CN201491183U - Video monitoring device and system - Google Patents
Video monitoring device and system Download PDFInfo
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- CN201491183U CN201491183U CN 200920222496 CN200920222496U CN201491183U CN 201491183 U CN201491183 U CN 201491183U CN 200920222496 CN200920222496 CN 200920222496 CN 200920222496 U CN200920222496 U CN 200920222496U CN 201491183 U CN201491183 U CN 201491183U
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Abstract
The utility model relates to a video monitoring device and a video monitoring system, wherein the video monitoring device comprises a central controller unit, a video collecting unit and a WiFi wireless sending unit; the video collecting unit is connected with the central controller unit and used for collecting a video image; and the WiFi wireless sending unit is connected with the central controller unit and used for sending the video image to a receiving terminal. Because the central controller unit, the video collecting unit and the WiFi wireless sending unit are integrated together, the video monitoring device of the embodiment of the utility model can be rapidly installed so as to collect and transmit the video image, so the work efficiency is improved, and the defects of poor stability and the like of each functional unit due to incompatibility are also avoided, thereby the maintenance cost is lowered, the volume of the device is reduced, power consumption is reduced, and the video monitoring device is favorable for being used under the conditions of outdoors, moving states and the like.
Description
Technical field
The utility model relates to a kind of mechanics of communication, particularly a kind of video monitoring apparatus and system.
Background technology
Video monitoring is that network communications technology is used one of maximum field, video monitoring system mainly is supervision and the control that is used for important area or remote site, and the video monitoring technology is just obtaining application more and more widely in industry such as electric power system, urban transportation, forest fire protection system, sub-district public security, oil field, emergency communication system and sphere of life.
Digital video monitor system based on the IP technology adopts the digital coding compress technique, (the Moving Pictures Experts Group of dynamic image expert group for example, MPEG) MPEG-2 in or MPEG-4, and video data transmits by network, can provide high-quality video monitoring, and video monitoring range is more extensive.Utilize broadband device a plurality of monitoring points and CCC can be coupled together, real-time and the high-resolution video image of the shot by camera that on-site supervision point is installed transmits by broadband access equipment, be sent to user's CCC, to obtain the real-time and hdtv video image of remote monitoring point.
In demands such as emergency communication, social public security answering system, the communication of mobile fleet, need possess the ability of video image acquisition transmission.Traditional video monitoring apparatus all is to include equipment simple combination such as video camera, video encoder and router to form.This equipment by various manufacturer production, the set-up time is long, and complexity is installed, and needs special technical staff to install; And poor stability, if an equipment or a connecting line in a certain Network Video Surveillance device go wrong, all can cause this Network Video Surveillance device cisco unity malfunction; Because the wireless device on the market is different with transmission of video images device fabrication producer, lack uniformity, when making up, need carry out compatibility test, if incompatible then need to change the product of other producers, cause the maintenance cost height, and have the big and high problem of power consumption of volume.
The utility model content
The purpose of this utility model provides a kind of video monitoring apparatus and system, is used for solving the problem of big, the compatible low and poor stability of prior art video monitoring apparatus and system bulk.
The utility model embodiment provides a kind of video monitoring apparatus, wherein, comprising:
The central controller unit;
Video acquisition unit is connected with described central controller unit, gathers video image;
WiFi wireless transmission unit is connected with described central controller unit, and described video image is sent to receiving terminal.
Wherein also comprise: video encoding unit, described video encoding unit are connected between described central controller unit and the described video acquisition unit, and described encoding video pictures is compressed into digital video bit stream.
Wherein, described central controller unit also comprises:
Cache module is gathered the video image buffer-stored to be transferred to described WiFi wireless transmission unit with described video acquisition unit.
Wherein also comprise: the Ethernet control unit, described Ethernet control unit is connected with described central controller unit, and described video image is sent to Ethernet by Ethernet interface.
Wherein also comprise: the GPS control unit, described GPS control unit is connected with described central controller unit, obtains locating information;
Described WiFi wireless transmission unit also is used for this locating information is sent to receiving terminal.
The utility model embodiment also provides a kind of video monitoring system, comprising:
Receiving terminal and video monitoring apparatus, described video monitoring apparatus comprises:
The central controller unit;
Video acquisition unit is connected with described central controller unit, gathers video image;
WiFi wireless transmission unit is connected with described central controller unit, and described video image is sent to described receiving terminal;
Described receiving terminal receives the video image that described video monitoring apparatus sends.
