CN110500994A - A kind of comprehensive positioning searching method and apparatus - Google Patents
A kind of comprehensive positioning searching method and apparatus Download PDFInfo
- Publication number
- CN110500994A CN110500994A CN201910795922.9A CN201910795922A CN110500994A CN 110500994 A CN110500994 A CN 110500994A CN 201910795922 A CN201910795922 A CN 201910795922A CN 110500994 A CN110500994 A CN 110500994A
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- China
- Prior art keywords
- transmitting terminal
- receiving end
- module
- barometer
- terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
- G01C5/06—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels by using barometric means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/08—Systems for determining direction or position line
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/33—Services specially adapted for particular environments, situations or purposes for indoor environments, e.g. buildings
Abstract
The present invention relates to comprehensive searching and locating method and device, including transmitting terminal and receiving end, the transmitting terminal includes the first barometer and radio transmitting module, and the receiving end includes the second barometer and radio reception module, including calibration steps；Sending step；Receiving step: the receiving end receives the radio wave and the first barometrical altitude information, and in conjunction with the described second barometrical altitude information computed altitude difference H；First search step: the receiving end receives the radio wave and the first barometrical altitude information, computed altitude difference H, determine the receiving end and the transmitting terminal in height at a distance from；Second search step: calculating the signal strength D of the transmitting terminal and the receiving end according to the radio wave, searches the transmitting terminal in the horizontal direction according to the signal strength D.Positioning two ways is carried out present invention incorporates the gentle pressure of radio wave positioning to supply mutually, meets the practical travel path of rescue.
Description
Technical field
The invention belongs to technical field of fire control, and in particular to a kind of comprehensive positioning searching method and apparatus.
Background technique
China's fire inducement is more, and fire incident happens occasionally.Fire incident scene also becomes diversification and complicates.Fire
The generation of calamity not only causes great casualties and economic loss, while also causing to seriously affect to social stability.Especially
Since the building in China is more intensive, it is intended to high stratification, densification, obstacle is provided with to the rescue of scene of fire.
Especially in the implementation process of fire rescue, fireman in dense smoke can not by audiovisual accurate discrimination direction,
Or determine the position of partner to be rescued, therefore, current, fireman is generally equipped with a kind of calling set, mutually rescues the facilities such as device,
To sound and light signals such as audio-visual supports, fireman is helped to be mutually positioned.
In existing fire-fighting equipment, it is generally based on the wireless direction-finding technology of signal strength or weakness progress, You Liangming fireman point
Transmitting terminal and receiving end are held, and by a series of distance of the test signal transmitting terminals such as estimations and amendment to receiving end, to refer to
Show the distance between two firemans.However, radio wave is being worn since the case where current middle scene of fire may be extremely complex
Signal can substantially be weakened when the barriers such as wall, be unfavorable for the propagation of radio wave, when being likely to occur signal in positioning and applying
Weak phenomenon when strong, and positioning accuracy is caused to be easy to receive interference, this interference can not be eliminated by modes such as preset algorithms.
Especially when two firemans are respectively in different height (such as respectively in different floors), the distance of direction-finding station instruction with
Actual range difference is more, be also unfavorable for being explicitly indicated fireman carry out judgement take recently, most efficiently route.
Summary of the invention
It is an object of the present invention to provide a kind of comprehensive positioning searching method and apparatus, to adapt to complicated ring in fire-fighting and rescue
Border.
In order to reach above-mentioned technical purpose, technical scheme is as follows；
A kind of comprehensive searching and locating method, including transmitting terminal and receiving end, the transmitting terminal include the first barometer and nothing
Line electricity transmitting module, the receiving end include the second barometer and radio reception module, are included the following steps:
Calibration steps: to the first barometer and the second air pressure meter calibrating；
Sending step: the altitude information that radio wave and first barometer provide is sent to institute by the transmitting terminal
State receiving end；
Receiving step: the receiving end receives the radio wave and the first barometrical altitude information, and combines
The second barometrical altitude information computed altitude difference H；
First search step: the receiving end receives the radio wave and the first barometrical altitude information, and
In conjunction with the described second barometrical altitude information computed altitude difference H, determine the receiving end and the transmitting terminal in height
Distance；
Second search step: the receiving end judges the signal source direction of the transmitting terminal, according to the radio wave
The signal strength D for calculating the transmitting terminal and the receiving end searches the transmitting according to the signal strength D in the horizontal direction
End.
