CN110325470B - Center side communication device and communication system of elevator - Google Patents
Center side communication device and communication system of elevator Download PDFInfo
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- CN110325470B CN110325470B CN201780080466.9A CN201780080466A CN110325470B CN 110325470 B CN110325470 B CN 110325470B CN 201780080466 A CN201780080466 A CN 201780080466A CN 110325470 B CN110325470 B CN 110325470B
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- 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
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Elevator Control (AREA)
- Closed-Circuit Television Systems (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
Provided is a center-side communication device for an elevator, which can not only notify information of users in a car to external related persons, but also notify information of external related persons to users in the car. The center side communication device of an elevator comprises: a receiving unit that receives, from an elevator-side communication device of an elevator, identification information read from an identification body inside a car of the elevator; a transmission unit that transmits temporary access information corresponding to the identification information received by the reception unit to a transmission destination corresponding to the identification information; and a relay unit that relays, when access to the temporary access information corresponding to the identification information received by the receiving unit is detected, bidirectional communication between the destination to which the temporary access information has been transmitted and the elevator-side communication device.
Description
Technical Field
The present invention relates to a center-side communication device and a communication system for an elevator.
Background
Patent document 1 discloses a communication system for an elevator. According to this communication system, information of the user inside the car can be transmitted to the relevant person outside.
Documents of the prior art
Patent document
Patent document 1: japanese patent laid-open publication No. 2003-252540
Disclosure of Invention
Problems to be solved by the invention
However, in the communication system described in patent document 1, information is not transmitted from an external person to a user inside the car. Therefore, the user in the car cannot be notified of information from the outside relevant person.
The present invention has been made to solve the above problems. An object of the present invention is to provide a center-side communication device and a communication system for an elevator, which can notify not only external related persons but also users inside a car of information of the users inside the car.
Means for solving the problems
The center side communication device of an elevator of the invention comprises: a receiving unit that receives, from an elevator-side communication device of an elevator, identification information read from an identification body inside a car of the elevator; a transmission unit that transmits temporary access information corresponding to the identification information received by the reception unit to a transmission destination corresponding to the identification information; and a relay unit that, when detecting an access to the temporary access information corresponding to the identification information received by the receiving unit, relays bidirectional communication between the destination to which the temporary access information has been transmitted and the elevator-side communication device.
The communication system of the elevator of the invention comprises: an elevator-side communication device that transmits identification information read from an identification body inside a car of an elevator; and a center-side communication device that receives the identification information transmitted from the elevator side, transmits temporary access information corresponding to the identification information to a destination corresponding to the identification information, and relays bidirectional communication between the destination to which the temporary access information is transmitted and the elevator-side communication device when access to the temporary access information is detected.
Effects of the invention
According to these inventions, the center-side communication device relays bidirectional communication between the destination to which the temporary access information is transmitted and the elevator-side communication device. Therefore, not only information of users inside the car can be notified to external relevant persons, but also information from external relevant persons can be notified to users inside the car.
Drawings
Fig. 1 is a configuration diagram of an elevator to which a communication system of an elevator according to embodiment 1 of the present invention is applied.
Fig. 2 is a configuration diagram of an elevator communication system according to embodiment 1 of the present invention.
Fig. 3 is a diagram for explaining a user database of an elevator communication system according to embodiment 1 of the present invention.
Fig. 4 is a diagram for explaining temporary access information transmitted by a center-side communication device in an elevator communication system according to embodiment 1 of the present invention.
Fig. 5 is a block diagram for explaining a functional configuration of an elevator communication system according to embodiment 1 of the present invention.
Fig. 6 is a flowchart for explaining the operation of the elevator-side communication device of the elevator communication system according to embodiment 1 of the present invention.
Fig. 7 is a flowchart for explaining the operation of the center-side communication device of the elevator communication system according to embodiment 1 of the present invention.
Fig. 8 is a hardware configuration diagram of a center-side communication device and an elevator-side communication device of an elevator communication system according to embodiment 1 of the present invention.
Detailed Description
The modes for carrying out the invention are illustrated in accordance with the accompanying drawings. In the drawings, the same or corresponding portions are denoted by the same reference numerals. Repeated explanation of this part is appropriately simplified or omitted.
