CN101106681A - Wireless video transmission device and method - Google Patents
Wireless video transmission device and method Download PDFInfo
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- CN101106681A CN101106681A CNA2007100288428A CN200710028842A CN101106681A CN 101106681 A CN101106681 A CN 101106681A CN A2007100288428 A CNA2007100288428 A CN A2007100288428A CN 200710028842 A CN200710028842 A CN 200710028842A CN 101106681 A CN101106681 A CN 101106681A
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Abstract
The invention provides a wireless video transmission device, including a connecting port, a USB device control module, a wireless communication module and a storing module; wherein the connecting port is connected with the USB device control module and an external computer, respectively, the wireless communication module is connected with the USB device control module through a USB interface, the storing module is connected with the USB device control module through a data bus, and the USB device control module includes a MCU chip. The storing module and the wireless transmission module in the invention are integrated into one equipment through the USB device control module, being convenient for carrying; the wireless communication module and the storing module can each work independently, or work together for data transmission or data storage; operation is simple and easy, plug-and-play, no need to install software, no need to restart computers, to realize desktop video image data transmission and two-way control functions.
Description
Technical field
The present invention relates to the wireless video transmission technology, specifically be meant wireless video transmission device and method thereof.
Background technology
At present, common wireless video transmission equipment generally is used for the transportation simulator video data, uses the defective of this device transmission analog video data to be narrow bandwidth, transmitted data amount is little, image resolution ratio is not enough, and when the image of transmission 720 * 576 pixels, definition is not high.If this equipment is used to transmit the computer desktop view data, because the computer desktop image is generally all at 1024 * 768 pixels, in addition higher, transmitted data amount then becomes tangible bottleneck.On the other hand, the Telnet technology also is usually used in transmission digital video, this technology utilizes network and Image Compression to transmit the computer desktop view data, but normally with form of software as product, need user's install software and need user's the computer must configure network devices.Like this, the user has been caused inconvenience.
For addressing the above problem, application number is that the Chinese patent of 03126817.X discloses a kind of USB device and drive programe installation method (as shown in Figure 1) thereof, this patent mainly is to utilize a mechanical switch to connect main frame and relevant USB apparatus module with two analog switches, and utilizes the interjob mode operating.This patent two point defects are arranged: the first, utilize mechanical switch to select the access of USB apparatus module, must be by people's manual manipulation, trivial operations; The second, utilize mechanical switch that the USB apparatus module is selected, insert main frame after, not selecteed in addition USB apparatus module is promptly idle, can't use, and promptly is, can only select one of them equipment to insert at one time and uses.Application number is 200310104289.3 the disclosed USB interface device (as shown in Figure 2) that is a kind of in conjunction with medium and wireless network card of Chinese patent, this device utilizes the USB line concentration controller to connect USB memory module and USB wireless communication module, for the PC main frame, be equivalent to three equipment, and the USB line concentration controller can only play simple interconnect function.As seen, these two patent equipment structures and purpose of design have similitude, also have shortcomings and deficiencies separately.
Summary of the invention
The objective of the invention is to overcome the shortcoming and defect of above-mentioned prior art, provide a kind of transmitted data amount big, easy to use, simple to operate wireless video transmission device.The present invention also aims to provide the transmission method of above-mentioned wireless video transmission device.
Purpose of the present invention is achieved through the following technical solutions: wireless video transmission device comprises:
The connectivity port provides the PORT COM that data input or output, in order to connect outer computer;
The USB device control module is connected with the connectivity port, and described USB device control module comprises the MCU chip;
Wireless communication module comprises a USB interface, is connected with the USB device control module;
Memory module is connected with the USB device control module by data/address bus.
Must realize the present invention for better, the above wireless video device can further be provided with a power supply changeover device, and this power supply changeover device links to each other with memory module, connectivity port, is used to provide a burning voltage to memory module.
The above wireless video device also is provided with indicator light, is used for the display device operating state, and described indicator light is connected with the USB device control module.
Described connectivity port includes but not limited to USB port, pcmcia port.