Wherein, described video monitoring apparatus also comprises:
Video encoding unit, described video encoding unit are connected between described central controller unit and the described video acquisition unit, and described encoding video pictures is compressed into digital video bit stream.
Wherein, described video monitoring apparatus also comprises:
Cache module is gathered the video image buffer-stored to be transferred to described WiFi wireless transmission unit with described video acquisition unit.
Wherein, described video monitoring apparatus also comprises: the Ethernet control unit, described Ethernet control unit is connected with described central controller unit, and described video image is sent to Ethernet by Ethernet interface.
Described video monitoring apparatus is connected to Ethernet by described Ethernet control unit, and described receiving terminal is connected with described Ethernet.
Wherein, described video monitoring apparatus also comprises:
The GPS control unit, described GPS control unit is connected with described central controller unit, obtains locating information;
Described WiFi wireless transmission unit also is used for described locating information is sent to described receiving terminal.
Description of drawings
Fig. 1 is the structural representation one of the utility model embodiment video monitoring apparatus specific embodiment one;
Fig. 2 is the structural representation two of the utility model embodiment video monitoring apparatus specific embodiment one
Fig. 3 is the structural representation three of the utility model embodiment video monitoring apparatus specific embodiment one;
Fig. 4 is the workflow diagram of the utility model embodiment video monitoring apparatus specific embodiment one;
Fig. 5 is the structural representation one of the utility model embodiment video monitoring apparatus specific embodiment two;
Fig. 6 is the structural representation two of the utility model embodiment video monitoring apparatus specific embodiment two;
Fig. 7 is the assembling block diagram of the utility model embodiment video monitoring apparatus specific embodiment two;
Fig. 8 is the workflow diagram of the utility model embodiment video monitoring apparatus specific embodiment two;
Fig. 9 is the structural representation of the utility model embodiment video monitoring system specific embodiment;
Figure 10 is the work schematic diagram of the utility model embodiment video monitoring system specific embodiment;
Figure 11 is the workflow diagram of the utility model embodiment video monitoring system specific embodiment.
Embodiment
Below by drawings and Examples, the technical solution of the utility model is done detailed description further.
The specific embodiment one of the utility model embodiment video monitoring apparatus
Fig. 1 is the structural representation one of the utility model embodiment video monitoring apparatus specific embodiment one.As shown in Figure 1, the utility model embodiment video monitoring apparatus 10 comprises central controller unit 101, video acquisition unit 102 and WiFi wireless transmission unit 103, wherein, video acquisition unit 102 is used for the video image of acquisition monitoring point, and video acquisition unit 102 can be video camera or camera probe etc.; The opening and closing of central controller unit 101 difference control of video collecting units 102 and WiFi wireless transmission unit 103, the angle that can also be used for the collection video image of control of video collecting unit 102, brightness, perhaps control the wireless channel of WiFi wireless transmission unit 103 etc., central controller unit 101 also is used for the video signal that video acquisition unit 102 is gathered is transferred to WiFi wireless transmission unit 103, WiFi wireless transmission unit 103 is used for the video signal that video acquisition unit 102 is gathered is launched, WiFi wireless transmission unit 103 can adopt the 88W8686 WiFi wireless chip that has the SDIO interface, WiFi wireless transmission unit 103 can be connected on the wireless router with wireless self-networking function, sends video signal by wireless router.Central controller unit 101 can adopt the i.MX27 chip, wherein, 101 device unit of i.MX27 chip adopt is that the model of high-performance, low-power consumption is the microcontroller of ARM926EJ-S, the microcontroller of ARM926EJ-S is built-in with H.264 codec unit, and having abundant interface, basic frequency can reach 400MHz.
Fig. 2 is the structural representation two of the utility model embodiment video monitoring apparatus specific embodiment one.As shown in Figure 2, the utility model embodiment video monitoring apparatus also comprises video encoding unit 104, video encoding unit 104 is connected between video acquisition unit 102 and the central controller unit 101, be used for the video signal that video acquisition unit 102 is gathered is carried out the video coding compression, video encoding unit 104 can adopt the H.264 video coding technique of standard, and the video signal Real Time Compression is become digital video bit stream.