Embodiment mode 1
Fig. 1 is a configuration diagram of an elevator to which a communication system of an elevator according to embodiment 1 of the present invention is applied.
In the elevator of fig. 1, a hoistway 1 penetrates each floor of a building. The plurality of landings 2 are provided on each floor of the building. The car 3 is provided inside the hoistway 1. For example, the control device 4 is provided in an upper portion inside the hoistway 1. The control device 4 controls the operation of the car 3.
Next, an outline of the communication system of the elevator will be described with reference to fig. 2.
Fig. 2 is a configuration diagram of an elevator communication system according to embodiment 1 of the present invention.
As shown in fig. 2, the camera 5 is provided inside the car 3. The camera 5 is provided so as to be able to photograph the inside of the car 3. The microphone 6 is provided inside the car 3. The microphone 6 is provided so as to be able to be used in emergency communication or the like. The display device 7 is provided inside the car 3. The display device 7 is provided to display an image or the like inside the car 3. The speaker 8 is provided inside the car 3. The speaker 8 is arranged to play a broadcast or the like.
The reading device 9 is provided in the car 3. The elevator-side communication device 10 is provided corresponding to an elevator. For example, the elevator-side communication device 10 is provided in the control device 4.
For example, the center-side communication device 11 is provided outside a building in which an elevator is installed. For example, a monitoring center provided in a maintenance company of an elevator. For example, the user database 12 is provided outside a building in which an elevator is installed. For example, the user database 12 is provided in a monitoring center of an elevator maintenance company.
The relevant person terminal 13 is held by a relevant person of the user of the elevator. For example, the device is installed in a home of a user. The related person terminal 13 is, for example, a personal computer. The related person terminal 13 is, for example, a portable terminal such as a smartphone.
The identification body 14 is carried by a user of the elevator. For example, the recognition entity 14 is an RFID tag. For example, the recognition object 14 is a mobile terminal such as a smartphone.
When a user carries the recognition object 14 to the car 3, the reading device 9 reads the recognition information from the recognition object 14. The elevator-side communication device 10 transmits the identification information read by the reader 9 to the monitoring center via the elevator monitoring network.
The center-side communication device 11 receives the identification information. The center-side communication device 11 generates temporary access information corresponding to the identification information. The center-side communication device 11 acquires information on the transmission destination of the relevant person corresponding to the identification information from the user database 12. The center-side communication device 11 transmits the temporary access information to the transmission destination via the internet or the like.
The relevant person terminal 13 receives the temporary access information. The relevant person terminal 13 displays the temporary access information in accordance with the temporary access information.
When the user selects the temporary access information using the relevant person terminal 13, the center-side communication device 11 detects access to the temporary access information. At this time, the center-side communication device 11 relays bidirectional communication between the relevant person terminal 13 and the elevator-side communication device 10.
At this time, the image information inside the car 3 is output through the elevator-side communication device 10 and the center-side communication device 11 via the relevant person terminal 13. The voice information inside the car 3 is output through the elevator-side communication device 10 and the center-side communication device 11 and the relevant person terminal 13.
On the other hand, the image information from the relevant person terminal 13 is output by the display device via the center-side communication device 11 and the elevator-side communication device 10. For example, the voice information from the relevant person terminal 13 is output through the speaker 8 via the center-side communication device 11 and the elevator-side communication device 10.
Next, an example of the user database 12 will be described with reference to fig. 3.
Fig. 3 is a diagram for explaining a user database of an elevator communication system according to embodiment 1 of the present invention.
For example, the user database 12 stores "tag ID" information as identification information. The user database 12 stores "mail address" information as information of a transmission destination of the relevant person. The user database 12 stores the "tag ID" information and the "mail address" information in association with each other.
For example, the user database 12 stores "0123456789" information as "tag ID" and "xxxxxx @ yy.zz.com" information as "mail address" in association with each other. For example, the user database 12 stores "9876543210" information as "tag ID" and "aaaaa @ bb.
Next, an example of the temporary access information will be described with reference to fig. 4.
