system to a remote elevator service central, and an emergency call panel arranged in an elevator car to allow a passenger to communicate with the remote elevator service central via the communications interface while in the elevator car during the emergency situation.
  • the building alarm system includes a plurality of sensor units to be arranged at predetermined locations of the building and selected to detect predetermined building events.
  • the building alarm system is coupled to the communications interface of the elevator installation for communicating the building event to the elevator service central, and/or for receiving an action request from the remote elevator service central via the communications interface of the emergency communications system.
  • the emergency communications system includes a communications interface to couple the emergency communications system to a remote elevator service central, and an emergency call panel arranged in an elevator car to allow a passenger to communicate with the remote elevator service central via the communications interface while in the elevator car during the emergency situation.
  • the building alarm system includes a plurality of sensor units arranged at predetermined locations of the building and selected to detect predetermined building events. In such a building security system, a building event is communicated from the building alarm system via the communications interface of the emergency communications system to the remote elevator service central, and/or an action request is communicated from the remote elevator service central via the communications interface of the emergency communications system to the building alarm system.
  • the technology described herein provides for at least a double-use of an emergency call system of an elevator installation. That is, the emergency call system required by certain codes and standards to be provided in elevator installations is not only used for elevator-specific emergency calls to a remote elevator service central, but additionally for reporting building events to the elevator service central. From there, other alarm response services, such as a local police and/or fire department may be notified, either by automatically forwarding a building event or by having service personnel report the building event to a suitable alarm response service. As the elevator service central is staffed 24 hours a day, and 7 days a week (24/7), as may be required by codes and standards, no additional alarm service provider is needed. For convenience and/or cost reasons, building operators or building owners may prefer dealing with as low a number of service providers as possible.
  • the elevator shaft can be used as a vertical conduit.
  • the shaft allows running wires and cables from the basement to the top floor essentially without, or hardly any restrictions.
  • cables can be fed to the shaft and connected to vertically running cables. This avoids drilling holes through floors and ceilings, or providing a separate vertical conduit for the building alarm system. Through these measures, overall installation time and cost may be reduced.
  • using the elevator installation's emergency call system allows implementing additional features that benefit in particular the occupants (owners or tenants), e.g., of apartments or offices in the building.
  • the improved technology allows an apartment occupant to receive 24/7 security-related information while away from the apartment (e.g., while travelling).
  • the occupant may wish to monitor the status of various sensors or activate actuators installed at the building, e.g., from a remote location.
  • the occupant may use a software application (“App”) running on a portable electronic device (e.g., a smartphone) that communicates with the elevator service central.
  • the elevator service central obtains the requested information from the building alarm system via the emergency communications system.
  • the RF transceivers may be comprised in floor terminals that further include floor call terminals of the elevator installation. This allows running the cables that may be needed to couple the RF transceivers to the alarm processing unit together, e.g., in the same conduit, with those needed to couple the floor call terminals to the elevator controller. This simplifies the installation, e.g., with respect to time and cost, and may be an advantage if design aspects need to be considered, e.g., one design aspect may require that the RF transceivers are not visible.
  • the improved technology provides for bi-directional communication.
  • An event signal is received from the building alarm system by the emergency communications system of the elevator installation.
  • the event signal is indicative of a building event detected by a sensor unit.
  • a communications link between the emergency communications system and the elevator service central is established by the emergency communications system.
  • the event signal is transmitted by the emergency communications system to the elevator service central. If an action request is to be transmitted in opposite direction, the elevator service central establishes a communications link between the elevator service central and the emergency communications system.
  • the emergency communications system of the elevator installation receives the action request from the elevator service central, and transmits the action request to the building alarm system.
  • the action request includes in one embodiment one of a status request and an activation signal.
  • the status request relates to a current status of at least one of the sensor units, and the activation signal relates to an actuator arranged at the building.
  • the current status of a sensor unit may indicate that the sensor unit is working properly, and/or that no building event has been detected.
  • the occupant may request the status of a particular sensor unit, e.g., using the portable electronic device and the app.
  • the activation signal identifies a particular actuator and a desired action, e.g., unlocking a door. This action may also be selected using the app.
  • the improved technology provides flexibility regarding the kind of communications link used between the emergency communications system and the elevator service central. That is, the link can be established by setting up a radio communications link via a mobile communications network, or by setting up a call via a telephone network.