It needs to illustrate, the air pressure numerical value computed altitude provided in the present invention according to barometer, due to itself and this
The goal of the invention of invention is unrelated, and this will not be repeated here.Comprehensive positioning searching method provided by the invention, which combines, utilizes radio
Wave positions and carries out positioning two ways using air pressure, and two ways is supplied mutually, effectively reduces radio wave positioning side
Because calculating error caused by the blocking etc. of barrier during formula instruction distance；It is directly indicated to and is rescued by way of barometric
Height locating for transmitting terminal described in personnel is helped, first plans transmitting terminal and receiving end instruction to sustained height, however again to transmitting terminal
Position carry out apart from upper positioning, be more in line with the practical travel path of rescue；Can be by two kinds of positioning search and rescue modes
Rescue worker provides two sets of reference standards, so that rescue personnel selects to judge with experience according to the actual situation, reduces because of air pressure
The measuring and calculating fault of error or radio wave influences positioning and searches and rescues.Therefore comprehensive positioning searching method provided by the invention is more
It is practical.
Preferably, in second search step, the transmitting terminal is searched in conjunction with the sound and light signal of the transmitting terminal, to
Auxiliary radio wave direction finding.
Preferably, the transmitting terminal of the synthesized positioning method and receiving end respectively include radio wave sending module and wirelessly
Electric wave reception module, so that the transmitting terminal and the receiving end be allow to be mutually located.
Preferably, the calibration steps includes: that first barometer and second barometer are moved to same height
Degree, and the height H that first barometer and second barometer indicate is set as initial value H0.For example, by initial value H0
It is set as 0.
Preferably, the receiving step further include: the height difference H is exported to display device and is shown；According to institute
The signal strength D1 that radio wave calculates the transmitting terminal and the receiving end is stated, and exports to display device and is shown.It is logical
Cross at the same show electric wave signal strength or weakness and air pressure computed altitude to provide multiple reference for rescue personnel.
Preferably, first search step further include: when determining the receiving end and the hair according to the height difference H
End is penetrated when on sustained height, executes the second search step.For example, when the numberical range of the height difference H is 0-0.5m, really
Receiving end and transmitting terminal are determined in same level or same floor, thus easily facilitate search and rescue.
Preferably, the numerical value that the signal strength D is 0-100 by linear transformation, and shown by display device.
Preferably, second search step further include: the receiving end is planar rotated, it is strong to find the signal
The maximum value of D is spent to determine searching bearing.
Preferably, the receiving step further include: the data that the transmitting terminal is sent further include empty expiration bottle remaining time
One of data, heart rate data, ambient temperature data, identity information are a variety of, and the receiving end receives the transmitting terminal hair
The data sent, and export to the display device and shown.
A kind of device for realizing above-mentioned comprehensive searching and locating method, including at least two terminals, the terminal difference
Including MCU module, barometer, display screen and LORA wireless antenna module, in which:
The input terminal of the barometrical output end and the MCU module, the output end of the MCU module with it is described
The input terminal of display screen connects；
The input/output terminal of the MCU module is connect with the input/output terminal of the LORA wireless antenna module；
The LORA wireless antenna module of the terminal distinguishes communication connection.
It needs to illustrate, LORA wireless antenna module of the present invention has the transmitting and reception of radio wave
Function.Comprehensive positioning searching device provided by the invention, which is combined, to be positioned using radio wave and carries out two kinds of positioning using air pressure
Mode, and two ways is supplied mutually, radio wave positioning method instruction distance is effectively reduced in the process because of the screening of barrier
Error is calculated caused by gear etc.；Height locating for transmitting terminal described in rescue personnel is directly indicated to by way of barometric,
First plan transmitting terminal and receiving end instruction to sustained height, however the position of transmitting terminal is carried out apart from upper positioning, more again
Meet the practical travel path of rescue；Two sets of reference standards can be provided for rescue worker by two kinds of positioning search and rescue modes, with
It selects to judge with experience according to the actual situation conducive to rescue personnel, reduces the measuring and calculating fault shadow because of barometric error or radio wave
It rings positioning and searches and rescues.Therefore comprehensive positioning searching method provided by the invention is more practical.
Preferably, the comprehensive positioning searching device further includes empty expiration bottle remaining time measurement module, heart rate measurement mould
Block, ambient temperature measurement module, identity information memory module, the sky expiration bottle remaining time measurement module, heart rate measurement mould
Block, ambient temperature measurement module, identity information memory module output end connect respectively with the input terminal of the MCU module.
It is further preferred that further including buzzer and alarm lamp, the buzzer and alarm lamp connect respectively with the MCU module
It connects.Under the triggering of the MCU module, the buzzer rings simultaneously light by the alarm lamp, to provide for rescue personnel
Sound and light signal.
