CN1627277A

CN1627277A - Intelligent hard disk

Info

Publication number: CN1627277A
Application number: CN 200310120998
Authority: CN
Inventors: 张国飙
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-12-13
Filing date: 2003-12-13
Publication date: 2005-06-15

Abstract

This invention puts forward an intelligent hard disk which can exchange multimedia data with multimedia digital devices via USB interface directly (digital camera, MP3 player, digital VCR image display, image drive and digital recorder). The intelligent hard disk will become an ideal general storage platform for multimedia devices so as to put an end to the chaotic storage standards of multimedia devices due to the super large capacity and reasonable diamter. This invention also puts forward multiple digital VCR based on hard disk and USB, image displays and image drives.

Description

Intelligent hard disc

Technical field

The present invention relates to field of electronic systems, or rather, relate to hard disk.

Background technology

Nowadays, multimedia digital equipment 4 (as the digital camera 4c among Figure 1A, MP3 player 4p, other multimedia digital equipment also comprises Digital Video, display plotter, image driver and digital recording device etc.) increased popularity.They use the storer of various ways, store information of obtaining or the data that writes down in advance as digital camera 4c, digital MP3 player use flash memory (flash), and Digital Video is used tape, and display plotter such as TV use CD.These storeies use multiple standards, just contain standards such as Compact Flash (CF) card, Multimedia card, Security card, MemoryStick as flash memory; The shooting tape contains standards such as VHS, 8mm, Hi8, MiniDV, MicroMV; CD contains standards such as CD, VCD, DVD.These a large amount of incompatible standards make the storer of multimedia digital equipment can not be general, and because these memory spans are limited, for every kind of multimedia digital equipment, the consumer needs to buy a large amount of and incompatible storer (as flash cards, tape, CD etc.).For the user who has a plurality of multimedia equipments, this causes the rapid increase of carrying cost, and multimedia digital equipment is difficult further to be accepted by market.

Portable hard disk (mobileHDD comprises and do not limit 2.5 inches, 1.8 inches, 1 inch hard disk) technical progress recently is rapid.Nowadays, 2.5 inches hard-disk capacities can reach more than the 60GB, and 1.8 inches hard-disk capacities can reach more than the 20GB, and 1 inch hard-disk capacity can reach more than the 5GB.But these hard disks all are computer (PC) design, and they are generally all based on ATA (IDE) interface.In " post-PC era ", digital consumer products mainly are various multimedia equipments, and they are generally based on USB interface (in the present invention, USB interface is made a general reference various serial line interfaces, comprises being not limited to USB1.1, USB2.0, IEEE1394 etc.).Correspondingly, existing portable hard disk not with the multimedia equipment compatibility.

Portable hard drive 6 (Figure 1B) is a kind of emerging hard disk product.It has USB interface 5u, and the portable hard disk 15 of non-customized (off-the-shelf) is housed in its hard-disk cartridge 16.It utilizes IDE-USB bridge chip 62IU to realize interface conversion (the USB interface 5u from the ata interface 15m of portable hard disk 15 to portable hard drive 6).At first sight, portable hard drive 6 can with the multimedia equipment compatibility, it should have good mobility.Unfortunately, portable hard drive 6 very " slow-witted " (passive), it can not be directly and multimedia equipment 4 swap datas, and need a computer 2 to be used as the intermediary (Figure 1A) of exchanges data.That is to say that at whilst on tour, the user also needs to carry notebook computer 2 except portable hard drive 6.Notebook computer 2 also is not suitable for travelling: its heavier (＞3kg comprises computer package and voltage stabilizer) and big; The more important thing is that whilst on tour carries notebook computer dangerous (its data security can not guarantee at whilst on tour).A desirable multimedia storer should have good mobility (can put into pocket ,～200g is heavy), and price can be born (～) by ordinary consumer, can satisfy the multimedia storage demand (＞1GB), interface supports the USB1.1 master control function at least.The invention provides a kind of intelligent hard disc (smart hard-disk drive abbreviates sHDD as) that can satisfy above-mentioned requirements.

