CN1874295A - Method and device for down loading wireless digital content in series flow - Google Patents
Method and device for down loading wireless digital content in series flow Download PDFInfo
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- CN1874295A CN1874295A CNA2005100746075A CN200510074607A CN1874295A CN 1874295 A CN1874295 A CN 1874295A CN A2005100746075 A CNA2005100746075 A CN A2005100746075A CN 200510074607 A CN200510074607 A CN 200510074607A CN 1874295 A CN1874295 A CN 1874295A
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Abstract
The apparatus comprises: a processor with an arbitration circuit for use in controlling the download, storage and output of stream media packet; an output unit, electrically connected to said processor, comprising video and audio output; a radio communication module, electrically connected to said processor, for use in connecting radio network and downloading the stream media packet; a memory, electrically connected to said processor, comprising a temporary memory for saving the stream media packet; a input unit, electrically connected to said processor, for use in inputting operation instruction; a communication unit, electrically connected to said processor, for use in making data transmission and charging the battery of apparatus thereof; in the first the stream media packet is temporarily saved in the memory, and then is sequentially displayed by using FIFO principal.
Description
Technical field
A kind of wireless digital content in series flow method for down loading and device thereof refer in particular to the digital content in series flow method for down loading in wireless network, and the device of implementing.
Background technology
In general portable type digital image and sound equipment, as carry-on MP3 player, use wherein its digital audio-video file of storing device for storing such as flash memory (flashmemory) or hard disk, can allow the user enjoy audio-visual amusement at any time.
The audio-visual download mode can be referring to U.S. Patent number US6,085,252 (Device, System andMethod for Real-Time Multimedia Streaming) a kind of real-time multimedia device and crossfire method for down loading are disclosed, after this device receives network packet, through bag processing, packet loss and wrong estimation, can be through transmission and service quality control (Quality of Service again, QoS) mechanism reaches and receives purpose smoothly, at last by player plays.
U.S. Pat 6,665,772 disclose a kind of method of utilizing crossfire or non-crossfire mode storage data, comprising memory address in a organized way, utilize the logic sequence (logical sequence) of two access memory address direction to store crossfire or stream data, redistribute steps such as memory address.
As U.S. Pat 6,263,371 (Method and Apparatus for Seaming of StreamingContent) are described, wherein open serial number (sequence number) or the time stamp (timestamp) of how utilizing differentiated the identification of the bag of separate sources, and then reaches the purpose of real-time download content.In addition, also in its crossfire download apparatus, be provided with one and act on behalf of module (Proxy),, replace with other bag of downloading the source again, make the breach (gap) between data download reduce to minimum so as to the bag that detecting is lost.
By common technology can the awareness network bag processing, crossfire download technology, and wireless communication system, yet the portable digital image and sound equipment that in common technology, is provided, the demand of its storage volume and the digital content file of use are closely bound up, and become one of this important source of installation cost.And its power supply supply becomes the greatest problem of portable type digital image and sound equipment commonly used, when downloading content with wireless mode, wherein wireless communication module becomes its maximum power consumption main cause, and in addition, hard drives drives the main cause that needed electric power also is the usual means power consumption.
At the shortcoming of above-mentioned common technology on data download, electrical source consumption, the invention provides a kind of new wireless digital content in series flow method for down loading and device thereof.
Summary of the invention
An object of the present invention is to provide a kind of wireless digital content in series flow download apparatus, it includes: a processor, comprise an arbitration circuit module, and download, store and the output digital content package so as to the control crossfire; One output unit is electrically connected to this processor, comprises the output of video and audio frequency; One wireless communication module is electrically connected to this processor, so as to online wireless network, with crossfire download digital content bag; One storage element is electrically connected this processor, comprises that one stores the scratch-pad memory of crossfire download digital content bag; One input unit is electrically connected to this processor, instructs so as to input operation; One communication unit is electrically connected to this processor, to carry out transfer of data and this wireless digital content in series flow download apparatus is charged, also so as to on-line network; This storage element provides an a spot of scratch-pad memory, and the digital content package of download promptly is stored in this scratch-pad memory in advance, and plays in real time and consume according to first in first out.
Wireless digital content in series flow download apparatus of the present invention wherein also is provided with an external connection storage apparatus interface, is connected to this wireless digital content in series flow download apparatus so that an external Storage Media to be provided.
