CN201563186U - Internet radio and television player capable of receiving wireless television signals - Google Patents
Internet radio and television player capable of receiving wireless television signals Download PDFInfo
- Publication number
- CN201563186U CN201563186U CN200920261910XU CN200920261910U CN201563186U CN 201563186 U CN201563186 U CN 201563186U CN 200920261910X U CN200920261910X U CN 200920261910XU CN 200920261910 U CN200920261910 U CN 200920261910U CN 201563186 U CN201563186 U CN 201563186U
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- television signal
- usb
- wireless television
- control unit
- video
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Abstract
The utility model discloses a radio and television player which is used on a computer and is capable of receiving wireless television signals and Internet television and radio signals. The radio and television player consists of a data storage unit, a wireless television signal receiving and demodulating unit, a USB control unit and a USB interface. The radio and television player is used to not only watch Internet television and listen to Internet radio through the computer in places with Internet, but also watch television program content through the wireless way in the places without the Internet.
Description
Technical field
The utility model relates to a kind of TV signal receiver, specifically, relates to a kind of audio-visual rod that receives wireless television signal and Web TV broadcast singal.
Background technology
A kind of " network audio-video rod " product is arranged in the market, constitute by data storage cell and USB interface, wherein data storage cell is made up of FLASH (flash memory chip) and general USB flash disk controller, its FLASH inside solidification has Web TV and broadcasting station site link management playing program, to be somebody's turn to do " network audio-video rod " during use is inserted on the USB socket of computer, operational network TV and broadcast station url management playing program, can teleview or broadcast listening by the Internet network, there is following shortcoming in this product, it can only teleview or broadcast listening in the place that the Internet network signal is arranged, in the place that does not have the Internet network signal, this product just can't teleview or broadcast listening, therefore, there is the place of further improving.
The utility model content
The utility model purpose is to provide a kind of network audio-video rod that receives wireless television signal, not only can watch Web TV and receiving network broadcast in the place that the Internet network is arranged, in the place that does not have the Internet network, can also receive aerial wireless television signal, teleview and broadcast listening by wireless mode.
For achieving the above object, solution of the present utility model is: a kind of network audio-video rod that receives wireless television signal, comprise data storage cell and USB interface, also comprise wireless television signal receiving demodulation unit, described wireless television signal receiving demodulation unit is made up of high frequency input circuit, tuning circuit, channel demodulation circuit circuit that order links to each other, and wireless television signal receiving demodulation unit is connected USB interface with data storage cell by the USB control unit.
Described data storage cell is solidified with Web TV and broadcasting station site link management playing program, when using the utility model to receive Web TV or Web broadcast, USB interface is inserted in the USB jack of computer, connect computer to the Internet network, be solidificated in Web TV and the operation of broadcasting station site link hypervisor in the data storage cell and point to the radio station network address that institute watches or listens to, realize that the Web broadcast TV signal receives and plays, data storage cell also is solidified with the required driver in wireless television signal receiving demodulation unit, when needing to receive wireless television signal, start this driver, can receive aerial wireless television signal, when not using TV and broadcast capability, the utility model data storage cell remaining space can use as USB flash disk.
The beneficial effects of the utility model are, on existing " network audio-video rod " basis, have increased the radiovision receiving function, have enlarged the scope of application of " network audio-video rod ", have increased selling point and use value.
Description of drawings
Fig. 1 is the utility model schematic block circuit diagram;
Fig. 2 is the utility model embodiment one schematic diagram;
Fig. 3 is the utility model embodiment two schematic diagrames.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Fig. 1 is the utility model schematic block circuit diagram, a kind of network audio-video rod that receives wireless television signal, comprise data storage cell 1, wireless television signal receiving demodulation unit 2, USB control unit 3, USB interface 4, Power Management Unit 5, data storage cell 1 is made up of FLASH (flash memory) chip and general USB flash disk controller chip, be solidified with Web TV and broadcasting station site link management playing program in the data storage cell 1, the high frequency input circuit that wireless television signal receiving demodulation unit 2 is linked to each other by order, tuning circuit, channel demodulation circuit is formed, or adopt the single-chip processing television signals IC that is integrated with above-mentioned functions to form, data storage cell 1 is connected with USB interface 4 by USB control unit 3 with wireless television signal receiving demodulation unit 2, Power Management Unit 5 obtains the 5V power supply from USB interface 4, be transformed to and meet the needed supply power voltage in above-mentioned each unit, power supply is provided and working power need not be set in addition by computer when therefore, the utility model is worked.