Goal of the invention

Fundamental purpose of the present invention provides a kind of mobile memory (mobilestorage) that has fine mobility (promptly in light weight, volume is little), can satisfy various multimedia equipment storage demands under suitable price, and this mobile memory can be used as the universal storage platform (Universal Multimedia Storage Platform) of multiple multimedia equipment.

Another object of the present invention provides multiple multimedia equipment based on hard disk and USB, comprises Digital Video based on hard disk and USB, based on the display plotter of hard disk and USB and graphdriver etc.

According to these and other purpose, the invention provides a kind of intelligent hard disc (sHDD) and auxiliary device thereof.

Summary of the invention

The present invention proposes a kind of intelligent hard disc (sHDD), it can be by USB interface (in the present invention, USB interface is made a general reference various serial line interfaces, comprises being not limited to USB1.1, USB2.0, IEEE1394 etc.) direct and multimedia digital equipment (as digital camera, MP3 player, Digital Video, display plotter, image driver and digital recording device etc.) exchange multimedia data.Intelligent hard disc is with the capacity of its super large, reasonably big or small, to become the desirable universal storage platform of multimedia equipment (Universal Multimedia Storage Platform), it can substitute various flash memories (as CF card, Multimedia card, Security card, Memory Stick etc.), shooting tape (VHS, 8mm, Hi8, MiniDV, MicroMV etc.), CD (CD, VCD, DVD) etc., thereby is through with the existing numerous and disorderly storage standards of multimedia equipment.

Intelligent hard disc is a pair of role (master control and from a control) equipment (dual-role device), and it preferably uses " USBOn-The-Go " technology such as (USB-OTG).When linking to each other with multimedia equipment, intelligent hard disc does not need to rely on a computer as portable hard drive and does intermediary, but, play master control (host) or, thereby realize directly and the purpose of multimedia equipment swap data from the effect of control (slave) according to the USB function of multimedia equipment.From size and capacity, the intelligent hard disc of 2.5 inches specifications is generally wallet-sized, and it can store the nearly data of 60GB, and price is expected to drop to～$80; 1.8 the intelligent hard disc of inch specification is generally credit card-sized, it can store the nearly data of 20GB.Correspondingly, intelligent hard disc has real mobility.

Have the user of at least one portable hard drive for convenience in a large number, the invention allows for a kind of exchanges data controller.It has at least two USB interface, and one of them interface can be connected with a portable hard drive, and another interface can be connected with a multimedia equipment.Data transmission between this exchanges data controller control portable hard drive and this multimedia equipment.Because the exchanges data controller does not contain hard disk, it is with low cost and volume is small and exquisite, is easy to be accepted by these users.

For intelligent hard disc even portable hard drive are more widely used, the present invention has further proposed multiple multimedia equipment based on hard disk and USB, comprises Digital Video based on hard disk and USB, based on the display plotter of hard disk and USB and graphdriver etc.Digital Video based on hard disk and USB can store the audio-video file of picked-up in intelligent hard disc or the portable hard drive into by USB interface.Similarly, the audio-video file that is stored in intelligent hard disc or the portable hard drive can be read broadcast by USB interface based on the display plotter of hard disk and USB.Conventional display plotters such as existing-quality television in order to support to install in a large number the invention allows for a kind of graphdriver.It can be connected with intelligent hard disc or portable hard drive by a USB interface, can also pass through at least one multi-media signal output terminal (as coaxial rf output terminal, compound A/V output terminal compositeA/V, RCA output terminal, S-Video output terminal etc.) simultaneously and be connected with existing-quality television.This graphdriver can produce audio-video signal and it is shown on existing-quality television.

Description of drawings

Figure 1A represents a kind of use pattern of portable hard drive; Figure 1B is the tip section figure of this portable hard drive, and its front panel is pulled out.