Wireless digital content in series flow download apparatus of the present invention after wherein this digital content is downloaded, can be stored in an external Storage Media through this external connection storage apparatus interface.
Wireless digital content in series flow download apparatus of the present invention wherein comprises a control unit in this processor, is electrically connected this storage element and this wireless communication module.
Wireless digital content in series flow download apparatus of the present invention, wherein this control unit comprises the capacity detecting module that an internal storage data stores, detect the capacity status of the data storing of this storage element, when the capacity of data storing arrive or surmount one set go up in limited time, promptly close this wireless communication module, suspend and download; Following prescribing a time limit when capacity consumption to is set then starts this wireless communication module, downloads.
Wireless digital content in series flow download apparatus of the present invention, wherein this processor comprises a decoding unit, so as to being electrically connected this output unit.
Wireless digital content in series flow download apparatus of the present invention, wherein this storage element also comprises a read-only memory.
Wireless digital content in series flow download apparatus of the present invention, wherein this storage element comprises one as the temporary flash memory of data.
Wireless digital content in series flow download apparatus of the present invention, wherein this storage element comprises one as the temporary DRAM (Dynamic Random Access Memory) of data.
Wireless digital content in series flow download apparatus of the present invention, wherein this output unit also comprises a display unit and an audio unit that is connected by an audio interface that connects by a video interface.
Wireless digital content in series flow download apparatus of the present invention wherein also connects a base, connects this wireless digital content in series flow download apparatus by an extended interface of this base, and this base comprises: this extended interface; One power subsystem is electrically connected this extended interface, so that the power supply of this wireless digital content in series flow download apparatus to be provided; One control interface is electrically connected this extended interface, for the interface of Long-distance Control is provided; And a network interface, be electrically connected this extended interface, so that the online of this wireless digital content in series flow download apparatus one cable network to be provided.
Wireless digital content in series flow download apparatus of the present invention wherein also is provided with a communication interface, so as to being connected to a computer system.
Wireless digital content in series flow download apparatus of the present invention, wherein this communication interface is a usb communication port.
Wireless digital content in series flow download apparatus of the present invention, wherein this power subsystem is a rechargeable battery.
Wireless digital content in series flow download apparatus of the present invention, wherein this power subsystem is an external power supply.
Wireless digital content in series flow download apparatus of the present invention, wherein this control interface is an infrared ray Remote interface.
Wireless digital content in series flow download apparatus of the present invention, wherein this control interface is a Bluetooth transmission Remote interface.
Wireless digital content in series flow download apparatus of the present invention, wherein this control interface is a radio remote Remote Control Interface.
Another object of the present invention provides a kind of wireless digital content in series flow method for down loading, be used for a wireless digital content in series flow download apparatus and carry out the crossfire download by one or more servers of digital content that provide, the step of this method for down loading includes: the detecting network online state; Detecting internal storage data storage volume; Start wireless network linking; Carry out wireless crossfire data download; Store this data to one scratch-pad memory; Extract this data with first in first out (FIFO) principle; Decoding back dateout; Judge whether to proceed wireless crossfire data download; And close wireless network linking; Reach the purpose of using the minute quantity internal memory by above-mentioned crossfire method for down loading,, prescribe a time limit, promptly close wireless network linking, suspend and download when capacity arrives or surmounts going up of a setting also by capacity decision whether startup network on-line of detecting the scratch-pad memory data storing; Following prescribing a time limit when capacity consumption to is set then starts wireless network linking, downloads, and reaches the purpose of the power consumption of saving this wireless digital content in series flow download apparatus.
Wireless digital content in series flow method for down loading of the present invention is wherein detected the capacity that the internal storage data of a storage element of this wireless digital content in series flow download apparatus stores.
Wireless digital content in series flow method for down loading of the present invention, wherein this storage element comprises a flash memory or a random access memory.
Wireless digital content in series flow method for down loading of the present invention wherein starts or the step of closing wireless network linking starts or close a wireless communication module of this wireless digital content in series flow download apparatus.
Wireless digital content in series flow method for down loading of the present invention, wherein judge whether to carry out the step of wireless crossfire data download at this, if need download, judge then then whether this wireless network linking starts, if this wireless network linking there is no startup, then start wireless network linking earlier and download again; If this wireless network linking starts, then download.