Fig. 4 is a diagram for explaining temporary access information transmitted by a center-side communication device in an elevator communication system according to embodiment 1 of the present invention.
In fig. 4, the temporary access information is included in the mail addressed to the destination of the relevant person. The mail includes elevator information in addition to the temporary access information. The relevant person terminal 13 displays the contents of the elevator information and the temporary access information.
For example, as the elevator information, a character "elevator boarding (AA floor 1F) detected with respect to the elevator" is displayed on the upper part of the display screen of the relevant person terminal 13. For example, as the elevator information, an image of the inside of the car 3 is displayed at the center portion of the display screen of the relevant person terminal 13. For example, "< call start >" is displayed on the lower part of the display screen of the relevant person terminal 13 as the temporary access information.
In fig. 4, "< call start >" is a link to the URI for temporary access. In the case where the relevant person selects the link using the relevant person terminal 13, bidirectional communication between the relevant person terminal 13 and the center-side communication device 11 is established. As a result, the outside person concerned and the user inside the car 3 can start a call including the image.
Next, a functional configuration of the communication system will be described with reference to fig. 5.
Fig. 5 is a block diagram for explaining a functional configuration of an elevator communication system according to embodiment 1 of the present invention.
As shown in fig. 5, the elevator-side communication device 10 includes an elevator/landing detection unit 10a, an elevator/landing information transmission unit 10b, and an audio/video information transmission/reception unit 10 c.
The boarding/alighting detection unit 10a detects boarding/alighting of the elevator by the user based on information from the reading device 9. The boarding/alighting information transmitting unit 10b transmits the boarding/alighting information from the boarding/alighting detecting unit 10a to the center-side communication device 11. The audio/video information transmitting/receiving unit 10c transmits the video information collected by the camera 5 and the audio information collected by the microphone 6 to the center-side communication device 11. The audio/video information transmitting/receiving unit 10c reproduces the video information transmitted from the center-side communication device 11 by using the display device 7. The audio/video information transmitting/receiving unit 10c reproduces the audio information transmitted from the center-side communication device 11 by the speaker 8.
The center-side communication device 11 includes an entrance/exit information receiving unit 11a, a temporary access information generating unit 11b, and an audio/video information relay unit 11 c.
The boarding/alighting information receiving unit 11a receives boarding/alighting information transmitted from the elevator-side communication device 10. The temporary access information generating unit 11b generates temporary access information based on the contents of the boarding/alighting information received by the boarding/alighting information receiving unit 11 a. The temporary access information generating unit 11b transmits the temporary access information to the corresponding destination. The audio/video information relay unit 11c relays video information and audio information in the bidirectional communication between the relevant person terminal 13 corresponding to the destination and the elevator-side communication device 10.
Next, the operation of the elevator-side communication device 10 will be described with reference to fig. 6.
Fig. 6 is a flowchart for explaining the operation of the elevator-side communication device of the elevator communication system according to embodiment 1 of the present invention.
In step S1, the elevator-side communication device 10 determines whether or not the identification information has been read. If it is determined in step S1 that the identification information has not been read, the elevator-side communication device 10 performs the operation of step S1. If it is determined in step S1 that the identification information has been read, the elevator-side communication device 10 performs the operation of step S2.
In step S2, the elevator-side communication device 10 transmits the boarding information to the monitoring center. Then, the elevator-side communication device 10 performs the operation of step S3. In step S3, the elevator-side communication device 10 activates the function of the audio/video information transmitting/receiving unit 10 c. Then, the elevator-side communication device 10 performs the operation of step S4.
In step S4, the elevator-side communication device 10 determines whether or not the identification information has been read. If it is determined in step S4 that the identification information has been read, the elevator-side communication device 10 performs the operation of step S4. If it is determined in step S4 that the identification information has not been read, the elevator-side communication device 10 performs the operation of step S5.
In step S5, the elevator-side communication device 10 transmits the boarding information to the monitoring center. Then, the elevator-side communication device 10 performs the operation of step S6. In step S6, the elevator-side communication device 10 ends the function of the audio/video information transmitting/receiving unit 10 c. Then, the elevator-side communication device 10 performs the operation of step S1.
Next, the operation of the center-side communication device 11 will be described with reference to fig. 7.