The structural representation three of Fig. 3 the utility model embodiment video monitoring apparatus specific embodiment one.As shown in Figure 3, central controller unit 101 also comprises cache module, be used for the video image of video acquisition unit 102 collections or the video image that compresses through video encoding unit 104 are carried out buffer-stored, and then be sent to WiFi wireless transmission unit 103 and launch, if situations such as short interruption take place when collection video image or compressed video image, can avoid the video signal of WiFi wireless transmission unit 103 emissions to take place because of interruption or decline to pause.
Fig. 4 is the workflow diagram of the utility model embodiment video monitoring apparatus specific embodiment one.As shown in the figure, the utility model embodiment video monitoring apparatus detailed process is:
The video image in video acquisition unit 102 acquisition monitoring places, video acquisition unit 102 can be camera-shooting and recording devices such as video camera or high definition camera, capture video image under the control of central controller unit 101.The time of the opening and closing of video acquisition unit 102 can be set in central controller unit 101, the focal length when perhaps setting angle that video acquisition unit 102 takes, brightness and shooting etc.The control of the 101 pairs of video acquisition unit 102 in central controller unit can be to set in advance, also can finish under Long-distance Control by communication terminal or network etc.
Cache module in step 403, the central controller unit 101 carries out buffer-stored to digital video bit stream.
The digital video bit stream buffer-stored that cache module in the central controller unit 101 is compressed into video encoding unit 104, the access speed of cache module is exceedingly fast, can improve the transmission speed and the harmony of digital video bit stream, and reduce the processing load in the 101 pairs of digital video bit stream transmission courses in central controller unit.
WiFi wireless transmission unit 103 can adopt the 88W8686 WiFi wireless chip that has the SDIO interface, has advantage low in energy consumption, that volume is little.WiFi wireless transmission unit 103 reads the digital video bit stream of the cache module in the central controller unit 101, launches then.WiFi wireless transmission unit 103 can be set to the pattern of MANET, to carry out the transmission of digital video bit stream under the situation that does not have base station or other cable network facilities.
The utility model embodiment video monitoring apparatus is by integrating central controller unit 101, video acquisition unit 102 and WiFi wireless transmission unit 103, collection and transmission to carry out video image can be installed rapidly, improved operating efficiency, also avoid each functional unit owing to the incompatible deficiencies such as poor stability that cause, maintenance cost is reduced, the volume of device reduces, and has reduced power consumption, helps in the open air, uses under the situation of mobile status etc.
The specific embodiment two of the utility model embodiment video monitoring apparatus
Fig. 5 is the structural representation one of the utility model embodiment video monitoring apparatus specific embodiment two.As shown in Figure 5, on the basis of the specific embodiment one of the utility model embodiment video monitoring apparatus, the utility model embodiment video monitoring apparatus 10 also comprises Ethernet control unit 105, Ethernet control unit 105 is connected with central controller unit 101, be used for being connected with the cable network of outsides such as Ethernet, so that video signal is sent in the outside Ethernet by Ethernet interface, can also be by Ethernet to central controller unit 101 input instructions, for example adjust instructions such as the angle of collection video image of video acquisition unit 102 or brightness.Ethernet control unit 105 is connected with the mode of WiFi wireless transmission unit 103 by bridge joint, and the video image that guarantees to send to video image and 103 transmissions of WiFi wireless transmission unit in the Ethernet is synchronous.
Fig. 6 is the structural representation two of the utility model embodiment video monitoring apparatus specific embodiment two.As shown in Figure 6, further, the utility model embodiment video monitoring apparatus can also comprise GPS control unit 106, GPS control unit 106 is used for obtaining locating information from the GPS navigation system, with the place that video image is gathered in accurate location, WiFi wireless transmission unit 103 can also send to receiving terminal with locating information; Perhaps the locating information that provides according to the GPS navigation system comes the motion of Long-distance Control video monitoring apparatus to find the place of gathering video image, so that needed position is monitored in real time.
