CN109005324A - Intelligent sound is taken pictures tollgate devices - Google Patents
Intelligent sound is taken pictures tollgate devices Download PDFInfo
- Publication number
- CN109005324A CN109005324A CN201810958679.3A CN201810958679A CN109005324A CN 109005324 A CN109005324 A CN 109005324A CN 201810958679 A CN201810958679 A CN 201810958679A CN 109005324 A CN109005324 A CN 109005324A
- Authority
- CN
- China
- Prior art keywords
- intelligent sound
- circuit
- tollgate devices
- taken pictures
- interface circuit
- 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.)
- Pending
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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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
Abstract
It takes pictures tollgate devices, including CPU, SD card interface circuit, 4G module interface circuit, Wi-Fi antenna interface circuit, USB interface camera, GPS circuitry, red blue flash lamp control circuit, power circuit, peoplesniffer interface circuit, door status switch warning circuit, program storage, system running memory the invention discloses intelligent sound.Multifunctional intellectual voice of the invention tollgate devices of taking pictures are with good economic efficiency, it is only necessary to which mono- processor of MT7628 does not need to purchase expensive 4G router again；It realizes data acquisition using USB camera compared to the scheme of existing external 4G router, does not need external camera.Multifunctional intellectual voice of the invention tollgate devices cost of taking pictures is lower.
Description
Technical field
It takes pictures tollgate devices the present invention relates to intelligent sound, and in particular to novel, highly integrated multifunctional intellectual language
Beat picture ID jaws equipment.
Background technique
Currently, annual winter in spring is important the season of forest fire prevention period and Frequent forest fire, refer to according to National Fire
Portion's statistics is waved, caused by 90% forest fire is all artificial, mainly visits a grave to burn paper as sacrificial offerings and sets off firecrackers, burn stalk burning rand, throw out without care
Caused by cigarette butt, so fire prevention publicity is critically important.Many forest fire protection units all can hang catch-phrase in forest fire prevention period,
Hair fire prevention brochure, installs warning sign in forest zone roadside to carry out fire prevention publicity, but the publicity mode of these text pictures is limited to
Property it is too big, tend not to cause pedestrian note that blocking plus forest zone trees, the effect of publicity is not fine.
Solar energy monitoring audio alert bayonet can effectively prevent and reduce the generation of forest fire, and it is single to significantly reduce fire prevention
The operating pressure of position can at any time be monitored each forest zone scenic spot disengaging people's vehicle in office, check fire hazard, carry out
Fire prevention early warning.
Intelligent sound take pictures tollgate devices be solar energy monitoring audio alert bayonet core component.Major function has 4G net
Network communication, WIFI communication, it is long-range it is two-way propaganda directed to communicate, local voice broadcasting, the reception of camera audio, camera alert process, integrated amplifier,
The functions such as red blue flash lamp control, controller burglar alarm, GPS positioning.
Existing bayonet control program in the market, is all based on the scheme of single-chip microcontroller+4G router, has the disadvantage in that
Have a single function, using the intelligent sound of chip microcontroller take pictures tollgate devices can only realize local voice play, no
Video can be forwarded, single-chip microcontroller itself can not achieve complicated network function；It is at high cost, since function of the MCU is weaker, need another
Outer purchase web camera and 4G router.
Existing intelligent sound is taken pictures without integrated 4G communication on tollgate devices circuit board, and WIFI, implementation mostly uses list
The control of piece machine, needs external 4G router.Existing intelligent sound takes pictures tollgate devices without function of remotely propagandaing directed to communicate, and can only play
The audio locally stored cannot remotely update audio file, can not achieve video acquisition transmission.
Summary of the invention
It takes pictures tollgate devices the main purpose of the present invention is to provide intelligent sound.
The technical solution adopted by the present invention is that: intelligent sound is taken pictures tollgate devices, including CPU, SD card interface circuit, 4G mould
Block interface circuit, Wi-Fi antenna interface circuit, USB interface camera, GPS circuitry, red blue flash lamp control circuit, power circuit,
Peoplesniffer interface circuit, door status switch warning circuit, program storage, system running memory；The CPU is separately connected SD
Card interface circuit, 4G module interface circuit, Wi-Fi antenna interface circuit, USB interface camera, GPS circuitry, red blue flash lamp control
Circuit processed, power circuit, peoplesniffer interface circuit, door status switch warning circuit, program storage, system running memory.
Further, the system running memory is 128M DDR2RAM.
Further, described program memory is 32M SPI nor Flash.
