CN110054042A - Program is erased device and program erasing method - Google Patents
Program is erased device and program erasing method Download PDFInfo
- Publication number
- CN110054042A CN110054042A CN201810699291.6A CN201810699291A CN110054042A CN 110054042 A CN110054042 A CN 110054042A CN 201810699291 A CN201810699291 A CN 201810699291A CN 110054042 A CN110054042 A CN 110054042A
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- China
- Prior art keywords
- program
- long
- time
- timer
- elevator
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3423—Control system configuration, i.e. lay-out
Abstract
The present invention provides a kind of program and erases device and program erasing method, even if in the case where after maintenance contract long-distance monitorng device can not be recycled, the rough sledding that can also effectively prevent long-range monitoring program resolved and lead to technical information leakage etc.The program of embodiment erases device with timer and control unit.Timer sets setting time based on the interval for the upkeep operation for carrying out elevator, the output control signal once the time of institute's timing reaches the setting time.Control unit erases and the long-range monitoring program that the long-distance monitorng device at the setting scene of the elevator is stored is arranged in the case where the timer outputs the control signal.
Description
Technical field
Embodiments of the present invention are related to a kind of program and erase device and program erasing method.
Background technique
The maintenance of elevator is implemented based on maintenance contract.During maintenance contract, the long-range of elevator generally will do it
The upkeep operation that monitoring and upkeep operation person periodically carry out at the scene.After signing maintenance contract, in order to can be carried out the long-range of elevator
Monitoring can be arranged long-distance monitorng device at the setting scene of elevator, and connect the long-distance monitorng device via communication line and set
Set the remote monitoring server in monitoring center.Long-distance monitorng device according to pre-stored long-range monitoring program, for example, from
Elevator control panel collects diagnostic information and is sent to remote monitoring server, carries out elevator using the information being collected into
Diagnostic result is simultaneously sent to remote monitoring server by self diagnosis.
Maintenance contract do not update and at the end of it is long-range to monitor because not going on the long-range monitoring of elevator
Device no longer needs.But after maintenance contract, there is upkeep operation person etc. not can enter the feelings at setting scene of elevator more
Condition, in the case, long-distance monitorng device cannot be recycled and be placed.Moreover, if long-distance monitorng device is placed on elevator
Setting scene, the then long-range monitoring for having long-distance monitorng device to be stored are parsed with program by third party, the technology letter of this category secret
Cease the anxiety of leakage.
Existing technical literature
Patent document
Patent document 1: Japanese Patent Laid-Open 2016-216151 bulletin
Summary of the invention
Problems to be solved by the invention
It erases device and program erasing method the problem to be solved by the present invention is that providing a kind of program, even if safeguarding
In the case where long-distance monitorng device can not be recycled after contract, it can also effectively prevent long-range monitoring program resolved and lead
Cause the rough sledding of technical information leakage etc.
Technical means to solve problem
The program of embodiment erases device with timer and control unit.Timer is made to based on the maintenance for carrying out elevator
The interval of industry and the setting time set is kept, and once institute's timing to time reach the setting time once export control
Signal processed.Control unit the timer export the control signal in the case where, erase be arranged in the elevator setting show
The long-range monitoring program that the long-distance monitorng device of field is stored.
Detailed description of the invention
Fig. 1 is the composition for indicating the elevator remote monitoring system that there is program to erase device involved in the 1st embodiment
The block diagram of example.
Fig. 2 be indicate program involved in the 1st embodiment erase device action example flow chart.
Fig. 3 is the composition for indicating the elevator remote monitoring system that there is program to erase device involved in the 2nd embodiment
The block diagram of example.
Fig. 4 be indicate program involved in the 2nd embodiment erase device action example flow chart.
Specific embodiment
It carries out hereinafter, Duiing erase device and program erasing method of program involved in embodiment while referring to attached drawing
It is described in detail.Present embodiment pass through erase automatically be arranged in elevator setting scene long-distance monitorng device stored it is long-range
Monitoring program, even if can also effectively prevent long-range monitoring program quilt in the case where long-distance monitorng device can not be recycled
Parse and cause technical information leakage etc rough sledding.