Preferably, the display screen is LCD display.
Detailed description of the invention
Fig. 1 is the workflow schematic diagram of comprehensive searching and locating method described in embodiment 1；
Fig. 2 is the comprehensive attachment structure schematic diagram for searching positioning device as described in example 2.
Specific embodiment
With reference to the accompanying drawing and the specific embodiment technical solution that the present invention will be described in detail.
Embodiment 1
A kind of comprehensive searching and locating method, including transmitting terminal and receiving end, the transmitting terminal include the first barometer and nothing
Line electricity transmitting module, the receiving end include the second barometer and radio reception module, are included the following steps:
100, calibration steps: to the first barometer and the second air pressure meter calibrating；
200, sending step: the altitude information that the transmitting terminal provides radio wave and first barometer is sent
To the receiving end；
300, the first search step: the receiving end receives the radio wave and the first barometrical high degree
According to, and in conjunction with the described second barometrical altitude information computed altitude difference H, determine the receiving end and the transmitting terminal in height
On distance；
400, the second search step: the receiving end judges the signal source direction of the transmitting terminal, according to described wireless
Electric wave calculates the signal strength D of the transmitting terminal and the receiving end, searched in the horizontal direction according to the signal strength D described in
Transmitting terminal.
It needs to illustrate, the air pressure numerical value computed altitude provided in the present invention according to barometer, due to itself and this
The goal of the invention of invention is unrelated, and this will not be repeated here.Comprehensive positioning searching method provided by the invention, which combines, utilizes radio
Wave positions and carries out positioning two ways using air pressure, and two ways is supplied mutually, effectively reduces radio wave positioning side
Because calculating error caused by the blocking etc. of barrier during formula instruction distance；It is directly indicated to and is rescued by way of barometric
Height locating for transmitting terminal described in personnel is helped, first plans transmitting terminal and receiving end instruction to sustained height, however again to transmitting terminal
Position carry out apart from upper positioning, be more in line with the practical travel path of rescue；Can be by two kinds of positioning search and rescue modes
Rescue worker provides two sets of reference standards, so that rescue personnel selects to judge with experience according to the actual situation, reduces because of air pressure
The measuring and calculating fault of error or radio wave influences positioning and searches and rescues.Therefore comprehensive positioning searching method provided by the invention is more
It is practical.
The transmitting terminal of the synthesized positioning method respectively includes radio wave sending module with receiving end and radio wave connects
Module is received, so that the transmitting terminal and the receiving end be allow to be mutually located.
In second search step 400, the transmitting terminal is searched in conjunction with the sound and light signal of the transmitting terminal.
The calibration steps 100 include: first barometer and second barometer are moved to sustained height, and
The height H that first barometer and second barometer indicate is set as initial value H0.For example, by initial value H0Setting
It is 0.
First search step 300 further include: the height difference H is exported to display device and is shown；According to institute
The signal strength D1 that radio wave calculates the transmitting terminal and the receiving end is stated, and exports to display device and is shown.It is logical
Cross at the same show electric wave signal strength or weakness and air pressure computed altitude to provide multiple reference for rescue personnel.
First search step 300 further include: when determining the receiving end and the transmitting terminal according to the height difference H
When on sustained height, the second search step is executed.For example, determination connects when the numberical range of the height difference H is 0-0.5m
Receiving end and transmitting terminal easily facilitate search and rescue in same level or same floor.
The numerical value that the signal strength D is 0-100 by linear transformation, and shown by display device.
Second search step 400 further include: the receiving end is planar rotated, the signal strength D is found
Maximum value to determine searching bearing.
First search step 300 further include: the data that the transmitting terminal is sent further include empty expiration bottle remaining time
One of data, heart rate data, ambient temperature data, identity information are a variety of, and the receiving end receives the transmitting terminal hair
The data sent, and export to the display device and shown.
Embodiment 2
A kind of device of the synthesis searching and locating method for realizing embodiment 1, including at least two terminals, referring to Fig. 2
It is shown, first terminal 1 and second terminal 2 are respectively included, by taking the first terminal 1 as an example, the first terminal 1 includes MCU mould
Block 10, barometer 11, display screen 12 and LORA wireless antenna module 13, in which:
The input terminal of the output end of the barometer 11 and the MCU module 10, the output end of the MCU module 10 and institute
State the input terminal connection of display screen 12；
The input/output terminal of the MCU module 10 is connect with the input/output terminal of the LORA wireless antenna module 13；
The LORA wireless antenna module 13 of the first terminal 1 and the wireless day the LORA of the second terminal 2
23 communication connection of wire module.