Fig. 7 is a flowchart for explaining the operation of the center-side communication device of the elevator communication system according to embodiment 1 of the present invention.
In step S11, the center-side communication device 11 determines whether or not the boarding information is received. If it is determined in step S11 that the boarding information has not been received, the center-side communication device 11 performs the operation of step S11. When it is determined in step S11 that the boarding information has been received, the center-side communication device 11 performs the operation of step S12.
In step S12, the center-side communication device 11 generates temporary access information. Then, the center-side communication device 11 performs the operation of step S13. In step S13, the center-side communication device 11 acquires the destination information corresponding to the identification information from the user database 12. Then, the center-side communication device 11 performs the operation of step S14.
In step S14, the center-side communication device 11 transmits a mail including the temporary access information to the transmission destination. Then, the center-side communication device 11 performs the operation of step S15. In step S15, the center-side communication device 11 determines whether or not access to the temporary access information is detected.
If access to the temporary access information is not detected in step S15, the center-side communication device 11 performs the operation of step S16. In step S16, the center-side communication device 11 determines whether the landing information is received. When it is determined in step S16 that the boarding information has not been received, the center-side communication device 11 performs the operation of step S15. When it is determined in step S16 that the boarding information has been received, the center-side communication device 11 performs the operation of step S11.
When the access to the temporary access information is detected in step S15, the center-side communication device 11 performs the operation of step S17. In step S17, the center-side communication device 11 activates the function of the audio/video information relay unit 11 c. Then, the center-side communication device 11 performs the operation of step S18.
In step S18, the center-side communication device 11 determines whether the landing information is received. When it is determined in step S18 that the boarding information has not been received, the center-side communication device 11 performs the operation of step S18. When it is determined in step S18 that the boarding information has been received, the center-side communication device 11 performs the operation of step S19.
In step S19, the center-side communication device 11 ends the function of the audio/video information relay unit 11 c. Then, the center-side communication device 11 performs the operation of step S20. In step S20, the center-side communication device 11 invalidates the temporary access information. Then, the center-side communication device 11 performs the operation of step S11.
According to embodiment 1 described above, the center-side communication device 11 relays bidirectional communication between the destination to which the temporary access information has been transmitted and the elevator-side communication device 10 in real time. Therefore, not only information of users inside the car 3 but also information of users inside the car 3 from outside can be notified to the relevant persons outside. As a result, both the user inside the car 3 and the related person outside can be provided with a sense of security.
For example, parents can also know the location and time of elevator usage by children. For example, it is also possible to confirm video information and audio information inside the car 3 by a parent's smartphone. In this case, the parent can feel a sense of security.
For example, it is also possible to reproduce video information and audio information from a parent's smartphone in the car 3 on which the child rides. In this case, the child can be relieved. In addition, the system can also cause deterrence to suspicious people.
When the identification information cannot be read, the center-side communication device 11 invalidates the temporary access information corresponding to the identification information. As a result, the relay of the bidirectional communication between the destination to which the temporary access information is transmitted and the elevator-side communication device 10 is cut off. Therefore, the bidirectional communication between the destination and the elevator-side communication device 10 can be maintained only when necessary. As a result, it is possible to prevent the image inside the car 3 from being visible from the outside at all times.
When the plurality of identification information are read, only video information may be relayed without relaying audio information in bidirectional communication between each of the plurality of destinations corresponding to the plurality of identification information and the elevator-side communication device 10. In this case, a plurality of persons can view the image inside the car 3. As a result, a sense of reassurance can be given to a plurality of persons concerned.
Next, an example of the elevator-side communication device 10 and the center-side communication device 11 will be described with reference to fig. 8.
Fig. 8 is a hardware configuration diagram of an elevator-side communication device and a center-side communication device of an elevator communication system according to embodiment 1 of the present invention.
The functions of the elevator-side communication device 10 can be implemented by a processing circuit. For example, the processing circuit has at least one processor 15a and at least one memory 15 b. For example, the processing circuitry has at least one dedicated hardware 16.