  • the event signal is transmitted in a data channel. This avoids that transmission of the event signal may be delayed or disturbed through a concurrently occurring (voice) emergency call.
  • FIG. 1 shows a schematic illustration of an exemplary building equipped with one embodiment of a security system
  • FIG. 2 shows a schematic illustration of the security system of FIG. 1 ;
  • FIG. 3 is a flow diagram of one embodiment of a method of operating the security system of FIG. 1 .
  • FIG. 1 is a schematic illustration of one embodiment of a building security system 1 in a building 2 , in particular a multi-story building.
  • the building 2 may be an apartment building, an office building, a commercial/shopping center, a hotel, a sports arena, an airport terminal, a ship, or any other structure suitable for a person to reside or stay for a longer period of time.
  • the exemplary building 2 shown in FIG. 1 is used herein to describe various embodiments of the technology; it is contemplated, however, that other structures may have a different layout.
  • the illustrated part of the building 2 has several floors L 1 , L 2 , L 3 , each one providing access to dedicated areas or zones (e.g., offices or apartments) and an elevator car 20 of an elevator installation 10 .
  • a passenger can board the elevator car 20 on one of these floors L 1 , L 2 , L 3 (sometimes referred to as a boarding floor), and, after having been transported to another one of these floors L 1 , L 2 , L 3 (sometimes referred to as a destination floor), exit the elevator car 10 at the destination floor. From there, the passenger may enter an office or an apartment, or exit the building 2 via an apartment/office door 9 or a building door 9 , respectively.
  • the security system 1 includes a building alarm system 6 and an emergency communications system 4 of the elevator installation 10 .
  • a building event is communicated from the building alarm system 6 via a communications interface 5 of the emergency communications system 4 to a remote elevator service central 8 .
  • an action request is communicated from the remote elevator service central 8 via the communications interface 5 of the emergency communications system 4 to the building alarm system 6 .
  • the action request may be triggered by an occupant of the building while being away, or by the elevator service central 8 as part of a monitoring routine.
  • the emergency communications system 4 has at least a double function, since it is not only used for elevator-specific emergency calls to the remote elevator service central 8 , but additionally for reporting building events to the elevator service central 8 .
  • additional functions may be provided, such as enabling communications between the elevator service central 8 and the building alarm system 6 .
  • FIG. 1 shows components of the elevator installation 10 to the extent believed to be helpful for a complete understanding of the technology described herein.
  • An elevator controller 12 (EC) is coupled to a drive system 14 (Motor), which is configured to move the elevator car 20 by means of one or more suspension members up and down a shaft 18 .
  • the elevator installation 10 may be a hydraulic elevator.
  • the elevator controller 12 includes in one embodiment a call control unit, which processes calls received from floor call terminals 32 , a car terminal, or both.
  • the call processing depends on the control scheme (e.g., a conventional up/down control system or a destination call control system), and includes, for example, determining the floor L 1 , L 2 , L 3 where the elevator car 20 is needed, determining the destination floor L 1 , L 2 , L 3 , allocating the call to the elevator car 20 , and acknowledging the call.
  • the elevator controller 12 controls the drive system 14 to move the elevator car 20 to the boarding floor L 1 , L 2 , L 3 , and then to the destination floor L 1 , L 2 , L 3 .
  • the functionality of the call control unit may be implemented separate from the elevator controller 12 , e.g., in a separate control unit coupled to the elevator controller 12 .
  • the emergency communications system 4 (Telealarm) is coupled to an emergency call panel 22 (SOS) arranged within the elevator car 20 . It is contemplated that the emergency communications system 4 encompasses in certain embodiments the emergency call panel 22 .
  • the emergency communications system 4 is also referred to as a telealarm system.
  • the emergency call panel 22 which may include a microphone, a loudspeaker and associated electronic circuitries, may be integrated in a car operating panel. Depending on the call control scheme used, the car operating panel may or may not provide for entry of a car call from within the elevator car 20 .
  • the emergency communications system 4 is further coupled to an elevator service center 8 (e.g., via a communications network 38 ), and the building alarm system 6 .
  • the elevator service center 8 is in one embodiment located at a remote location, and may be operated by a company that installed the elevator installation 10 , or any other service provider.
  • the building alarm system 6 includes a plurality of sensor units 26 , 36 arranged at predetermined locations of the building 2 (e.g., inside the building 2 and/or within a predetermined area outside the building 2 ) and selected to detect predetermined building events.
