CN1615003A - Tv-set with digital medium playing function - Google Patents
Tv-set with digital medium playing function Download PDFInfo
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- CN1615003A CN1615003A CNA2004100363919A CN200410036391A CN1615003A CN 1615003 A CN1615003 A CN 1615003A CN A2004100363919 A CNA2004100363919 A CN A2004100363919A CN 200410036391 A CN200410036391 A CN 200410036391A CN 1615003 A CN1615003 A CN 1615003A
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Abstract
The invention consists of: digital television set and reception demodulator; A/D converter; digital signal interface; strobe; CPU; memory; the circuit of digital processing, format conversion, displaying and audio processing. The CPU is connected with main interface unit. The main interface unit is connected with the digital media displaying unit. The digital media displaying unit consists of the circuits of CPU, digital decoder, power port, slot of storage card or USB interface, SDRAM, FLASH, double track output, YPbPr and ITU-R601 output. The main interface consists of power port, control port, signal output port. The slot of storage cared includes CF card socket and SD,MS,SM,MMC 4 in 1 socket.
Description
Technical field
The invention belongs to the digital television technical field, more particularly relate to the design of the television set that has the Digital Media playing function.
Background technology
Along with the breakthrough of development, digital multimedia technology and the digital TV Broadcasting Techniques of Display Technique, television receiver is transformed into Digital Television by simulated television.Digital Television becomes the main flow of tv product gradually with its superior performance and more function.Performances such as the display mode of Digital Television, acoustics can satisfy the appreciation requirement of the colourful information that the user can provide IT product.Digital Television combines more and more tightr in its development with IT product, it has increased the function of some IT product newly except having the intrinsic function of traditional home appliance, to satisfy the diversified demand of user.Therefore, the content that the television set that use cost is lower is appreciated IT product has become reality.
Summary of the invention
One object of the present invention is exactly to increase the Digital Media playing module to digital television, adopts standard interface, finishes Digital Television and the information flow of main flow digital media storage card at present by it.Another purpose of the present invention is to replenish the digital function of Digital Television, makes its Digital Media that can show and play storage card and USB memory device, and information can be dumped on the miscellaneous equipment.Another object of the present invention is to realize plug-and-play feature, and television set is connected on the USB socket at external equipment under the specific mode of operation can show its content corresponding.A further object of the present invention is to finish system software upgrading by this port, convenient product maintenance later on.
In order to achieve the above object, the present invention includes the Digital Television main body.The Digital Television main body comprises shell and is installed in analog signal reception and circuit such as demodulator circuit, A/D converter, digital signal interface, gating circuit, cpu controller, memory and EEPROM, digital processing circuit, signal format change-over circuit, display and acoustic processing in the shell.Cpu controller is also connecting master interface unit, master interface unit and Digital Media broadcast unit interconnection.The Digital Media broadcast unit comprises CPU and Digital Media decoding circuit, exports and YPP form or ITU-R601 format signal output circuit with power interface, storage card slot or USB interface, SDRAM memory, FLASH memory and the dual-channel audio of CPU and Digital Media decoding circuit interconnection.
The present invention has concentrated Digital Television main body, Digital Media broadcast unit (owing to need be connected with the storage card of television set outside, therefore, this module must be positioned on the ad-hoc location of television cabin, and the digital media storage card socket and USB joint that comprise standard), master interface unit (being positioned on the mainboard of television set internal circuit the circuit that is connected with the Digital Media broadcast unit, the control port that connects comprising the power supply interface, with the Digital Television mainboard, the signal output port that is connected with the Digital Television mainboard) and relevant software communication agreement.
The CPU control whole system operation of Digital Television main body.EEPROM stores the data parameters of the reliable and stable work of some components and parts, uses when initialization data and the refresh data for CPU.Digital processing circuit is the core devices of signal processing, and portion finishes the format conversion and the image effect processing of signal within it, and the signal of handling is with the required form output in display part, rear end.The signal format change-over circuit receives the picture signal of digital processing circuit output, and is converted to the form (DVI or LVDS etc.) that display module needs, reproduced image.Sound treatment circuit receives the voice signal of audio frequency terminal output, and signal is carried out sending loud speaker and earphone sounding after frequency range processing, effect process, the power amplification.Analog signal after analog signal interface receives the analog signal of outside input and exports inter-process, as: the CVBS signal, YPBPR, YCBCR, Y/C, analog rgb, simulated audio signal etc., and can receive and demodulation RF signal, send the A/D change-over circuit to handle.The A/D change-over circuit is finished the Analog-digital conversion of signal, and the digital processing circuit that the digital signal after the conversion is given the rear end carries out signal processing.Digital signal interface receives the digital signal of outside input, as: digital rgb signal, ITU-R601 signal etc.Channel selecting selects 1 the tunnel to send back-end circuit to handle under the control of CPU from the multichannel input signal
Five kinds of storage cards such as the Digital Media broadcast unit can compatible CF, SD, MS, SM, MMC are supported MPEG1-VCD, MPEG2-DVD, MPEG4, JPEG, AVI, multiple digital media signal forms such as the WMA of Microsoft, MP3.Simultaneously, this module also can provide the input and output interface of USB, realizes the transfer of memory card contents.Wherein the CF cartoon is crossed private jack, and SD, MS, SM, mmc card utilize four unification sockets link to each other with player (if use USB interface, can remove above-mentioned dedicated slot from).The Digital Media broadcast unit reads digital media information in the storage card under the control of MCU, at video format---simulation YPbPr form or digital ITU-R601 form and the stereo audio signal that the Digital Signal Processing part becomes present Digital Television to discern, send into the CPU of back stages of digital TV main body to conversion of signals.