In the case of a processing circuit having at least one processor 15a and at least one memory 15b, the functions of the elevator-side communication device 10 are implemented by software, firmware, or a combination of software and firmware. At least one of the software and the firmware is described as a program. At least one of the software and the firmware is stored in the at least one memory 15 b. For example, the at least one processor 15a realizes each function of the elevator-side communication device 10 by reading out and executing a program stored in the at least one memory 15 b. The at least one processor 15a is also referred to as a CPU (Central Processing Unit), a Central Processing Unit, a Processing device, an arithmetic device, a microprocessor, a microcomputer, or a DSP. For example, the at least one Memory 15b is a nonvolatile or volatile semiconductor Memory such as a RAM (Random Access Memory), a ROM (Read Only Memory), a flash Memory, an EPROM (Erasable Programmable Read Only Memory), an EEPROM (Electrically Erasable Programmable Read Only Memory), a magnetic Disk, a flexible Disk, an optical Disk, a compact Disk, a mini Disk, a DVD (Digital Versatile Disk), or the like.
In the case of a processing circuit having at least one dedicated piece of hardware 16, the processing circuit is implemented, for example, by a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC, an FPGA, a PLD, a CPLD, or a combination thereof. For example, each function of the elevator-side communication device 10 is realized by each processing circuit. For example, the functions of the elevator-side communication device 10 are collectively realized by the processing circuit.
The functions of the elevator-side communication device 10 may be implemented partly by the dedicated hardware 16 and partly by software or firmware. For example, the functions of the audio/video information transmitting/receiving unit 10c may be realized by a processing circuit as the dedicated hardware 16, and the functions other than the functions of the audio/video information transmitting/receiving unit 10c may be realized by the at least one processor 15a reading and executing a program stored in the at least one memory 15 b.
In this way, the processing circuit can implement the functions of the elevator-side communication device 10 by hardware 16, software, firmware, or a combination thereof.
Each function of the center-side communication device 11 can be realized by a processing circuit. For example, the processing circuit has at least one processor 17a and at least one memory 17 b. For example, the processing circuitry has at least one dedicated hardware 18.
In the case of a processing circuit having at least one processor 17a and at least one memory 17b, the respective functions of the center-side communication device 11 are realized by software, firmware, or a combination of software and firmware. At least one of the software and the firmware is described as a program. At least one of the software and the firmware is stored in the at least one memory 17 b. The at least one processor 17a realizes each function of the center-side communication device 11 by reading out and executing a program stored in the at least one memory 17 b. The at least one processor 17a is also referred to as a CPU (Central Processing Unit), a Central Processing Unit, a Processing device, an arithmetic device, a microprocessor, a microcomputer, or a DSP. For example, the at least one Memory 17b is a nonvolatile or volatile semiconductor Memory such as a RAM (Random Access Memory), a ROM (Read Only Memory), a flash Memory, an EPROM (Erasable Programmable Read Only Memory), an EEPROM (Electrically Erasable Programmable Read Only Memory), a magnetic Disk, a flexible Disk, an optical Disk, a compact Disk, a mini Disk, a DVD (Digital Versatile Disk), or the like.
In the case of a processing circuit having at least one dedicated piece of hardware 18, the processing circuit is implemented, for example, by a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC, an FPGA, a PLD, a CPLD, or a combination thereof. For example, each function of the center-side communication device 11 is realized by each processing circuit. For example, the respective functions of the center-side communication device 11 are collectively realized by the processing circuit.
The functions of the center-side communication device 11 may be partly implemented by the dedicated hardware 18 and partly implemented by software or firmware. For example, the functions of the audio/video information relay unit 11c may be realized by a processing circuit as the dedicated hardware 18, and the functions other than the functions of the audio/video information relay unit 11c may be realized by the at least one processor 17a reading out and executing a program stored in the at least one memory 17 b.
In this way, the processing circuit can implement each function of the center-side communication device 11 by hardware 18, software, firmware, or a combination thereof.
Industrial applicability
As described above, the center-side communication device and the communication system for an elevator according to the present invention can notify not only the information of the user inside the car to the external relevant person but also the information of the user inside the car from the external relevant person.