Fig. 7 is the assembling block diagram of the utility model embodiment video monitoring apparatus specific embodiment two.As shown in Figure 7, static random access memory (Static Random AccessMemory can be supported in central controller unit 101, SRAM), external memory storages such as Double Data Rate synchronous DRAM (Double Data Rate DynamicRandom Access Memory, DDR DRAM), NAND FLASH or NOR FLASH.Central controller unit 101 is by secure digital input and output (Secure Digital Input/Output, SDIO) interface is connected with WiFi wireless transmission unit 103, central controller unit 101 is by universal serial bus (Inter Integrated Circuit, IIC) and interconnected (the commonsystem interconnect of public system, CSI) be connected with video acquisition unit 102, central controller unit 101 is connected with Ethernet control unit 105 by Ethernet control unit interface, central controller unit 101 is connected with GPS control unit 106 by serial ports, and serial ports can adopt the RS232 serial ports.The central controller unit further has other interface to connect other external equipment, for example be connected to Serial Advanced Technology Attachment (the Serial Advanced TechnologyAttachment that is used for external serial ports hard disk, SATA), the internal memory SDRAM of CPU or outside external equipments such as memory FLASH.
Fig. 8 is the workflow diagram of the utility model embodiment video monitoring apparatus specific embodiment two.As shown in Figure 8, the concrete workflow of the utility model embodiment video monitoring apparatus is as follows:
Angle, brightness or focal length that video acquisition unit 102 is taken according to the factor adjustment such as brightness in monitoring place are taken the clear video image in monitoring place.
Cache module in step 803, the central controller unit 101 carries out buffer-stored to digital video bit stream.
The digital video bit stream buffer-stored that cache module in the central controller unit 101 is compressed into video encoding unit 104, the access speed of cache module is exceedingly fast, can improve the transmission speed and the harmony of digital video bit stream, and the raising treatment effeciency is loaded in the processing that reduces in the 101 pairs of digital video bit stream transmission courses in central controller unit.
WiFi wireless transmission unit 103 reads the digital video bit stream and the locator data of the cache module in the central controller unit 101, launches then.WiFi wireless transmission unit 103 can be set to the pattern of MANET, so just can carry out the transmission of digital video bit stream and locator data under the situation that does not have base station or other cable network facilities.WiFi wireless transmission unit 103 can adopt the 88W8686 WiFi wireless chip that has the SDIO interface, has advantages such as low in energy consumption, that volume is little.
The utility model embodiment video monitoring apparatus passes through central controller unit 101, video acquisition unit 102 and WiFi wireless transmission unit 103 integrate, collection and transmission to carry out video image can be installed rapidly on the one hand, improved operating efficiency, also avoid each functional unit owing to the incompatible deficiencies such as poor stability that cause, maintenance cost is reduced, volume reduces, and reduced power consumption, then pass through the Ethernet and the GPS navigation system of connection on the other hand, can locate the place of gathering video image rapidly, can also come output video image or input instruction by Ethernet, increase the function of the utility model embodiment video monitoring apparatus, can be in the open air, use under the situation of mobile status etc., can be connected with cable network again, enlarge the scope of application of the utility model embodiment video monitoring apparatus.
The specific embodiment of the utility model embodiment video monitoring system
Fig. 9 is the structural representation of the utility model embodiment video monitoring system specific embodiment.As shown in Figure 9, and in conjunction with Fig. 6-7, the utility model embodiment video monitoring system comprises video monitoring apparatus 10 and receiving system 20, and wherein video monitoring apparatus 10 comprises central controller unit 101, video acquisition unit 102 and WiFi wireless transmission unit 103.It can be video camera or camera probe etc. that video acquisition unit 102 is used to gather video image, the video image that is used for acquisition monitoring point, video acquisition unit 102 is connected with central controller unit 101, WiFi wireless transmission unit 103 can adopt the 88W8686 WiFi wireless chip that has the SDIO interface, be used for the video signal that video acquisition unit 102 is gathered is sent, and have the wireless self-networking function.Central controller unit 101 can adopt the i.MX27 chip, and what the controller unit of i.MX27 chip adopted is the microcontroller of low-power consumption core ARM 926EJ-S, and its basic frequency can reach 400MHz.Receiving system 20 receives WiFi wireless transmission unit 103 and sends video signal, and receiving system 20 can be mobile phone, computer or other receiving system.