Fig. 2 is the utility model embodiment one schematic diagram, by having the high-frequency signal input, tuning, channel demodulation, the single-chip processing television signals IC of usb function is (as the SMS11XX series of Israel Siano company, the DIB7770P of France Dicon AS, the TLG2300 of the safe scape science and technology in Shanghai, the LGS-8G77 of the Ling Xun of Tsing-Hua University) constitutes wireless television signal receiving demodulation unit 2, radiofrequency signal is through amplifying, tuning, channel demodulation, the usb signal format conversion, by usb signal port DM-A, DP-A is connected to the DM1 of USB control unit 3, the DP1 port, FLASH chip and general USB flash disk controller chip are formed data storage cell 1, the usb signal port DM-B of general USB flash disk controller chip, DP-B is connected to the DM2 of USB control unit 3, the DP2 port, the D+ of USB control unit 3, the D-port links to each other with USB interface 4 data terminals, the described USB control unit 3 of this embodiment is finished by USB interface extended chip (be the USBHUB chip, create the only GL850 or the IC of the same type of company as Taiwan).The course of work of present embodiment is summarized as follows: computer is selected data memory cell 1 and wireless television signal receiving demodulation unit 2 by USB control unit 3 (USB interface extended chip) and is controlled, move relative program as required, finish reception, the signal data transmission course of Web TV, Web broadcast or radiovision.
Fig. 3 is the utility model preferred embodiment two schematic diagrames, the USB control unit 3 of this embodiment adopts Shenzhen power to close the Multifunctional USB video control chip LME2511 of Microtronic A/S's exploitation, LME2511 has Digital Television control, the input of audio frequency and video multiplexed signals stream, FLASH reads and writes control, input and output of FLASH parallel data and USB control transmission function, comprise special-purpose audio frequency and video multiplex data input port and FLASH parallel data port, adopt the LME2511 control chip that the utility model circuit is simplified, save general USB flash disk controller IC and USB interface extended chip among the embodiment one, the processing television signals IC that constitutes wireless television signal receiving demodulation unit 2 does not need the USB interface output function yet, can directly adopt such as IF-303, DIB7070P, the processing television signals IC of exportable TS such as LGS-8G75 or MSF audio frequency and video multiplex data signal.As shown in Figure 3, the audio frequency and video multiplex data input port of LME2511 links to each other with wireless television signal receiving demodulation unit 2 audio frequency and video multiplex data ports, the radio television signal that wireless television signal receiving demodulation unit 2 receives, through amplification, tuning, channel demodulation, output TS or MSF audio frequency and video multiplex data signal, this multiplex data signal comprises compressed audio frequency, video data, audio frequency and video multiplex data signal is entered by LME2511 audio frequency and video multiplex data input port, carries out the usb signal format conversion in LME2511 inside.The FLASH parallel data port of LME2511 connects the parallel data port of the FLASH chip of data storage cell 1, for the transmission of FLASH chip parallel data signal provides passage.The D+ of LME2511, D-port link to each other with USB interface 4.The present embodiment course of work is as follows: computer sends work order by USB interface 4 to LME2511, LME2511 sends wireless television signal by the I2C holding wire to wireless television signal receiving demodulation unit 2 and searches work orders such as platform receiving signal demodulation, and reception comes from the audio frequency and video multiplex data of wireless television signal receiving demodulation unit 2, be transferred to computer by USB interface 4, under the effect of computer picture playout software demultiplexing, restore television image, LME2511 also sends the read-write control command by FLASH control signal port to the FLASH of data storage cell 1 chip, by the FLASH parallel data port Web TV and Web broadcast radio station site link hypervisor data are read FLASH, cross the Internet network linking to corresponding website by the computer expert, finish the TV signal receiving course.
The USB control unit 3 of present embodiment also can adopt Shenzhen to cause the DM1305USB video control chip of core Microtronic A/S exploitation, or the EM2888USB video control chip that adopts Taiwan standing grain Rhea to develop, DM1305, EM2888 and LME2511 have essentially identical function, and just signal pins is different.