  • a sensor unit 26 , 36 generates and outputs an event signal upon detecting a building event.
  • the event signal may be digital signal having a predetermined voltage, e.g., about 5 volts, which corresponds to a logical “1”.
  • an output voltage of a sensor unit 26 , 36 may change from a voltage of about 0 volt, which corresponds to a logical “0” and indicates the absence of a building event, to about 5 volts if a building event is detected.
  • the event signal may include a predetermined sequence of voltage changes, e.g., representing a digital code.
  • the event signal may be an analog signal.
  • the building alarm system 6 includes an alarm processing unit 7 ( ⁇ P), which may be arranged at a central location within the building 2 , e.g., as a stand-alone device, or in connection with a building management and control system.
  • ⁇ P alarm processing unit 7
  • one type of sensor unit 26 is installed in a hallway of each floor L 1 , L 2 , L 3 , and may include a sensor for detecting a certain building event, such as fire, smoke, gas, movement, or water. It is contemplated that the sensor unit 26 may be installed at other locations as well. Sensors for these purposes, such as smoke detectors, heat detectors, humidity sensors, and infrared (IR) detectors are generally known in the art.
  • sensor unit 36 may include a sensor for detecting other building events, such as unauthorized entry, or failure of a mechanical or electrical building component. Sensors for these purposes may detect, for example, interruption of a light barrier, vibration, closing or opening of a contact of a switch, and apply heat detectors, infrared (IR) detectors, vibration sensors, and current or voltage sensors, which are generally known in the art.
  • the sensor unit 36 may be installed at the doors 9 (e.g., apartment doors, office doors, or building doors), windows of the building 2 , or at any other location that is to be monitored. Selecting these locations is known to one of ordinary skill in the art, and may, for example, depend on the structure and purpose of the building 2 .
  • this kind of sensor may be light barrier (e.g., at an entrance or door), a contact switch (e.g., at a window or door), or a vibration sensor (e.g., at the glass of a window or door), which are generally known in the art. It is contemplated that the sensor units 26 , 36 may include more than one sensor to detect more than one building event.
  • a sensor unit 26 , 36 includes, or is coupled to an actuator 34 , and is configured for a bi-directional communication, e.g., to receive and respond to an activation signal as one example of an action request.
  • the actuator 34 is installed at a door 9 to activate a door locking mechanism in response to a received activation signal.
  • the activation signal may be triggered by a software application (app) running on a portable electronic device of a building occupant, e.g., while being away from the building 2 , the occupant may want to unlock the door 9 for an authorized person, or to lock the door 9 .
  • the actuator 34 may include an electromagnetic relay, or a solid state relay. When an electromagnetic relay is activated, e.g., when an electric current passes through its coil, it releases a bolt to unlock the locking mechanism so that the door 9 can be opened.
  • a sensor unit 26 , 36 may be configured for a bi-directional communication, e.g., to receive and respond to a status request, which is another example of an action request.
  • the status request may be triggered by the software application upon selection by the occupant, or by a monitoring routine implemented in or being executed in connection with the elevator service central.
  • the status request obtains the current status of a sensor unit 26 , 36 ; its current status may indicate that the sensor unit 26 , 36 is working properly, and/or that no building event has been detected.
  • the sensor units 26 , 36 are coupled to the alarm processing unit 7 to communicate event signals that may be indicative of a building event to the alarm processing unit 7 .
  • each sensor unit 26 , 36 is connected via a communications line to the alarm processing unit 7 .
  • the communications line may be based on individual wires that establish point-to-point connections between the sensor units 26 , 36 and the alarm processing unit 7 , or a communications bus structure, wherein the sensor units 26 , 36 and the alarm processing unit 7 are coupled to the communications bus.
  • the sensor units 26 , 36 are configured for wireless communications with the alarm processing unit 7 .
  • Each sensor unit 26 , 36 includes a radio frequency (RF) module that transmits RF signals according to a certain RF communications technology, such as WiFi/WLAN.
  • FIG. 1 shows RF transceivers 30 (Router TX/RX) installed on each floor L 1 , L 2 , L 3 and coupled to the alarm processing unit 7 via a communications line 24 .
  • the communications line 24 may be based on individual wires that establish point-to-point connections between the RF transceivers 30 and the alarm processing unit 7 , or a communications bus structure, wherein the RF transceivers 30 and the alarm processing unit 7 are coupled to the communications bus.
