WO2003056433A1 - Dispositif a memoire et appareil d'enregistrement/reproduction utilisant ledit dispositif - Google Patents
Dispositif a memoire et appareil d'enregistrement/reproduction utilisant ledit dispositif Download PDFInfo
- Publication number
- WO2003056433A1 WO2003056433A1 PCT/JP2002/013258 JP0213258W WO03056433A1 WO 2003056433 A1 WO2003056433 A1 WO 2003056433A1 JP 0213258 W JP0213258 W JP 0213258W WO 03056433 A1 WO03056433 A1 WO 03056433A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data
- block
- recorded
- page
- recording
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
-
- 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
- G06F3/08—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers from or to individual record carriers, e.g. punched card, memory card, integrated circuit [IC] card or smart card
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S707/00—Data processing: database and file management or data structures
- Y10S707/99931—Database or file accessing
Definitions
- a memory device includes a recording medium in which a logical address is provided for each block, which is a predetermined data unit, and each block stores data for the block. There is provided an area in which a data use status flag indicating that the data has been recorded is recorded, and an area in which a block status flag indicating that the data recorded in the topic has been deleted is recorded.
- FIG. 7 is a diagram for explaining the interface configuration of the memory card.
- Fig. 8 shows the relationship between segments and packages defined on the physical format of the memory card and the relationship between physical block numbers and logical addresses.
- C Fig. 9 FIG. 3 is a diagram for explaining a boot area and a user area defined in FIG.
- FIG. 14 is a diagram illustrating an example of a directory configuration of files and the like recorded on a memory card.
- FIG. 25 is a diagram showing a directory configuration of a file recorded in the small IC memory at the time of the third session closing process.
- the memory card 1 according to the present invention is inserted into the host device 2 through the slot 3 with one end provided with the connection terminal group 4 as an insertion end and the direction of arrow X1 in FIG. .
- each electrode constituting the connection terminal group 4 is connected to each contact of the connection terminal on the host device 2 side, so that signals can be transmitted and received.
- the data buffer circuit 14 is a memory circuit for temporarily storing data written to the write-once memory 17 and data read from the write-once memory 17.
- the data buffer circuit 14 has a data capacity of a predetermined data write unit (5 12 bytes, which is a page size described later).
- the second ECC is an error correction code for 512-byte page data.
- a conventional memory card using a flash memory that can be written multiple times employs an MS-DOS compatible format as a logical format.
- MS—DOS Compatible format is a file system that manages data files recorded on a recording medium in a hierarchical directory structure.
- the MS_DOS compatible format when recording data is managed, a unit for recording and reproducing data (cluster) on a recording medium is defined.
- the unit of data recording / reproducing (cluster) specified by MS-DOS is a block unit.
- the data size field is located at the 15th to 18th bytes. If the entry page is a file entry, the size of the entity data of the file indicated by the file entry is described in this data size field in byte order. In this data size field, if the entry page is a directory remerger, the 0th and 1st bytes describe the first entry among the entries recorded in the block indicated by the directory marker. In the second and third bytes, the last entry among the entries described in the block is described.
- the file entity data is fragmented in the fragment field, 0 out of 4 bytes, 0 (0x0000) in the first byte, and not fragmented In this case, other values are described in the 0th and 1st bytes.
- the logical address of the first block in which the latter half is recorded is described in the second and third bytes.
- the host device 2 records the root directory entry in the spare block of the 0 segment in this spare block. That is, the root directory entry is recorded so that the spare area is consumed from the area opposite to the write-once format management data (entry page).
- the host device 2 records the sub-directory entry in the spare block of the first segment or later in the spare block.
- the first subdirectory created that is, the newly created subdirectory after the previous session close process, has its subdirectory entry.
- Is recorded in the effective block which is a block whose logical address has been allocated in advance. In this case as well, it is recorded in the effective block after one segment.
- Entry ( 4 ) and the second sub A sub-entry (2) pointing to the directory (Sub 2 ) a file entry (5) pointing to the fifth file (File 5), and a file entry ( 6 ) pointing to the sixth file (FileG) are recorded.
- Each entity data of the fourth file (Filel) to the fifth file (File5) is recorded in the data recording area of 0 segment.
- the entity data of the sixth file (File6) is recorded as being divided into two parts, a 0-segment data area and a 1-segment data area.
- the first subdirectory entry (1) is inserted in the middle, and the logical addresses of the area divided into two are not continuous. In such a case, a fragment is recorded in the file entry (6).
