SG50622A1 - Rom-ram disk - Google Patents
Rom-ram diskInfo
- Publication number
- SG50622A1 SG50622A1 SG1996007045A SG1996007045A SG50622A1 SG 50622 A1 SG50622 A1 SG 50622A1 SG 1996007045 A SG1996007045 A SG 1996007045A SG 1996007045 A SG1996007045 A SG 1996007045A SG 50622 A1 SG50622 A1 SG 50622A1
- Authority
- SG
- Singapore
- Prior art keywords
- rom
- ram disk
- ram
- disk
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/0079—Zoned data area, e.g. having different data structures or formats for the user data within data layer, Zone Constant Linear Velocity [ZCLV], Zone Constant Angular Velocity [ZCAV], carriers with RAM and ROM areas
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
- G11B13/04—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
- G11B13/04—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties
- G11B13/045—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties combined recording by magnetic and optic means
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
-
- 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
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
- G11B20/1252—Formatting, e.g. arrangement of data block or words on the record carriers on discs for discontinuous data, e.g. digital information signals, computer programme data
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10595—Control of operating function
- G11B11/10597—Adaptations for transducing various formats on the same or different carriers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/24—Arrangements for providing constant relative speed between record carrier and head
- G11B19/247—Arrangements for providing constant relative speed between record carrier and head using electrical means
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/28—Speed controlling, regulating, or indicating
-
- 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
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
- G11B2020/1259—Formatting, e.g. arrangement of data block or words on the record carriers on discs with ROM/RAM areas
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
- G11B2220/211—Discs having both read-only and rewritable or recordable areas containing application data; Partial ROM media
Landscapes
- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Memory System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4341223A DE4341223B4 (de) | 1993-12-03 | 1993-12-03 | ROM-RAM-Disk |
Publications (1)
Publication Number | Publication Date |
---|---|
SG50622A1 true SG50622A1 (en) | 1998-07-20 |
Family
ID=6504095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG1996007045A SG50622A1 (en) | 1993-12-03 | 1994-11-23 | Rom-ram disk |
Country Status (9)
Country | Link |
---|---|
US (1) | US5812519A (ja) |
EP (1) | EP0731970B1 (ja) |
JP (1) | JP3733536B2 (ja) |
KR (1) | KR100395586B1 (ja) |
CN (1) | CN1136851A (ja) |
BR (1) | BR9408236A (ja) |
DE (2) | DE4341223B4 (ja) |
SG (1) | SG50622A1 (ja) |
WO (1) | WO1995015557A1 (ja) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6600713B1 (en) * | 1996-06-26 | 2003-07-29 | Sun Microsystems, Inc. | Recording media having separate read only and read/write areas |
ID21646A (id) | 1996-10-23 | 1999-07-08 | Matsushita Electric Ind Co Ltd | Piringan optik |
DE69703503T2 (de) * | 1996-10-25 | 2001-03-15 | Matsushita Electric Industrial Co., Ltd. | Optische Platte mit oszillierenden Stegen und Rillen |
