CN106044432A - Dynamic elevator video storage method and system - Google Patents
Dynamic elevator video storage method and system Download PDFInfo
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- CN106044432A CN106044432A CN201610490090.6A CN201610490090A CN106044432A CN 106044432 A CN106044432 A CN 106044432A CN 201610490090 A CN201610490090 A CN 201610490090A CN 106044432 A CN106044432 A CN 106044432A
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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
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Abstract
The invention relates to a dynamic elevator video storage method and system. The dynamic elevator video storage method comprises the following steps: acquiring operation state information of an elevator, wherein the operation state information comprises one or more of the operation direction, the floor where the elevator is positioned, the elevator door state and the fault state; adjusting the storage frame rates of elevator video in real time according to the acquired operation state information; and dynamically storing the elevator video at the adjusted storage frame rates. By adoption of the above technical scheme, the dynamic elevator video storage method and system provided by the invention have the advantages that the storage frame rates of the elevator video in different operation states are dynamically adjusted, thereby not only reducing the storage space and cost required for elevator video storage, but also improving the elevator video quality to a certain extent.
Description
Technical field
The present invention relates to elevator safety technical field, particularly relate to a kind of elevator video dynamic storage method and be
System.
Background technology
Elevator is as the most universal communal facility, and the situation occurred in its car is sufficiently complex, adds elevator
The closure of car, inside occurrence is difficult to evidence obtaining.
Along with the frequent of elevator accident occurs in recent years, people more and more pay close attention to the safety problem of elevator, the production of elevator
Producer is also adopted by lift car installing photographic head and monitors the ruuning situation in elevator in real time.In order to preferably reduce in elevator
Real time status, producer installs video terminal in lift car and records a video the real time status in lift car, and requirement
Video in storage certain period of time.
Owing to video storage needs the biggest memory space, existing solution is: by increasing memory capacity or fall
Low video code flow；But, thus can increase cost or reduce video quality.
Summary of the invention
Based on this, it is necessary to take, for existing video storage method, the technical problem that memory space is bigger, it is provided that one
Plant elevator video dynamic storage method and system thereof.
A kind of elevator video dynamic storage method, comprises the steps:
Obtain the running state information of elevator；Wherein, described running state information includes traffic direction, building, elevator place
Any one in layer, elevator door state or malfunction or multinomial；
According to described running state information, adjust the storage frame per second of elevator video in real time；
With the storage frame per second after adjusting, described elevator video is carried out dynamic memory.
Above-mentioned elevator video dynamic storage method, by obtaining the running state information of elevator, and according to described operation shape
State information adjusts the storage frame per second of elevator video in real time, then carries out described elevator video dynamically with the storage frame per second after adjusting
Storage.By technique scheme, the elevator video dynamic storage method of the present invention, it is achieved that the elevator to different running statuses
The storage frame per second of video dynamically adjusts, and not only reduces the memory space required for storage elevator video and cost, and,
Improve the quality of elevator video the most to a certain extent.
A kind of elevator video dynamic storage system, including:
Acquisition module, for obtaining the running state information of elevator；Wherein, described running state information includes operation side
To, any one in elevator place floor, elevator door state or malfunction or multinomial；
Adjusting module, for according to described running state information, adjusting the storage frame per second of elevator video in real time；
Memory module, for carrying out dynamic memory with the storage frame per second after adjusting to described elevator video.
Above-mentioned elevator video dynamic storage system, is obtained the running state information of elevator, and utilizes tune by acquisition module
Mould preparation tuber adjusts the storage frame per second of elevator video in real time according to described running state information, after then utilizing memory module to adjust
Storage frame per second described elevator video is carried out dynamic memory.By technique scheme, the elevator video of the present invention is dynamically deposited
Storage system, it is achieved that dynamically adjust the storage frame per second of the elevator video of different running statuses, not only reduces storage electricity
Memory space required for ladder video and cost, and, improve the quality of elevator video the most to a certain extent.
