CN201319638Y - Device for expanding digital television function of mobile terminal - Google Patents
Device for expanding digital television function of mobile terminal Download PDFInfo
- Publication number
- CN201319638Y CN201319638Y CNU2008201331694U CN200820133169U CN201319638Y CN 201319638 Y CN201319638 Y CN 201319638Y CN U2008201331694 U CNU2008201331694 U CN U2008201331694U CN 200820133169 U CN200820133169 U CN 200820133169U CN 201319638 Y CN201319638 Y CN 201319638Y
- Authority
- CN
- China
- Prior art keywords
- wireless
- module
- digital television
- program
- wireless module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a device for expanding the digital television function of a mobile terminal. The device comprises a digital signal wireless transmitting device (100) and a mobile terminal (200), wherein, the digital signal wireless transmitting device (100) and the mobile terminal (200) are connected through a wireless link; the digital signal wireless transmitting device (100) comprises a digital television signal demodulation module (101), a control module (102) and a wireless module (103 which are connected sequentially; the digital television signal demodulation module (101) receives digital television signals and demodulates the signals into packet elementary stream (PES) data; the control module (102) receives the PES data and encapsulates the data into a wireless transmission packet; the wireless module (103) receives the wireless transmission packet and sends the wireless transmission packet to a wireless network; the mobile terminal comprises a wireless module (201) and a baseband processing module (202) which are connected with each other; the wireless module (201) receives the wireless transmission packet from the wireless network; and the baseband processing module (202) de-multiplexes and decodes the wireless transmission packet, and acquires decoded digital television signals. The utility model expands the digital television program receiving function of the mobile terminal, so as to meet the users' requirement for a multifunctional mobile terminal and enable the mobile terminal to receive digital television signals through a short-range wireless network.
Description
Technical field
The utility model relates to the mobile communication technology field, relates in particular to a kind of device of expanding the mobile terminal digital television function.
Background technology
Along with the development of digital television techniques, Digital Television has progressed into family; Wireless network card and increasing portable terminal such as mobile phone, MP4 player promptly can be play MPEG 4 (MovingPictures Experts Group simultaneously, dynamic image expert group) player of file, PDA (Personal DigitalAssistant, personal digital assistant), the extensive use of computer etc., make the user can use watching television programs by mobile terminal, meet consumers' demand.
At present, when using digital TV set-top box to watch the cable digital TV program in the family, can only and one tunnel TV programme can only be watched at one time, the demand that many people watch the different digital TV programme simultaneously can not be satisfied by TV watching.
The utility model content
The technical problems to be solved in the utility model provides a kind of device of expanding the mobile terminal digital television function, can make portable terminal pass through the short-distance radio network receiving digital television signal, strengthens user experience.
In order to address the above problem, the utility model provides a kind of device of expanding the mobile terminal digital television function, comprise the digital signal wireless launcher 100 and the portable terminal 200 that connect by Radio Link, described digital signal wireless launcher 100 comprises digital television signal demodulation module 101, control module 102 and the wireless module 103 that links to each other successively, and described portable terminal comprises continuous wireless module 201 and baseband processing module 202; Digital television signal demodulation module 101 is used for receiving digital television signal, and is demodulated to the packetized elementary stream data, is sent to control module 102; Control module 102 is sent to wireless module 103 after being used to receive described packetized elementary stream data and it being packaged into transmission packets; Wireless module 103 is used to receive described transmission packets and sends it to wireless network; Wireless module 201 is used for receiving described transmission packets from wireless network and is forwarded to baseband processing module 202; Baseband processing module 202 is used for described transmission packets is carried out demultiplexing and decoding, obtains decoded digital television signal.
Further, digital television signal demodulation module 101 comprises Digital Television interface 111, tuner 112, quadrature amplitude modulation demodulator 113, the transmission flow demultiplexing device 114 that links to each other successively; Control module 102 also links to each other with transmission flow demultiplexing device 114 with quadrature amplitude modulation demodulator 113.
Further, described digital signal wireless launcher also comprises respectively and transmission flow demultiplexing device 114 and the first-in first-out buffer that control module 102 is connected, is used to finish the buffering to transmission flow demultiplexing device 114 dateouts.
Further, also comprise the initialization unit that the initialization that is used to finish quadrature amplitude modulation demodulator 113, transmission flow demultiplexing device 114, wireless module 103 is provided with in the control module 102.
Further, baseband processing module 202 comprises that network connects and sets up the unit, is used for sending the wireless network connection messages by wireless module 201; And after receiving wireless network connection response message, set up network and connect; Control module 102 comprises that network connects and sets up the unit, after being used for receiving the wireless network connection message by wireless module 103, sends wireless networks to wireless module 103 and connects response messages.