It needs to illustrate, LORA wireless antenna module of the present invention has the transmitting and reception of radio wave
Function.Comprehensive positioning searching device provided by the invention, which is combined, to be positioned using radio wave and carries out two kinds of positioning using air pressure
Mode, and two ways is supplied mutually, radio wave positioning method instruction distance is effectively reduced in the process because of the screening of barrier
Error is calculated caused by gear etc.；Height locating for transmitting terminal described in rescue personnel is directly indicated to by way of 11 amount of barometer
Degree is first planned transmitting terminal and receiving end instruction to sustained height, however is carried out apart from upper positioning, more to the position of transmitting terminal again
Add the practical travel path for meeting rescue；Two sets of reference standards can be provided for rescue worker by two kinds of positioning search and rescue modes,
So that rescue personnel selects to judge with experience according to the actual situation, reduce because the measuring and calculating of barometric error or radio wave is made mistakes
It influences positioning and searches and rescues.Therefore comprehensive positioning searching method provided by the invention is more practical.
The comprehensive positioning searching device further include empty expiration bottle remaining time measurement module 16, heart rate measurement module 17,
Ambient temperature measurement module 18, identity information memory module 19, the sky expiration bottle remaining time measurement module 16, heart rate measurement
The output end input with the MCU module 10 respectively of module 17, ambient temperature measurement module 18, identity information memory module 19
End connection.
It more further include buzzer 14 and alarm lamp 15, the buzzer 14 and alarm lamp 15 divide with the MCU module 10
It does not connect.Under the triggering of the MCU module 10,14 ring of buzzer simultaneously light by the alarm lamp 15, to rescue
It helps personnel and sound and light signal is provided.
The display screen 12 is LCD display 12.
When the first terminal 1 is transmitting terminal, the second terminal 2 is receiving end, the LORA wireless antenna module
13 are sent to the altitude information that barometer 11 provides the LORA wireless antenna module 23 of the second terminal 2, and pass through
The display of display screen 22 is sent to after crossing processing of the MCU module 20 by the receiving step etc..
Embodiment 3
A kind of storage medium comprising computer executable instructions, the computer executable instructions are by computer disposal
Method when device executes for executing embodiment 1, this method comprises:
The altitude information is obtained in real time according to first barometer and the second barometer；
The signal strength D is obtained in real time.
Certainly, a kind of storage medium comprising computer executable instructions, computer provided by the embodiment of the present invention
The method operation that executable instruction is not limited to the described above, can also be performed in method provided by any embodiment of the invention
Relevant operation.
By the description above with respect to embodiment, it is apparent to those skilled in the art that, the present invention
It can be realized by software and required common hardware, naturally it is also possible to which by hardware realization, but in many cases, the former is more
Good embodiment.Based on this understanding, technical solution of the present invention substantially in other words contributes to the prior art
Part can be embodied in the form of software products, which can store in computer readable storage medium
In, floppy disk, read-only memory (Read-Only Memory, ROM), random access memory (Random such as computer
Access Memory, RAM), flash memory (FLASH), hard disk or CD etc., including some instructions use so that an electronic equipment
(can be mobile phone, personal computer, server or the network equipment etc.) executes method described in each embodiment of the present invention.
It is worth noting that, included each unit and module are only drawn according to function logic in the present invention
Point, but be not limited to the above division, as long as corresponding functions can be realized；In addition, each functional unit is specific
Title is also only for convenience of distinguishing each other, the protection scope being not intended to restrict the invention.It needs to further explain
Be, each component in the present invention, step title just for the sake of clearly describing technical solution of the present invention, should not manage
Solution is limitation of the present invention.In addition, the terms such as " first " " second " used in the present invention are just for the sake of each portion of differentiation
Part, and be not construed as expressing or implying the number of component.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to of the invention
Some modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although being used in this specification
Some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (10)
1. a kind of comprehensive searching and locating method, including transmitting terminal and receiving end, which is characterized in that the transmitting terminal includes the first gas
Pressure meter and radio transmitting module, the receiving end include the second barometer and radio reception module, are included the following steps:
Calibration steps: to the first barometer and the second air pressure meter calibrating；
Sending step: the altitude information that radio wave and first barometer provide is sent to described connect by the transmitting terminal
Receiving end；
First search step: the receiving end receives the radio wave and the first barometrical altitude information, and combines
The second barometrical altitude information computed altitude difference H, determine the receiving end and the transmitting terminal in height at a distance from；
Second search step: the receiving end judges the signal source direction of the transmitting terminal, is calculated according to the radio wave
The signal strength D of the transmitting terminal and the receiving end searches the transmitting terminal according to the signal strength D in the horizontal direction.