Accompanying drawing explanation
Fig. 1 is the elevator video dynamic storage method flow chart of one embodiment of the present of invention；
Fig. 2 is the elevator video dynamic storage method flow chart of an alternative embodiment of the invention；
Fig. 3 is the structural representation of the elevator video dynamic storage system of one embodiment of the present of invention；
Fig. 4 is the structural representation of the elevator video dynamic storage system of an alternative embodiment of the invention.
Detailed description of the invention
In order to further illustrate the technological means and the effect of acquirement that the present invention taked, below in conjunction with the accompanying drawings and preferably
Embodiment, to technical scheme, carries out clear and complete description.
As it is shown in figure 1, the elevator video dynamic storage method flow chart that Fig. 1 is one embodiment of the present of invention, including such as
Lower step:
Step S101: obtain the running state information of elevator；Wherein, described running state information includes traffic direction, electricity
Any one in ladder place floor, elevator door state or malfunction or multinomial；
Wherein in an embodiment, the elevator video dynamic storage method of the present invention, the operation shape of described acquisition elevator
Step S101 of state information may include that
When in preset time period the traffic direction of elevator for stopping and elevator place floor and elevator door state all do not occur
Change, then judge that described elevator is out of service；
When in preset time period, the traffic direction of elevator is up or descending, and elevator place floor and elevator door state are equal
Change, then judge that described elevator is properly functioning；
Otherwise, it is determined that described Lift out of order.
In the above-described embodiments, the elevator video dynamic storage method of the present invention is according to the operation shape of the elevator got
State, judges that the operation of elevator is the most normal, as the reference frame adjusting elevator video storage frame per second of subsequent step.
Step S102: according to described running state information, adjust the storage frame per second of elevator video in real time；
Wherein in an embodiment, the elevator video dynamic storage method of the present invention, described according to described running status
Information, step S102 of the storage frame per second adjusting elevator video in real time may include that
When described elevator is out of service, do not break down and time elevator door is cut out, gradually reduce described elevator video
Storage frame per second；
When described elevator is properly functioning, the storage frame per second of described elevator video is adjusted to standard frame per second；
When described Lift out of order, the storage frame per second of described elevator video is adjusted to standard frame blunt to fault solution
Remove.
Wherein in an embodiment, the elevator video dynamic storage method of the present invention, described standard frame per second is actual is electricity
The output frame rate of the video encoder of ladder video terminal, this output frame rate is determined by encoder coding parameter, can regard in startup
Frequently it is set according to the actual requirements during encoder, when reality is applied, can be according to the application scenario of elevator and to elevator
The requirement standard of video carries out accommodation to standard frame per second.
In the above-described embodiments, the elevator video dynamic storage method of the present invention, according to the operation conditions of elevator to elevator
The storage frame per second of video is adjusted.For example, when elevator is properly functioning, in order to ensure the quality of elevator video, select
Storing with standard frame per second, such as 30 frames/second, standard frame per second described herein can be entered according to application scenario and application purpose
Row accommodation；When elevator is out of service, and it can be understood as unmanned in elevator in the case of not breaking down
Take, now, in order to save the memory space of elevator video, can select to gradually reduce the storage frame per second of elevator video, such as,
Storage frame per second before elevator is out of service is 30 frames/second, after 30 seconds, if this elevator is still in halted state, it is possible to will
Storage frame per second is reduced to 15 frames/second, then, reduce to 5 frames/second, reduce to 1 frame/second after 2 minutes, by gradually reducing elevator after 1 minute
The storage frame per second of video, not only reduces the memory space of elevator video, also reduces owing to reducing video storage frame per second to regarding
Frequency monitors the impact of integrity, i.e. ensure that the uninterrupted monitoring to elevator, and, nor affect on regarding in running process of elevator
Frequently quality；When Lift out of order, it is ensured that the storage frame per second of elevator video is that standard frame is blunt to trouble shooting, certainly, if
After trouble shooting, elevator is properly functioning, and the storage frame per second of this elevator video keeps standard frame per second, if elevator is unmanned after trouble shooting
Use, gradually reduce storage frame per second, it is ensured that the integrity of elevator video data.