Further, baseband processing module 202 comprises the program information table acquiring unit, is used for sending listing information by wireless module 201 and obtains message; Control module 102 comprises the program information table transmitting element, be used for obtaining message by wireless module 103 program receiving table information, from the transmit flow data of quadrature amplitude modulation demodulator 113 outputs, extract listing information, send this listing information by wireless module 103.
Further, baseband processing module 202 comprises program selection unit, is used for selecting to send program by wireless module 201 according to the user and selects message, carries the user selected program code therein; Control module 102 comprises the program data transmitting element, be used for selecting message by wireless module 103 program receivings, from the packetized elementary stream of transmission flow demultiplexing device 114 output, extract the packetized elementary stream of respective program according to the user selected program code, and send by wireless module 103 after the packetized elementary stream of this program is packaged into digital television program wireless data transmission bag.
Further, comprise the finishing control unit in the control module 102, be used for by wireless module 103 receive stop to receive message after, stop to extract the packetized elementary stream of digital television program.
Further, described portable terminal also comprises display module 203 and the loud speaker 204 that links to each other with baseband processing module 202.
The utility model makes full use of very ripe decoding technique and wireless communication technology in technology that existing technology for example received and handled digital television signal in the set-top box, the portable terminal, the function of the receiving digital television program of expansion portable terminal, satisfy the user to the multi-functional demand of portable terminal, can make portable terminal pass through the short-distance radio network receiving digital television signal, and satisfy the demand that many people watch the different digital TV programme simultaneously, be particularly useful for the environment for use of zonules such as home environment.
Description of drawings
Fig. 1 is the structure chart of the device of expansion mobile terminal digital television function in the utility model.
Embodiment
As shown in Figure 1, the device of expansion mobile terminal digital television function comprises digital signal wireless launcher 100 and portable terminal 200 in the utility model;
Digital signal wireless launcher 100, be used to receive digital catv signal, be demodulated into MPEGTS (transfer stream, transport stream), and from then on extract PES (the Packetized Elementary Stream of respective program in the MPEG TS stream, packetized elementary stream) code stream is packaged into transmission packets, sends to portable terminal by wireless module 103;
Portable terminal 200 is used for the digital television signal that sends by wireless module receiving digital signals wireless launcher 100, and the corresponding digital TV programme is play in this digital signal back of decoding.This portable terminal can be mobile devices such as mobile phone, MP4 player, computer and personal digital assistant.
Described digital signal wireless launcher 100 comprises: the digital television signal demodulation module 101 of Xiang Lianing, control module 102 and wireless module 103 successively; Digital television signal demodulation module 101 comprises Digital Television interface 111, tuner 112, quadrature amplitude modulation demodulator 113, the transmission flow demultiplexing device 114 that links to each other successively; Control module 102 also links to each other with transmission flow demultiplexing device 114 with quadrature amplitude modulation demodulator 113;
Digital television signal demodulation module 101 is used for receiving digital television signal, and is demodulated to the packetized elementary stream data;
Quadrature amplitude modulation demodulator 113 is used for quadrature amplitude modulation signal is carried out demodulation, output mpeg transport stream data; Mpeg transport stream data herein can be MPEG2 transmit flow data or MPEG4 transmit flow data;
Transmission flow demultiplexing device 114 is used for extracting from transmit flow data packetized elementary stream (PES) data of digital television program;
Also comprise in the control module 102: initialization unit, network connect sets up the unit, program information table transmitting element, program data transmitting element, finishing control unit;
Initialization unit is used to finish the initialization setting of quadrature amplitude modulation demodulator 113, transmission flow demultiplexing device 114, wireless module 103;
Network connects sets up the unit, is used to receive the wireless network connection message that wireless module 103 sends, and sends wireless network connection response message to wireless module 103;
The program information table transmitting element is used for obtaining message by wireless module 103 program receiving table information, extracts listing information from the transmit flow data of quadrature amplitude modulation demodulator 113 outputs, sends this listing information to wireless module 103;
The program data transmitting element, be used for selecting message by receiving wireless module 103 program receivings, from the PES code stream of transmission flow demultiplexing device 114 output, extract the PES code stream of respective program according to the user selected program code, and send by wireless module 103 after the PES code stream of this program is packaged into digital television program wireless data transmission bag;
The finishing control unit is used to receive that wireless module 103 sends stops to receive message, stops to extract the PES code stream of respective program.
In another embodiment, described digital signal wireless launcher also comprises first-in first-out buffer 117, between connection and transmission flow demultiplexing device 114 and the control module 102, finishes the buffering to the PES code stream, guarantees the real-time Transmission of PES code stream.