Master interface unit comprises power interface, the control port that is connected with the Digital Television mainboard, the signal output port that is connected with the Digital Television mainboard and the relevant software communication agreement that connects with the Digital Television mainboard.The dual-channel audio output of Digital Media broadcast unit is connected by the cpu controller of signal output port with the Digital Television mainboard with YPP form or ITU-R601 format signal output circuit.
This part refers to be positioned on the mainboard of television set internal circuit circuit (comprising power supply circuits, control and communication signal circuit, play signal transmission channel) and the relevant software communication agreement that is connected with the Digital Media playing module.Digital Television provides card reader needed power supply by the interface section, the remote signal that provides card reader to need, card reader provides the importation that outputs signal to Digital Television, simultaneously, and the control of Digital Television reading card device and read the card reader state and partly finish by control line.
The storage card slot of Digital Media broadcast unit is made up of the CF card socket that is installed in the special use on the housing of TV set and SD, MS, SM, MMC four unification sockets.
The circuit of Digital Media broadcast unit and Digital Television main body can be produced on on chip piece or the same circuit board.
The present invention makes digital television be not only traditional receiver, more becomes family multi-media terminal processes display device.It increases the Digital Media playing module to digital television, adopts standard interface, has finished Digital Television and the information flow of main flow digital media storage card at present; It can replenish the digital function of Digital Television, makes its Digital Media that can show and play storage card and USB memory device, and information can be dumped on the miscellaneous equipment; It can realize plug-and-play feature, external equipment is connected on the USB socket of television set to show its content corresponding; It can also finish the upgrading of systems soft ware, the maintenance of product after being convenient to by the corresponding port.It can be widely used in family, the hotels and other places.
Description of drawings
Fig. 1 is a general structure block diagram of the present invention.
Fig. 2 is the block diagram of Digital Media broadcast unit.
Fig. 3 is the schematic diagram of master interface unit.
Fig. 4 is the schematic diagram of storage card slot.
Embodiment
Embodiment 1.A kind of television set that has the Digital Media playing function is as Fig. 1～shown in Figure 4.It comprises the Digital Television main body.The Digital Television main body comprises shell (1) and is installed in circuit (2) in the shell (1).Circuit (2) comprises that analog signal receives and demodulator circuit (3), A/D converter (4), digital signal interface (6), gating circuit (5), cpu controller (9), memory (7) and EEPROM (13), digital processing circuit (8), signal format change-over circuit (10), display (12) and acoustic processing circuit such as (11).Cpu controller (9) is also connecting master interface unit (14), master interface unit (14) and Digital Media broadcast unit (15) interconnection.Digital Media broadcast unit (15) comprises CPU and Digital Media decoding circuit (16), power interface (17), storage card slot or USB interface (18) with CPU and Digital Media decoding circuit (16) interconnection, SDRAM memory (19), FLASH memory (20) and dual-channel audio output (21) and YPP form or ITU-R601 format signal output circuit (22).
Shown in Figure 3, master interface unit (14) comprises power interface (3-1), the control port (3-3) that is connected with the Digital Television mainboard, the signal output port (3-2) that is connected with the Digital Television mainboard and the relevant software communication agreement that connects with the Digital Television mainboard.The dual-channel audio output of Digital Media broadcast unit (15) is connected with the cpu controller (9) of Digital Television mainboard by signal output port (3-2) with YPP form or ITU-R601 format signal output circuit (22).
The interface unit (14) that television set increase Digital Media plays is designed to the interface shape of standard, mainly comprises three parts: power unit (3-1), digital media signal output (3-2), control section (3-3).
