ES2194882T3 - Aparato de lectura resistente a vibraciones con sincronizacion mejorada. - Google Patents
Aparato de lectura resistente a vibraciones con sincronizacion mejorada.Info
- Publication number
- ES2194882T3 ES2194882T3 ES95119334T ES95119334T ES2194882T3 ES 2194882 T3 ES2194882 T3 ES 2194882T3 ES 95119334 T ES95119334 T ES 95119334T ES 95119334 T ES95119334 T ES 95119334T ES 2194882 T3 ES2194882 T3 ES 2194882T3
- Authority
- ES
- Spain
- Prior art keywords
- information
- synchronization
- memory
- interruption
- valid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
- G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
- G11B27/3063—Subcodes
-
- 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
- G11B20/10527—Audio or video recording; Data buffering arrangements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
-
- 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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0946—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration
-
- 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
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2545—CDs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
1. LA INVENCION SE REFIERE A UN PROCEDIMIENTO Y UNA DISPOSICION PARA UN APARATO DE REPRODUCCION RESISTENTE A TREPIDACION, DONDE SE GARANTIZA UNA REPRODUCCION DE INFORMACION NO INTERRUMPIDA Y SIN PERTURBACION INCLUSO EN CASOS DE TREPIDACION. 2.1. ES OBJETIVO DE LA INVENCION LA MEJORA EN PARTICULAR DE LA ACCESIBILIDAD Y EXACTITUD DE SINCRONIZACION, DESPUES DE UNA INTERRUPCION POR MEDIO DE UNA TREPIDACION O DE UN GOLPE Y EVITAR OTRAS DESVENTAJAS DE SOLUCION CONOCIDA CON RESPECTO AL TIEMPO DE ACCESO Y AL COSTE. 2.2. DE ACUERDO CON LA INVENCION SE HA PREVISTO UNA UNIDAD (9) DE CONTROL QUE COMIENZA CON UN BYTE (S0) DE SINCRONIZACION Y DESPUES DE UNA INTERRUPCION, ACUMULANDO LA DIRECCION DEL INDICADOR DE ESCRITURA DE LA MEMORIA (8) INTERMEDIA EN LA ULTIMA INFORMACION DE SUBCODIGO VALIDA PARA LA SINCRONIZACION DE LA CORRIENTE DE DATOS EN LA MEMORIA (8) INTERMEDIA. SE UTILIZA UNA INFORMACION DE DIRECCION PARA SINCRONIZACION DE FORMA CARACTERISTICA EN LA CORRIENTE DE DATOS DEL LUGAR DE INTERRUPCION,DONDE EL PUNTO DE PARTIDA DE SINCRONIZACION FORMA UN SUBCODIGO VALIDO, CUYA INFORMACION DE DIRECCION SE UTILIZA COMO REFERENCIA TANTO PARA LUGAR DE LA INTERRUPCION SOBRE EL SOPORTE DE INFORMACION COMO, TAMBIEN PARA EL ULTIMO DATO VALIDO EN LA MEMORIA INTERMEDIA Y PARA SU ESCRITURA EN LA MEMORIA INTERMEDIA. SE ELEVA ESPECIALMENTE LA ACCESIBILIDAD DE SINCRONIZACION, SE REDUCE EL TIEMPO DE ACCESO Y LA UTILIZACION DE ENERGIA Y SE DISMINUYE EL COSTE. 2.3. EL APARATO DE REPRODUCCION RESISTENTE A TREPIDACION DE ACUERDO CON LA INVENCION SE REFIERE ESPECIALMENTE A SU UTILIZACION MOVIL Y TRANSPORTABLE DE APARATOS DE REPRODUCCION DE SOPORTE DE INFORMACION OPTICA, DONDE SE GARANTIZA UNA REPRODUCCION DE INFORMACION ININTERRUMPIDA Y SIN PERTURBACION INCLUSO EN CASOS DE TREPIDACION, DONDE ESTA RESTRINGIDA LA ZONA DE UTILIZACION PERO NO SIN EMBARGO SOBRE SOPORTES DE INFORMACION OPTICAS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4445013A DE4445013A1 (de) | 1994-12-16 | 1994-12-16 | Erschütterungsresistentes Abspielgerät mit verbesserter Synchronisation |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2194882T3 true ES2194882T3 (es) | 2003-12-01 |
Family
ID=6536081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES95119334T Expired - Lifetime ES2194882T3 (es) | 1994-12-16 | 1995-12-07 | Aparato de lectura resistente a vibraciones con sincronizacion mejorada. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5910935A (es) |
EP (1) | EP0717407B1 (es) |
JP (1) | JP3900547B2 (es) |
CN (1) | CN1141706C (es) |
DE (2) | DE4445013A1 (es) |