Described memory module also comprises the driven element module of wireless communication module, and it is loaded with the necessary program that drives wireless communication module.
Described memory module also can comprise wireless video transmission submodule, it is loaded with the wireless video transmission procedure, described wireless video transmission procedure for client, is used for then that desktop picture is caught, image compression, data send and receive, handle the passback control information; For service end, then be used to receive data, decompressed image, playing image and acquisition control information, passback control information.
Adopt the wireless video transmission method of above-mentioned wireless video transmission device to be: wireless video transmission device is linked to each other with outer computer, the characteristic of utilizing PnP device in computer system, to move automatically, wireless video transmission device moves the driven element module of memory module automatically to drive wireless communication module, automatically detect wireless communication module and configuration parameter, the wireless video transmission submodule that moves memory module automatically carries out the wireless video transmission:
When outer computer during as client, outer computer carries out that desktop picture is caught, image compression, and image compression data sent to service end by connectivity port, USB device control module, wireless communication module successively, simultaneously, wireless communication module receives the passback control information of service end, and is transferred to the processing of wireless video transmission submodule by the USB device control module;
When outer computer during as service end, outer computer receives image compression data by wireless communication module, USB device control module, connectivity port successively, and carry out decompressed image, playing image, perhaps directly image compression data is sent to the memory module storage by connectivity port, USB device control module successively; Simultaneously, the control information of wireless communication module capture client and return control information.
The present invention compared with prior art has following advantage and beneficial effect:
(1) memory module and wireless transport module are integrated into an equipment by the USB device control module, and be easy to carry;
(2) wireless communication module and memory module can work alone separately, the transmission or the storage that also can cooperatively interact and be used for data;
(3) to user's shirtsleeve operation of providing convenience: plug and play, need not install software, more need not to restart computer, can realize desktop video image data transmission and two-way controlled function.
Description of drawings
Fig. 1 is the structural representation of prior USB equipment and drive programe installation method thereof.
Fig. 2 is the structural representation of existing a kind of USB interface device in conjunction with medium and wireless network card.
Fig. 3 is the structural representation of wireless video transmission device of the present invention.
Fig. 4 is the operation logic figure that wireless video transmission device shown in Figure 3 connects outer computer.
Fig. 5 is that wireless video transmission device shown in Figure 3 is connected fundamental diagram respectively with service end, client.
Fig. 6 is the workflow diagram that carries out the wireless video transmission between service end and the client.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment one
As shown in Figure 3, this wireless video transmission device comprises:
Usb connecting port 310 provides the PORT COM that data input or output, in order to connect outer computer;
USB device control module 320 is connected with connectivity port 310;
USB device control module 320 comprises the MCU chip.
The wireless video device also can further be provided with indicator light 341, is used for the operating state of display device (as wireless communication module 331), and described indicator light 341 is connected with the USB device control module.
Described memory module 332 also comprises the driven element module of wireless communication module, and it is loaded with the necessary program that drives wireless communication module.
Described memory module 332 also can comprise wireless video transmission submodule, it is loaded with the wireless video transmission procedure, described wireless video transmission procedure for client, is used for then that desktop picture is caught, image compression, data send and receive, handle the passback control information; For service end, then be used to receive data, decompressed image, playing image and acquisition control information, send it back transmission control system information.
Above-described wireless communication module 331 can work alone the transmission or the storage that also can cooperatively interact and be used for data separately with memory module 332.
Shown in Fig. 3,4,6, wireless video transmission device is linked to each other with outer computer, the characteristic of utilizing PnP device in computer system, to move automatically, wireless video transmission device moves the driven element module of memory module 332 automatically to drive wireless communication module 331, automatically detect wireless communication module 331 and configuration parameter, the wireless video transmission submodule that moves memory module 332 automatically carries out the wireless video transmission:
When outer computer during as client, outer computer carries out that desktop picture is caught, image compression, and image compression data sent to service end by connectivity port 310, USB device control module 320, wireless communication module 331 successively, simultaneously, wireless communication module 331 receives the passback control information of service end, and is transferred to the processing of wireless video transmission submodule by USB device control module 320;
When outer computer during as service end, outer computer receives image compression data by wireless communication module 331, USB device control module 320, connectivity port 310 successively, and carry out decompressed image, playing image, perhaps directly image compression data is sent to memory module 332 storages by connectivity port 310, USB device control module 320 successively; Simultaneously, the control information of wireless communication module 331 capture client and return control information.