The 1st embodiment > of <
Fig. 1 is the structure for indicating the elevator remote monitoring system that there is program to erase device 10A involved in the 1st embodiment
At the block diagram of example.As shown in Figure 1, the elevator remote monitoring system have program erase device 10A, long-distance monitorng device 20, electricity
Terraced control panel 30 and remote monitoring server 40.Erase device 10A, long-distance monitorng device 20 and elevator control panel 30 of program is arranged
At the setting scene of elevator.Remote monitoring server 40 is arranged in monitoring center.The long-range monitoring at elevator setting scene is set
Device 20 and the remote monitoring server 40 that monitoring center is arranged in are to connect via communication line 50 and be able to carry out communication.
The storage of long-distance monitorng device 20 is for executing the long-range monitoring program handled necessary to the long-range monitoring of elevator
21.The long-distance monitorng device 20 is signed this event according to the maintenance contract remotely monitored comprising elevator and elevator is arranged in
Setting scene executes various processing necessary to the long-range monitoring of elevator according to long-range monitoring program 21.For example, long-range prison
Control device 20 collects diagnostic information from elevator control panel 30 and is sent to remote monitoring server 40, or use is from electricity
The information that terraced control panel 30 is collected into carries out the self diagnosis of elevator, and diagnostic result is sent to remote monitoring server 40.
In addition, the remotely monitoring that long-distance monitorng device 20 can execute elevator according to the long-range monitoring stored with program 21 is relevant
Various processing.It is constructed as follows for example, can also set: the letter that long-distance monitorng device 20 is collected by parsing from elevator control panel 30
It ceases to detect the omen of failure, sends remote monitoring server 40 for information corresponding with fault degree.
Elevator control panel 30 is the control device for controlling the various movements of elevator.The elevator control panel 30 is general in addition to carrying out
Elevator action control function other than, the movement of elevator will be indicated according to the requirement from long-distance monitorng device 20 by also having
The various information of state are transferred to the function of long-distance monitorng device 20.For example, elevator control panel 30 keeps indicating the movement of elevator
The various information of state, and the information kept is transferred to by long-distance monitorng device according to the requirement from long-distance monitorng device 20
20.In addition, elevator control panel 30 can also be such that elevator acts in the diagnostic mode according to the requirement from long-distance monitorng device 20, and
The various information of the action state of the elevator of expression at this time are transferred to long-distance monitorng device 20.
Remote monitoring server 40 carries out the long-range monitoring of elevator by the cooperation with long-distance monitorng device 20.For example,
Remote monitoring server 40 carries out the diagnosis of elevator according to the information received from long-distance monitorng device 20, if detecting event
Barrier issues abnormality alarm, or determines whether failure according to the diagnostic result received from long-distance monitorng device 20, if inspection
It measures failure and issues abnormality alarm.In addition, remote monitoring server 40 can by the cooperation with long-distance monitorng device 20 come
Various remote monitoring services are provided.Furthermore in order to which remote monitoring server 40 and the cooperation of long-distance monitorng device 20 carry out elevator
Long-range monitoring, it is necessary to establish between long-distance monitorng device 20 and remote monitoring server 40 via the logical of communication line 50
Letter.
The program device 10A that erases has after the maintenance contract of elevator terminates, and setting of erasing automatically is existing in elevator setting
The function for the long-range monitoring program 21 that the long-distance monitorng device 20 of field is stored.The device 10A as shown in Figure 1, the program is erased
With timer 11, control unit 12 and reset switch 13.
Timer 11 have keep setting time Ts register 14, according to program erase device 10A inside generate
Clock the counter 15 of timing is carried out to the time and is kept the time Tc of 15 timing of counter and register 14
The comparator 16 that setting time Ts is compared, and exported once the time Tc of 15 timing of counter reaches setting time Ts
Control signal.Herein, the setting time Ts that register 14 is kept is tieed up based on upkeep operation person in elevator setting scene
Interval (the period, interval) Ti of operation is protected to set.The interval Ti for carrying out upkeep operation is for example set based on maintenance contract,
The interval Ti for carrying out the upkeep operation is set to deposit as setting time Ts plus the time (Ti+ α) of defined allowance α
Device 14.For example, if the interval Ti for carrying out upkeep operation is 30 days (720 hours), by interval Ti for example plus 5 days (120
Hour) as 35 days obtained by allowance α (840 hours) register 14 was set to as setting time Ts.In the case,
Once the time Tc of 15 timing of counter reaches 840 hours, just output controls signal to timer 11.