Portable terminal 200 comprises wireless module 201, baseband processing module 202, the display module 203 that links to each other successively, also comprises the loud speaker 204 that links to each other with baseband processing module 202;
Network connects sets up the unit, is used for sending the wireless network connection message by wireless module 201, sets up network and connects; And after receiving wireless network connection response message, set up network and connect;
The program information table acquiring unit is used for sending listing information by wireless module 201 and obtains message; So that obtaining listing information, the user is used to select its programs of interest;
Program selection unit is used for selecting to send program to wireless module 201 according to the user and selects message, carries the user selected program code therein;
The finishing control unit is used for stopping to receive message according to user's needs to wireless module 201 transmissions.
Display module 203 is used to show the vision signal of digital television program;
When portable terminal was computer, baseband processing module 202 was the CPU of computer, and display module 203 is the display of computer; When portable terminal was mobile phone or MP4, display module 203 was the LCD display module.
The wireless module 102 of digital signal wireless launcher 100 and the wireless module 201 of portable terminal 200, all support WLAN (Wireless Local Area Network, radio local network) wireless communication technology such as technology or Bluetooth technology, but the utility model is not limited thereto two kinds of wireless communication technologys, can also be other general wireless data transmission technology; When wireless module 102 and wireless module 201 carry out transfer of data by WLAN, can connect, by the form interactive digital television program data of UDP bag by the mode of Socket; When wireless module 102 and wireless module 201 carry out transfer of data by bluetooth, need between the two by carrying out data interaction again after the binding.
Increase a plurality of quadrature amplitude modulation demodulators 113 in the Digital Television wireless launcher, can when a plurality of portable terminals are asked different program datas simultaneously by identical or different wireless transmission method, satisfy the demand that a plurality of portable terminals are watched program simultaneously.
Device of the present utility model, realized the digital catv signal demodulation, transmit by wireless network after digital tv encoder data encapsulation after the demodulation become transmission packets, after portable terminal receives transmission packets, the digital tv encoder data back of decoding is play; Realize the function of the receiving digital television program of expansion portable terminal, satisfy the user to the multi-functional demand of portable terminal, especially in home environment,, can satisfy the demand that many people watch the different digital TV programme simultaneously by a digital tv wireless emitter.
This device makes full use of very ripe decoding technique and wireless communication technology in technology that existing technology for example received and handled digital television signal in the set-top box, the portable terminal, and the function of the receiving digital television program of expansion portable terminal is simple and easy to realize.
The utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the utility model, and these change and be out of shape the protection range that all should belong to the appended claim of the utility model accordingly.
Claims (9)
1, a kind of device of expanding the mobile terminal digital television function, it is characterized in that, comprise the digital signal wireless launcher (100) and the portable terminal (200) that connect by Radio Link, described digital signal wireless launcher (100) comprises digital television signal demodulation module (101), control module (102) and the wireless module (103) that links to each other successively, and described portable terminal comprises continuous wireless module (201) and baseband processing module (202);
Digital television signal demodulation module (101) is used for receiving digital television signal, and is demodulated to the packetized elementary stream data, is sent to control module (102);
Control module (102) is sent to wireless module (103) after being used to receive described packetized elementary stream data and it being packaged into transmission packets;
Wireless module (103) is used to receive described transmission packets and sends it to wireless network;
Wireless module (201) is used for receiving described transmission packets from wireless network and is forwarded to baseband processing module (202);
Baseband processing module (202) is used for described transmission packets is carried out demultiplexing and decoding, obtains decoded digital television signal.
2, device as claimed in claim 1 is characterized in that,
Digital television signal demodulation module (101) comprises Digital Television interface (111), tuner (112), quadrature amplitude modulation demodulator (113), the transmission flow demultiplexing device (114) that links to each other successively; Control module (102) also links to each other with transmission flow demultiplexing device (114) with quadrature amplitude modulation demodulator (113).
3, device as claimed in claim 2 is characterized in that,
Described digital signal wireless launcher also comprises respectively and transmission flow demultiplexing device (114) and the first-in first-out buffer that control module (102) is connected, is used to finish the buffering to transmission flow demultiplexing device (114) dateout.
4, as claim 2 or 3 described devices, it is characterized in that,
Also comprise the initialization unit that the initialization that is used to finish quadrature amplitude modulation demodulator (113), transmission flow demultiplexing device (114), wireless module (103) is provided with in the control module (102).
5, as claim 2 or 3 described devices, it is characterized in that,
Baseband processing module (202) comprises that network connects and sets up the unit, is used for sending the wireless network connection message by wireless module (201); And after receiving wireless network connection response message, set up network and connect;
Control module (102) comprises that network connects and sets up the unit, after being used for receiving the wireless network connection message by wireless module (103), sends wireless network to wireless module (103) and connects response message.