Power interface (3-1) is provided+being connected of 5V power supply and ground by the Digital Television main body, makes the Digital Media unit (15) can operate as normal.The output of digital media signal (3-2) is that Digital Media broadcast unit (15) is by reading the digital media file in the storage card, decode and digital processing, finally convert the form (signal of the YPbPr form of output high definition 480P in the present embodiment) that we need to.Control interface (3-3) part provides five tunnel control signals, and wherein 1 the tunnel is remote signal, by the Digital Television main body remote control is received a remote signal that receives and gives Digital Media broadcast unit (15) by this road, and the remote control controlled function is provided.Other four tunnel control signal is general GPIO mouth signal, the four tunnel exports control and reads the state of Digital Media broadcast unit (15) by this in the Digital Television main body.Whether in the present embodiment, CON_1 is the power switch circuit in the control figure media play unit (15), thereby work on power by being changed to high-low level control figure media play unit (15).CON2, CON3, CON4 pass through eight kinds of combinations of high-low level, can provide Digital Media broadcast unit (15) to send eight kinds of state informations, read for the Digital Television main body.
Shown in Figure 4, the storage card slot (18) of Digital Media broadcast unit (15) is made up of the CF card socket (23) that is installed in the special use on the housing of TV set (1) and SD, MS, SM, MMC four unification sockets (24).
Be fixed on television cabin (1) ad-hoc location Digital Media broadcast unit (15) by specific slot (18) can compatible CP, SD, storage cards such as MS, SM, MMC, thereby play the digital media content of storage on it.
The Digital Media broadcast unit (15) of present embodiment 1 and the circuit production of Digital Television main body are on chip piece or same circuit board.
Claims (4)
1. television set that has the Digital Media playing function, it comprises the Digital Television main body, the Digital Television main body comprises shell and the analog signal that is installed in the shell receives and demodulator circuit, A/D converter, digital signal interface, gating circuit, cpu controller, memory and EEPROM, digital processing circuit, the signal format change-over circuit, display and sound treatment circuit, it is characterized in that said cpu controller is also connecting master interface unit, master interface unit and Digital Media broadcast unit interconnection, the Digital Media broadcast unit comprises CPU and Digital Media decoding circuit, power interface with CPU and Digital Media decoding circuit interconnection, storage card slot or USB interface, the SDRAM memory, FLASH memory and dual-channel audio output and YPP form or ITU-R601 format signal output circuit.
2. according to the described television set that has the Digital Media playing function of claim 1, it is characterized in that said master interface unit comprises power interface, the control port that is connected with the Digital Television mainboard, the signal output port that is connected with the Digital Television mainboard and the relevant software communication agreement that connects with the Digital Television mainboard, the dual-channel audio output of Digital Media broadcast unit is connected by the cpu controller of signal output port with the Digital Television mainboard with YPP form or ITU-R601 format signal output circuit.
3. according to claim 1 or the 2 described television sets that have the Digital Media playing function, it is characterized in that the storage card slot of said Digital Media broadcast unit is made up of the CF card socket that is installed in the special use on the housing of TV set and SD, MS, SM, MMC four unification sockets.
4. according to the described television set that has the Digital Media playing function of claim 3, the circuit that it is characterized in that said Digital Media broadcast unit and Digital Television main body can be produced on on chip piece or the same circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100363919A CN1615003A (en) | 2004-11-23 | 2004-11-23 | Tv-set with digital medium playing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100363919A CN1615003A (en) | 2004-11-23 | 2004-11-23 | Tv-set with digital medium playing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1615003A true CN1615003A (en) | 2005-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004100363919A Pending CN1615003A (en) | 2004-11-23 | 2004-11-23 | Tv-set with digital medium playing function |
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| Country | Link |
|---|---|
| CN (1) | CN1615003A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100426850C (en) * | 2005-06-22 | 2008-10-15 | 厦门华侨电子股份有限公司 | TV set setting USB/memory card interface and its software upgrading method |
| CN101951476A (en) * | 2010-10-19 | 2011-01-19 | 冠捷显示科技（厦门）有限公司 | Method fro storing USB (Universal Serial Bus) copyfile by using television with USB interface |
| CN101063937B (en) * | 2006-04-27 | 2011-06-29 | 环达电脑(上海)有限公司 | Digital media converter and medium processing method |
-
2004
- 2004-11-23 CN CNA2004100363919A patent/CN1615003A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100426850C (en) * | 2005-06-22 | 2008-10-15 | 厦门华侨电子股份有限公司 | TV set setting USB/memory card interface and its software upgrading method |
| CN101063937B (en) * | 2006-04-27 | 2011-06-29 | 环达电脑(上海)有限公司 | Digital media converter and medium processing method |
| CN101951476A (en) * | 2010-10-19 | 2011-01-19 | 冠捷显示科技（厦门）有限公司 | Method fro storing USB (Universal Serial Bus) copyfile by using television with USB interface |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |