CN102256117A - Wireless image transmission device and data transmission method thereof - Google Patents
Wireless image transmission device and data transmission method thereof Download PDFInfo
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- CN102256117A CN102256117A CN2010101855634A CN201010185563A CN102256117A CN 102256117 A CN102256117 A CN 102256117A CN 2010101855634 A CN2010101855634 A CN 2010101855634A CN 201010185563 A CN201010185563 A CN 201010185563A CN 102256117 A CN102256117 A CN 102256117A
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Abstract
The invention relates to a wireless image transmission device and a data transmission method thereof. The wireless image transmission device provided by the invention comprises an image processing unit, a wireless network bridge module and a wireless local area network module, wherein the wireless network bridge module comprises a network exchanger and a network connection port; the network exchanger is in signal connection with the network connection port and the image processing unit; the wireless local area network module is in signal connection with the network exchanger; and the wireless local area network module transmits the signals from the image processing unit by utilizing a first type packet and a first frequency range and transmits the signals from the network connection port by utilizing a second type packet and a second frequency range. In the wireless image transmission device according to the invention, thus the network data can be mutually connected with an external network through the network connection port and the audio data can be transmitted to an audio display device through the wireless local area network module. Compared with the prior art, the invention provides the device and method having the functions of wireless image transmission and wireless internet surfing.
Description
Technical field
The present invention relates to a kind of image transmission and data transmission method thereof, particularly a kind of wireless image transmitting device and data transmission method thereof.
Background technology
Traditionally, media product can export image to display by video signal cable or wireless network.As shown in Figure 1, Fig. 1 is a kind of schematic diagram of known wireless image transmitting device.One video playing device 13 is by video signal cable output audio-visual data to a wireless launcher 11, wireless launcher 11 with the audio-visual data that receives by wireless network transmissions to a radio receiver 12.Radio receiver 12 receives behind the audio-visual data according to itself and a phonotape and videotape from wireless network and presents the form that form that device 14 is connected is selected audio-visual data output, and for example: radio receiver 12 transfers to a display by high image quality definition multimedia interface (HDMI) holding wire or S terminal signals line with audio-visual data and shows.
Traditionally, wireless launcher or the radio receiver used for video transmission do not have integration networks exchange or functions such as bridge joint or route, its only be by wireless network simple carry out audio-visual data transmission between point-to-point, for the user, if the WLAN of wanting cloth to build power supply brain or personal digital assistant use still need additionally be added structure wireless network broadband Wireless Router or router.
Summary of the invention
Purpose of the present invention is for providing a kind of wireless image transmitting device and data transmission method thereof that can transmit network data simultaneously and transmit the view data of playing for image playing device.
For reaching above-mentioned purpose, comprise graphics processing unit, wireless network bridge module and wireless local area network module according to a kind of wireless image transmitting device of the present invention.The wireless network bridge module comprises network switch and network connection port, and the network switch signal connects network connection port and graphics processing unit; The wireless local area network module signal is connected in network switch, wherein wireless local area network module is used first kind package and first band transmissions signal from graphics processing unit, and uses second type packets and second band transmissions signal from network connection port.
In an embodiment of the present invention, graphics processing unit electrically connects video playing device by signal connecting line.
In an embodiment of the present invention, wireless local area network module transfers to WLAN with the first kind package and second type packets.
In an embodiment of the present invention, be to come from terminal installation or external network from the signal of network connection port, be to come from video playing device from the signal of graphics processing unit.
In an embodiment of the present invention, wireless local area network module is followed the running of Wi-Fi standard, and first frequency range is the defined frequency range of IEEE 802.11a, and second frequency range is the defined frequency range of IEEE 802.11g.
In an embodiment of the present invention, the first kind package and second type packets comprise user's data flow communication agreement (User Datagram Protocol, UDP) package and transmission control protocol (TransmissionControl Protocol, TCP) package.
In an embodiment of the present invention, the wireless image transmitting device also comprises peripheral interface module, and it electrically connects graphics processing unit, and is connected with peripheral unit.
In an embodiment of the present invention, set up the emulation line between the terminal installation of WLAN and the peripheral unit, make terminal installation peripheral unit is recognized as the device of peripheral interface specification.
Data transmission method according to a kind of wireless image transmitting device of the present invention comprises following steps.Reception is from the signal of graphics processing unit and from the signal of network connection port; Use the first kind package and first frequency range by the signal of wireless network transmissions from graphics processing unit; And use second type packets and second frequency range by the signal of wireless network transmissions from network connection port.
