CN106851127A - Circuit court shoots with video-corder terminal with multi-angle - Google Patents
Circuit court shoots with video-corder terminal with multi-angle Download PDFInfo
- Publication number
- CN106851127A CN106851127A CN201611212281.2A CN201611212281A CN106851127A CN 106851127 A CN106851127 A CN 106851127A CN 201611212281 A CN201611212281 A CN 201611212281A CN 106851127 A CN106851127 A CN 106851127A
- Authority
- CN
- China
- Prior art keywords
- video
- court
- casing
- corder
- camera
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
The present patent application discloses a kind of circuit court multi-angle and shoots with video-corder terminal, including casing, center processing unit, camera, sound pick-up and is capable of the communication interface of two-way communication；The quantity of the camera is at least 4, is distributed on casing around casing；The quantity of the sound pick-up is at least 4, and corresponds in camera setting；Center processing unit is connected with sound pick-up, camera and communication interface respectively；Center processing unit, sound pick-up, communication interface are integrated in casing.With realizing multi-direction shooting with video-corder with single equipment, and the audio/video information that can be shot with video-corder by communications interface transmission, and then remotely stored, facilitate building for circuit court, alleviate burden of the staff in transportation, facilitate staff to having inconvenient traffic, the remote districts of scarcity, put on record on the spot, opened a court session on the spot, being reconciled in court, being wound up the case in court, performed commander, long-range reconcile, long-range the work such as bring a prisoner before the court.
Description
Technical field
The present invention relates to synchronization video recording, field, especially a kind of circuit court shoot with video-corder terminal with multi-angle.
Background technology
The 135th article of regulation of civil procedure：" people's court tries civil case, and touring examining is carried out as needed
Reason, circuit and on-spot trial." assize herein refers to particularly people's court of basic unit of people's court, for convenience of people's lawsuit,
According to local actual conditions, go deep into rural area and have inconvenient traffic, the remote districts such as scarcity, put on record on the spot, open a court session on the spot, in court
A kind of adjudication method reconcile, wound up the case in court.
In practice, various regions are carried out flowing and are handled a case, and create many assize modes.Therefore by shape the characteristics of assize
As ground is referred to as " grassland court ", " horseback court ", " marine court ", " field court " " mobile court ".
Circuit court still needs the solemnity for keeping people's court, during need to set plaintiff, defendant's seat, bench and
Visitors seats, four seats are typically not at a direction.During digitized assize, each side passes through the real-time sound of network
Real-time transmission and synchronization of the video transmission to complete court's trial whole process are recorded a video, and such function needs are portable to shoot with video-corder terminal
Come what is completed；However, existing terminal of shooting with video-corder only sets a camera, the same time can only realize shooting with video-corder for direction.Such as
Fruit will realize that shooting with video-corder direction to multiple as in real court synchronously shoots with video-corder, it is necessary to which installation settings multiple shoots with video-corder terminal,
Increased the quantity of equipment so that building for circuit court becomes numerous and complicated with practical operation；Meanwhile, trial scene must have
The condition of terminal can be shot with video-corder with installation settings multiple, also more limitations has been manufactured to building for circuit court.
The content of the invention
Terminal is shot with video-corder with multi-angle the invention is intended to provide a kind of circuit court, circuit court is realized to solve prior art
Multi-direction number of devices requirement when shooting with video-corder is more, builds complicated with practical operation, and then limits the technology that circuit court opens up and asks
Topic.
Circuit court in this programme shoots with video-corder terminal, including casing, center processing unit, camera, pickup with multi-angle
Device and the communication interface for being capable of two-way communication；
The quantity of the camera is at least 4, and each camera is distributed on casing around casing；
The quantity of the sound pick-up is at least 4, and corresponds in camera setting；
The center processing unit is connected with sound pick-up, camera and communication interface respectively；
The center processing unit, sound pick-up, communication interface are integrated in casing；
The circular acoustically transparent portion for being provided with mesh on the casing, the sound pick-up is arranged on the lower section in acoustically transparent portion；
The acoustically transparent radical is additionally provided with loudspeaker, and the loudspeaker is connected with the center processing unit, for playing described picking up
The sound that sound device is included, the broadcasting direction of the loudspeaker is just to the sound pick-up；
The centralized control unit is additionally operable to be turned on and off the loudspeaker according to the instruction received from communication interface.
The operation principle of this programme is：Multiple cameras are realized shooting with video-corder simultaneously towards not around being distributed on a casing
Same seat；, to center processing unit, center processing unit can basis for the signal simultaneous transmission that camera and sound pick-up are collected and recorded
Loading software program is needed to coordinate communication interface that multiple signals are synthesized, transmitted etc. with treatment；In addition to collecting and recording live sound,
The high sensitivity and identification of sound pick-up can also centered on processing unit provide sound source directional information.