2. comprehensive searching and locating method according to claim 1, which is characterized in that in second search step, in conjunction with
The sound and light signal of the transmitting terminal searches the transmitting terminal.
3. comprehensive searching and locating method according to claim 1, which is characterized in that the calibration steps includes: will be described
First barometer and second barometer are moved to sustained height, and first barometer and second barometer are referred to
The height H shown is set as initial value H0。
4. comprehensive searching and locating method according to claim 1, which is characterized in that first search step further include:
When determining that the receiving end and the transmitting terminal are on sustained height according to the height difference H, the second search step is executed.
5. comprehensive searching and locating method according to claim 1, which is characterized in that the signal strength D is by linear transformation
For the numerical value of 0-100, and shown by display device.
6. comprehensive searching and locating method according to claim 1, which is characterized in that second search step further include:
The receiving end is planar rotated, finds the maximum value of the signal strength D to determine searching bearing.
7. comprehensive searching and locating method according to claim 1, which is characterized in that first search step further include:
The data that the transmitting terminal is sent further include empty expiration bottle remaining time data, heart rate data, ambient temperature data, identity information
One of or it is a variety of, the receiving end receives the data that the transmitting terminal is sent, and exports to the display device and shown
Show.
8. a kind of device for realizing the described in any item comprehensive searching and locating methods of claim 1-7, which is characterized in that packet
At least two terminals are included, the terminal respectively includes MCU module, barometer, display screen and LORA wireless antenna module, in which:
The input terminal of the barometrical output end and the MCU module, the output end of the MCU module and the display
The input terminal of screen connects；
The input/output terminal of the MCU module is connect with the input/output terminal of the LORA wireless antenna module；
The LORA wireless antenna module of the terminal distinguishes communication connection.
9. device according to claim 8, which is characterized in that the comprehensive positioning searching device further includes that empty expiration bottle is surplus
Remaining time measurement module, heart rate measurement module, ambient temperature measurement module, identity information memory module, the sky expiration bottle are surplus
Remaining time measurement module, heart rate measurement module, ambient temperature measurement module, identity information memory module output end respectively with institute
State the input terminal connection of MCU module.
10. device according to claim 8, which is characterized in that it further include buzzer and alarm lamp, the buzzer and report
Warning lamp is separately connected with the MCU module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910795922.9A CN110500994A (en) | 2019-08-27 | 2019-08-27 | A kind of comprehensive positioning searching method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910795922.9A CN110500994A (en) | 2019-08-27 | 2019-08-27 | A kind of comprehensive positioning searching method and apparatus |
Publications (1)
| Publication Number | Publication Date |
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| CN110500994A true CN110500994A (en) | 2019-11-26 |
Family
ID=68589937
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910795922.9A Pending CN110500994A (en) | 2019-08-27 | 2019-08-27 | A kind of comprehensive positioning searching method and apparatus |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202041637U (en) * | 2011-03-16 | 2011-11-16 | 桂林电子科技大学 | Wireless direction finding positioning device for searching and rescuing |
| CN102819007B (en) * | 2012-07-31 | 2014-04-02 | 哈尔滨工业大学 | Parallel ridge spectral peak searching method on basis of MUSIC |
| CN107170189A (en) * | 2016-03-07 | 2017-09-15 | 天津市天安博瑞科技有限公司 | Fireman's searching method in danger and equipment based on relative positioning |
-
2019
- 2019-08-27 CN CN201910795922.9A patent/CN110500994A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202041637U (en) * | 2011-03-16 | 2011-11-16 | 桂林电子科技大学 | Wireless direction finding positioning device for searching and rescuing |
| CN102819007B (en) * | 2012-07-31 | 2014-04-02 | 哈尔滨工业大学 | Parallel ridge spectral peak searching method on basis of MUSIC |
| CN107170189A (en) * | 2016-03-07 | 2017-09-15 | 天津市天安博瑞科技有限公司 | Fireman's searching method in danger and equipment based on relative positioning |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 518100 15D, Block A, Central Avenue, Baoyuan Road, Baoan District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Rongsheng Intelligent Equipment Co., Ltd. Applicant after: Huanyi (Guangdong) emergency safety Technology Group Co., Ltd Address before: 518100 15D, Block A, Central Avenue, Baoyuan Road, Baoan District, Shenzhen City, Guangdong Province Applicant before: Shenzhen Rongsheng Intelligent Equipment Co., Ltd. Applicant before: GUANGDONG GLOBEEZ FIREFIGHTING TECHNOLOGY CO., LTD. |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20191126 |