In an embodiment of the present invention, be to come from terminal installation or external network from the signal of network connection port, be to come from video playing device from the signal of graphics processing unit.
In an embodiment of the present invention, first frequency range is the defined frequency range of IEEE 802.11a, and second frequency range is the defined frequency range of IEEE 802.11g.
In an embodiment of the present invention, the first kind package and second type packets comprise UDP package and TCP package.
In an embodiment of the present invention, transfer to phonotape and videotape from the signal of graphics processing unit by wireless network and present device, from the signal of network connection port by wireless network transmissions to terminal installation.
In an embodiment of the present invention, data transmission method also comprises and follows the peripheral interface specification and connect peripheral unit.
In an embodiment of the present invention, data transmission method also is included between the terminal installation of WLAN and the peripheral unit and sets up the emulation line, makes terminal installation peripheral unit is recognized as the device of peripheral interface specification.
In sum, because of according among the wireless image transmitting device of the present invention, network data can interconnect via network connection port and external network, and audio-visual data can be sent to phonotape and videotape via wireless local area network module and presents device.With known art, the invention provides a kind of device and method that possesses wireless image transmission and wireless networking capabilities.
Description of drawings
Fig. 1 is a kind of schematic diagram of known wireless image transmitting device;
Fig. 2 is the schematic diagram according to a kind of wireless image transmitting device of preferred embodiment of the present invention; And
Fig. 3 is the flow chart according to a kind of wireless image transmitting device data receiving processing method of preferred embodiment of the present invention.
Embodiment
Hereinafter with reference to relevant drawings, a kind of wireless image transmitting device according to preferred embodiment of the present invention is described, wherein components identical will be illustrated with identical reference marks.
See also shown in Figure 2ly, Fig. 2 is the schematic diagram according to a kind of wireless image transmitting device of preferred embodiment of the present invention.Wireless image transmitting device 2 comprises graphics processing unit 21, wireless network bridge module 22 and wireless local area network module 23.Wireless network bridge module 22 comprises network switch 221 and at least one network connection port.In the present embodiment, wireless network bridge module 22 comprises a plurality of network connection ports 222,223, network switch 221 signals connect network connection port 222,223 and graphics processing unit 21, and wireless local area network module 23 signals are connected in network switch 221.Wireless local area network module 23 is used first kind packages and first band transmissions signal D1 from graphics processing unit 21, and uses second type packets and second band transmissions signal D2 from network connection port 222.In the present embodiment, the signal D1 of graphics processing unit comes from video playing device 25, and the signal D2 of network connection port comes from an external network EN.
External network EN transmitting network data is to network connection port 222, and network connection port 222 is connected to network switch 221, and network data transfers to wireless local area network module 23 by network switch 221.
Wireless local area network module 23 signals are connected in network switch 221, it receives from the signal D1 of graphics processing unit 21 and the signal D2 of network connection port 222, wherein, wireless local area network module 23 is used first kind packages and first band transmissions signal D1 from graphics processing unit 21, and uses second type packets and second band transmissions signal D2 from network connection port 222.And network switch 221 can pass through first frequency range and second frequency range simultaneously, and the signal D2 that will reach from network connection port from the signal D1 of graphics processing unit transfers to WLAN WN.
Wireless local area network module 23 is followed the running of Wi-Fi standard, and first frequency range is that the defined frequency range of IEEE 802.11a and second frequency range are the defined frequency range of IEEE 802.11g.The first kind package and second type packets are respectively UDP package and TCP package, thus, and can the phase mutual interference from the signal D2 of the signal D1 of graphics processing unit and network connection port, and then improve the transmission rate and the stability of network.
In addition, the signal D3 of network connection port is derived from the terminal installation 26 that is connected in wired local area network LN, and common terminal installation 26 for example is the device that computer, personal digital assistant etc. are loaded with operating system.Terminal installation 26 is connected by wired local area network LN signal with network connection port 223, and utilizes network switch 221 to make terminal installation 26 can receive network data from external network EN, and the user is provided function of surfing the Net.In addition, the network connection port signal D3 from terminal installation also can utilize network switch 221 signals to transfer to wireless local area network module 23.