Because circuit court is set not in real law court, lack the in a solemn atmosphere environment of law court, and each side on the scene by
Do not scruple easily and then the debate in court is developed into disagreement in the ambient Property that is familiar with is in, and then break around-France front yard order
Sequence.There is disagreement in scene when causing court order to destroy, and the live sound that sound pick-up be received can be played by loudspeaker, due to raising
Sound device just to sound pick-up, by sound pick-up included, played by loudspeaker in turn once more, forms sound by the sound that loudspeaker is played
Circulation utter long and high-pitched sounds；Because the sound uttered long and high-pitched sounds is very ear-piercing, recovery court is played in the disagreement of stopping of each side's meeting instinct disagreed
The effect of order.
This programme has the beneficial effect that：1st, multiple cameras are circumferentially integrated in a casing so that trial scene is not
Multiple must be set and shoot with video-corder terminal, realize shooting with video-corder different seats simultaneously, reduce the limitation built to circuit court, convenient work people
Member puts on record, opens a court session on the spot on the spot；
2nd, all devices are integrated in casing, form integrated machine equipment so that circuit court is built with practical operation very
It is convenient, without excessive operation, and convenient in carrying.
3rd, communication interface allows circuit court's multi-angle to shoot with video-corder the acceptable extraneous signal of terminal and transmit signals to outside, real
The network interconnection of existing equipment, is the remote control of equipment, and the long-range storage of the audio/video information collected and recorded creates condition.
4th, uttered long and high-pitched sounds by actively forming circulation in circuit court, prevent each side and disagree, can be simple without more means
It is convenient to serve the effect for maintaining court order.
This programme compact conformation, with single equipment realize it is multi-direction shoot with video-corder, and can be shot with video-corder by communications interface transmission
Audio/video information, and then remotely stored, facilitate building for circuit court, even order keeping；Alleviate work people
Burden of the member in transportation, facilitate staff to having inconvenient traffic, the remote districts of scarcity, stood on the spot
Case, the work such as open a court session on the spot, reconcile in court, wind up the case in court.
Further, circular hole is offered on the side face of the casing, the camera is embedded in the circular hole.So that touring
Court's multi-angle shoots with video-corder terminal more integration, convenient parcel and taking-up.
Further, also including data storage, the data storage is connected with the center processing unit.So that touring method
Front yard is shot with video-corder terminal with multi-angle and can be locally stored, cannot with other equipment interconnected communication in the case of can also realize
Store function.
Further, the communication interface is WiFi communication interface and/or ethernet interface.Such Application of Interface is wide
General, compatibility is strong.
Further, the bottom of the casing is additionally provided with tripod supported hole.Facilitate external for stabilization placement circuit court
The tripod branch of terminal is shot with video-corder with multi-angle.
Further, the battery for powering is also integrated with the casing.So that touring method in the absence of a power supply
Front yard multi-angle is shot with video-corder terminal and can still be worked, and adaptability is stronger.
This programme compact conformation, with single equipment realize it is multi-direction shoot with video-corder, and can be shot with video-corder by communications interface transmission
Audio/video information, and then remotely stored, facilitates building for circuit court, alleviate staff in transportation
Burden, facilitate staff to having inconvenient traffic, the remote districts of scarcity, put on record on the spot, opened a court session on the spot, in court
The work such as reconcile, wind up the case in court.
Brief description of the drawings
Fig. 1 shoots with video-corder the top view of terminal for circuit court's multi-angle of inventive embodiments；
Fig. 2 is the front view that Tu1Zhong circuit courts multi-angle shoots with video-corder terminal；
Fig. 3 is the upward view that Tu1Zhong circuit courts multi-angle shoots with video-corder terminal；
Fig. 4 shoots with video-corder the functional block diagram of terminal for circuit court's multi-angle of inventive embodiments；
Fig. 5 shoots with video-corder the application scenarios schematic diagram of terminal for circuit court's multi-angle of inventive embodiments.
Specific embodiment
Below by specific embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Casing 1, camera 2, acoustically transparent portion 3, power switch 4, the connection of Ethernet netting twine
Mouth 5, supply hub 6, tripod supported hole 7, circuit court multi-angle shoot with video-corder terminal 8, court's trial computer 9, printer 10, trial
Seat 11, defendant's seat 12, plaintiff 13, visitors seats 14, loudspeaker 15.