Fig. 2 A represents the use pattern of a kind of intelligent hard disc (sHDD), this moment it just with a multimedia equipment swap data; Fig. 2 B is the skeleton view of this intelligent hard disc; Fig. 2 C represents another use pattern of this intelligent hard disc, this moment it just with a computer swap data.

Fig. 3 A is a kind of tip section figure of separate type intelligent hard disc, and its front panel is pulled out; Fig. 3 B is the circuit block diagram of two role's interface printed circuit boards in this separate type intelligent hard disc.

Fig. 4 A is a kind of tip section figure of integrated form intelligent hard disc; Fig. 4 B is the circuit block diagram of this integrated form intelligent hard disc.

Fig. 5 A is a kind of storage card based on DRAM; Fig. 5 B is the block diagram of this storage card.

Fig. 6 A represents a kind of use pattern of exchanges data controller; Fig. 6 B is the skeleton view of this exchanges data controller; Fig. 6 C is the sectional view of this exchanges data controller; Fig. 6 D is the circuit block diagram of its main control chip.

Fig. 7 represents can be used as the intelligent hard disc of various multimedia equipment universal storage platforms (Universal Multimedia Storage Platform).

Fig. 8 A is a kind of outboard profile of the Digital Video based on hard disk and USB; Fig. 8 B is the rear view (hard disk inserts) of this video camera; Fig. 8 C is the rear view (hard disk is extracted) of this video camera; Fig. 8 D is the circuit block diagram of this video camera.

Fig. 9 A represents a kind of use pattern of the display plotter based on hard disk and USB; Fig. 9 B is the circuit block diagram of this display plotter.

Figure 10 A represents a kind of use pattern of graphdriver; Figure 10 B is the top view of this graphdriver; Figure 10 C is the circuit block diagram of this graphdriver.

Figure 11 represents a kind of system that uses buffer zone and hard disk batch-type working method.

Figure 12 is a kind of sectional view of conventional portable hard disk.

Figure 13 A is a kind of sectional view of compact hard disk; Figure 13 BA, Figure 13 BB represent to be positioned at the printed circuit board in this compact hard drive space district; Figure 13 C represents to be positioned at the battery in this compact hard drive space district; Figure 13 D represents to be positioned at the USB line in this compact hard drive space district; Figure 13 EA, Figure 13 EB represent to be positioned at the USB joint in this compact hard drive space district.

Figure 14 A is a kind of top view of integrated form portable hard drive; Figure 14 B is the mother matrix figure of this integrated form portable hard drive; Figure 14 C is the circuit block diagram of this integrated form portable hard drive; Figure 14 D is the circuit block diagram of its USB hard disk controll block.

Embodiment

Fig. 2 A represents the use pattern of a kind of intelligent hard disc (sHDD), this moment it just with a multimedia equipment 4 (as digital camera 4c, MP3 player 4p) swap data.Notice, directly couple together by a USB transmission line 8w1 between them.Look back the conventional art among Figure 1A, they need the intermediary of a computer 2 as exchanges data.In actual use, intelligent hard disc can be as the thesaurus of multimedia file.For example, when the flash memory cards among the digital camera 4c has been filled digital photo, the user can download to these digital photos the intelligent hard disc 8 from digital camera 4c (or card reader card-reader), thereby flash memory cards is soared, so that absorb other photo; And for example, when a user wanted to listen one group of new melody, he can upload to these music files among the MP3 player 4p from intelligent hard disc 8.The weight of intelligent hard disc 8 only is～200g or lighter that its big I is put into pocket or littler.Because do not need the intervention of computer, intelligent hard disc 8 has real mobility.

Fig. 2 B is a skeleton view of intelligent hard disc 8.Its front panel 8f contains at least one USB connector 7u and a plurality of operating key 7c; Its top panel 8t also contains one and shows 7d.Here, this instructions is by describing a kind of use pattern that these operating keys 7c1,7c2,7cs, 7c3,7c4 explain intelligent hard disc.For digital camera, in case digital camera (or card reader) with after intelligent hard disc is connected, promptly starts uploading of view data by " o " key 7cs.For the MP3 player, the user need select the music catalog of storing in the intelligent hard disc, and this can realize in the following way: by "＜" key 7c1 or "〉" key 7c2 changes the file/catalogue in the same TOC level; By " ∨ " key 7c3 or " ∧ " key 7c4 level that chdirs.Simultaneously, show that 7d shows current music catalog name.At last, promptly start the download of music data by " o " key 7cs.