In the case where outputing control signal from timer 11, control unit 12 erases what long-distance monitorng device 20 was stored
Long-range monitoring program 21.For example, control unit 12 by covered with random data long-distance monitorng device 20 stored it is remote
Range monitoring program 21, so as to the long-range monitoring program 21 of erasing.
Reset switch 13 is the switch that the upkeep operation person for carrying out upkeep operation at elevator setting scene can operate.Work as dimension
When shield operator operates the reset switch 13, the time Tc of 15 timing of counter of timer 11 is just reset (Tc=0).Cause
The setting time Ts kept by register 14 is to be set as described above based on the interval Ti for carrying out upkeep operation, institute
With upkeep operation person carry out upkeep operation at the time of, 15 timing of counter to time Tc do not reach setting time Ts.Dimension
Shield operator for example resets the time Tc that 15 timing of counter is arrived by operating reset switch 13 at the end of upkeep operation, by
This be erased long-range monitoring will not in a period of until next time carries out upkeep operation with program 21.During maintenance contract
It is interior, it carries out operating reset switch 13 when upkeep operation every time by upkeep operation person, long-range monitoring program 21 can be made to tie up
It will not be erased in shield contract period.
Reset switch 13 be for reset as described above 15 timing of counter of timer 11 to time Tc open
It closes, but if does not establish the communication via communication line 50 between long-distance monitorng device 20 and remote monitoring server 40
If, even if then operating reset switch 13,15 timing of counter to time Tc will not be reset.That is, with
Being established between long-distance monitorng device 20 and remote monitoring server 40 via the communication of communication line 50 is condition, is opened according to reset
Close 13 operation, 15 timing of counter to time Tc can be reset.
For example, the operation of 12 monitoring and reset switch 13 of control unit, long-range monitoring dress is confirmed when reset switch 13 is operated
Set 20 action state.Then, if in the communication established between long-distance monitorng device 20 and remote monitoring server 40
In the state of, then the operation of reset switch 13 is considered as effectively, to reset the time Tc that 15 timing of counter is arrived.Thereby, it is possible to
Prevent maintenance contract terminate after (that is the communication between long-distance monitorng device 20 and remote monitoring server 40 be cut off
Later), 15 timing of counter of timer 11 to time Tc reach setting time Ts before, due to third party operate reset
Switch 13 is erased long-range monitoring not with program 21 and is still stored in long-distance monitorng device 20.
The program constituted as described above the device 10A that erases for example responds the maintenance contract quilt remotely monitored comprising elevator
It signs this event and elevator setting scene is set together with long-distance monitorng device 20.The device 10A in addition, the program is erased
It can be arranged relative to the long-distance monitorng device 20 being arranged later.Setting program erase device 10A when, based on according to dimension
Contracted interval Ti is protected, setting time Ts is set to the register 14 of timer 11.
Secondly, referring to Fig. 2, illustrate program involved in present embodiment erase device 10A movement summary.Fig. 2 is
Representation program erase device 10A action example flow chart.
When start program erases the movement of device 10A, firstly, the timing of 15 time started of counter of timer 11
(step S101).Then, what the time Tc and register 14 for being compared 15 timing of counter using comparator 16 were kept sets
Fix time Ts, determine 15 timing of counter to time Tc whether reached setting time Ts (step S102).
Herein, if 15 timing of counter to time Tc do not reach setting time Ts (step S102: no), determine
Whether reset switch 13 (step S103) is operated.Then, it if not operating reset switch 13 (step S103: no), returns
Return step S102, be repeated 15 timing of counter to time Tc whether reach the judgement of setting time Ts.
On the other hand, in the case where operating reset switch 13 (step S103: yes), it is determined that long-range monitoring dress
Set whether the communication between 20 and remote monitoring server 40 establishes (step S104).Then, if 20 He of long-distance monitorng device
Connection setup (step S104: yes) between remote monitoring server 40, then 15 timing of counter to time Tc be reset (step
Rapid S105), the timing of return step S101 and again time started.On the other hand, if long-distance monitorng device 20 and long-range prison
(step S104: no) is not established in communication between control server 40, then is considered as in vain the operation of reset switch 13, returns to step
Rapid S102, be repeated 15 timing of counter to time Tc whether reach the judgement of setting time Ts.
Once the time Tc of 15 timing of counter reaches setting time Ts (step S102: yes), timer 11 is just exported
It controls signal (step S106).Then, control unit 12 according to the control signal that timer 11 exports long-distance monitorng device of erasing
The 20 long-range monitoring programs 21 (step S107) stored.
As mentioned above, the device 10A that erases of program involved in present embodiment is constituted as follows: once timing
15 timing of counter of device 11 to time Tc reach setting time Ts, control unit 12 is just erased long-range monitoring program 21.Cause
This, the long-range monitoring program 21 that the long-distance monitorng device 20 that can erase automatically after maintenance contract termination is stored, even if
In the case where long-distance monitorng device 20 can not be recycled after maintenance contract, it can also effectively prevent long-range 21 quilt of monitoring program
Parse and cause technical information leakage etc rough sledding.
The 2nd embodiment > of <
Next, the 2nd embodiment is illustrated.Present embodiment is arranged as follows: working service operator
Entrained maintenance terminal carries out the setting of setting time Ts and the resetting of counter 15.In addition, the 1st above-mentioned embodiment party
Formula is set as counter 15 and carries out timing to the time according in the erase inside clock that generates of device 10A of program, but in this reality
It applies in mode, is that timing is carried out to the time based on the temporal information obtained from elevator control panel 30.Hereinafter, to it is above-mentioned
The identical constitutive requirements of the 1st embodiment mark common symbol and suitably omit the description, only to the feature of present embodiment
Part is illustrated.
Fig. 3 is the structure for indicating the elevator remote monitoring system that there is program to erase device 10B involved in the 2nd embodiment
At the block diagram of example.The device 10B that erases of program involved in present embodiment is and program involved in the 1st above-mentioned embodiment
The device 10A that erases is compared, and has the interconnecting piece 17 connected for maintenance terminal 60 to replace the composition of reset switch 13.Long-range monitoring
The composition of device 20, elevator control panel 30 and remote monitoring server 40 is identical with the 1st above-mentioned embodiment.
Once maintenance terminal 60 entrained by upkeep operation person is connected to interconnecting piece 17, program erases device 10B just and dimension
Protect 60 co-operating of terminal.For example, if upkeep operation person's working service terminal 60 carries out the resetting of indication counter 15
Operation, then from maintenance terminal 60 via interconnecting piece 17 to program erase device 10B input reset signal.At this point, if long-range prison
The connection setup between device 20 and remote monitoring server 40 is controlled, then the reset signal inputted is considered as effectively, according to the reset
Signal, 15 timing of counter to time Tc be reset.In addition, for example same with the 1st embodiment, 20 He of long-distance monitorng device
Connection setup between remote monitoring server 40 or not it can pass through the movement shape that control unit 12 confirms long-distance monitorng device 20
State determines.
In addition, if upkeep operation person's working service terminal 60 come carry out setting setting time Ts operation, from maintenance
Terminal 60 via interconnecting piece 17 to program erase device 10B input setting signal.Then, according to the setting signal, to register
The setting time Ts that 14 setting upkeep operation persons specify.Upkeep operation person for example carries out maintenance work at elevator setting scene for the first time
When industry, maintenance terminal 60 is connected to program and is erased the interconnecting piece 17 of device 10B, so as to by operating maintenance terminal 60 come
Set setting time Ts.Setting time Ts set by upkeep operation person is for example to the interval for carrying out upkeep operation at the scene
Ti adds the time of defined allowance α.In addition, can also lead in the case where in the period of wanting to change progress upkeep operation next time
The operation of maintenance terminal 60 is crossed to change the setting time Ts that register 14 is kept.