Description of drawings
Wherein, description of reference numerals is as follows:
Fig. 1 downloads schematic diagram for wireless digital content in series flow of the present invention;
Fig. 2 is a wireless digital content in series flow download apparatus schematic diagram of the present invention;
Fig. 3 is a wireless digital content in series flow download apparatus circuit module schematic diagram of the present invention;
Fig. 4 is wireless digital content in series flow download apparatus circuit of the present invention and base module schematic diagram thereof;
Fig. 5 is a wireless digital content in series flow method for down loading flow chart of the present invention.
The number in the figure explanation
Portable digital-video device 100,100 '
Base (cradle) 20
Display screen 21
Antenna 22
Input interface 23
First audio output interface 24
Control interface 25
Second audio output interface 26
The network port 27
Power port 28
Communication port 29
External connection storage apparatus interface 36
Power subsystem 42
Embodiment
The invention provides and a kind ofly can save that internal memory, real-time audio-video are play, carry-on audio-visual enjoyment, even can take into account the device of copyright protection purpose, promptly propose a kind of wireless digital content in series flow method for down loading and device thereof, comprising following some characteristic:
Utilize a spot of scratch-pad memory;
With the server download digital content of wireless (or wired) crossfire downloading mode by online internet, wherein wireless communication protocol that can comprise such as WiFi (IEEE802.11x), WiMAX (IEEE802.16x), GPRS etc., and wired on-line mode, as ADSL, Cable Modem etc., but be not limited to these
Embodiment;
Produce the audio-visual broadcast of real-time continuous;
This device can allow user's data downloaded remain in external connection storage apparatus, or after broadcast, promptly abandon not retaining data, also can add appropriate authentication mechanism, allow the consumer can see through legal and safe crossfire download mechanism and enjoy carry-on audio and video information, can take into account the purpose of copyright protection;
Utilize the device of wherein detecting the internal storage data storage volume, judge whether to start or close wireless communication module, the purpose that reaches power saving and save the internal memory cost.
Figure 1 shows that the embodiment schematic diagram of wireless digital content in series flow download apparatus of the present invention internet online with it, the graphic server 12a that an online internet 10 is arranged, 12b, 12c, being not limited to provides this digital content by the server on a ground, can be according to network capacity, data throughout (throughput) or mutual redundant considerations such as (service redundancy) are provided with the server 12a of a plurality of online internets 10,12b, 12c, it provides the consumer to utilize portable digital-video device 100,100 ' the digital audio-video content of downloading, be stored in each data in server storehouse 14a, 14b, the digital content of 14c etc., music download as music compression forms such as MP3, also can comprise OGG in addition, WMA, WAV, the music file of compression such as AAC form, MPEG film file for another example, e-book, picture, news, Games Software etc.Above-mentioned portable digital-video device 100,100 ' is with the online internet 10 of wireless or wired mode, its
Embodiment can be referring to Fig. 2.
Schematic diagram shown in Figure 2 comprises two parts, be Portable AV device 100 functions extendible with it, with the base 20 that is connected power supply, portable digital-video device 100 includes the display screen 21 that shows film, image or interactive menu (interactive menu) at least; The antenna 22 that connects wireless network is arranged, and for appearance design, this can be the non-embedded antenna that exposes; Input interface 23 can be made up of a plurality of buttons, or touch-controlled key, even input interface such as phonetic entry; Device 100 is provided with a communication port 29, this can be the communication port of USB interface, so as to connecting the purpose that computer reaches Data Update, transmission etc., also can install 100 to this charges, in addition, this communication port 29 can suitable interface conversion be received the cable network port in not having the environment of wireless network, reach the purpose of on-line network; Other has first audio output interface 24, but lug machine or external stereo set.
And portable digital-video device 100 is connected to base 20 by a connecting interface again, and the preferred embodiment of base 20 can provide one second audio output interface 26, plays wherein digital content so as to using earphone or external sound equipment; Base 20 also includes spider lines port 27, as RJ45 etc., and in not having the environment of wireless network, the network port 27 on-line networks that still can be wired whereby; Alternating current or direct current that 28 of power ports are used to provide external provide power supply to installing 100, and so as to charging; Base 20 also can be provided with control interface 25, utilizes remote controller (not being shown in graphic) that the function of Long-distance Control is provided with radio, infrared ray (IrDA), bluetooth host-host protocols such as (bluetooth).