ES (1) | ES2194882T3 (es) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19708095A1 (de) * | 1997-02-28 | 1998-09-03 | Thomson Brandt Gmbh | Verfahren und Anordnung zum Steuern des Datenstroms bei einem erschütterungsresistenten Abspielgerät |
TW359811B (en) * | 1997-09-23 | 1999-06-01 | Mediatek Inc | CD playback system with synchronous and anti-vibration functions |
NL1007870C2 (nl) * | 1997-12-23 | 1999-06-30 | United Microelectronics Corp | Compact disc-spelersysteem met een voor trilling ongevoelig vermogen tot ononderbroken afspelen. |
JP3073969B2 (ja) | 1998-09-29 | 2000-08-07 | 松下電器産業株式会社 | 光ディスク再生装置、及びその制御方法 |
JP2001216645A (ja) | 1999-11-22 | 2001-08-10 | Sanyo Electric Co Ltd | 制御装置 |
JP2001216646A (ja) | 1999-11-22 | 2001-08-10 | Sanyo Electric Co Ltd | データ記録装置 |
JP2001216644A (ja) | 1999-11-22 | 2001-08-10 | Sanyo Electric Co Ltd | データ記録装置 |
JP3653459B2 (ja) * | 1999-11-22 | 2005-05-25 | 三洋電機株式会社 | 制御装置 |
JP3594547B2 (ja) * | 1999-11-22 | 2004-12-02 | 三洋電機株式会社 | データ記録装置 |
JP2001216647A (ja) * | 1999-11-22 | 2001-08-10 | Sanyo Electric Co Ltd | 制御装置 |
JP3545330B2 (ja) | 1999-12-27 | 2004-07-21 | 三洋電機株式会社 | 記録制御装置 |
JP2001250329A (ja) * | 1999-12-27 | 2001-09-14 | Sanyo Electric Co Ltd | データ記録装置 |
JP3754288B2 (ja) * | 1999-12-27 | 2006-03-08 | 三洋電機株式会社 | 制御装置 |
JP2001351331A (ja) * | 2000-06-06 | 2001-12-21 | Sony Corp | メモリ制御装置 |
KR100396886B1 (ko) * | 2001-01-11 | 2003-09-03 | 삼성전자주식회사 | 호스트 컴퓨터로 광기기 디스크 드라이브의 서브코드데이터 제공 방법 |
JP2002230772A (ja) * | 2001-01-31 | 2002-08-16 | Sanyo Electric Co Ltd | データ記録装置及びデータ記録装制御装置 |
DE602005003953T2 (de) * | 2004-07-30 | 2008-05-21 | Thomson Licensing | Verfahren zur pufferung von audiodaten bei optischen plattensystemen im falle mechanischer erschütterungen oder vibrationen |
US8139453B2 (en) * | 2006-09-22 | 2012-03-20 | Panasonic Corporation | Buffering control method, and buffering control device |
JP4525726B2 (ja) * | 2007-10-23 | 2010-08-18 | 富士ゼロックス株式会社 | 復号装置、復号プログラム及び画像処理装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3470242D1 (en) * | 1983-10-05 | 1988-05-05 | Nippon Musical Instruments Mfg | Data processing circuit for digital audio system |
DE3619258A1 (de) * | 1986-06-07 | 1987-12-10 | Blaupunkt Werke Gmbh | Compact disc (cd)-spieler |
KR910003378B1 (ko) * | 1986-10-02 | 1991-05-28 | 니뽕 빅터 가부시끼가이샤 | 디지탈 신호 복조 및 재생장치 |
JPH033165A (ja) * | 1989-05-31 | 1991-01-09 | Sony Corp | 光ディスク再生装置 |
US5224089A (en) * | 1989-06-30 | 1993-06-29 | Matsushita Electric Industrial Co., Ltd. | Digital signal information reproduction apparatus |
US5212678A (en) * | 1989-11-23 | 1993-05-18 | U.S. Philips Corporation | System for recording and reading information on a record carrier at a constant scanning speed independent of the bit rate of such information |
JPH04254959A (ja) * | 1991-02-05 | 1992-09-10 | Sony Corp | 記録媒体の再生装置 |
NL9102190A (nl) * | 1991-12-30 | 1993-07-16 | Philips Nv | Optische uitleesinrichting, alsmede een optische optekeninrichting. |
JP3084916B2 (ja) * | 1992-03-31 | 2000-09-04 | ソニー株式会社 | ディスクプレーヤの再生データ処理回路 |
-
1994
- 1994-12-16 DE DE4445013A patent/DE4445013A1/de not_active Withdrawn
-
1995
- 1995-12-05 CN CNB951202243A patent/CN1141706C/zh not_active Expired - Fee Related
- 1995-12-06 US US08/567,997 patent/US5910935A/en not_active Expired - Lifetime
- 1995-12-07 DE DE59510593T patent/DE59510593D1/de not_active Expired - Lifetime
- 1995-12-07 EP EP95119334A patent/EP0717407B1/de not_active Expired - Lifetime
- 1995-12-07 ES ES95119334T patent/ES2194882T3/es not_active Expired - Lifetime
- 1995-12-18 JP JP34833695A patent/JP3900547B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3900547B2 (ja) | 2007-04-04 |
JPH08235777A (ja) | 1996-09-13 |
EP0717407A1 (de) | 1996-06-19 |
DE59510593D1 (de) | 2003-04-24 |
EP0717407B1 (de) | 2003-03-19 |
US5910935A (en) | 1999-06-08 |
CN1132909A (zh) | 1996-10-09 |
CN1141706C (zh) | 2004-03-10 |
DE4445013A1 (de) | 1996-06-20 |
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