Further, the door status switch warning circuit is alarmed when opening controller installation casing by door sensor
Circuit, MT7628 detect the level change of door sensor alarm signal, pass through the number of ways such as voice, red blue flash lamp, video capture
Realize warning function of unpacking.
Further, the supply voltage of the peoplesniffer interface circuit is DC12V, is exported as switching value.
Further, the power circuit uses LM2596 as power circuit, and intelligent sound is taken pictures tollgate devices
The load wiring terminal of input connection solar controller, LM2596 allow input voltage 40V, are higher than solar panel electricity
Pressure uses TLV1117-33 as 3.3V power supply, the 5V power supply needed using MC78M05 design environment sensor.
Further, the intelligent sound takes pictures tollgate devices with micro SD card interface circuit, in advance by audio
File is stored into micro SD card；When needing to play audio file, installed using openwrt operating system
Audio file in madplay player plays micro SD card；MT7628 connection sound card chips W M8960, sound card chip can be defeated
Analog audio signal out, then carries out power amplification by TDA3118 power amplifier chips, and driving two-way loudspeaker makes a sound.
Further, the intelligent sound is taken pictures on tollgate devices circuit board with the 4G module of mini-PCIE interface
Interface circuit can install the 4G module with mini-PCIE interface；It is mentioned in openwrt operating system transplantation 4G module manufacturers
The driver of confession；According to user's needs, intelligent sound tollgate devices of taking pictures can open 4G equipment, carry out data transmission.
Further, the intelligent sound takes pictures tollgate devices circuit board equipped with antenna interface circuit and MT7628 company
It connects, realizes Wi-Fi communication.
Further, the intelligent sound takes pictures and designs usb circuit on tollgate devices circuit board, can connect USB
Camera, camera supports UVC driving and has the function of MJPEG, installs mjpg-streamer in openwrt operating system
Then service configures camera parameter；Start mjpg-streamer service, the automatic starting mjpg- that is switched on can be configured to
Streamer service；Then can remotely be checked by browser intelligent sound take pictures tollgate devices connection camera video.
Advantages of the present invention:
Multifunctional intellectual voice of the invention tollgate devices of taking pictures are with good economic efficiency, it is only necessary to MT7628 mono-
Processor does not need to purchase expensive 4G router again；It is real using USB camera compared to the scheme of existing external 4G router
Existing data acquisition, does not need external camera.Multifunctional intellectual voice of the invention tollgate devices cost of taking pictures is lower.
Intelligent sound of the invention tollgate devices of taking pictures only need one piece of processor, and 4G network communication, WIFI can be realized
Communication, network remote is two-way to propaganda directed to communicate, and remotely updates audio file, while there is the broadcasting of local voice file, camera audio to receive,
The functions such as camera alert process, integrated amplifier, the control of red blue flash lamp, the transmission of controller burglar alarm, GPS positioning, video acquisition.
Multifunctional intellectual voice of the invention tollgate devices of taking pictures are with better function, logical by means of MT7628 powerful network
The openwrt operating system of telecommunication function, operation can easily realize remote operation, such as remotely propaganda directed to communicate, and remotely update micro
The functions such as the audio file of SD card.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.
Fig. 1 is that intelligent sound of the invention is taken pictures tollgate devices system principle diagram；
Fig. 2 is that intelligent sound of the invention is taken pictures tollgate devices power circuit principle figure；
Fig. 3 is that intelligent sound of the invention is taken pictures tollgate devices SD card circuit diagram；
Fig. 4 is that intelligent sound of the invention is taken pictures tollgate devices GPS interface circuit diagram；
Fig. 5 is that intelligent sound of the invention is taken pictures the red blue flash lamp control circuit figure of tollgate devices；
Fig. 6 is that intelligent sound of the invention is taken pictures tollgate devices peoplesniffer interface circuit figure；
Fig. 7 is that intelligent sound of the invention is taken pictures tollgate devices door status switch warning circuit figure.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
With reference to Fig. 1, the tollgate devices as shown in Figure 1, intelligent sound is taken pictures, including CPU, SD card interface circuit, 4G module are connect
Mouth circuit, Wi-Fi antenna interface circuit, USB interface camera, GPS circuitry, red blue flash lamp control circuit, power circuit, human body
Prober interface circuit, door status switch warning circuit, program storage, system running memory；The CPU is separately connected SD card and connects
Mouth circuit, 4G module interface circuit, Wi-Fi antenna interface circuit, USB interface camera, GPS circuitry, red blue flash lamp control electricity
Road, power circuit, peoplesniffer interface circuit, door status switch warning circuit, program storage, system running memory.