Shown in Figure 3 then is each functional unit block figure of inside of the embodiment of portable digital-video device 100, and device mainly comprises that (1) be responsible for the processor 30 of processing such as signal input and output, the control of crossfire downloading flow, memory address in 100; (2) output unit 31 that is electrically connected with processor 30; (3) wireless communication module 32 that is electrically connected with processor 30, storage element 33; (4) input unit 34 that is electrically connected with processor 30 etc., input unit 34 input operations instruction whereby; (5) the external connection storage apparatus interface 36 that is electrically connected with processor 30 can be set, this external memory device interface 36 connects for the external Storage Media (as carry-on dish, external hard drive, CD, storage card etc.) that includes digital content is provided, and plays wherein digital content by portable digital-video device 100 of the present invention; And in the other preferred embodiment, download the use with crossfire except that above-mentioned, wireless digital content in series flow download apparatus provided by the present invention also can store the digital content downloaded to external Storage Media for the consumer by this external memory device interface, can allow the consumer that the digital content file of downloading is seen through this external memory device interface according to its download policy decision as digital content supplier and be stored to external Storage Media; (6) communication unit 37 also is set, as coffrets such as USB, IEEE1394, so as to being connected with computer system (not in the displayed map), carry out transfer of data and charge installing 100, also can carry out network on-line not having to receive the cable network port with suitable interface conversion under the environment of wireless network.
Can comprise first storage element 331 in the above-mentioned storage element 33, this can be flash memory (flash memory) or DRAM (Dynamic Random Access Memory) (DRAM), one a spot of temporary memory space is provided, the digital content file of downloading promptly is stored in this first storage element 331 in advance, plays in real time and consumes according to actual state again.Reach with minimum internal memory (seamless) crossfire data download of accomplishing not have seam and listen to or view and admire the purpose of video content service in real time, above-mentioned processor 30 promptly comprises memory address (addressing) ability of storage element, with data in EMS memory storage volume cutting different blocks and setting index (index), and the setting data storage volume upper limit and capacity lower limit and its corresponding address.
Then, wherein control unit 302 comprises internal storage data storage volume detecting mechanism, as the internal storage data storage volume detecting module (not being shown among the figure) that forms with software program or hardware mode, at any time detect the capacity status of the data storing of first storage element 301, when arriving or surmount going up of setting, capacity prescribes a time limit, control unit 302 is promptly closed wireless communication module 32, suspends and downloads; When capacity consumption to the following of setting then starts wireless communication module 32 in limited time, continue to download.Utilize processor constantly to carry out the internal storage data storage volume is detected, see and whether reach the internal storage data storage volume bound that sets, decide and close or open wherein wireless communication module, reach the purpose of the power consumption of saving wireless communication module 32 whereby.Second storage element 332 in the storage element 33 can be a read-only memory (ROM) or static random access memory (SRAM) etc., so as to the embedded OS (OS) that loads wireless digital content in series flow download apparatus of the present invention and its peripheral driver etc.
When digital content file takes out in by storage element 33, wherein after 301 decodings of the decoding unit in the treated device 30 of Ya Suo audio/video file, the image part exports display unit 313 to by the video interface in the output unit 31 311, as install LCD on 100, and the sound part exports audio unit 314 to by audio interface 312, can be by receptions such as earphones.
In addition, the set external connection storage apparatus interface 36 of present embodiment provides external Storage Media to connect portable digital-video device 100 of the present invention, so as to playing the digital content in the external Storage Media, can export digital content stored wherein to output unit 31 in the decoding processing of the decoding unit 301 of treated device 30.
Figure 4 shows that portable digital-video device 100 is connected to the module diagram of an expansion foundation 20 by extended interface 41, includes the extended interface 41 of jockey 100 at least in the base 20; Supply this power subsystem that installs 100 power supplys or charging power 42, so power subsystem 42 can be a rechargeable battery or external power supply (AC/DC); The control interface 44 of Long-distance Control is provided, and it is infrared ray Remote interface, Bluetooth transmission Remote interface or radio remote Remote Control Interface; And at the network interface 45 that does not have to provide under the state of wireless network environment wired on-line network; In addition, also can provide the communication interface 43 (as USB, IEEE1394 etc.) that connects computer system etc.