JP3201289B2 (ja) * | 1996-11-12 | 2001-08-20 | 日本ビクター株式会社 | 光ディスク |
US6163521A (en) * | 1997-04-16 | 2000-12-19 | Matsushita Electric Industrial Co., Ltd. | Disk having read-only and read-write areas |
KR19980084908A (ko) * | 1997-05-27 | 1998-12-05 | 윤종용 | 비휘발성 메모리를 갖는 광 디스크와 비휘발성 메모리를 갖는 광 디스크를 사용하기 위한 광 디스크 장치 및 그 제어 방법 |
US6310854B1 (en) * | 1997-11-28 | 2001-10-30 | Yamaha Corporation | Optical disk having areas of different recording densities or functions |
WO1999049458A1 (en) * | 1998-03-23 | 1999-09-30 | Warner Music Group, Inc. | Dual format optical disc |
JP3433113B2 (ja) * | 1998-08-26 | 2003-08-04 | 株式会社東芝 | 相変化光記録媒体、記録装置、及び再生装置 |
EP1054395B1 (en) | 1999-05-17 | 2007-06-27 | Sony Corporation | Optical disc recording apparatus, optical disc recording methods, and optical discs |
US6538961B2 (en) | 1999-05-18 | 2003-03-25 | Sony Corporation | Apparatus and method for recording an optical disc identification code |
US7227817B1 (en) | 1999-12-07 | 2007-06-05 | Dphi Acquisitions, Inc. | Low profile optical head |
US6580683B1 (en) | 1999-06-23 | 2003-06-17 | Dataplay, Inc. | Optical recording medium having a master data area and a writeable data area |
WO2001018802A1 (fr) * | 1999-09-08 | 2001-03-15 | Mitsubishi Chemical Corporation | Disque compact reinscriptible et son procede de fabrication |
US7191153B1 (en) | 1999-09-10 | 2007-03-13 | Dphi Acquisitions, Inc. | Content distribution method and apparatus |
US6631359B1 (en) | 1999-09-10 | 2003-10-07 | Dphi Acquisitions, Inc. | Writeable medium access control using a medium writeable area |
US7068624B1 (en) * | 2000-02-25 | 2006-06-27 | Cisco Technology, Inc. | Wireless router and method for processing traffic in a wireless communications network |
KR100677092B1 (ko) | 2000-05-22 | 2007-02-05 | 삼성전자주식회사 | 상품 정보 갱신 매체 및 방법 |
US7151729B1 (en) * | 2000-06-29 | 2006-12-19 | Samsung Electronics Co., Ltd. | Optical recording medium having read-only storage area and writeable storage area and recording/reproducing apparatus and method therefor |
JP2002074849A (ja) * | 2000-08-28 | 2002-03-15 | Sony Corp | データ記録媒体、データ記録方法および装置、並びにアクセス方法および装置 |
JP2002074848A (ja) * | 2000-08-28 | 2002-03-15 | Sony Corp | データ記録媒体、データ記録方法および装置、並びにアクセス方法および装置 |
US20080123491A1 (en) * | 2000-09-07 | 2008-05-29 | Samsung Electronics Co., Ltd | Optical recording medium having read-only storage area and writeable storage area and recording/reproducing apparatus and method therefor |
US20020191788A1 (en) * | 2001-03-28 | 2002-12-19 | Eastman Kodak Company | Credit or debit copy-protected optical disc |
AU2002219606A1 (en) * | 2002-01-11 | 2003-07-30 | Fujitsu Limited | Optical information recording medium |
US6754165B2 (en) * | 2002-01-25 | 2004-06-22 | Robert C. Burnett | Diameter reducible, multiple part optical disk |
CN1625771A (zh) * | 2002-04-15 | 2005-06-08 | 富士通株式会社 | 光学存储装置和光学存储介质的读出/写入方法 |
JP2004094618A (ja) * | 2002-08-30 | 2004-03-25 | Fujitsu Ltd | コンテンツ配信方法及びそのシステム |
US20050207324A1 (en) * | 2003-05-23 | 2005-09-22 | Fujitsu Limited | Magneto-optical recording medium and method of making the same and magneto-optical recording medium drive |
JP2005135513A (ja) * | 2003-10-30 | 2005-05-26 | Fujitsu Ltd | 情報記録媒体及び情報記録再生装置 |
CN1938772A (zh) * | 2004-06-09 | 2007-03-28 | 富士通株式会社 | 记录介质和用于记录介质驱动的信号处理单元 |
US7302538B2 (en) * | 2004-10-15 | 2007-11-27 | Ulead Systems, Inc. | Storage medium for data backup and method for the same |