Embodiment is substantially as shown in drawings：
As shown in Figure 1-2, the circuit court of embodiment of the present invention multi-angle shoots with video-corder terminal 8, is set using intensive integration
Meter, casing is provided with four cameras being embedded into by the circular hole on casing in casing, and casing is being just in being respectively facing Fig. 1
It is upper, just under, just left, just right four direction.
As shown in figure 3, the bottom of casing is provided with tripod supported hole 7 for connecting A-frame, being additionally provided with can be by leading
Supply hub and power switch that line is connected with power supply, and it is additionally provided with Ethernet netting twine connector 5.
Sound pick-up, center processing unit, TF cards, WiFi wireless network interface modules and ethernet network are integrated with casing
Interface module, wherein sound pick-up are set near casing outer surface, and corresponding position offers the acoustically transparent portion 3 of mesh on casing,
Sound pick-up is facilitated preferably to receive sound；Loudspeaker 15 is additionally provided with by each acoustically transparent portion 3, for playing the sound that sound pick-up is included
Sound, the broadcasting direction of loudspeaker 15 is just to acoustically transparent portion 3.
Fig. 4 shows the functional block diagram of the present embodiment, and multiple cameras are realized shooting with video-corder towards different seats simultaneously；It is many
To center processing unit, center processing unit can be loaded the signal simultaneous transmission that individual camera and sound pick-up are collected and recorded as needed
Software program coordinate that WiFi wireless network interface modules or ethernet network interface mould are fast and TF cards are carried out to multiple signals
The treatment such as synthesis, storage, transmission, can also receive external signal in addition；In addition to collecting and recording live sound, the high sensitivity of sound pick-up
With identification can also centered on processing unit provide sound source directional information.Loudspeaker is connected with center processing unit, in
Heart control unit is additionally operable to be turned on and off the loudspeaker according to the instruction for receiving.TF cards are then the data storages in this implementation
Device.
A concrete application example of the present embodiment is given below.
First built-in various head decoder protocols, clear transport protocol, Suo Youyin in circuit court shoots with video-corder terminal 8 with multi-angle
Video file can both realize that the machine TF was stored, it is also possible to realize that computer is stored with the court's trial computer 9 being connected, and can also realize long-range
Access long-range storage；Three kinds of storage modes, it is ensured that safety, effectively solve the problems, such as due to the video-losing that network failure causes.
Built-in ONVIF Internet videos interconnect standard agreement in by shooting with video-corder terminal 8 with multi-angle in circuit court, can
With the compatible various platforms of perfection；Monitoring mobile phone can be supported, it is adaptable to Windows mobile, IOS and android system；Support
WIFI (supports web search function, support WEP/WPA/WPA2 cipher modes), can realize that WIFI is wirelessly passed with court's trial computer 9
It is defeated, without any wired connection；Also can be by net connection mouthful wired connection court's trial computer 9, it is ensured that event occur in wireless connection
Still various complex environments can easily be tackled with normal work in the case of barrier.
As shown in figure 5, circuit court's multi-angle shoots with video-corder terminal 8 is located at court's trial for the interim circuit court built
Center, plaintiff 13, defendant's seat 12, bench 11 and visitors seats 14 are each located at a direction；Bench 11 is additionally provided with front yard
Examine computer 9 and printer 10.
By tripod supported hole, circuit court's multi-angle is shot with video-corder terminal 8 and can both be directly placed at desktop, it is also possible to made
Supported with tripod.Adjustment circuit court multi-angle shoots with video-corder terminal 8 so that four cameras are respectively just to plaintiff 13, quilt
Seat 12, bench 11 and visitors seats 14 are accused, charged and pre-set in the case that WIFI connects, clerk only needs to
The start of one key just can be used normally, without any wired connection.Built-in rechargeable battery, both can be used external power supply, it is also possible to
The video and audio recording that more than 4 hours are provided in the case of power free is supported.Circuit court's multi-angle shoots with video-corder terminal 8 can be by net
Network conducts interviews, it is also possible to receive instruction by network, realizes the functions such as remote command, long-range court's trial monitoring.
Sound pick-up can ensure the pickup effect within 10 meters, then coordinate the control program inserted just can to realize multichannel sound
Vision signal synthesizes audio-video signal all the way；The direction of spokesman is distinguished by sound pick-up, in synthetic video signal, is said
The video that the camera in direction where speaking party is collected switches to the key frame of synthesis rear video to show, occupies the big portion of picture
Facet is accumulated；Other three videos of camera collection each occupy less picture, and show together with key frame as subframe
Show, and then collectively constitute the picture of the vision signal after very synthesis；The trial video for ultimately forming is made a distinction between the important and the lesser one, and has protruded speech
The picture of side will not also lose the picture of other each side on the scene, the integrality needed for maintaining trial video.
Because circuit court is set not in real law court, lack the in a solemn atmosphere environment of law court, and each side on the scene by
Do not scruple easily and then the debate in court is developed into positive disagreement in the ambient Property that is familiar with is in, and then break around-France front yard
Order.There is disagreement in scene when causing court order to damage, and can play the acoustic scene that sound pick-up be received by loudspeaker 15
Sound, because loudspeaker 15 is just to acoustically transparent portion 3, the sound that loudspeaker is played is included by sound pick-up once more, in turn by loudspeaker
15 are played, and the circulation for forming sound is uttered long and high-pitched sounds；Because the sound uttered long and high-pitched sounds is very ear-piercing, each side's the stopping for instinct of meeting disagreed is striven
Hold, play a part of to recover court order.
Above-described is only inventive embodiment, and the general knowledge such as known concrete structure and characteristic was not made herein in scheme
Many descriptions, technical field that the present invention belongs to is all of general before one skilled in the art know the applying date or priority date
Logical technological know-how, can know all of prior art in the field, and with normal experiment means before the application date
Ability, under the enlightenment that one skilled in the art can provide in the application, improve and implement this with reference to self-ability
Scheme, some typical known features or known method should not implement the application's as one skilled in the art
Obstacle.It should be pointed out that for a person skilled in the art, on the premise of inventive structure is not departed from, if can also make
Dry deformation and improvement, these should also be considered as the protection domain of invention, these effects and patent for implementing all without influence invention
Practicality.This application claims protection domain should be defined by the content of its claim, the specific embodiment party in specification
Formula etc. records the content that can be used for explaining claim.
Claims (6)
1. circuit court's multi-angle shoots with video-corder terminal, including casing, center processing unit, camera, sound pick-up and can be two-way
The communication interface of communication；Characterized in that, the quantity of the camera is at least 4, each camera is distributed on around casing
On casing；
The quantity of the sound pick-up is at least 4, and corresponds in camera setting；
The center processing unit is connected with sound pick-up, camera and communication interface respectively；
The center processing unit, sound pick-up, communication interface are integrated in casing；
The acoustically transparent portion of mesh is circumferentially provided with the casing, the sound pick-up is arranged on the lower section in acoustically transparent portion；
The acoustically transparent radical is additionally provided with loudspeaker, and the loudspeaker is connected with the center processing unit, for playing described picking up
The sound that sound device is included, the broadcasting direction of the loudspeaker is just to the sound pick-up；
The centralized control unit is additionally operable to be turned on and off the loudspeaker according to the instruction received from communication interface.
2. circuit court according to claim 1 shoots with video-corder terminal with multi-angle, it is characterised in that：On the side face of the casing
Circular hole is offered, the camera is embedded in the circular hole.
3. circuit court according to claim 1 shoots with video-corder terminal with multi-angle, it is characterised in that：Also include data storage
Device, the data storage is connected with the center processing unit.
4. circuit court according to claim 1 shoots with video-corder terminal with multi-angle, it is characterised in that：The communication interface is
WiFi communication interface and/or ethernet interface.
5. circuit court according to claim 1 shoots with video-corder terminal with multi-angle, it is characterised in that：The bottom of the casing is also
It is provided with tripod supported hole.
6. circuit court according to claim 1 shoots with video-corder terminal with multi-angle, it is characterised in that：It is also integrated in the casing
There is the battery for powering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611212281.2A CN106851127B (en) | 2016-12-25 | 2016-12-25 | Circuit court shoots with video-corder terminal with multi-angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611212281.2A CN106851127B (en) | 2016-12-25 | 2016-12-25 | Circuit court shoots with video-corder terminal with multi-angle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106851127A true CN106851127A (en) | 2017-06-13 |
| CN106851127B CN106851127B (en) | 2019-06-21 |
Family
ID=59135444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611212281.2A Active CN106851127B (en) | 2016-12-25 | 2016-12-25 | Circuit court shoots with video-corder terminal with multi-angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106851127B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110996021A (en) * | 2019-11-30 | 2020-04-10 | 咪咕文化科技有限公司 | Director switching method, electronic device and computer readable storage medium |
| CN117998114A (en) * | 2024-04-03 | 2024-05-07 | 江苏怀业信息技术股份有限公司 | Method for processing audio and video based on Mesh architecture |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003101994A (en) * | 2001-09-20 | 2003-04-04 | Toshiba Lighting & Technology Corp | Monitoring camera system |
| CN103002392A (en) * | 2011-09-13 | 2013-03-27 | 联想(北京)有限公司 | Audio feedback processing method and intelligent device |
| CN204069140U (en) * | 2014-09-12 | 2014-12-31 | 重庆甸甸橙电子商务有限公司 | Portable touring scientific and technological court high definition shoots with video-corder terminal |
| CN204096095U (en) * | 2014-09-01 | 2015-01-14 | 中国南方电网有限责任公司超高压输电公司天生桥局 | A kind of unmanned plane full angle image aerial device |
| CN105681757A (en) * | 2016-02-26 | 2016-06-15 | 上海八越信息技术有限公司 | Bouncing imager based on cloud computation environment and imaging method thereof |
| CN206313886U (en) * | 2016-11-23 | 2017-07-07 | 重庆警蜂科技有限公司 | Portable circuit court shoots with video-corder terminal |
-
2016
- 2016-12-25 CN CN201611212281.2A patent/CN106851127B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003101994A (en) * | 2001-09-20 | 2003-04-04 | Toshiba Lighting & Technology Corp | Monitoring camera system |
| CN103002392A (en) * | 2011-09-13 | 2013-03-27 | 联想(北京)有限公司 | Audio feedback processing method and intelligent device |
| CN204096095U (en) * | 2014-09-01 | 2015-01-14 | 中国南方电网有限责任公司超高压输电公司天生桥局 | A kind of unmanned plane full angle image aerial device |
| CN204069140U (en) * | 2014-09-12 | 2014-12-31 | 重庆甸甸橙电子商务有限公司 | Portable touring scientific and technological court high definition shoots with video-corder terminal |
| CN105681757A (en) * | 2016-02-26 | 2016-06-15 | 上海八越信息技术有限公司 | Bouncing imager based on cloud computation environment and imaging method thereof |
| CN206313886U (en) * | 2016-11-23 | 2017-07-07 | 重庆警蜂科技有限公司 | Portable circuit court shoots with video-corder terminal |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110996021A (en) * | 2019-11-30 | 2020-04-10 | 咪咕文化科技有限公司 | Director switching method, electronic device and computer readable storage medium |
| CN117998114A (en) * | 2024-04-03 | 2024-05-07 | 江苏怀业信息技术股份有限公司 | Method for processing audio and video based on Mesh architecture |
| CN117998114B (en) * | 2024-04-03 | 2024-06-11 | 江苏怀业信息技术股份有限公司 | Method for processing audio and video based on Mesh architecture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106851127B (en) | 2019-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10194192B2 (en) | Integrated internet camera system and method | |
| US7907172B2 (en) | Integrated internet camera system | |
| US20040135879A1 (en) | Portable wireless indoor/outdoor camera | |
| CN107580192B (en) | Audio-video linkage control device and audio-video linked system | |
| CN104010120B (en) | Multifunctional network camera | |
| CN106851127B (en) | Circuit court shoots with video-corder terminal with multi-angle | |
| CN212727197U (en) | Law enforcement record appearance and system | |
| WO2017032045A1 (en) | Anti-theft system for safe | |
| CN111093053A (en) | Intelligent doorbell system | |
| CN205657771U (en) | Intelligent network camera | |
| CN106169277A (en) | A kind of intelligent advisement player and control system thereof | |
| CN207200853U (en) | A kind of audio-visual emerging system | |
| CN206313886U (en) | Portable circuit court shoots with video-corder terminal | |
| CN206212131U (en) | A kind of video portable wireless record system with identification | |
| CN105100745B (en) | A kind of transformer station's monitoring operation device | |
| CN110515532A (en) | A kind of interactive mode mirror and apparatus control method | |
| CN106791538B (en) | Digital display circuit for circuit court | |
| CN204069140U (en) | Portable touring scientific and technological court high definition shoots with video-corder terminal | |
| CN207166600U (en) | A kind of panorama camera | |
| CN107026974A (en) | A kind of web camera audio enhancing and control method and system | |
| CN204131630U (en) | A kind of visible door bell device | |
| US20210120786A1 (en) | Two-way pet communication system and method | |
| CN205946015U (en) | Electronic doorbell | |
| CN207304778U (en) | A kind of security monitoring device for building garage | |
| CN205961260U (en) | Audio video collecting equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220325 Address after: 325000 room 113, 1 / F, building 2, No. 10 Luohe Road, Nanjiao street, Lucheng District, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Wenzheng Technology Co.,Ltd. Address before: 400000 2-4-5, building 4, No. 30, Xijiao Road, Yangjiaping, Jiulongpo District, Chongqing Patentee before: CHONGQING JINGFENG TECHNOLOGY CO.,LTD. |