Program involved in present embodiment erases device 10B for example via long-distance monitorng device 20 from elevator control panel 30
Obtain temporal information.Then, the counter 15 of timer 11 is based on the temporal information obtained from elevator control panel 30, to time Tc
Carry out timing.Temporal information is the information for system clock, full time of elevator control panel 30 etc. indicating the time.In addition,
Although present embodiment is set as obtaining temporal information from elevator control panel 30, but time letter can also be obtained from other external device (ED)s
Breath.
Then, referring to Fig. 4 illustrate program involved in present embodiment erase device 10B movement summary.Fig. 4 is table
Show program erase device 10B action example flow chart.
It in present embodiment, erases the interconnecting piece 17 of device 10B firstly, maintenance terminal 60 is connected to program, according to making
With the operation of the upkeep operation person of maintenance terminal 60, setting time Ts (step S201) is set to the register 14 of timer 11.
Once setting setting time Ts to register 14, the counter 15 of timer 11 begins to the timing (step S202) of time.So
Afterwards, the setting time Ts that the time Tc and register 14 that 15 timing of counter are compared using comparator 16 are kept determines
Whether the time Tc of 15 timing of counter has reached setting time Ts (step S203).
Herein, if 15 timing of counter to time Tc be not up to setting time Ts (step S203: no), judgement be
It is no to have input reset signal (step S204) via interconnecting piece 17 from maintenance terminal 60.Then, if not inputting reset signal
(step S204: no), then return step S203, be repeated 15 timing of counter to time Tc whether reach setting time Ts
Judgement.
On the other hand, in the case where having input reset signal (step S204: yes), it is determined that long-distance monitorng device
Whether the communication between 20 and remote monitoring server 40 establishes (step S205).Then, if long-distance monitorng device 20 and remote
Connection setup (step S205: yes) between range monitoring server 40, then reset 15 timing of counter according to reset signal and arrive
Time Tc (step S206), the timing of return step S202 and again time started.On the other hand, if long-distance monitorng device
(step S205: no) is not established in communication between 20 and remote monitoring server 40, then reset signal is considered as in vain, returns to step
Rapid S203, be repeated 15 timing of counter to time Tc whether reach the judgement of setting time Ts.
Once the time Tc of 15 timing of counter reaches setting time Ts (step S203: yes), timer 11 is just exported
It controls signal (step S207).Then, the control signal that response timer 11 exports, control unit 12 are erased long-distance monitorng device 20
The long-range monitoring program 21 (step S208) stored.
As mentioned above, the device 10B that erases of program involved in present embodiment is constituted as follows: and it is above-mentioned
The device 10A that erases of program involved in 1st embodiment is same, once the time Tc of 15 timing of the counter of timer 11 reaches
To setting time Ts, control unit 12 is just erased long-range monitoring program 21.Therefore, it can erase automatically after maintenance contract termination
The long-range monitoring program 21 that long-distance monitorng device 20 is stored, even if long-range monitoring dress can not be recycled after maintenance contract
In the case where setting 20, what can also be effectively prevent long-range monitoring program 21 resolved and lead to technical information leakage etc is unfavorable
Situation.
The device 10B in addition, program involved in present embodiment is erased is because be able to use the dimension of upkeep operation person's carrying
Terminal 60 is protected to reset the time Tc of 15 timing of counter, is constituted so reset switch 13 can be deleted to simplify.In addition,
The maintenance terminal 60 that device 10B is able to use upkeep operation person's carrying because program involved in present embodiment is erased is set
Fix time Ts setting, change, so various conditions can be coped with neatly.
The device 10B in addition, program involved in present embodiment is erased from external device (ED)s such as elevator control panels 30 because take
Temporal information carries out the timing of time for counter 15, erase the composition of device 10B so can more simplify program, from
And the device 10B miniaturization that program can be erased.