The flow process of wireless digital content in series flow method for down loading of the present invention please refer to preferred embodiment shown in Figure 5, wherein said for using the method for down loading in the wireless digital content in series flow download apparatus, carry out the crossfire download by one or more servers of digital content that provide, main crossfire is downloaded flow process and is comprised first opening device (step S501), the handling process of wireless digital content in series flow download apparatus inside is then detected network online state, the capacity (step S503) that stores with internal storage data in the storage element afterwards, start wireless network linking, promptly start the wireless communication module (step S505) of this device, after startup, carry out wireless crossfire data download (step S507).
After carrying out the crossfire data download, earlier with data storing in a scratch-pad memory (step S509) of implementing with flash memory or random access memory, again with first in first out (First-in First-out, FIFO) principle, by scratch-pad memory extraction data (step S511), the data that promptly are stored to internal memory earlier can be used earlier and consume, afterwards, real time output data is to output unit 31 (step S513) after decoding, and the consumer can enjoy real-time digital content.Simultaneously, the state (step S515) of data storing in the device inner treater detecting storage element, and the capacity of complying with wherein internal storage data storage uses situation to judge whether data download (step S517), if showing, the capacity that internal storage data stores is lower than following prescribing a time limit of setting, represent that wherein data volume is about to exhaust, then need download, then carry out step S521 and judge wherein whether wireless communication module is opened, if this moment, wireless communication module was in unlatching, then carry out step S507 and following steps, if this moment, wireless communication module was when closing, then carry out the flow process of step S505, comprise the open wireless communication module to step S515, crossfire is downloaded, temporary file, extract data, real-time audio-video output of decoding back and detecting storage element state etc.; If showing, the capacity that internal storage data stores is greater than or equal to going up in limited time of a setting, represent that wherein data volume enough allows this device continue real time output data, promptly need not download, close wireless network linking this moment, promptly close the wireless communication module (step S519) of this device, extract steps such as data, decoding, output but still can carry out simultaneously step S511 and S513 etc., continue to detect the state etc. of data storing in the storage element with step S515.
Above-mentioned implementation content is the preferred embodiment of wireless digital content in series flow method for down loading of the present invention and device thereof, reaches wireless crossfire with the internal memory of minute quantity and downloads, with the purpose of real-time playing digital content.
More than appended graphic only provide with reference to and the explanation usefulness, be not to be used for the present invention is limited.
The above only is a preferable possible embodiments of the present invention, does not therefore limit claim of the present invention, therefore as long as the utilization equivalent structure that specification and diagramatic content of the present invention carried out changes, all in like manner is contained in the scope of the present invention.
Claims (23)
1. wireless digital content in series flow download apparatus includes:
One processor comprises an arbitration circuit module, downloads, stores and the output digital content package so as to the control crossfire;
One output unit is electrically connected to this processor, comprises the output of video and audio frequency;
One wireless communication module is electrically connected to this processor, so as to online wireless network, with crossfire download digital content bag;
One storage element is electrically connected this processor, comprises that one stores the scratch-pad memory of crossfire download digital content bag;
One input unit is electrically connected to this processor, instructs so as to input operation;
One communication unit is electrically connected to this processor, to carry out transfer of data and this wireless digital content in series flow download apparatus is charged, also so as to on-line network;
This storage element provides an a spot of scratch-pad memory, and the digital content package of download promptly is stored in this scratch-pad memory in advance, and plays in real time and consume according to first in first out.
2. wireless digital content in series flow download apparatus as claimed in claim 1 wherein also is provided with an external connection storage apparatus interface, is connected to this wireless digital content in series flow download apparatus so that an external Storage Media to be provided.
3. wireless digital content in series flow download apparatus as claimed in claim 2 after wherein this digital content is downloaded, can be stored in an external Storage Media through this external connection storage apparatus interface.
4. wireless digital content in series flow download apparatus as claimed in claim 1 wherein comprises a control unit in this processor, is electrically connected this storage element and this wireless communication module.
5. wireless digital content in series flow download apparatus as claimed in claim 4, wherein this control unit comprises the capacity detecting module that an internal storage data stores, detect the capacity status of the data storing of this storage element, when the capacity of data storing arrive or surmount one set go up in limited time, promptly close this wireless communication module, suspend and download; Following prescribing a time limit when capacity consumption to is set then starts this wireless communication module, downloads.