Step S103: described elevator video is carried out dynamic memory with the storage frame per second after adjusting.
Above-mentioned elevator video dynamic storage method, by obtaining the running state information of elevator, and according to described operation shape
State information adjusts the storage frame per second of elevator video in real time, then carries out described elevator video dynamically with the storage frame per second after adjusting
Storage.By technique scheme, the elevator video dynamic storage method of the present invention, it is achieved that the elevator to different running statuses
The storage frame per second of video dynamically adjusts, and not only reduces the memory space required for storage elevator video and cost, and,
Improve the quality of elevator video the most to a certain extent.
As in figure 2 it is shown, the elevator video dynamic storage method flow chart that Fig. 2 is an alternative embodiment of the invention, also may be used
To include:
Step S104: the actual photographed date and time of described elevator video is added on described elevator video；Wherein,
The unit of described actual photographed time is the second.
During due to video playback, typically can play according to fixing frame per second, and the storage frame per second of elevator video is in fault-free
And it is inconsistent, therefore, in this reality dynamically to reduce storage frame per second, this time that may result in broadcasting and actual time time out of service
Execute in example, the actual photographed date and time of described elevator video is added on described elevator video, on the one hand achieve and regard
During frequency playback, player the most quickly plays elevator fault-free and the video of time period out of service, decreases playback duration, separately
On the one hand will not miss again that elevator is properly functioning and the video of section fault time, the limited storage of Appropriate application elevator video is empty
Between.
As it is shown on figure 3, the structural representation of the elevator video dynamic storage system that Fig. 3 is one embodiment of the present of invention,
Including:
Acquisition module 101, for obtaining the running state information of elevator；Wherein, described running state information includes running
Any one in direction, elevator place floor, elevator door state or malfunction or multinomial；
Wherein in an embodiment, the elevator video dynamic storage system of the present invention, described acquisition module 101 is all right
For:
When in preset time period the traffic direction of elevator for stopping and elevator place floor and elevator door state all do not occur
Change, then judge that described elevator is out of service；
When in preset time period, the traffic direction of elevator is up or descending, and elevator place floor and elevator door state are equal
Change, then judge that described elevator is properly functioning；
Otherwise, it is determined that whether described elevator breaks down.
In the above-described embodiments, the elevator video dynamic storage method of the present invention is according to the operation shape of the elevator got
State, judges that the operation of elevator is the most normal, as the reference frame adjusting elevator video storage frame per second of subsequent step.
Adjusting module 102, for according to described running state information, adjusting the storage frame per second of elevator video in real time；
Wherein in an embodiment, the elevator video dynamic storage system of the present invention, described adjusting module 102 is all right
For:
When described elevator is out of service, do not break down and time elevator door is cut out, gradually reduce described elevator video
Storage frame per second；
When described elevator is properly functioning, the storage frame per second of described elevator video is adjusted to standard frame per second；
When described Lift out of order, the storage frame per second of described elevator video is adjusted to standard frame blunt to fault solution
Remove.
Wherein in an embodiment, the elevator video dynamic storage system of the present invention, described standard frame per second is actual is electricity
The output frame rate of the video encoder of ladder video terminal, this output frame rate is determined by encoder coding parameter, can regard in startup
Frequently it is set according to the actual requirements during encoder.