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02786140A EP1460548B1 (en) | 2001-12-25 | 2002-12-18 | Memory device |
DE60233971T DE60233971D1 (de) | 2001-12-25 | 2002-12-18 | Speicherbaustein |
KR1020037011051A KR100987241B1 (ko) | 2001-12-25 | 2002-12-18 | 메모리 장치 및 그 메모리 장치를 이용한 기록 재생 장치 |
US10/469,208 US7039753B2 (en) | 2001-12-25 | 2002-12-18 | Memory device and recording and/or reproducing apparatus using the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001392453A JP2003196142A (ja) | 2001-12-25 | 2001-12-25 | ライトワンス型メモリ装置及びファイル管理方法 |
JP2001-392453 | 2001-12-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003056433A1 true WO2003056433A1 (fr) | 2003-07-10 |
Family
ID=19188637
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/013258 WO2003056433A1 (fr) | 2001-12-25 | 2002-12-18 | Dispositif a memoire et appareil d'enregistrement/reproduction utilisant ledit dispositif |
PCT/JP2002/013257 WO2003056432A1 (fr) | 2001-12-25 | 2002-12-18 | Dispositif de memoire et appareil d'enregistrement/reproduction faisant appel a ce dispositif |
PCT/JP2002/013256 WO2003056431A1 (fr) | 2001-12-25 | 2002-12-18 | Dispositif de memoire et appareil d'enregistrement/reproduction faisant appel a ce dispositif |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/013257 WO2003056432A1 (fr) | 2001-12-25 | 2002-12-18 | Dispositif de memoire et appareil d'enregistrement/reproduction faisant appel a ce dispositif |
PCT/JP2002/013256 WO2003056431A1 (fr) | 2001-12-25 | 2002-12-18 | Dispositif de memoire et appareil d'enregistrement/reproduction faisant appel a ce dispositif |
Country Status (7)
Country | Link |
---|---|
US (4) | US7447672B2 (ja) |
EP (3) | EP1460549A4 (ja) |
JP (1) | JP2003196142A (ja) |
KR (3) | KR101091311B1 (ja) |
CN (3) | CN100440165C (ja) |
DE (1) | DE60233971D1 (ja) |
WO (3) | WO2003056433A1 (ja) |
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JP4415356B2 (ja) | 2002-12-24 | 2010-02-17 | エルジー エレクトロニクス インコーポレイティド | 二重ジャーナリングの保存方法及びその記憶媒体 |
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- 2001-12-25 JP JP2001392453A patent/JP2003196142A/ja active Pending
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2002
- 2002-12-18 CN CNB028054466A patent/CN100440165C/zh not_active Expired - Fee Related
- 2002-12-18 CN CNB028072170A patent/CN100388235C/zh not_active Expired - Fee Related
- 2002-12-18 EP EP02805887A patent/EP1460549A4/en not_active Withdrawn
- 2002-12-18 US US10/469,210 patent/US7447672B2/en not_active Expired - Fee Related
- 2002-12-18 KR KR1020037011049A patent/KR101091311B1/ko not_active IP Right Cessation
- 2002-12-18 DE DE60233971T patent/DE60233971D1/de not_active Expired - Lifetime
- 2002-12-18 CN CN02805380XA patent/CN1493026B/zh not_active Expired - Fee Related
- 2002-12-18 WO PCT/JP2002/013258 patent/WO2003056433A1/ja active Application Filing
- 2002-12-18 WO PCT/JP2002/013257 patent/WO2003056432A1/ja active Application Filing
- 2002-12-18 US US10/469,208 patent/US7039753B2/en not_active Expired - Fee Related
- 2002-12-18 EP EP02786140A patent/EP1460548B1/en not_active Expired - Fee Related
- 2002-12-18 KR KR1020037011050A patent/KR101033068B1/ko not_active IP Right Cessation
- 2002-12-18 EP EP02786139A patent/EP1460547A4/en not_active Withdrawn
- 2002-12-18 US US10/469,209 patent/US7039786B2/en not_active Expired - Fee Related
- 2002-12-18 KR KR1020037011051A patent/KR100987241B1/ko not_active IP Right Cessation
- 2002-12-18 WO PCT/JP2002/013256 patent/WO2003056431A1/ja active Application Filing
-
2006
- 2006-08-24 US US11/509,505 patent/US7634613B2/en not_active Expired - Fee Related
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Title |
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Also Published As
Publication number | Publication date |
---|---|
US7039753B2 (en) | 2006-05-02 |
KR101091311B1 (ko) | 2011-12-07 |
US20040103240A1 (en) | 2004-05-27 |
US20060282446A1 (en) | 2006-12-14 |
KR20040062875A (ko) | 2004-07-09 |
CN1493028A (zh) | 2004-04-28 |
WO2003056432A1 (fr) | 2003-07-10 |
CN1493026A (zh) | 2004-04-28 |
DE60233971D1 (de) | 2009-11-19 |
EP1460547A1 (en) | 2004-09-22 |
US7039786B2 (en) | 2006-05-02 |
CN1493026B (zh) | 2010-05-26 |
CN100440165C (zh) | 2008-12-03 |
US20040196687A1 (en) | 2004-10-07 |
EP1460548A1 (en) | 2004-09-22 |
EP1460549A4 (en) | 2007-06-06 |
EP1460548B1 (en) | 2009-10-07 |
EP1460549A1 (en) | 2004-09-22 |
US7634613B2 (en) | 2009-12-15 |
EP1460547A4 (en) | 2006-12-13 |
EP1460548A4 (en) | 2007-04-25 |
KR100987241B1 (ko) | 2010-10-12 |
KR20040062440A (ko) | 2004-07-07 |
KR20040067856A (ko) | 2004-07-30 |
CN100388235C (zh) | 2008-05-14 |
US7447672B2 (en) | 2008-11-04 |
US20040098397A1 (en) | 2004-05-20 |
WO2003056431A1 (fr) | 2003-07-10 |
KR101033068B1 (ko) | 2011-05-06 |
JP2003196142A (ja) | 2003-07-11 |
CN1500249A (zh) | 2004-05-26 |
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