DE102004055956A1 (de) * | 2004-11-19 | 2006-05-24 | Ulead Systems Inc. | Speichermedium und Verfahren zur Datensicherung |
JP4533854B2 (ja) * | 2006-03-06 | 2010-09-01 | 株式会社東芝 | 磁気記録再生装置、磁気記録方法、及び磁気記録再生方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60261043A (ja) * | 1984-06-07 | 1985-12-24 | Victor Co Of Japan Ltd | 情報記録媒体円盤 |
DE3732875A1 (de) * | 1987-09-30 | 1989-04-20 | Thomson Brandt Gmbh | Optischer aufzeichnungstraeger |
JP2760812B2 (ja) * | 1988-09-28 | 1998-06-04 | 株式会社日立製作所 | 光再生装置及び光再生方法 |
US5214627A (en) * | 1989-02-08 | 1993-05-25 | Fujitsu Limited | Optical disk having read-exclusive and write-enable regions |
JPH02244445A (ja) * | 1989-03-17 | 1990-09-28 | Hitachi Ltd | 光学的情報記録媒体および光学的情報記録再生装置 |
US5150339A (en) * | 1989-04-24 | 1992-09-22 | Hitachi, Ltd. | Optical disk medium and its application method and system |
JPH0383226A (ja) * | 1989-08-25 | 1991-04-09 | Sony Corp | 記録媒体 |
US5138598A (en) * | 1990-01-25 | 1992-08-11 | Sony Corporation | Optical disk having relatively wide ram tracks and relatively narrow rom tracks |
JP2773353B2 (ja) * | 1990-02-14 | 1998-07-09 | ソニー株式会社 | データ記録トラック |
JPH04177636A (ja) * | 1990-11-09 | 1992-06-24 | Victor Co Of Japan Ltd | 光学的情報記録媒体及びその製造方法 |
US5204852A (en) * | 1990-02-17 | 1993-04-20 | Victor Company Of Japan, Ltd. | Optical disc-like recoding medium and manufacturing method thereof |
JP3016441B2 (ja) * | 1990-09-25 | 2000-03-06 | ソニー株式会社 | ヘツド位置制御装置 |
JPH04134738A (ja) * | 1990-09-27 | 1992-05-08 | Ricoh Co Ltd | 光情報記録媒体 |
US5241531A (en) * | 1990-11-07 | 1993-08-31 | Matsushita Graphic Communication Systems, Inc. | Storage medium having read/write storage region and read-only storage region and a method for managing defective sectors in the storage medium |
JPH04177637A (ja) * | 1990-11-09 | 1992-06-24 | Victor Co Of Japan Ltd | 光学的情報記録媒体の製造方法 |
JP2940208B2 (ja) * | 1991-04-12 | 1999-08-25 | 松下電器産業株式会社 | 記録再生方法、および記録再生装置、光ディスク |
WO1993007617A1 (en) * | 1991-10-09 | 1993-04-15 | Seiko Epson Corporation | Data recording medium, its production, and data recording/reproduction apparatus |
-
1993
- 1993-12-03 DE DE4341223A patent/DE4341223B4/de not_active Expired - Lifetime
-
1994
- 1994-11-23 US US08/647,993 patent/US5812519A/en not_active Expired - Lifetime
- 1994-11-23 BR BR9408236A patent/BR9408236A/pt not_active IP Right Cessation
- 1994-11-23 SG SG1996007045A patent/SG50622A1/en unknown
- 1994-11-23 KR KR1019960702955A patent/KR100395586B1/ko not_active IP Right Cessation
- 1994-11-23 WO PCT/EP1994/003869 patent/WO1995015557A1/de active IP Right Grant
- 1994-11-23 CN CN94194366A patent/CN1136851A/zh active Pending
- 1994-11-23 EP EP95901416A patent/EP0731970B1/de not_active Expired - Lifetime
- 1994-11-23 JP JP51536695A patent/JP3733536B2/ja not_active Expired - Fee Related
- 1994-11-23 DE DE59408218T patent/DE59408218D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE4341223B4 (de) | 2010-11-18 |
US5812519A (en) | 1998-09-22 |
DE59408218D1 (de) | 1999-06-10 |
DE4341223A1 (de) | 1995-06-08 |
EP0731970A1 (de) | 1996-09-18 |
JPH09505923A (ja) | 1997-06-10 |
CN1136851A (zh) | 1996-11-27 |
BR9408236A (pt) | 1997-08-26 |
KR100395586B1 (ko) | 2003-11-28 |
EP0731970B1 (de) | 1999-05-06 |
JP3733536B2 (ja) | 2006-01-11 |
KR960706674A (ko) | 1996-12-09 |
WO1995015557A1 (de) | 1995-06-08 |
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