The USB control unit 3 of present embodiment can also adopt SM324 binary channels USB flash disk control chip or its upgrading chip of Silicon Motion, SM324U dish control chip has 2 FLASH parallel data ports, pass through software setting, the FLASH parallel data port of SM324 is defined as the audio frequency and video multiplex data input port of wireless television signal receiving demodulation unit 2, another FLASH parallel data port connects the FLASH chip of data storage cell 1, audio frequency and video multiplex data and FLASH parallel data are in the inner usb signal format conversion that realizes of SM324, by with SM324USB signal end D+, D-is connected to USB interface 4, thereby realizes and LME2511, the DM1305 identical functions.
Below in conjunction with the accompanying drawings and embodiments the utility model is described in detail; the foregoing description only is the preferred embodiment for proving absolutely that the utility model is lifted; the utility model also has other various embodiments; do not deviating under the utility model spirit and the real situation; those of ordinary skill in the art can make various corresponding changes or distortion according to the utility model; these changes or distortion all should belong to the utility model claims protection range; simultaneously; the utility model is not done any restriction to the television signal standards that is received; those skilled in the art can be according to market and cost location; be other processing television signals IC of wireless television signal receiving demodulation configuration of cells; thereby reach the purpose that receives different television signals, and this is changed to the utility model and contains.
Claims (6)
1. network audio-video rod that can receive wireless television signal, comprise data storage cell and USB interface, it is characterized in that: also comprise wireless television signal receiving demodulation unit, described wireless television signal receiving demodulation unit is made up of high frequency input circuit, tuning circuit, channel demodulation circuit that order links to each other, and wireless television signal receiving demodulation unit is connected USB interface with data storage cell by the USB control unit;
Described data storage cell is solidified with Web TV and Web broadcast radio station site link management playing program.
2. the network audio-video rod that receives wireless television signal according to claim 1, it is characterized in that: described USB control unit is a USB interface extended chip, usb signal port DM-A, the DP-A of wireless television signal receiving demodulation unit connects DM1, the DP1 port of USB control unit, usb signal port DM-B, the DP-B of data storage cell connects DM2, the DP2 port of USB control unit, and the D+ of USB control unit, D-signal port link to each other with the USB interface data terminal.
3. the network audio-video rod that receives wireless television signal according to claim 1, it is characterized in that: described USB control unit comprises audio frequency and video multiplex data input port and FLASH parallel data port, described audio frequency and video multiplex data input port is connected with wireless television signal receiving demodulation single vowel video multiplex FPDP, described FLASH parallel data port is connected with data storage cell FLASH chip parallel data port, and wireless television signal receiving demodulation single vowel video multiplex data-signal passes through with data storage cell FLASH parallel data signal and is connected USB interface after the USB control unit is transformed to the usb signal form.
4. according to claim 1 or the 3 described network audio-video rods that receive wireless television signal, it is characterized in that: described USB control unit is the LME2511 chip.
5. according to claim 1 or the 3 described network audio-video rods that receive wireless television signal, it is characterized in that: described USB control unit is the DM1305 chip.
6. according to claim 1 or the 3 described network audio-video rods that receive wireless television signal, it is characterized in that: described USB control unit is the SM324 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920261910XU CN201563186U (en) | 2009-12-25 | 2009-12-25 | Internet radio and television player capable of receiving wireless television signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920261910XU CN201563186U (en) | 2009-12-25 | 2009-12-25 | Internet radio and television player capable of receiving wireless television signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201563186U true CN201563186U (en) | 2010-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920261910XU Expired - Fee Related CN201563186U (en) | 2009-12-25 | 2009-12-25 | Internet radio and television player capable of receiving wireless television signals |
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| Country | Link |
|---|---|
| CN (1) | CN201563186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102932682A (en) * | 2011-08-09 | 2013-02-13 | 上海广电电子科技有限公司 | Internet TV stick |
-
2009
- 2009-12-25 CN CN200920261910XU patent/CN201563186U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102932682A (en) * | 2011-08-09 | 2013-02-13 | 上海广电电子科技有限公司 | Internet TV stick |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20121225 |