  • the RF transceivers 30 may be identified by the alarm processing unit 7 through its address if a bus structure is used, or through a port at which the RF transceiver 30 is connected to the alarm processing unit 7 .
  • FIG. 1 shows one RF transceiver 30 for each floor L 1 , L 2 , L 3
  • two or more RF transceivers 30 may be installed on a floor L 1 , L 2 , L 3 .
  • the number of RF transceivers 30 may depend on parameters such as the layout or size of the floor L 1 , L 2 , L 3 , the maximum distance between the RF transceiver 30 and the sensor units 26 , 36 , and the used RF technology. In consideration of one or more of these parameters, each location for the RF transceiver 30 is selected to ensure reliable RF communications.
  • the RF transceiver 30 is part of a floor terminal 16 that also houses the floor call terminal 32 of the elevator installation 10 .
  • each RF transceiver 30 may be a stand-alone device mounted at a location on the floor L 1 , L 2 , L 3 independent of the floor call terminal 32 .
  • the floor call terminal 32 is coupled via an elevator control network 28 to the elevator controller 12
  • the RF transceiver 30 is coupled to the alarm processing unit 7 via the communications line 24 .
  • the floor terminal 16 may have a column-like structure for mounting on the floor at a convenient location for elevator passengers.
  • the floor terminal 16 may be mounted to a building wall, or integrated into an elevator door frame.
  • the elevator control network 28 and the communications line 24 extends in vertical direction within the elevator shaft 18 . Since the elevator shaft 18 is used as a vertical conduit, this facilitates installation of the building alarm system 6 , e.g., when the building alarm system 6 is installed after the building 2 has been erected, as mentioned elsewhere in this description.
  • the building alarm system 6 recognizes the sensor unit 26 , 36 that detects a building event.
  • each sensor unit 26 , 36 stores a sensor identifier
  • the alarm processing unit 40 maintains a database storing for each sensor unit 26 , 36 a data sets. Each data set stores the sensor unit's identifier together with information about where it is located within the building 2 , and the type of sensor. If the sensor unit 26 , 36 detects a building event, it transmits the sensor identifier together with the event signal to the RF transceiver 30 . In one embodiment, the RF transceiver 30 forwards the event signal and the sensor identifier to the alarm processing unit 7 .
  • the alarm processing unit 7 may then identify the sensor unit 26 , 36 and/or its location, and the RF transceiver 30 .
  • the database may be maintained at the elevator service central 8 , which then performs the identification of the sensor unit 26 , 36 , and its location (e.g., the building location and its location within the building 2 ).
  • the sensor units 26 , 36 may in one embodiment be equipped with a signal transmitter and a signal receiver, which may be arranged in a transceiver module. Each sensor unit 26 , 36 may be distinguishable from other sensor units 26 , 36 , e.g., by having a unique address within the building 2 . This allows, e.g., addressing a particular sensor unit 26 , 36 when communicating an action request, or allocating a response from a sensor unit 26 , 36 to a particular sensor unit 26 , 36 . Further, the sensor units 26 , 36 may operate according to a predetermined communications protocol used within the security system 1 .
  • FIG. 2 shows a schematic illustration of the security system 1 of FIG. 1 to illustrate one embodiment of data exchange between the building alarm system 6 and the emergency communications system 4 of the elevator installation 10 .
  • the building alarm system 6 includes a data interface 42 coupled to the alarm processing unit 7 and to the communications interface 5 of the emergency communications system 4
  • the emergency communications system 4 includes a processing unit 40 interconnected between the emergency call panel 22 of the elevator car 20 and the communications interface 5 .
  • the processing unit 40 is further coupled to the alarm processing unit 7 via a line 44 , e.g., to receive a control signal that indicates that an event signal needs to be transmitted by the emergency communications system 4 .
  • the data interface 42 may be coupled to the processing unit 40 , which recognizes the need for transmission of an event signal as soon as it is output from the data interface 42 . It is contemplated that FIG. 2 shows the data interface 42 and the communications interface 5 as separate units for illustrative purposes; in other embodiments the interfaces ( 5 , 42 ) may be encompassed by the processing units ( 7 , 40 ).
  • the emergency communications system 4 operates as is known in the art.
  • the passenger may press an SOS button of the emergency call panel 22 .
  • the processing unit 40 establishes, for example, bi-directional voice communication between the emergency call panel 22 and the remote elevator service central 8 .