6, as claim 2 or 3 described devices, it is characterized in that,
Baseband processing module (202) comprises the program information table acquiring unit, is used for sending listing information by wireless module (201) and obtains message;
Control module (102) comprises the program information table transmitting element, be used for obtaining message by wireless module (103) program receiving table information, from the transmit flow data of quadrature amplitude modulation demodulator (113) output, extract listing information, send this listing information by wireless module (103).
7, as claim 2 or 3 described devices, it is characterized in that,
Baseband processing module (202) comprises program selection unit, is used for selecting to send program by wireless module (201) according to the user and selects message, carries the user selected program code therein;
Control module (102) comprises the program data transmitting element, be used for selecting message by wireless module (103) program receiving, from the packetized elementary stream of transmission flow demultiplexing device (114) output, extract the packetized elementary stream of respective program according to the user selected program code, and send by wireless module (103) after the packetized elementary stream of this program is packaged into digital television program wireless data transmission bag.
8, as claim 2 or 3 described devices, it is characterized in that,
Control module comprises the finishing control unit in (102), be used for by wireless module (103) receive stop to receive message after, stop to extract the packetized elementary stream of digital television program.
9, as claim 1,2 or 3 described devices, it is characterized in that,
Described portable terminal also comprises display module (203) and the loud speaker (204) that links to each other with baseband processing module (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201331694U CN201319638Y (en) | 2008-09-19 | 2008-09-19 | Device for expanding digital television function of mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201331694U CN201319638Y (en) | 2008-09-19 | 2008-09-19 | Device for expanding digital television function of mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201319638Y true CN201319638Y (en) | 2009-09-30 |
Family
ID=41198395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201331694U Expired - Lifetime CN201319638Y (en) | 2008-09-19 | 2008-09-19 | Device for expanding digital television function of mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201319638Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103313110A (en) * | 2012-03-13 | 2013-09-18 | 联想(北京)有限公司 | Media device and information processing method |
| CN105611201A (en) * | 2016-01-28 | 2016-05-25 | 广州易迩达电子有限公司 | Portable terrestrial digital television receiving device suitable for mobile terminal |
-
2008
- 2008-09-19 CN CNU2008201331694U patent/CN201319638Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103313110A (en) * | 2012-03-13 | 2013-09-18 | 联想(北京)有限公司 | Media device and information processing method |
| CN103313110B (en) * | 2012-03-13 | 2016-12-14 | 联想(北京)有限公司 | A kind of media device and information processing method |
| CN105611201A (en) * | 2016-01-28 | 2016-05-25 | 广州易迩达电子有限公司 | Portable terrestrial digital television receiving device suitable for mobile terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8677432B2 (en) | System and method for providing a personal broadcasting service using a mobile communication terminal | |
| CN101272325B (en) | Family wireless interconnected broadcast base station | |
| CN202009471U (en) | Streaming media edge adapter device based on DVB transmission | |
| CN202617295U (en) | Digital television set-top box mate device | |
| CN103986948A (en) | Three-network integrated dual-mode intelligent set top box | |
| CN103813203A (en) | Family television multi-screen display system | |
| CN101938653A (en) | Method, device and system for acquiring television picture in real time and transmitting to mobile terminal | |
| JP2009524377A (en) | Interactive portable wireless digital TV | |
| CN101577650A (en) | Household palmtop mobile television system | |
| CN103763607A (en) | Television signal sharing method and device | |
| CN101835030A (en) | System and method for watching television programs by mobile terminal | |
| CN102098564A (en) | Method for watching television programs based on wireless fidelity (wi-fi) | |
| CN201319638Y (en) | Device for expanding digital television function of mobile terminal | |
| WO2011160349A1 (en) | Mobile terminal and method for interaction between mobile terminal and network server | |
| CN101848201B (en) | Method and system for sharing multimedia broadcasting program | |
| CN201629804U (en) | Wireless two-way multimedia remote controller | |
| CN102480645B (en) | Digital Cable Television System and the method for data interaction is carried out by wireless terminal | |
| CN201947385U (en) | Video transmission system for transmitting high-definition multimedia interface (HDMI) audio and visual signals | |
| CN103701813A (en) | Method for realizing data dissemination and interaction by combining one-to-all broadcast with bilateral network | |
| CN203416248U (en) | A wireless display terminal | |
| CN203859842U (en) | Telecommunication network, internet, broadcast network integrated dual mode intelligent set top box | |
| US20080192658A1 (en) | Media distribution system with wireless local area network module | |
| CN1972372A (en) | A digital set-top-box with telephone function | |
| CN102469358A (en) | WLAN (Wireless Local Area Network) terminal as well as CMMB (China Mobile Multimedia Broadcasting)/WLAN terminal cooperation method and system | |
| CN101115058A (en) | Client/server multimedia system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090930 |
|
| CX01 | Expiry of patent term |