Fig. 2 C represents the use pattern of this intelligent hard disc 8 when carrying out exchanges data with a computer 2.In general, the hard disk of computer 2 is bigger, and data processing function is stronger, and connectivity better (being connected as the high speed with the Internet, CD drive etc.).In case of necessity, the file in file on the intelligent hard disc 8 and the computer 2 can be exchanged.For example, digital photograph can be transferred in the computer 2, thereby it can be printed or email gives other people; Also can with in the computer 2 or the mp3 file of storing in the CD be transferred in the intelligent hard disc 8, play in order to being uploaded in the MP3 player.In fact, intelligent hard disc 8 can be thought the buffer zone between computer 2 and the multimedia equipment 4.When the data in the intelligent hard disc 8 need exchange with computer 2, intelligent hard disc 8 can directly link to each other with computer 2 by a USB transmission line 8w2.At this moment, intelligent hard disc 8 plays from the control effect, and computer 2 plays the master control effect.

Most of multimedia equipments on the market are all based on USB interface (in the present invention, USB interface is made a general reference various serial line interfaces, comprises being not limited to USB1.1, USB2.0, IEEE1394 etc.) now.For and these equipment between realize back compatible, intelligent hard disc preferably can be supported the USB master control function.On the other hand, when it links to each other with a computer 2, promptly rise from control and do the time spent, intelligent hard disc 8 preferably can be supported the high speed USB agreement.Be familiar with this professional personage for those, the data rate that USB2.0 and IEEE1394 provided very fast (be respectively～480Mb/s and～400Mb/s).

Fig. 3 A is a kind of top view of separate type intelligent hard disc 8, and its top cover 8t is opened and front panel is pulled out.Be similar to the portable hard drive 6 among Figure 1B, separate type intelligent hard disc 8 be actually a hard-disk cartridge 16 '.The portable hard disk 15 of this hard-disk cartridge 16 ' contain non-customized (off-the-shelF) is (based on ATA/IDE interface 15m.This instructions does not add differentiation to ATA and IDE, and they can be exchanged) and a pair of role interface printed circuit board 84 (84 pairs of this printed circuit boards contain an ide interface 16f, externally contain a USB interface 7u).Portable hard disk 15 contains a hard disk mother matrix, and it is two separate bar printing circuit versions with two role's printed circuit boards 84, so this intelligent hard disc 8 is called as the separate type intelligent hard disc.Two role's interface printed circuit boards have the function of master/slave control and interface conversion (IDE 16f → USB 7u).Separate type intelligent hard disc 8 also contains a battery 16B, and they provide power supply for the intelligent hard disc 8 that is in the master control effect.

Fig. 3 B is the circuit block diagram of two role's interface printed circuit boards 84 in this separate type intelligent hard disc.Two role's interface printed circuit boards 84 contain two data paths: the master control path and from the control path.The data 16f that portable hard drive is delivered in alternative shunt 65mx decision from the master control path still from the control path.Here, the master control path is made of main control module 66HC, microcontroller 66uC, IDE control module 66IC and load module 66CB; Constitute by IDE-USB bridge chip 66IU from the control path.Wherein, the streams data of main control module 66HC control intelligent hard disc 8, it can use USBOn-The-Go (USB-OTG) or Embedded USB Host technology, as the SL811HST product of being produced by Cypress Semiconductor company; Microcontroller 66uC and IDE control module 66IC are the custom circuit module; Load module 66CB delivers to microcontroller 66uC after input control signal 7c is encoded.Notice that in this Figure of description, circuit module only has the meaning in the design.On the printed circuit board of reality, several modules can be integrated in the chip, or a module also can be distributed in a plurality of chips.

The present invention also proposes a kind of integrated form intelligent hard disc.It makes full use of the integrated method of hard disk (see for details submitted on October 22nd, 2002 by the inventor, application number is 02133943.0 Chinese patent application " intelligent hard disc ").Fig. 4 A is a kind of tip section figure of integrated form intelligent hard disc, and its magnetic head-disc group (HDA) 17 and mother matrix 88 are installed in the integrated shell 16s: a part of integrated shell 16s comprises HDA 17, and another part comprises mother matrix 88 and battery 16B.After the top cover 8t of system is opened, can see disc 15p, rotating shaft 15r, magnetic head 15h and head arm 15a etc. among the HDA 17.

Fig. 4 B is the circuit block diagram of this integrated form intelligent hard disc.It comprises master/slave hard disk control module 68HS, microcontroller 60uP, load module 68CB, buffer zone 60B, read channel module 60RC and servomechanism piece 60SC etc.About the design of other intelligent hard disc, can with reference to submitted on October 22nd, 2002 by the inventor, application number is 02133943.0 Chinese patent application " intelligent hard disc ".

Along with the appearance of intelligent hard disc, to become be a buffer zone to the practical function of storer in the multimedia equipment.Because hard disk is non-volatile,, and can use the DRAM card so multimedia equipment there is no need to use flash cards.The price of dram chip is low more than flash cards, this favourable reduction system cost.Fig. 5 A is a kind of storage card 268bf based on DRAM, and it is identical with existing C F card (or other flash cards) size, and has compatible interface 268if.Fig. 5 B is the block diagram of this storage card.It contains at least one dram chip 268dr and a control chip 268ic.Its principle of work is very easily understood for being familiar with this professional personage.

Have the user of at least one portable hard drive 6 for convenience in a large number, the invention allows for a kind of exchanges data controller.Fig. 6 A represents the use pattern of this exchanges data controller 108; Fig. 6 B is its skeleton view.It has at least two USB interface, and one of them interface 9u1 can be connected with a portable hard drive 6, and another interface 9u2 can be connected with a multimedia equipment 4c.108 of this exchanges data controllers play USB master control effect, the data transmission between its control portable hard drive and this multimedia equipment.Its use pattern (being button 9c and demonstration 9d) is similar with the intelligent hard disc among Fig. 2 B.Different with intelligent hard disc is that when with compunlcation, the user only needs portable hard drive 6 is connected with computer, and does not need to use exchanges data controller 108.Certainly, except portable hard drive, exchanges data controller 108 even can also control exchanges data between other mass storage (as jumbo USB flash disk etc.) and the multimedia equipment.

Fig. 6 C is the sectional view of this exchanges data controller.It contains a battery 16B and a mother matrix 94, contains a main control chip 67 on this mother matrix 94.The circuit block diagram of this main control chip is seen Fig. 6 D.It contains a USB main control module 164HC, a microprocessor 164uC and RAM 164m.USB main control module 164HC need satisfy USB Host standard, also can satisfy the USB-OTG standard.Because the exchanges data controller does not contain hard disk, it is with low cost and volume is small and exquisite (as beeper pager size), is easy to be accepted by the user.

Intelligent hard disc 8 is except supporting digital camera 4c and MP3 player 4p, and it can also support other multimedia digital equipment (as digital video camera 4cc, display plotter 4tv, image driver and digital recording device etc., seeing Fig. 7).Because the capacity of its super large, reasonably big or small, intelligent hard disc will become the desirable universal storage platform of multimedia equipment (UniversalMultimedia Storage Platform).It can substitute various flash memory 3cf, 3mm (as CF card, Multimedia card, Security card, Memory Stick etc.), shooting tape 3tp (VHS, 8mm, Hi8, MiniDV, MicroMV etc.), CD 3dv (CD, VCD, DVD) etc., thereby the storage standards that ending multimedia equipment is numerous and disorderly is saved carrying cost.

Hard disk can be used for directly storing the picture recording that Digital Video is absorbed.The hard disk of a 40GB can be stored the nearly picture recording of 20 hours DVD quality.Store the picture recording of same time, need 20 dish digital tapes, it costs will be above hard disk.In addition, because hard disk has the random read-write function, directly store picture recording with hard disk and great facility is provided for the post-production of picture recording.

The present invention proposes a kind of Digital Video 4cc based on hard disk and USB.Fig. 8 A is its outboard profile; Fig. 8 B is the rear view after its hard disk has inserted; Fig. 8 C is the rear view after its hard disk has been extracted.It contains a camera lens 281, a viewfinder (viewfinder) 28v and a body 28b.Notice that this Digital Video 4cc is not with tape drive or CD drive.One stationary installation (28h) is arranged on its body 28b, and the space 28s of its formation can be used to place a hard disk 8.Whether have the USB master control function according to Digital Video, this hard disk can be intelligent hard disc or portable hard drive.Except that hard disk, this Digital Video 4cc can also use other USB interface-based mass storage, as high capacity U disc etc.This body 28b also contains a USB interface 28m, picture recording can be stored into hard disk 8 by this USB interface 28m.When needs change another hard disk 8 or this hard disk 8 to go to support other multimedia equipment, maybe need with hard disk 8 in the picture recording of storage when being transferred to the post-production of using videotape to record on the computer, hard disk 8 can be taken off from Digital Video 4cc.Fig. 8 D is the circuit block diagram of this video camera.It contains a microprocessor 128uP, an image perception 128is, a MPEG compressor reducer 128me, a buffer zone 128bf and a USB controller 128uc.MPEG compressor reducer 128me is compressed into original picture recording data 127raw mpeg format and it is delivered to hard disk with USB form 127usb.

Hard disk also is the ideal memory of store movies, and the hard disk of a 40GB can be stored the nearly film of 20 hours DVD quality.The present invention proposes a kind of display plotter 4tv based on hard disk and USB.Fig. 9 A represents its a kind of use pattern.This display plotter 4tv has one and shows 138dp (as TV or LCDs, individual's picture recording player personal videoplayer/recorder etc.).It links to each other with a hard disk 8 by a USB interface 28u.Whether have the USB master control function according to display plotter, this hard disk can be intelligent hard disc or portable hard drive.Except that hard disk, this display plotter 4tv can also use other USB interface-based mass storage, as high capacity U disc etc.Fig. 9 B is its circuit block diagram, and it contains a processor 138uP, and shows 138dp, a mpeg decompression device 138md, a buffer zone 138bf and a USB controller 138uc.Its principle of work is very easily understood for being familiar with this professional personage.

Consider that mounted existing-quality television quantity is huge,, the invention allows for a kind of graphdriver 4py in order to support these mounted existing-quality televisions (as at whilst on tour, the user wishes picture recording or the film stored on the hard disk watching in the hotel).Figure 10 A represents its a kind of use pattern; Figure 10 B is its top view.It is connected with hard disk 8 by a USB interface 48u, whether has the USB master control function according to the graphics driver device, and this hard disk can be intelligent hard disc or portable hard drive.Except that hard disk, this graphdriver 4py can also use other USB interface-based mass storage, as high capacity U disc etc.Simultaneously, this graphdriver 4py can also pass through at least one multi-media

signal output terminal

48a, 48b (as coaxial rf output terminal, compound A/V output terminal composite A/V, RCA output terminal, S-Video output terminal etc.) and is connected with existing-quality television 4tvc.It also has a plurality of operating keys.This graphdriver 4py can produce audio-video signal and it is shown on existing-quality television 4tvc.Figure 10 C is the circuit block diagram of this graphdriver 4py, and it contains a microprocessor 148uP, a mpeg decompression device 148md, a buffer zone 148bf and a USB controller 148uc.Its principle of work is very easily understood for being familiar with this professional personage.