In the above-described embodiments, the elevator video dynamic storage method of the present invention, according to the operation conditions of elevator to elevator
The storage frame per second of video is adjusted.For example, when elevator is properly functioning, in order to ensure the quality of elevator video, select
Storing with standard frame per second, such as 30 frames/second, standard frame per second described herein can be entered according to application scenario and application purpose
Row accommodation；When elevator is out of service, and it can be understood as unmanned in elevator in the case of not breaking down
Take, now, in order to save the memory space of elevator video, can select to gradually reduce the storage frame per second of elevator video, such as,
Storage frame per second before elevator is out of service is 30 frames/second, after 30 seconds, if this elevator is still in halted state, it is possible to will
Storage frame per second is reduced to 15 frames/second, then, reduce to 5 frames/second, reduce to 1 frame/second after 2 minutes, by gradually reducing elevator after 1 minute
The storage frame per second of video, not only reduces the memory space of elevator video, also reduces owing to reducing video storage frame per second to regarding
Frequency monitors the impact of integrity, i.e. ensure that the uninterrupted monitoring to elevator, and, nor affect on regarding in running process of elevator
Frequently quality；When Lift out of order, it is ensured that the storage frame per second of elevator video is that standard frame is blunt to trouble shooting, certainly, if
After trouble shooting, elevator is properly functioning, and the storage frame per second of this elevator video keeps standard frame per second, if elevator is unmanned after trouble shooting
Use, gradually reduce storage frame per second, it is ensured that the integrity of elevator video data.
Memory module 103, for carrying out dynamic memory with the storage frame per second after adjusting to described elevator video.
Above-mentioned elevator video dynamic storage system, is obtained the running state information of elevator, and utilizes by acquisition module 101
Adjusting module 102 adjusts the storage frame per second of elevator video in real time according to described running state information, then utilizes memory module 103
With the storage frame per second after adjusting, described elevator video is carried out dynamic memory.By technique scheme, the elevator of the present invention regards
Frequently dynamic storage system, it is achieved that the storage frame per second of the elevator video of different running statuses is dynamically adjusted, not only reduces
Memory space required for storage elevator video and cost, and, improve the quality of elevator video the most to a certain extent.
As shown in Figure 4, Fig. 4 is the structural representation of elevator video dynamic storage system of an alternative embodiment of the invention
Figure, it is also possible to including:
Laminating module 104, for the described elevator video that is added to by the actual photographed date and time of described elevator video
On；Wherein, the unit of described actual photographed time is the second.
During due to video playback, typically can play according to fixing frame per second, and the storage frame per second of elevator video is in fault-free
And it is inconsistent, therefore, in this reality dynamically to reduce storage frame per second, this time that may result in broadcasting and actual time time out of service
Execute in example, the actual photographed date and time of described elevator video is added on described elevator video, on the one hand achieve and regard
During frequency playback, player the most quickly plays elevator fault-free and the video of time period out of service, decreases playback duration, separately
On the one hand will not miss again that elevator is properly functioning and the video of section fault time, the limited storage of Appropriate application elevator video is empty
Between.
Wherein in an embodiment, the elevator video dynamic storage system of the present invention, described standard frame per second is actual is electricity
The output frame rate of the video encoder of ladder video terminal, this output frame rate is determined by encoder coding parameter, can regard in startup
Frequently it is set according to the actual requirements during encoder, when reality is applied, can be according to the application scenario of elevator and to elevator
The requirement standard of video carries out accommodation to standard frame per second.
Above-mentioned elevator video dynamic storage method and system thereof, by obtaining the running state information of elevator, and according to institute
State running state information and adjust the storage frame per second of elevator video in real time, then with the storage frame per second after adjusting to described elevator video
Carry out dynamic memory.By technique scheme, the elevator video dynamic storage method of the present invention and system thereof, it is achieved that to not
Dynamically adjust with the storage frame per second of the elevator video of running status, not only reduce the storage required for storage elevator video
Space and cost, and, improve the quality of elevator video the most to a certain extent.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that, come for those of ordinary skill in the art
Saying, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an elevator video dynamic storage method, it is characterised in that comprise the steps:
Obtain the running state information of elevator；Wherein, described running state information includes traffic direction, elevator place floor, electricity
Any one or multinomial in ladder door state or malfunction；
According to described running state information, adjust the storage frame per second of elevator video in real time；
With the storage frame per second after adjusting, described elevator video is carried out dynamic memory.