Radio receiver RX communicates by letter with another terminal installation 27 by WLAN WN.Radio receiver RX can be by the signal D1 of WLAN WN reception from graphics processing unit, and reduction is an audio-visual data from the signal D1 of graphics processing unit, and utilizes another signal connecting line 291 that the signal D1 of graphics processing unit is transferred to phonotape and videotape to present device 29.It for example is the device that can present image and sound simultaneously that phonotape and videotape presents device 29, and common is television set or the monitor with loudspeaker.In addition, it also can be the combination of display unit and public address system that phonotape and videotape presents device 29, for example is monitor and the combination of loudspeaker or the combination of projector and loudspeaker of pure demonstration usefulness.Signal connecting line 291 can be HDMI holding wire or S terminal signals line, and simultaneously output image picture and sound to phonotape and videotape present device 29 for they.Thus, video playing device 25 can be sent to phonotape and videotape with audio-visual data by wireless image transmitting device 2 and WLAN WN and present device 29 and play, and reaches the function of utilizing the wireless network transmissions audio-visual data.
In addition, WLAN WN signal connects another terminal installation 27, and it can receive the network data that comes from external network EN.Certainly, terminal installation 27 also can be by the data of WLAN WN reception sources self terminal device 26.
Wireless image transmitting device 2 has network exchange or functions such as bridge joint or route, 27 of the terminal installation 26 of wired local area network LN and WLAN WN is connected to external network EN by wireless image transmitting device 2, terminal installation thereby have the function of online.
Wireless image transmitting device 2 is except that the function that has the wireless image transmission and get online without being tethered to a cable, and wireless image transmitting device 2 also comprises peripheral interface module 24 and electrically connects graphics processing unit 21, and can be connected with peripheral unit 28.Peripheral unit 28 can be mouse, keyboard or non-volatile random accessing storage devices, and the non-volatile random accessing storage devices for example is flash memory, flash disk or hard disk.
Please refer to shown in Figure 3ly, be the flow chart of a kind of wireless image transmitting device data receiving processing method of preferred embodiment of the present invention.The method comprises step S01～S05.
At first, step S01 comprises reception from the signal of graphics processing unit and from the signal of network connection port.Step S02 judges whether the signal into graphics processing unit.Among the step S03, if the signal of graphics processing unit uses the first kind package and first frequency range by the signal of wireless network transmissions from graphics processing unit.Step S04 judges whether the signal into network connection port.Among the step S05, if the signal of network connection port uses one second type packets and one second frequency range by the signal of wireless network transmissions from network connection port.
That is to say, the method receives an audio-visual data and a network data from a video playing device and an external network respectively, then, utilize different transmission bands to transmit audio-visual data and network data to phonotape and videotape presents device and terminal installation by WLAN.
In addition, data transmission method more comprises to be followed the peripheral interface specification and connects peripheral unit, promptly sets up the emulation line between the terminal installation of WLAN and peripheral unit, makes terminal installation peripheral unit is recognized as the device of peripheral interface specification.As for devices needed in the data transmission method, in the foregoing description, illustrate, do not give unnecessary details at this.
In above embodiment, the wireless image transmitting device has wireless image transmission and network bridging or shares function, the consumer can be simultaneously by WLAN and external network, transmit audio-visual data and network data, avoid phonotape and videotape to play transmitting bandwidth and the mutual interference of network data transmission frequency range phase, the user need not be bought more respectively only have wireless image transmission or network bridging or share the equipment of function.Perhaps, utilize the transmission of wired or wireless LAN, the platform that different terminals device exchanges data is provided or shares.In addition, owing to the emulation line is set up by WLAN, but the PIU peripheral interface unit that makes the non-direct link of terminal installation remote control.
In sum, according among the wireless image transmitting device of the present invention, network data can connect external network through the wireless network bridge module, and network data is sent to the terminal installation that signal connects network connection port, or signal connects the terminal installation of WLAN.Audio-visual data can be sent to phonotape and videotape via wireless network bridge module and wireless local area network module and present device.With known art, the invention provides a kind of device and method that possesses wireless image transmission and wireless networking capabilities.
The above only is an illustrative, but not is restriction.Anyly do not break away from spirit of the present invention and category, and, all should be contained in protection scope of the present invention its equivalent modifications of carrying out or change.
Claims (15)
1. a wireless image transmitting device is characterized in that, comprises:
Graphics processing unit;
The wireless network bridge module comprises network switch and network connection port, and above-mentioned network switch signal connects above-mentioned network connection port and above-mentioned graphics processing unit; And
Wireless local area network module, signal is connected in above-mentioned network switch, wherein above-mentioned wireless local area network module is used first kind package and first band transmissions signal from above-mentioned graphics processing unit, and uses second type packets and second band transmissions signal from above-mentioned network connection port.