Multifunctional intellectual voice take pictures tollgate devices CPU processor using MT7628 processor, on MT7628 processor
Run openwrt operating system.
With reference to Fig. 2, as shown in Fig. 2, power circuit: designing power circuit using LM2596, intelligent sound bayonet of taking pictures is set
The load wiring terminal of standby input connection solar controller, LM2596 absolutely allow input voltage 40V, are higher than solar-electricity
Pond plate voltage.3.3V power supply is designed using TLV1117-33, the 5V power supply needed using MC78M05 design environment sensor.
MT7628 periphery circuit design: refer to Fig. 3, as shown in figure 3, use 128M DDR2RAM as system run in
It deposits, uses 32M SPI nor Flash as program storage.
The circuit that local audio file plays is realized: tollgate devices of the multifunctional intellectual voice that the present invention designs taking pictures design
There is micro SD card interface circuit, in advance by audio files storage into micro SD card.When needing to play audio file
It waits, the audio file in madplay player plays micro SD card installed using openwrt operating system.MT7628 connects
Sound card chips W M8960 is met, sound card chip can export analog audio signal, then carry out power by TDA3118 power amplifier chips and put
Greatly, driving two-way loudspeaker makes a sound.
The circuit of 4G function of surfing the Net is realized: multifunctional intellectual voice takes pictures and devises mini- on tollgate devices circuit board
The 4G module interface circuit of PCIE interface can install the 4G module such as ME3760 with mini-PCIE interface.?
The driver that openwrt operating system transplantation 4G module manufacturers provide.According to user's needs, intelligent sound bayonet of taking pictures is set
It is standby to open 4G equipment, carry out data transmission.
Wi-Fi telecommunication circuit realizes that: MT7628 is 802.11n Wi-Fi AP/ router chip, and intelligent sound is taken pictures card
Antenna interface circuit is designed on jaws equipment circuit board to connect with MT7628, realizes Wi-Fi communication.
Carry camera realizes video acquisition transmission: intelligent sound is taken pictures design USB interface electricity on tollgate devices circuit board
Road, can connect USB camera, (camera supports UVC driving and has the function of MJPEG, installs in openwrt operating system
Mjpg-streamer service, then configures camera parameter.Start mjpg-streamer service, it is automatic to can be configured to booting
Start mjpg-streamer service.Then it can remotely check that intelligent sound takes pictures what tollgate devices connected by browser
Camera video.
With reference to Fig. 4, as shown in figure 4, GPS positioning function circuit design: the ATGM336H-5N design of section's microelectronics in use
The serial data interface of GPS circuitry, ATGM336H-5N is connected with MT7628 serial ports, realizes GPS positioning function.
With reference to Fig. 5, as shown in figure 5, red blue flash lamp control circuit: multifunctional intellectual voice take pictures tollgate devices use
ITS4060 intelligence flash MOSFET power switch.Avoiding relay has the shortcomings that mechanical life.
With reference to Fig. 7, as shown in fig. 7, door status switch warning circuit: multifunctional intellectual voice proposed by the present invention is taken pictures bayonet
Equipment design has door status switch warning circuit, when opening controller installation casing, passes through door sensor warning circuit, MT7628 inspection
The level change for measuring door sensor alarm signal realizes alarm function of unpacking by number of ways such as voice, red blue flash lamp, video captures
Energy.
With reference to Fig. 6, as shown in fig. 6, peoplesniffer interface circuit: detector supply voltage is DC12V, is exported as switch
Amount.
Intelligent sound proposed by the present invention tollgate devices of taking pictures are mounted in forest fire protection intelligent bayonet, when forest fire protection intelligence
Can bayonet after the installation of user place, forest fire protection intelligent bayonet provides DC12V direct current for intelligent sound tollgate devices of taking pictures,
The power circuit that intelligent sound is taken pictures on tollgate devices circuit board 12V voltage transformation be each functional module need 5V or
3.3V voltage.
After processor MT7628 is powered on, from Nor Flash reading program, the initial configuration of peripheral hardware, such as 4G are completed
Module is networked, camera initialization etc..
After processor initialization is completed, performing environment sensor capture program and GPS location program are started the cycle over, is acquired
Time utilization timer is realized.Most of the time processor is in idle condition, and CPU usage is low.
When thering are personnel to swarm into front of bayonet, it can be detected by the peoplesniffer installed on bayonet.Peoplesniffer
Switching value alarm signal is issued to processor.After processor receives the alarm signal of peoplesniffer transmission, processor enters report
Alert interrupt handling routine.In alarm interrupt handling routine, intelligent sound tollgate devices of taking pictures first carry out camera image
Screenshot saves, and opens red blue lamp flashing, while CPU reads the alert audio file prestored in SD card, plays by sound card chip
Alarm voice.And network alarming data packet and camera screenshot are sent to assigning remote IP by 4G module, inform long-range use
There are other people to swarm at the bayonet of family.Wherein the broadcasting time of red blue lamp flashing times and alert audio file all can be set.