When having video encoding unit 104 in the video monitoring apparatus 10, the image compression that video encoding unit 104 is gathered video with video acquisition unit 102 becomes the littler digital video bit stream of flow, then receiving system 20 must have corresponding video decoding unit, so that being decoded, the digital video bit stream that receives obtains video image, video encoding unit 104 can adopt the H.264 video coding technique of standard, and video decoding unit also will adopt the video coding technique of corresponding H.264 standard.
Figure 10 is the work schematic diagram of the utility model embodiment video monitoring system specific embodiment.As shown in figure 10, video monitoring apparatus 10 can be installed on the automobile or the vehicles and move with convenient, because the WiFi wireless transmission unit 103 of video monitoring apparatus 10 has the wireless self-networking function, video monitoring apparatus 10 can receive and transmit the video image that other adjacent video monitoring apparatus 10 obtains, so video monitoring apparatus 10 has the wireless self-networking function, each video monitoring apparatus 10 can be as a node that receives and transmit video image.The utility model embodiment video monitoring system can be applied to march, the disaster relief or temporary meeting etc.
Figure 11 is the workflow diagram of the utility model embodiment video monitoring system specific embodiment.As shown in figure 11, the workflow of the utility model embodiment video monitoring system specifically comprises:
Angle, brightness or focal length that video acquisition unit 102 in the video monitoring apparatus 10 is taken according to the factor adjustment such as brightness in monitoring place are taken the clear video image in monitoring place.
The digital video bit stream of receiving system 20 receiver, video images, receiving system can be for having the portable terminal of wireless network card, for example personal digital assistant (Personal Digital Assistant, PDA) or computer etc.Because video monitoring apparatus 10 can also comprise Ethernet control unit 105, and digital video bit stream can be transmitted in the cable network of Ethernet, therefore, can come the receiving digital video code stream by the computer that is connected on the cable network.As long as receiving system 20 is equipped with the corresponding video decoding unit of installing with video monitoring apparatus 10 of video encoding unit, just can decode, with the video image that obtains to monitor the place or locator data etc. to the digital video bit stream that receives.
In the utility model embodiment video monitoring system, can video image not carried out the video coding compression yet, but transmission, transmission and receiver, video image just because the flow of video image is big, can both be realized real-time video monitoring is carried out in the monitoring place.
The utility model embodiment video monitoring system is by adopting central controller unit 101, video acquisition unit 102 and WiFi wireless transmission unit 103 integrate the video monitoring apparatus of composition, collection and transmission to carry out video image can be installed rapidly on the one hand, improved operating efficiency, also avoid each functional unit owing to the incompatible deficiencies such as poor stability that cause, maintenance cost is reduced, volume reduces, and reduced power consumption, then pass through the Ethernet and the GPS navigation system of connection on the other hand, the place of video image is gathered in the location rapidly, can also come output video image or input instruction by Ethernet, increase the function of the utility model embodiment video monitoring apparatus, can be in the open air, use under the situation of mobile status etc., can be connected with cable network again, enlarge the scope of application of the utility model embodiment video monitoring system.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a video monitoring apparatus is characterized in that, comprising:
The central controller unit;
Video acquisition unit is connected with described central controller unit, gathers video image;
WiFi wireless transmission unit is connected with described central controller unit, and described video image is sent to receiving terminal.
2. video monitoring apparatus according to claim 1 is characterized in that also comprising:
Video encoding unit, described video encoding unit are connected between described central controller unit and the described video acquisition unit, and described encoding video pictures is compressed into digital video bit stream.
3. video monitoring apparatus according to claim 1 is characterized in that, described central controller unit also comprises:
Cache module is gathered the video image buffer-stored to be transferred to described WiFi wireless transmission unit with described video acquisition unit.
4. video monitoring apparatus according to claim 1 is characterized in that also comprising:
The Ethernet control unit, described Ethernet control unit is connected with described central controller unit, and described video image is sent to Ethernet by Ethernet interface.
5. video monitoring apparatus according to claim 1 is characterized in that also comprising:
The GPS control unit, described GPS control unit is connected with described central controller unit, obtains locating information;
Described WiFi wireless transmission unit also is used for this locating information is sent to receiving terminal.
6. video monitoring system is characterized in that comprising: receiving terminal and video monitoring apparatus, and described video monitoring apparatus comprises:
The central controller unit;
Video acquisition unit is connected with described central controller unit, gathers video image;
WiFi wireless transmission unit is connected with described central controller unit, and described video image is sent to described receiving terminal;
Described receiving terminal receives the video image that described video monitoring apparatus sends.