2. wireless image transmitting device according to claim 1 is characterized in that above-mentioned graphics processing unit electrically connects video playing device by signal connecting line.
3. wireless image transmitting device according to claim 1 is characterized in that, above-mentioned wireless local area network module transfers to WLAN with above-mentioned first kind package and above-mentioned second type packets.
4. wireless image transmitting device according to claim 1 is characterized in that, above-mentioned signal from above-mentioned network connection port is to come from terminal installation or external network, and above-mentioned signal from above-mentioned graphics processing unit is to come from video playing device.
5. wireless image transmitting device according to claim 1, it is characterized in that, above-mentioned wireless local area network module is followed the running of Wi-Fi standard, and above-mentioned first frequency range is that defined frequency range of IEEE 802.11a and above-mentioned second frequency range are the defined frequency range of IEEE 802.11g.
6. wireless image transmitting device according to claim 1 is characterized in that, above-mentioned first kind package and above-mentioned second type packets are not to use respectively person's data flow communication agreement package and transmission control protocol package.
7. wireless image transmitting device according to claim 1 is characterized in that, above-mentioned wireless image transmitting device also comprises:
Peripheral interface module, it electrically connects above-mentioned graphics processing unit, and connects peripheral unit.
8. wireless image transmitting device according to claim 7 is characterized in that, sets up the emulation line between the terminal installation of WLAN and above-mentioned peripheral unit, makes above-mentioned terminal installation above-mentioned peripheral unit is recognized as the device of peripheral interface specification.
9. the data transmission method of a wireless image transmitting device is characterized in that, comprises:
Reception is from the signal of graphics processing unit and from the signal of network connection port;
Use the first kind package and first frequency range by the signal of wireless network transmissions from above-mentioned graphics processing unit; And
Use second type packets and second frequency range by the signal of above-mentioned wireless network transmissions from above-mentioned network connection port.
10. data transmission method according to claim 9 is characterized in that, above-mentioned signal from above-mentioned network connection port is to come from terminal installation or external network, and above-mentioned signal from above-mentioned graphics processing unit is to come from video playing device.
11. data transmission method according to claim 9 is characterized in that, above-mentioned first frequency range is the defined frequency range of IEEE 802.11a, and above-mentioned second frequency range is the defined frequency range of IEEE 802.11g.
12. data transmission method according to claim 9 is characterized in that, above-mentioned first kind package and above-mentioned second type packets are not to use respectively person's data flow communication agreement package and transmission control protocol package.
13. data transmission method according to claim 9, it is characterized in that, above-mentioned signal from above-mentioned graphics processing unit transfers to phonotape and videotape by above-mentioned wireless network and presents device, above-mentioned signal from above-mentioned network connection port by above-mentioned wireless network transmissions to terminal installation.
14. data transmission method according to claim 9 is characterized in that, above-mentioned data transmission method also comprises:
Follow the peripheral interface specification and connect peripheral unit.
15. data transmission method according to claim 14 is characterized in that, above-mentioned data transmission method also comprises:
Between the terminal installation of above-mentioned WLAN and above-mentioned peripheral unit, set up the emulation line, make above-mentioned terminal installation above-mentioned peripheral unit is recognized as the device of above-mentioned peripheral interface specification.
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| CN2010101855634A CN102256117A (en) | 2010-05-19 | 2010-05-19 | Wireless image transmission device and data transmission method thereof |
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| CN2010101855634A CN102256117A (en) | 2010-05-19 | 2010-05-19 | Wireless image transmission device and data transmission method thereof |
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| CN101180871A (en) * | 2005-02-17 | 2008-05-14 | Lg电子株式会社 | Wireless television system and video display method thereof |
| CN201142693Y (en) * | 2007-12-05 | 2008-10-29 | 深圳宙码通讯有限公司 | WIFI network media device |
| US20090292842A1 (en) * | 2008-05-21 | 2009-11-26 | Huveur Technologies Inc. | Data access device with wireless network application service |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101180871A (en) * | 2005-02-17 | 2008-05-14 | Lg电子株式会社 | Wireless television system and video display method thereof |
| CN1859241A (en) * | 2005-05-08 | 2006-11-08 | 中兴通讯股份有限公司 | Radio local network net bridge, bridging system and its realizing method |
| CN201142693Y (en) * | 2007-12-05 | 2008-10-29 | 深圳宙码通讯有限公司 | WIFI network media device |
| US20090292842A1 (en) * | 2008-05-21 | 2009-11-26 | Huveur Technologies Inc. | Data access device with wireless network application service |
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Application publication date: 20111123 |