  • the processing unit 40 initiates dialing a preset phone number and calling the elevator service central 8 .
  • a building identifier is transmitted to the elevator service central 8 that indicates the origin of the call.
  • the communication may, for example, take place over a public switched telephone network (PSTN), the internet (e.g., as voice-over-internet (VoIP) telephony), or a mobile communications network (e.g., according to a standard for UMTS or LTE networks).
  • PSTN public switched telephone network
  • VoIP voice-over-internet
  • a mobile communications network e.g., according to a standard for UMTS or LTE networks.
  • a mobile communications network provides for a data channel for data transmissions and a voice channel for voice transmissions
  • the conversation between the personnel at the elevator service central 8 and the passenger may be transmitted over the voice channel.
  • the communications interface 5 is configured according to the transmission and communications technologies applied in the network 38 .
  • FIG. 3 shows a flow diagram of one embodiment of a method of operating the security system 1 . It is contemplated that in another illustration of the flow diagram some of the shown steps may be merged into a single step, or split into several separate steps.
  • the flow diagram starts at a step S 1 and ends at a step S 5 .
  • the emergency communications system 4 of the elevator installation 10 receives an event signal from the building alarm system 6 .
  • the event signal indicates a building event detected by a sensor unit 26 , 36 .
  • the sensor unit 26 , 36 transmits the event signal to the (e.g., closest) RF transceiver 30 which forwards the event signal to the alarm processing unit 7 .
  • the alarm processing unit 7 may analyze the event signal to determine the kind of building event (e.g., fire or unauthorized access), e.g., based on the type of sensor that generated the event signal, or the location of the sensor unit 26 , 36 .
  • the alarm processing unit 7 outputs the event signal to the data interface 42 .
  • the emergency communications system 4 establishes a communications link to the elevator service central 8 .
  • the emergency communications system 4 establishment of the communications, as described above, e.g., by calling the preset telephone number of the elevator service central 8 .
  • the communications link is set up via the communications network 38 .
  • the emergency communications system 4 transmits the emergency signal over the established communications link.
  • the communications interface 5 conforms the event signal according to the transmission technology used for communications with the elevator service central 8 .
  • the communications interface 5 may conform the signal's voltage level to a defined voltage level and transmit the event signal at a defined transmission rate according to a set transmission protocol.
  • the communications interface 5 converts the event signal to an RF event signal and transmits it according to a defined transmission protocol (e.g., one for UMTS).
  • the RF event signal may be transmitted in a data channel of the mobile communications system.
  • an emergency call from the elevator car 22 may coincide with a building event.
  • the emergency communications system 4 handles the emergency call and the event signal in the sequence of occurrence.
  • a hierarchy may be defined, e.g., transmission of the event signal has priority over the emergency call.
  • the event signal may be transmitted over a data channel and the emergency call may be conducted over a voice channel.
  • transmission of the event signal may be interweaved with the emergency call. Since the transmission of the event signal requires only a short time, the event signal may be transmitted, e.g., while an emergency call is already ongoing.
  • the processing unit 40 may be programmed to operate according to one of these embodiments. These embodiments ensure that both the building event and the emergency call are handled reliable and essentially in real time.
  • the method illustrated in and described with reference to FIG. 3 may be modified in that it provides for communication of an action request from the elevator service central 8 via the communications interface 5 of the emergency communications system 4 to the building alarm system 6 .
  • communicating the action request includes establishing, by the elevator service central 8 , a communications link between the elevator service central 8 and the emergency communications system.
  • the emergency communications system 4 Upon receipt of the action request by the emergency communications system 4 of the elevator installation 10 , the emergency communications system 4 transmits the action request to the building alarm system 6 .

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
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Publication number Priority date Publication date Assignee Title
US20180057307A1 (en) * 2016-08-24 2018-03-01 Otis Elevator Company Communication with a trapped passenger in a transportation system
US10983210B2 (en) * 2017-09-25 2021-04-20 Otis Elevator Company Elevator sensor array system

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Publication number Priority date Publication date Assignee Title
FR3087040B1 (fr) * 2018-10-04 2023-12-29 Amphitech Sarl Systeme pour donner l'alerte entre un ascenseur et un poste central

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MX2019005501A (es) 2019-07-04
CN109937186A (zh) 2019-06-25
BR112019006983A2 (pt) 2019-06-25
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US11250690B2 (en) 2022-02-15
EP3538467B1 (en) 2021-09-08

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