Elevator video dynamic storage method the most according to claim 1, it is characterised in that the operation shape of described acquisition elevator
The step of state information includes:
When in preset time period the traffic direction of elevator for stopping and elevator place floor and elevator door state all do not change,
Then judge that described elevator is out of service；
When in preset time period, the traffic direction of elevator is up or descending, and elevator place floor and elevator door state all occur
Change, then judge that described elevator is properly functioning；
Otherwise, it is determined that whether described elevator breaks down.
Elevator video dynamic storage method the most according to claim 2, it is characterised in that described according to described running status
Information, the step of the storage frame per second adjusting elevator video in real time includes:
When described elevator is out of service, do not break down and time elevator door is cut out, gradually reduce the storage of described elevator video
Frame per second；
When described elevator is properly functioning, the storage frame per second of described elevator video is adjusted to standard frame per second；
When described Lift out of order, the storage frame per second of described elevator video is adjusted to standard frame blunt to trouble shooting.
Elevator video dynamic storage method the most according to claim 1, it is characterised in that also include:
The actual photographed date and time of described elevator video is added on described elevator video；Wherein, described actual photographed
The unit of time is the second.
Elevator video dynamic storage method the most according to claim 3, it is characterised in that: described standard frame per second is that video is compiled
Code device output frame rate, this output frame rate is determined by encoder coding parameter, is set when starting video encoder.
6. an elevator video dynamic storage system, it is characterised in that including:
Acquisition module, for obtaining the running state information of elevator；Wherein, described running state information includes traffic direction, electricity
Any one or multinomial in ladder place floor, elevator door state or malfunction；
Adjusting module, for according to described running state information, adjusting the storage frame per second of elevator video in real time；
Memory module, for carrying out dynamic memory with the storage frame per second after adjusting to described elevator video.
Elevator video dynamic storage system the most according to claim 6, it is characterised in that described acquisition module is used for:
When in preset time period the traffic direction of elevator for stopping and elevator place floor and elevator door state all do not change,
Then judge that described elevator is out of service；
When in preset time period, the traffic direction of elevator is up or descending, and elevator place floor and elevator door state all occur
Change, then judge that described elevator is properly functioning；
Otherwise, it is determined that whether described elevator breaks down.
Elevator video dynamic storage system the most according to claim 7, it is characterised in that described adjusting module is used for:
When described elevator is out of service, do not break down and time elevator door is cut out, gradually reduce the storage of described elevator video
Frame per second；
When described elevator is properly functioning, the storage frame per second of described elevator video is adjusted to standard frame per second；
When described Lift out of order, the storage frame per second of described elevator video is adjusted to standard frame blunt to trouble shooting.
Elevator video dynamic storage system the most according to claim 6, it is characterised in that also include:
Laminating module, for the described elevator video that is added to by the actual photographed date and time of described elevator video；Wherein,
The unit of described actual photographed time is the second.
Elevator video dynamic storage system the most according to claim 8, it is characterised in that: described standard frame per second is video
Encoder output frames rate, this output frame rate is determined by encoder coding parameter, is set when starting video encoder.