Description of the reference symbols
1, a shaft; 2, a landing; 3, a lift car; 4 a control device; 5, a camera; 6, a microphone; 7a display device; 8, a loudspeaker; 9 a reading device; 10 an elevator-side communication device; 10a an ascending/descending detection unit; 10b an ascending/descending information transmitting unit; 10c a voice/video information transmitting/receiving unit; 11a center-side communication device; 11a an ascending/descending information receiving unit; 11b a temporary access information generation unit; 11c an audio/video information relay unit; 12 a user database; 13, a terminal of related personnel; 14, a recognition entity; 15a processor; 15b a memory; 16 hardware; 17a processor; 17b a memory; 18 hardware.
Claims (4)
1. A center-side communication device of an elevator, wherein the center-side communication device of the elevator comprises:
a receiving unit that receives, from an elevator-side communication device of an elevator, identification information read from an identification body inside a car of the elevator;
a generation unit that generates temporary access information corresponding to the identification information, based on the identification information received by the reception unit;
a transmission unit that transmits the temporary access information to a transmission destination corresponding to the identification information, the transmission destination displaying information corresponding to the temporary access information; and
a relay unit that relays bidirectional communication between the destination to which the temporary access information has been transmitted and the elevator-side communication device when access to the temporary access information corresponding to the identification information received by the receiving unit is detected,
when the plurality of identification information are read, the relay unit relays video information without relaying audio information in bidirectional communication between the elevator-side communication device and a plurality of destinations corresponding to the plurality of identification information.
2. The center-side communication device of an elevator according to claim 1,
the relay unit, when the identification information is no longer read, interrupts the relay of the bidirectional communication between the destination to which the temporary access information corresponding to the identification information is transmitted and the elevator-side communication device.
3. A communication system of an elevator, wherein the communication system of the elevator has:
an elevator-side communication device that transmits identification information read from an identification body inside a car of an elevator; and
a center-side communication device that receives the identification information transmitted from the elevator-side communication device, generates temporary access information corresponding to the identification information, transmits the temporary access information to a transmission destination corresponding to the identification information, displays the temporary access information in correspondence with the temporary access information, and relays bidirectional communication between the transmission destination to which the temporary access information is transmitted and the elevator-side communication device when access to the temporary access information is detected,
when a plurality of identification information are read, the center-side communication device relays video information without relaying audio information in bidirectional communication between a plurality of destinations corresponding to the plurality of identification information and the elevator-side communication device.
4. The communication system of the elevator according to claim 3,
the center-side communication device interrupts the relay of the bidirectional communication between the destination to which the temporary access information corresponding to the identification information is transmitted and the elevator-side communication device when the identification information is not read any more.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2017/008517 WO2018158937A1 (en) | 2017-03-03 | 2017-03-03 | Center-side communication device and communication system for elevators |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110325470A CN110325470A (en) | 2019-10-11 |
| CN110325470B true CN110325470B (en) | 2021-11-23 |
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| CN201780080466.9A Active CN110325470B (en) | 2017-03-03 | 2017-03-03 | Center side communication device and communication system of elevator |
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| JP (1) | JP6519722B2 (en) |
| KR (1) | KR102077302B1 (en) |
| CN (1) | CN110325470B (en) |
| WO (1) | WO2018158937A1 (en) |
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| JP6795127B1 (en) * | 2019-11-08 | 2020-12-02 | 三菱電機ビルテクノサービス株式会社 | Elevator system |
| CN113086800B (en) * | 2021-04-13 | 2022-12-27 | 惠州市惠发电梯工程有限公司 | Visual emergency call system for elevators |
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2017
- 2017-03-03 CN CN201780080466.9A patent/CN110325470B/en active Active
- 2017-03-03 WO PCT/JP2017/008517 patent/WO2018158937A1/en active Application Filing
- 2017-03-03 JP JP2019502408A patent/JP6519722B2/en active Active
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| Publication number | Publication date |
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| WO2018158937A1 (en) | 2018-09-07 |
| JP6519722B2 (en) | 2019-05-29 |
| KR102077302B1 (en) | 2020-02-14 |
| CN110325470A (en) | 2019-10-11 |
| JPWO2018158937A1 (en) | 2019-07-18 |
| KR20190091364A (en) | 2019-08-05 |
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