7. video monitoring system according to claim 6 is characterized in that, described video monitoring apparatus also comprises:
Video encoding unit, described video encoding unit are connected between described central controller unit and the described video acquisition unit, and described encoding video pictures is compressed into digital video bit stream.
8. video monitoring system according to claim 6 is characterized in that, described video monitoring apparatus also comprises:
Cache module is gathered the video image buffer-stored to be transferred to described WiFi wireless transmission unit with described video acquisition unit.
9. video monitoring system according to claim 6, it is characterized in that, described video monitoring apparatus also comprises: the Ethernet control unit, and described Ethernet control unit is connected with described central controller unit, and described video image is sent to Ethernet by Ethernet interface;
Described video monitoring apparatus is connected to Ethernet by described Ethernet control unit, and described receiving terminal is connected with described Ethernet.
10. video monitoring system according to claim 6 is characterized in that, described video monitoring apparatus also comprises:
The GPS control unit, described GPS control unit is connected with described central controller unit, obtains locating information;
Described WiFi wireless transmission unit also is used for described locating information is sent to described receiving terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920222496 CN201491183U (en) | 2009-09-11 | 2009-09-11 | Video monitoring device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920222496 CN201491183U (en) | 2009-09-11 | 2009-09-11 | Video monitoring device and system |
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| CN201491183U true CN201491183U (en) | 2010-05-26 |
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| CN 200920222496 Expired - Fee Related CN201491183U (en) | 2009-09-11 | 2009-09-11 | Video monitoring device and system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340654A (en) * | 2011-10-08 | 2012-02-01 | 无锡艾德里安科技有限公司 | H264-based wireless video monitoring system |
| CN102427543A (en) * | 2011-10-12 | 2012-04-25 | 大连科迪视频技术有限公司 | Platform for processing frame synchronization 3D real-time video information and processing method thereof |
| CN102749930A (en) * | 2012-06-06 | 2012-10-24 | 哈尔滨市光学仪器厂 | Calibration positioning instrument and positioning method for oilfield wellhead |
| CN103108161A (en) * | 2013-01-29 | 2013-05-15 | 四川省众望科希盟科技有限公司 | Mini-type observation apparatus control system |
| CN103763526B (en) * | 2014-01-10 | 2017-04-19 | 浙江宇视科技有限公司 | monitoring control method and device |
| CN109640305A (en) * | 2018-12-27 | 2019-04-16 | 维沃移动通信有限公司 | Audio/video acquisition method, bluetooth equipment and terminal device |
-
2009
- 2009-09-11 CN CN 200920222496 patent/CN201491183U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340654A (en) * | 2011-10-08 | 2012-02-01 | 无锡艾德里安科技有限公司 | H264-based wireless video monitoring system |
| CN102427543A (en) * | 2011-10-12 | 2012-04-25 | 大连科迪视频技术有限公司 | Platform for processing frame synchronization 3D real-time video information and processing method thereof |
| CN102427543B (en) * | 2011-10-12 | 2013-10-16 | 大连科迪视频技术有限公司 | Platform for processing frame synchronization 3D real-time video information and processing method thereof |
| CN102749930A (en) * | 2012-06-06 | 2012-10-24 | 哈尔滨市光学仪器厂 | Calibration positioning instrument and positioning method for oilfield wellhead |
| CN103108161A (en) * | 2013-01-29 | 2013-05-15 | 四川省众望科希盟科技有限公司 | Mini-type observation apparatus control system |
| CN103108161B (en) * | 2013-01-29 | 2015-12-02 | 四川省众望科希盟科技有限公司 | A kind of miniature scope control system |
| CN103763526B (en) * | 2014-01-10 | 2017-04-19 | 浙江宇视科技有限公司 | monitoring control method and device |
| CN109640305A (en) * | 2018-12-27 | 2019-04-16 | 维沃移动通信有限公司 | Audio/video acquisition method, bluetooth equipment and terminal device |
| CN109640305B (en) * | 2018-12-27 | 2022-04-22 | 维沃移动通信有限公司 | Audio and video acquisition method, Bluetooth device and terminal device |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20100526 Termination date: 20160911 |