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| CN201610490090.6A CN106044432B (en) | 2016-06-24 | 2016-06-24 | Elevator video dynamic storage method and its system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110027956A (en) * | 2019-04-29 | 2019-07-19 | 上海三菱电梯有限公司 | Passenger conveying equipment monitoring system |
| CN113581956A (en) * | 2021-07-19 | 2021-11-02 | 浙江新再灵科技股份有限公司 | Elevator noise level monitoring method and system based on audio signal |
| US11518655B2 (en) | 2018-07-26 | 2022-12-06 | Otis Elevator Company | Elevator component inspection systems |
| US11577932B2 (en) | 2018-07-26 | 2023-02-14 | Otis Elevator Company | Elevator component inspection systems |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1316525A1 (en) * | 2001-12-01 | 2003-06-04 | Aufzugswerke M. Schmitt & Sohn GmbH & Co. | Elevator monitoring system |
| CN101350915A (en) * | 2008-09-01 | 2009-01-21 | 北京中星微电子有限公司 | Method for self-adapting regulation of running parameter and monitoring frontend equipment |
| CN102164231A (en) * | 2011-01-24 | 2011-08-24 | 南京壹进制信息技术有限公司 | Monitoring device and method capable of dynamically adjusting resolution ratio based on sensitive information |
| CN102336355A (en) * | 2011-10-08 | 2012-02-01 | 无锡艾德里安科技有限公司 | Elevator monitoring system |
| CN103634552A (en) * | 2012-08-28 | 2014-03-12 | 华为技术有限公司 | Monitoring video storage method, system and central management server |
| CN103826109A (en) * | 2014-03-25 | 2014-05-28 | 龙迅半导体科技(合肥)有限公司 | Video monitoring image data processing method and system |
| CN104010151A (en) * | 2014-06-13 | 2014-08-27 | 深圳市景阳科技股份有限公司 | Method for compressing monitoring video file |
| CN104363403A (en) * | 2014-11-14 | 2015-02-18 | 浙江宇视科技有限公司 | Method and device for storing video data in video monitoring system |
-
2016
- 2016-06-24 CN CN201610490090.6A patent/CN106044432B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1316525A1 (en) * | 2001-12-01 | 2003-06-04 | Aufzugswerke M. Schmitt & Sohn GmbH & Co. | Elevator monitoring system |
| CN101350915A (en) * | 2008-09-01 | 2009-01-21 | 北京中星微电子有限公司 | Method for self-adapting regulation of running parameter and monitoring frontend equipment |
| CN102164231A (en) * | 2011-01-24 | 2011-08-24 | 南京壹进制信息技术有限公司 | Monitoring device and method capable of dynamically adjusting resolution ratio based on sensitive information |
| CN102336355A (en) * | 2011-10-08 | 2012-02-01 | 无锡艾德里安科技有限公司 | Elevator monitoring system |
| CN103634552A (en) * | 2012-08-28 | 2014-03-12 | 华为技术有限公司 | Monitoring video storage method, system and central management server |
| CN103826109A (en) * | 2014-03-25 | 2014-05-28 | 龙迅半导体科技(合肥)有限公司 | Video monitoring image data processing method and system |
| CN104010151A (en) * | 2014-06-13 | 2014-08-27 | 深圳市景阳科技股份有限公司 | Method for compressing monitoring video file |
| CN104363403A (en) * | 2014-11-14 | 2015-02-18 | 浙江宇视科技有限公司 | Method and device for storing video data in video monitoring system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11518655B2 (en) | 2018-07-26 | 2022-12-06 | Otis Elevator Company | Elevator component inspection systems |
| US11577932B2 (en) | 2018-07-26 | 2023-02-14 | Otis Elevator Company | Elevator component inspection systems |
| US11932514B2 (en) | 2018-07-26 | 2024-03-19 | Otis Elevator Company | Elevator component inspection systems |
| CN110027956A (en) * | 2019-04-29 | 2019-07-19 | 上海三菱电梯有限公司 | Passenger conveying equipment monitoring system |
| CN113581956A (en) * | 2021-07-19 | 2021-11-02 | 浙江新再灵科技股份有限公司 | Elevator noise level monitoring method and system based on audio signal |
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| CN106044432B (en) | 2019-05-21 |
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Address after: Nanxiang three road, Science City high tech Industrial Development Zone, Guangzhou city of Guangdong Province, No. 2 510660 Applicant after: Hitachi building technologies (Guangzhou) Co. Ltd. Address before: Nanxiang Road three Guangzhou Science City 510660 high tech Industrial Development Zone, Guangdong city of Guangzhou province No. 2 Applicant before: Guangzhou Ropente Science and Technology Development Co., Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |