JP3673274B1 - ポータブルデータ記憶デバイスに記憶されたデータを圧縮および解凍するためのシステムおよび装置 - Google Patents
ポータブルデータ記憶デバイスに記憶されたデータを圧縮および解凍するためのシステムおよび装置 Download PDFInfo
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- JP3673274B1 JP3673274B1 JP2004509805A JP2004509805A JP3673274B1 JP 3673274 B1 JP3673274 B1 JP 3673274B1 JP 2004509805 A JP2004509805 A JP 2004509805A JP 2004509805 A JP2004509805 A JP 2004509805A JP 3673274 B1 JP3673274 B1 JP 3673274B1
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- 238000013500 data storage Methods 0.000 title claims description 34
- 230000015654 memory Effects 0.000 claims abstract description 50
- 230000006837 decompression Effects 0.000 claims abstract description 28
- 238000007906 compression Methods 0.000 claims abstract description 23
- 230000006835 compression Effects 0.000 claims abstract description 23
- 238000013144 data compression Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 6
- 230000006870 function Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 210000003813 thumb Anatomy 0.000 description 1
- 230000003936 working memory Effects 0.000 description 1
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/02—Analogue recording or reproducing
- G11B20/04—Direct recording or reproducing
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00007—Time or data compression or expansion
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0604—Improving or facilitating administration, e.g. storage management
- G06F3/0607—Improving or facilitating administration, e.g. storage management by facilitating the process of upgrading existing storage systems, e.g. for improving compatibility between host and storage device
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
- G06F3/0661—Format or protocol conversion arrangements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0679—Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]
Abstract
【選択図】 図1
Description
他のデータパケットが存在する場合には、ホスト制御装置195はデータパケットをUSB制御装置130に送信する(ステップ335および303)。データ圧縮エンジン190はワーキングバッファ165に記憶される付加的なデータパケットの圧縮を続ける(ステップ320)。圧縮すべきデータパケットがもはや存在しない場合には、データ圧縮および記憶セッションは終了する。
Claims (13)
- ユニット式ポータブルデータ記憶デバイスにおいて、
前記ポータブルデータ記憶デバイスに適合するユニバーサルシリアルバス(USB)コネクタと、
第1の記憶容量を有するフラッシュメモリと、
データ圧縮エンジンとを具備し、
前記ポータブルデータ記憶デバイスはデータパケットの形態でデータを受信するように前記コネクタを通してコンピュータに直接接続可能であり、
前記データ圧縮エンジンは、前記フラッシュメモリの容量が前記第1の記憶容量を超えるように、前記フラッシュメモリ中に記憶させるために前記各データパケットを圧縮して、データパケットの形態でそれぞれ圧縮されたデータを形成することができるユニット式ポータブルデータ記憶デバイス。 - 前記ポータブルデータ記憶デバイスの前記フラッシュメモリに記憶されているデータを解凍することができるデータ解凍エンジンをさらに具備する請求項1記載のユニット式ポータブルデータ記憶デバイス。
- 前記ポータブルデータ記憶デバイスのユーザはデータが圧縮されていることを認識していない請求項1記載のユニット式ポータブルデータ記憶デバイス。
- 各データパケットはその元のサイズの50パーセントに圧縮される請求項1記載のユニット式ポータブルデータ記憶デバイス。
- 前記フラッシュメモリの容量を100パーセント分増加させる請求項1記載のユニット式ポータブルデータ記憶デバイス。
- 前記ポータブルデータ記憶デバイスのユーザは前記データ圧縮エンジンをイネーブルおよびディセーブルすることができる請求項1記載のユニット式ポータブルデータ記憶デバイス。
- (a)ユニバーサルシリアルバスコネクタを通してポータブルデータ記憶デバイスをホストプラットフォームの通信ポートに直接接続し、
(b)データパケットのストリームとして前記通信ポートからデータを受信し、
(c)前記ポータブルデータ記憶デバイス上に存在するデータ圧縮エンジンを実行し、
(d)前記ホストプラットフォームにより提供されるデータパケットを圧縮してそれぞれ圧縮されたデータパケットを形成し、
(e)前記圧縮データパケットを前記ポータブルデータ記憶デバイスのメモリにセーブするステップを含むデータ圧縮方法。 - 前記ポータブルデータ記憶デバイスのユーザはデータが圧縮されていることを認識していない請求項7記載の方法。
- 前記圧縮ステップはその元のサイズの50パーセントに各データパケットを圧縮させることを含む請求項7記載の方法。
- 前記メモリの容量を100パーセント分増加させるステップをさらに含む請求項7記載の方法。
- 前記ポータブルデータ記憶デバイスのユーザは前記圧縮エンジンをイネーブルおよびディセーブルすることができる請求項7記載の方法。
- ポータブルデータ記憶デバイスのメモリにセーブされている圧縮データパケットを解凍する方法において、
(a)ユニバーサルシリアルバス(USB)を通して前記ポータブルデータ記憶デバイスをパーソナルコンピュータの通信ポートに直接接続し、
(b)前記ポータブルデータ記憶デバイス上に存在するデータ圧縮/解凍エンジンを実行し、
(c)前記ポータブルデータ記憶デバイスの前記メモリから圧縮データパケットを検索し、
(d)前記圧縮データパケットを解凍してそれぞれ解凍されたデータパケットを形成し、
(e)前記解凍データパケットを前記パーソナルコンピュータに送信するステップを含む方法。 - 前記ポータブルデータ記憶デバイスのユーザは前記圧縮/解凍エンジンをイネーブルおよびディセーブルすることができる請求項12記載の方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/SG2002/000086 WO2003102788A1 (en) | 2002-05-13 | 2002-05-13 | System and apparatus for compressing and decompressing data stored to a portable data storage device |
Publications (2)
Publication Number | Publication Date |
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JP3673274B1 true JP3673274B1 (ja) | 2005-07-20 |
JP2005522803A JP2005522803A (ja) | 2005-07-28 |
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JP2004509805A Expired - Fee Related JP3673274B1 (ja) | 2002-05-13 | 2002-05-13 | ポータブルデータ記憶デバイスに記憶されたデータを圧縮および解凍するためのシステムおよび装置 |
Country Status (14)
Country | Link |
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US (2) | US7082483B2 (ja) |
EP (1) | EP1454240B1 (ja) |
JP (1) | JP3673274B1 (ja) |
KR (1) | KR100626895B1 (ja) |
CN (1) | CN1605069A (ja) |
AU (1) | AU2002258343B2 (ja) |
DE (1) | DE60209115T2 (ja) |
EA (1) | EA007888B1 (ja) |
ES (1) | ES2256470T3 (ja) |
GB (1) | GB2398151B (ja) |
MY (1) | MY135296A (ja) |
NZ (1) | NZ535995A (ja) |
TW (1) | TWI231421B (ja) |
WO (1) | WO2003102788A1 (ja) |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100495340C (zh) * | 2006-03-28 | 2009-06-03 | 联发科技股份有限公司 | 数据控制装置和方法 |
WO2008096608A1 (ja) * | 2007-02-05 | 2008-08-14 | Senken Co., Ltd. | 秘密情報配送システムおよび秘密情報配送方法 |
JP2008191917A (ja) * | 2007-02-05 | 2008-08-21 | Senken Co Ltd | 秘密情報配送システムおよび秘密情報配送方法 |
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MY135296A (en) | 2008-03-31 |
EP1454240A1 (en) | 2004-09-08 |
ES2256470T3 (es) | 2006-07-16 |
US20060259652A1 (en) | 2006-11-16 |
JP2005522803A (ja) | 2005-07-28 |
EA200401367A1 (ru) | 2006-02-24 |
GB2398151B (en) | 2005-06-01 |
DE60209115D1 (de) | 2006-04-20 |
TWI231421B (en) | 2005-04-21 |
US7631121B2 (en) | 2009-12-08 |
AU2002258343B2 (en) | 2005-09-29 |
EP1454240B1 (en) | 2006-02-08 |
DE60209115T2 (de) | 2006-10-26 |
US7082483B2 (en) | 2006-07-25 |
GB2398151A (en) | 2004-08-11 |
NZ535995A (en) | 2007-02-23 |
CN1605069A (zh) | 2005-04-06 |
KR20040098625A (ko) | 2004-11-20 |
KR100626895B1 (ko) | 2006-09-21 |
EA007888B1 (ru) | 2007-02-27 |
AU2002258343A1 (en) | 2003-12-19 |
US20030217206A1 (en) | 2003-11-20 |
WO2003102788A1 (en) | 2003-12-11 |
GB0411265D0 (en) | 2004-06-23 |
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