6. wireless digital content in series flow download apparatus as claimed in claim 1, wherein this processor comprises a decoding unit, so as to being electrically connected this output unit.
7. wireless digital content in series flow download apparatus as claimed in claim 1, wherein this storage element also comprises a read-only memory.
8. wireless digital content in series flow download apparatus as claimed in claim 1, wherein this storage element comprises one as the temporary flash memory of data.
9. wireless digital content in series flow download apparatus as claimed in claim 1, wherein this storage element comprises one as the temporary DRAM (Dynamic Random Access Memory) of data.
10. wireless digital content in series flow download apparatus as claimed in claim 1, wherein this output unit also comprises a display unit and an audio unit that is connected by an audio interface that connects by a video interface.
11. wireless digital content in series flow download apparatus as claimed in claim 1 wherein also connects a base, connects this wireless digital content in series flow download apparatus by an extended interface of this base, this base comprises:
This extended interface;
One power subsystem is electrically connected this extended interface, so that the power supply of this wireless digital content in series flow download apparatus to be provided;
One control interface is electrically connected this extended interface, for the interface of Long-distance Control is provided; And
One network interface is electrically connected this extended interface, so that the online of this wireless digital content in series flow download apparatus one cable network to be provided.
12. wireless digital content in series flow download apparatus as claimed in claim 11 wherein also is provided with a communication interface, so as to being connected to a computer system.
13. wireless digital content in series flow download apparatus as claimed in claim 12, wherein this communication interface is a usb communication port.
14. wireless digital content in series flow download apparatus as claimed in claim 11, wherein this power subsystem is a rechargeable battery.
15. wireless digital content in series flow download apparatus as claimed in claim 11, wherein this power subsystem is an external power supply.
16. wireless digital content in series flow download apparatus as claimed in claim 11, wherein this control interface is an infrared ray Remote interface.
17. wireless digital content in series flow download apparatus as claimed in claim 11, wherein this control interface is a Bluetooth transmission Remote interface.
18. wireless digital content in series flow download apparatus as claimed in claim 11, wherein this control interface is a radio remote Remote Control Interface.
19. a wireless digital content in series flow method for down loading is used for a wireless digital content in series flow download apparatus and carries out the crossfire download by one or more servers of digital content that provide, the step of this method for down loading includes:
The detecting network online state;
Detecting internal storage data storage volume;
Start wireless network linking;
Carry out wireless crossfire data download;
Store this data to one scratch-pad memory;
Extract this data with first in first out (FIFO) principle;
Decoding back dateout;
Judge whether to proceed wireless crossfire data download; And
Close wireless network linking;
Reach the purpose of using the minute quantity internal memory by above-mentioned crossfire method for down loading,, prescribe a time limit, promptly close wireless network linking, suspend and download when capacity arrives or surmounts going up of a setting also by capacity decision whether startup network on-line of detecting the scratch-pad memory data storing; Following prescribing a time limit when capacity consumption to is set then starts wireless network linking, downloads, to save the power consumption of this wireless digital content in series flow download apparatus.
20. wireless digital content in series flow method for down loading as claimed in claim 19 is wherein detected the capacity that the internal storage data of a storage element of this wireless digital content in series flow download apparatus stores.
21. wireless digital content in series flow method for down loading as claimed in claim 20, wherein this storage element comprises a flash memory or a random access memory.
22. wireless digital content in series flow method for down loading as claimed in claim 19 wherein starts or the step of closing wireless network linking starts or close a wireless communication module of this wireless digital content in series flow download apparatus.
23. wireless digital content in series flow method for down loading as claimed in claim 19, wherein judge whether to carry out the step of wireless crossfire data download at this, if need download, judge then then whether this wireless network linking starts, if this wireless network linking there is no startup, then start wireless network linking earlier and download again; If this wireless network linking starts, then download.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2005100746075A CN1874295A (en) | 2005-05-30 | 2005-05-30 | Method and device for down loading wireless digital content in series flow |
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| CNA2005100746075A CN1874295A (en) | 2005-05-30 | 2005-05-30 | Method and device for down loading wireless digital content in series flow |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1988493B (en) * | 2007-01-05 | 2012-01-11 | 智易科技股份有限公司 | Resetting system and its method for buffer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1988493B (en) * | 2007-01-05 | 2012-01-11 | 智易科技股份有限公司 | Resetting system and its method for buffer |
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