When remote user receive intelligent sound take pictures tollgate devices transmission alarm signal and camera screenshot after, remotely
User can be opened by host computer APP and be propagandaed directed to communicate function to personnel near bayonet, and intelligent sound tollgate devices of taking pictures receive 4G mould
The command packet that the unlatching that block transmits is propagandaed directed to communicate plays out the audio signal of remote user by sound card chip, reaches pair
The deterrent effect of propagandaing directed to communicate of personnel near bayonet, prompts its to pay attention to forest fire protection, leaves as early as possible.
Remote user, which can according to need, to be accessed intelligent sound by 4G network at any time and takes pictures tollgate devices, checks camera
The realtime graphic of acquisition.
The realization of anti-theft function: intelligent sound tollgate devices cabinet of taking pictures is equipped with door status switch, and personnel open door sensor and open
Guan Hou, processor can open red blue lamp flashing, while CPU reads the alert audio file prestored in SD card, passes through sound card chip
Play alarm voice.Another aspect processor judges whether bayonet position changes by constantly progress GPS positioning, once exceed
Setting range, processor determine that bayonet is stolen, will send alarm signal to remote I P by 4G module.
The present invention is clapped by a novel, highly integrated multifunctional intellectual voice of core design of MT7628 processor
Picture ID jaws equipment.
The present invention does not need external 4G router, does not need external 4G camera, therefore save cost；Improve integrated level；
Improve bayonet intelligence degree.
Multifunctional intellectual voice of the invention tollgate devices of taking pictures are with good economic efficiency, it is only necessary to MT7628 mono-
Processor does not need to purchase expensive 4G router again；It is real using USB camera compared to the scheme of existing external 4G router
Existing data acquisition, does not need external camera.Multifunctional intellectual voice of the invention tollgate devices cost of taking pictures is lower.
Intelligent sound of the invention tollgate devices of taking pictures only need one piece of processor, and 4G network communication, WIFI can be realized
Communication, network remote is two-way to propaganda directed to communicate, and remotely updates audio file, while there is the broadcasting of local voice file, camera audio to receive,
The functions such as camera alert process, integrated amplifier, the control of red blue flash lamp, the transmission of controller burglar alarm, GPS positioning, video acquisition.
Multifunctional intellectual voice of the invention tollgate devices of taking pictures are with better function, logical by means of MT7628 powerful network
The openwrt operating system of telecommunication function, operation can easily realize remote operation, such as remotely propaganda directed to communicate, and remotely update micro
The functions such as the audio file of SD card.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
- The tollgate devices 1. intelligent sound is taken pictures, which is characterized in that including CPU, SD card interface circuit, 4G module interface circuit, Wi- Fi antenna interface circuit, USB interface camera, GPS circuitry, red blue flash lamp control circuit, power circuit, peoplesniffer interface Circuit, door status switch warning circuit, program storage, system running memory；The CPU is separately connected SD card interface circuit, 4G Module interface circuit, Wi-Fi antenna interface circuit, USB interface camera, GPS circuitry, red blue flash lamp control circuit, power supply electricity Road, peoplesniffer interface circuit, door status switch warning circuit, program storage, system running memory.
- The tollgate devices 2. intelligent sound according to claim 1 is taken pictures, which is characterized in that the system running memory is 128M DDR2 RAM。
- The tollgate devices 3. intelligent sound according to claim 1 is taken pictures, which is characterized in that described program memory is 32M SPI nor Flash。
- The tollgate devices 4. intelligent sound according to claim 1 is taken pictures, which is characterized in that the door status switch alarm electricity Road, when opening controller installation casing, by door sensor warning circuit, MT7628 detects that the level of door sensor alarm signal becomes Change, realizes warning function of unpacking by number of ways such as voice, red blue flash lamp, video captures.
- The tollgate devices 5. intelligent sound according to claim 1 is taken pictures, which is characterized in that the peoplesniffer interface electricity The supply voltage on road is DC12V, is exported as switching value.
- The tollgate devices 6. intelligent sound according to claim 1 is taken pictures, which is characterized in that the power circuit uses LM2596 as power circuit, intelligent sound take pictures tollgate devices input connection solar controller load wiring terminal, LM2596 allows input voltage 40V, is higher than solar cell panel voltages, uses TLV1117-33 as 3.3V power supply, uses The 5V power supply that MC78M05 design environment sensor needs.