Shown in Fig. 5,6, link to each other respectively with two outer computers two wireless video transmission devices are corresponding, two outer computers are service end/client each other, carries out the wireless video transmission by above process, then can realize the two-way control of wireless video transmission between service end, the client.
As mentioned above, just can realize the present invention preferably, the foregoing description is preferred embodiment of the present invention only, is not to be used for limiting practical range of the present invention; Be that all equalizations of doing according to content of the present invention change and modification, all contained by claim of the present invention scope required for protection.
Claims (7)
1. wireless video transmission device comprises connectivity port, USB device control module, wireless communication module, memory module; The connectivity port is connected respectively with USB device control module, outer computer, wireless communication module is connected with the USB device control module by USB interface, memory module is connected with the USB device control module by data/address bus, it is characterized in that, described USB device control module comprises the MCU chip.
2. according to the described wireless video transmission device of claim 1, it is characterized in that: described wireless video device also is provided with a power supply changeover device, and this power supply changeover device links to each other with memory module, connectivity port.
3. according to the described wireless video transmission device of claim 1, it is characterized in that: described wireless video device also is provided with indicator light, and described indicator light is connected with the USB device control module.
4. according to the described wireless video transmission device of claim 1, it is characterized in that: described connectivity port includes but not limited to USB port, pcmcia port.
5. according to the described wireless video transmission device of claim 1, it is characterized in that: described memory module also comprises the driven element module of wireless communication module.
6. according to the described wireless video transmission device of claim 5, it is characterized in that: described memory module also comprises wireless video transmission submodule.
7. adopt the wireless video transmission method of the described wireless video transmission device of claim 6, it is characterized in that: wireless video transmission device is linked to each other with outer computer, the characteristic of utilizing PnP device in computer system, to move automatically, wireless video transmission device moves the driven element module of memory module automatically to drive wireless communication module, automatically detect wireless communication module and configuration parameter, the wireless video transmission submodule that moves memory module automatically carries out the wireless video transmission:
When outer computer during as client, outer computer carries out that desktop picture is caught, image compression, and image compression data sent to service end by connectivity port, USB device control module, wireless communication module successively, simultaneously, wireless communication module receives the passback control information of service end, and is transferred to the processing of wireless video transmission submodule by the USB device control module;
When outer computer during as service end, outer computer receives image compression data by wireless communication module, USB device control module, connectivity port successively, and carry out decompressed image, playing image, perhaps directly image compression data is sent to the memory module storage by connectivity port, USB device control module successively; Simultaneously, the control information of wireless communication module capture client and return control information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100288428A CN101106681A (en) | 2007-06-26 | 2007-06-26 | Wireless video transmission device and method |