Furthermore in the 1st above-mentioned embodiment and the 2nd embodiment, although it is assumed that for by program erase device 10A,
10B is configured to the independent device different from long-distance monitorng device 20, but program is erased, device 10A, 10B also can be as long-range
One function of monitoring device 20 and realize.In addition, program is erased, device 10A, 10B also can be as one of elevator control panel 30
Function and realize.
According at least one above-described embodiment, even if long-range monitoring dress can not be recycled after maintenance contract
In the case where setting 20, what can also be effectively prevent long-range monitoring program 21 resolved and lead to technical information leakage etc is unfavorable
Situation.
More than, although the description of embodiments of the present invention, but above-mentioned embodiment is proposed as example, not
It is intended to limit the range of invention.Above embodiment can be implemented in a manner of various other, can be in the master for not departing from invention
In the range of purport, various omissions, displacement, change are carried out.These embodiments and modifications thereof are contained in range and the master of invention
Purport is equally also contained in invention and its equivalent range documented by claims.
Symbol description
10A, 10B program are erased device
11 timers
12 control units
13 reset switches
17 interconnecting pieces
20 long-distance monitorng devices
Program is used in 21 long-range monitoring
30 elevator control panels
40 remote monitoring servers
60 maintenance terminals.
Claims (7)
- The device 1. a kind of program is erased comprising:Timer, the setting time set to the interval based on the upkeep operation for carrying out elevator is kept, once and institute The time of timing reaches the setting time and just exports control signal；AndControl unit erases and the setting of the elevator is arranged in the case where the timer outputs the control signal The long-range monitoring program that the long-distance monitorng device at scene is stored.
- The device 2. program according to claim 1 is erased, which is characterized in thatAlso there is reset switch, can be operated by the upkeep operation person for carrying out the upkeep operation,The time of timer institute timing is reset according to the operation of the reset switch.
- The device 3. program according to claim 1 is erased, which is characterized in thatAlso there is interconnecting piece, connected for carrying out maintenance terminal entrained by the upkeep operation person of the upkeep operation,Once inputting reset signal from the maintenance terminal via the interconnecting piece, the time of timer institute timing is just weighed It sets.
- The device 4. program according to claim 2 or 3 is erased, which is characterized in thatThe time of timer institute timing is with the long-distance monitorng device and the remote monitoring server that monitoring center is arranged in Between connection setup be reset for condition.
- The device 5. program according to any one of claims 1 to 4 is erased, which is characterized in thatAlso there is interconnecting piece, the maintenance terminal that the upkeep operation person for carrying out the upkeep operation carries connects,The setting time of the timer is that basis adds from the maintenance terminal via the setting signal that the interconnecting piece inputs With setting.
- 6. erasing device to program described in any one of 5 according to claim 1, which is characterized in thatThe timer is based on the temporal information obtained from the elevator control panel at the setting scene that the elevator is arranged in come clock synchronization Between carry out timing.
- 7. a kind of program erasing method, is executed using timer and control unit, described program erasing method is characterized in that,The setting time that the timer sets the interval based on the upkeep operation for carrying out elevator is kept, once it is counted When time reach the setting time just export control signal；The control unit erases and the setting scene of the elevator is arranged in the case where the timer outputs control signal The long-range monitoring program that is stored of long-distance monitorng device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018007335A JP6483297B1 (en) | 2018-01-19 | 2018-01-19 | Program erasing apparatus and program erasing method |
| JP2018-007335 | 2018-01-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110054042A true CN110054042A (en) | 2019-07-26 |
| CN110054042B CN110054042B (en) | 2021-10-08 |
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ID=65718243
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810699291.6A Active CN110054042B (en) | 2018-01-19 | 2018-06-29 | Program erasing apparatus and program erasing method |
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| Country | Link |
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| JP (1) | JP6483297B1 (en) |
| CN (1) | CN110054042B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745660A (en) * | 2019-10-25 | 2020-02-04 | 上海三菱电梯有限公司 | Elevator monitoring system and elevator monitoring method |
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Also Published As
| Publication number | Publication date |
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| CN110054042B (en) | 2021-10-08 |
| JP6483297B1 (en) | 2019-03-13 |
| JP2019123621A (en) | 2019-07-25 |
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