- The tollgate devices 7. intelligent sound according to claim 1 is taken pictures, which is characterized in that the intelligent sound is taken pictures bayonet Equipment has micro SD card interface circuit, in advance by audio files storage into micro SD card；It is literary when needing to play audio When part, the audio file in madplay player plays micro SD card installed using openwrt operating system； MT7628 connection sound card chips W M8960, sound card chip can export analog audio signal, then by TDA3118 power amplifier chips into Row power amplification, driving two-way loudspeaker make a sound.
- The tollgate devices 8. intelligent sound according to claim 1 is taken pictures, which is characterized in that the intelligent sound is taken pictures bayonet With the 4G module interface circuit of mini-PCIE interface on circuitry plate, the 4G mould with mini-PCIE interface can be installed Block；In the driver that openwrt operating system transplantation 4G module manufacturers provide；According to user's needs, intelligent sound is taken pictures Tollgate devices can open 4G equipment, carry out data transmission.
- The tollgate devices 9. intelligent sound according to claim 1 is taken pictures, which is characterized in that the intelligent sound is taken pictures bayonet Circuitry plate is equipped with antenna interface circuit and connects with MT7628, realizes Wi-Fi communication.
- The tollgate devices 10. intelligent sound according to claim 1 is taken pictures, which is characterized in that the bayonet controller circuitry Usb circuit is designed on plate, can connect USB camera, camera supports UVC driving and has the function of MJPEG, Mjpg-streamer service is installed in openwrt operating system, then configures camera parameter；Start mjpg-streamer clothes Business can be configured to the automatic starting mjpg-streamer service that is switched on；Then it can remotely check that intelligent sound is taken pictures by browser The camera video of tollgate devices connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810958679.3A CN109005324A (en) | 2018-08-22 | 2018-08-22 | Intelligent sound is taken pictures tollgate devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810958679.3A CN109005324A (en) | 2018-08-22 | 2018-08-22 | Intelligent sound is taken pictures tollgate devices |
Publications (1)
| Publication Number | Publication Date |
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| CN109005324A true CN109005324A (en) | 2018-12-14 |
Family
ID=64594112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810958679.3A Pending CN109005324A (en) | 2018-08-22 | 2018-08-22 | Intelligent sound is taken pictures tollgate devices |
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| Country | Link |
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| CN (1) | CN109005324A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109862322A (en) * | 2019-02-19 | 2019-06-07 | 深圳市研诺达科技有限公司 | A kind of audio-visual acquisition equipment of 4G based on the transmission of UVC data |
| CN111080942A (en) * | 2019-12-30 | 2020-04-28 | 云南华尔贝光电技术有限公司 | Forest fire prevention warning propaganda device is listened to photovoltaic power supply's microwave |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2800078A1 (en) * | 2011-12-28 | 2014-11-05 | Samsung Electronics Co., Ltd. | Method and apparatus for providing home security service in communication system |
| CN204632039U (en) * | 2015-05-18 | 2015-09-09 | 广东华南水电高新技术开发有限公司 | Forest fire protection supervising device |
| CN105898225A (en) * | 2016-04-26 | 2016-08-24 | 中国科学技术大学 | Real-time camera monitoring method based Openwrt router |
-
2018
- 2018-08-22 CN CN201810958679.3A patent/CN109005324A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2800078A1 (en) * | 2011-12-28 | 2014-11-05 | Samsung Electronics Co., Ltd. | Method and apparatus for providing home security service in communication system |
| CN204632039U (en) * | 2015-05-18 | 2015-09-09 | 广东华南水电高新技术开发有限公司 | Forest fire protection supervising device |
| CN105898225A (en) * | 2016-04-26 | 2016-08-24 | 中国科学技术大学 | Real-time camera monitoring method based Openwrt router |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109862322A (en) * | 2019-02-19 | 2019-06-07 | 深圳市研诺达科技有限公司 | A kind of audio-visual acquisition equipment of 4G based on the transmission of UVC data |
| CN109862322B (en) * | 2019-02-19 | 2020-12-08 | 深圳市研诺达科技有限公司 | 4G audio-visual collection equipment based on UVC data transmission |
| CN111080942A (en) * | 2019-12-30 | 2020-04-28 | 云南华尔贝光电技术有限公司 | Forest fire prevention warning propaganda device is listened to photovoltaic power supply's microwave |
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Application publication date: 20181214 |
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| RJ01 | Rejection of invention patent application after publication |