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| CNA2007100288428A CN101106681A (en) | 2007-06-26 | 2007-06-26 | Wireless video transmission device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625668B (en) * | 2008-07-11 | 2011-04-13 | 航天信息股份有限公司 | High-speed tax device and method for transmitting local side bonded data |
| WO2012171156A1 (en) * | 2011-06-13 | 2012-12-20 | Panovel Technology Corporation | Wireless video streaming using usb connectivity of hd displays |
| WO2014079065A1 (en) * | 2012-11-26 | 2014-05-30 | Li Kai | Parasitic computer and implementation method thereof |
| CN104412542A (en) * | 2012-04-18 | 2015-03-11 | 巴科股份有限公司 | Electronic tool and methods for meetings |
| CN106303314A (en) * | 2016-08-25 | 2017-01-04 | 深圳市宝疆科技有限公司 | A kind of wireless audio and video emitter of USB interface |
| US10050800B2 (en) | 2011-09-14 | 2018-08-14 | Barco N.V. | Electronic tool and methods for meetings for providing connection to a communications network |
| CN109202890A (en) * | 2017-06-30 | 2019-01-15 | 沈阳新松机器人自动化股份有限公司 | A kind of radio operation device and radio operating system for robot |
| US10585814B2 (en) | 2011-09-14 | 2020-03-10 | Barco N.V. | Electronic tool and methods for meetings for communicating media content from users at a meeting |
| US10762002B2 (en) | 2011-09-14 | 2020-09-01 | Barco N.V. | Electronic tool and methods with audio for meetings |
| US10904103B2 (en) | 2011-09-14 | 2021-01-26 | Barco N.V. | Electronic tool and methods for meetings |
| US10965480B2 (en) | 2011-09-14 | 2021-03-30 | Barco N.V. | Electronic tool and methods for recording a meeting |
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2007
- 2007-06-26 CN CNA2007100288428A patent/CN101106681A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625668B (en) * | 2008-07-11 | 2011-04-13 | 航天信息股份有限公司 | High-speed tax device and method for transmitting local side bonded data |
| WO2012171156A1 (en) * | 2011-06-13 | 2012-12-20 | Panovel Technology Corporation | Wireless video streaming using usb connectivity of hd displays |
| US11216392B2 (en) | 2011-09-14 | 2022-01-04 | Barco N.V. | Electronic tool and methods for meetings between multiple users |
| US10762002B2 (en) | 2011-09-14 | 2020-09-01 | Barco N.V. | Electronic tool and methods with audio for meetings |
| US11792085B2 (en) | 2011-09-14 | 2023-10-17 | Barco N.V. | Electronic tool and methods for meetings |
| US11258676B2 (en) | 2011-09-14 | 2022-02-22 | Barco N.V. | Electronic tool and methods for meetings |
| US10050800B2 (en) | 2011-09-14 | 2018-08-14 | Barco N.V. | Electronic tool and methods for meetings for providing connection to a communications network |
| US11422951B2 (en) | 2011-09-14 | 2022-08-23 | Barco N.V. | Electronic tool and methods for meetings between two users |
| US10585814B2 (en) | 2011-09-14 | 2020-03-10 | Barco N.V. | Electronic tool and methods for meetings for communicating media content from users at a meeting |
| US11403237B2 (en) | 2011-09-14 | 2022-08-02 | Barco N.V. | Electronic tool and methods with audio for meetings |
| US10795832B2 (en) | 2011-09-14 | 2020-10-06 | Barco N.V. | Electronic tool for communicating over a communication network |
| US10904103B2 (en) | 2011-09-14 | 2021-01-26 | Barco N.V. | Electronic tool and methods for meetings |
| US10965480B2 (en) | 2011-09-14 | 2021-03-30 | Barco N.V. | Electronic tool and methods for recording a meeting |
| US11151060B2 (en) | 2011-09-14 | 2021-10-19 | Barco N.V. | Electronic tool and methods for meetings for communicating user selected media content |
| CN112769582A (en) * | 2012-04-18 | 2021-05-07 | 巴科股份有限公司 | Electronic tool and method for conferencing |
| CN104412542A (en) * | 2012-04-18 | 2015-03-11 | 巴科股份有限公司 | Electronic tool and methods for meetings |
| US9722986B2 (en) | 2012-04-18 | 2017-08-01 | Barco N.V. | Electronic tool and methods for meetings |
| WO2014079065A1 (en) * | 2012-11-26 | 2014-05-30 | Li Kai | Parasitic computer and implementation method thereof |
| CN106303314A (en) * | 2016-08-25 | 2017-01-04 | 深圳市宝疆科技有限公司 | A kind of wireless audio and video emitter of USB interface |
| CN109202890A (en) * | 2017-06-30 | 2019-01-15 | 沈阳新松机器人自动化股份有限公司 | A kind of radio operation device and radio operating system for robot |
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