The hard disk energy consumption is generally bigger, in order to cut down the consumption of energy, except operable double speed hard disk (see submitted on October 22nd, 2002, application number is 02133943.0 Chinese patent application " intelligent hard disc ") by the inventor, can also use the batch-type working method of hard disk, promptly hard disk is only worked in the less time.This can realize (Figure 11) by add a buffer zone 4bf between multimedia equipment 4 and hard disk 8ih.This buffer zone 4bf can be arranged in multimedia equipment (as Fig. 8 D, Fig. 9 B, buffer zone 128bf, the 138bbf of Figure 10 C, 148bf), or is positioned at intelligent hard disc or portable hard drive.Because the speed of hard disk 8ih transmission data (can reach～10MB/s) much larger than multimedia equipment produce or the speed of consumption data (～0.3MB/s), so in the most of the time, multimedia equipment can only read and write data from buffer zone 4bf, hard disk is not worked; Have only data as buffer zone 4bf to run through soon or write soon when full, just start hard disk, read and write data from hard disk.From saving the angle of energy consumption, the size of buffer zone 4bf must satisfy following requirement,

Hard disk operation for read-write buffer size data: (without the energy consumption of buffer zone)＞(with the energy consumption of buffer zone) because,

(without the energy consumption of buffer zone)=(disk read-write power consumption) * (buffer size)/(speed of multi-medium data generation or consumption data);

(with the energy consumption of buffer zone)=(hard disk startup energy consumption)+(disk read-write power consumption) * (buffer size)/(speed of hard disk transmission data),

So,

(buffer size)＞(the startup energy consumption of hard disk)/(disk read-write power consumption)/[1/ (speed of multi-medium data generation or consumption data)-1/ (speed of hard disk transmission data)].

Figure 12 is a kind of sectional view of conventional portable hard disk.As can be seen, its disc 15p is big than magnetic head control motor (voice-coilmotor) 15v.In its shell 16s, there is a space 16ur not to be utilized.For portable system, this is a waste greatly.The present invention proposes a kind of compact hard disk.Figure 13 A is its sectional view.Different with conventional hard disk is that its shell 16t is not a rectangle, and has the shape of anti-" L ": for relative both sides 15b1 and 15b2, on one side length of side W1 greater than the length of side W2 of another side.Indentation, there at anti-" L " has a space region 16urs.This space region 16urs can be used for placing multiple hard disk parts, as a plurality of overlapping printed circuit board 88C1,88C2, the 88C3 (Figure 13 BA is its top view, and Figure 13 BB is its sectional view along BB ') that is linked to each other by flexible circuit (flex-circuit) 88f2; Battery 7B (Figure 13 C); Telescopic USB line 7w (Figure 13 D); USB joint 7m (Figure 13 EA is its side view, and Figure 13 EB is its sectional view along AA ').

From this instructions as can be seen, intelligent hard disc and portable hard drive are with a wide range of applications.Its volume is big, cost is higher because existing portable hard drive based on non-customized portable hard disk, causes.Thereby be necessary to strengthen its integrated level.Correspondingly, the present invention proposes a kind of integrated form portable hard drive 13.Figure 14 A is its top view.The difference of it and conventional portable hard disk is: it uses usb 1 2u (4 pin), and unconventional ata interface (40 pin), so its joint cost is lower.Figure 14 B is its mother matrix figure, and the main chip of its use comprises: integrated USB hard disk controll block 12UC, a microprocessor 12uP, a buffer zone 12B, a read channel piece 12RC and a servomechanism piece 12SC.Figure 14 C is seen in their connection.The difference of itself and conventional hard disk is that its hard disk controll block is an integrated USB hard disk controll block 12UC, and the unconventional hard disk controll block based on ATA.Figure 14 D is the circuit block diagram of its integrated USB hard disk controll block 12UC, and it contains controll block 12CT, buffer management piece 12BM, Microprocessor Interface 12PI, hard disk form piece 12DF and serial interface engine 12SIE.This integration USB hard disk controll block 12UC and extraneous 12u and read channel module 12RC all carry out exchanges data with serial mode.

Though above instructions has specifically described examples more of the present invention, those skilled in the art should understand, under prerequisite not away from the spirit and scope of the present invention, can change form of the present invention and details, this does not hinder them to use spirit of the present invention.Therefore, except the spirit according to additional claims, the present invention should not be subjected to any restriction.

Claims

1. an intelligent hard disc (8) is characterized in that containing:

One magnetic head-disc devices (17), this magnetic head-disc devices contain at least one disc (15p), at least one magnetic head (15h) and a rotating shaft (15r);

One master control piece (66HC, 66HS), when this hard-disc storage body and a multimedia equipment (4) when linking to each other, described master control piece makes this intelligent hard disc play master control function, and this multimedia equipment can be a kind of in digital camera (4c), mp3 player (4p), Digital Video (4cc), display plotter (4tv), image driver (4py), the digital recording device; For this magnetic head-disc devices provides the battery (16B) of power supply, at least one operating key (7c1,7c2) and at least one serial line interface (7u).

2. an exchanges data controller (108) is characterized in that containing:

First serial line interface (9u1), this first serial line interface can be connected with a mass storage (6);

Second serial line interface (9u2), this second serial line interface can be connected with a multimedia equipment (4), and this multimedia equipment can be a kind of in digital camera (4c), mp3 player (4p), Digital Video (4cc), display plotter (4tv), image driver (4py), the digital recording device;

One master control piece (164HC), this master control piece is controlled the data transmission between this mass storage and this multimedia equipment;

At least one battery (16B) and at least one operating key (9c1,9c2).

3. the Digital Video based on hard disk and USB (4cc), it is characterized in that containing: a serial line interface (28m) and a stationary installation (28h), this stationary installation can be fixed a mass storage (6,8), described mass storage can take off from this Digital Video, the multi-medium data that this Digital Video obtains can store on this mass storage by this serial line interface, and described Digital Video does not have tape drive or CD drive.

4. the image display based on hard disk and USB (4tv), it is characterized in that containing: a serial line interface (28u), this serial line interface can be connected with a mass storage (6,8), this image display can be read broadcast with the multi-medium data in the mass storage by this serial line interface, and described mass storage can take off from this display plotter.

5. the image driver based on hard disk and USB (4py) is characterized in that containing:

One serial line interface (48u), this serial line interface can be connected with a mass storage (6,8), and this image driver can be read broadcast with the multi-medium data in this mass storage by this serial line interface;

At least one multi-media signal output terminal (48a, 48b), this multi-media signal output terminal can be at least a in coaxial rf output terminal, compound A/V output terminal (composite A/V), RCA output terminal, the S-Video output terminal.

6. according to the described multimedia equipment of claim 2-5, it is characterized in that: described mass storage is at least a in intelligent hard disc (8), portable hard drive (6), the high capacity U disc.

7. multimedia equipment according to claim 6, it is characterized in that also containing a buffer zone (4bf, 128bf, 138bf, 148bf), the size of described buffer zone is greater than: the startup energy consumption/disk read-write power consumption of hard disk/[1/ (multi-medium data produces or the speed of consumption data)-1/ (speed of hard disk transmission data)].

8. a compact hard disk (19), it is characterized in that: its shell (16t) contains two relative first limit (15b1) and second limit (15b2), the length on this first limit (W1) has a space region (16urs) greater than the length (W2) on this second limit near this second limit.

9. compact hard disk according to claim 8 is characterized in that: contain at least a in printed circuit board (88C1,88C2,88C3), battery (7B), string line (7w), the serial joint (7m) in the described space region.

10. an integrated portable hard drive (13), it is characterized in that containing: a serial line interface (12u) and an integrated series hard-disk controll block (12UC), described integrated series hard-disk controll block contains a controll block (12CT), a buffer management piece (12BM), a Microprocessor Interface (12PI), a hard disk form piece (12DF) and a serial line interface engine (12SIE), and this integrated series hard-disk controll block is all carried out exchanges data with serial mode with extraneous and read channel module (12RC).