ES2173936T3 - Aparato reproductor resistente a vibraciones. - Google Patents

Aparato reproductor resistente a vibraciones.

Info

Publication number
ES2173936T3
ES2173936T3 ES95119333T ES95119333T ES2173936T3 ES 2173936 T3 ES2173936 T3 ES 2173936T3 ES 95119333 T ES95119333 T ES 95119333T ES 95119333 T ES95119333 T ES 95119333T ES 2173936 T3 ES2173936 T3 ES 2173936T3
Authority
ES
Spain
Prior art keywords
information
reproduction
reading
intermediate memory
speed
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
Application number
ES95119333T
Other languages
English (en)
Inventor
Hirohito Takagi
Richard Rutschmann
Olivier Lannuzel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deutsche Thomson Brandt GmbH
Original Assignee
Deutsche Thomson Brandt GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE4445023A external-priority patent/DE4445023A1/de
Priority claimed from DE19944445012 external-priority patent/DE4445012A1/de
Application filed by Deutsche Thomson Brandt GmbH filed Critical Deutsche Thomson Brandt GmbH
Application granted granted Critical
Publication of ES2173936T3 publication Critical patent/ES2173936T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
    • 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
    • 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
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Rotational Drive Of Disk (AREA)

Abstract

LA INVENCION SE REFIERE A PROCEDIMIENTOS Y DISPOSICIONES PARA UN APARATO DE REPRODUCCION RESISTENTE A TREPIDACIONES, DONDE SE GARANTIZA EN SITUACION DE TREPIDACION UNA REPRODUCCION DE INFORMACION NO INTERRUMPIDA O NO PERTURBADA. ES EL OBJETIVO DE LA INVENCION LA REDUCCION DE LA ENERGIA NECESARIA EN UNA CANTIDAD DE PISTAS DE RECUPERACION DEL EQUIPO DE REPRODUCCION, QUE SE ENCUENTRA EN DEPENDENCIA DEL AJUSTE DE UN AMORTIGUADOR DE DATOS SUFICIENTE EN UNA MEMORIA INTERMEDIA Y EVITAR OTRAS DESVENTAJAS REFERENTES A SOLUCIONES CONOCIDAS DE SINCRONIZACION RESPECTIVA, TIEMPO DE ACCESO Y COSTE. DE ACUERDO CON LA INVENCION SE AJUSTA UNA PRIMERA VELOCIDAD (V1) DE LECTURA Y UNA SEGUNDA VELOCIDAD (V2) DE LECTURA, QUE SE ENCUENTRA EN DEPENDENCIA DE LAS INFORMACIONES ALMACENADAS EN EL SOPORTE DE INFORMACION A PARTIR DE UNA SITUACION (N%) DE LLENADO PREVIAMENTE DADA DE LA MEMORIA INTERMEDIA POR DEBAJO DE SU CAPACIDAD DE MEMORIA CON UNA UNIDAD DE CONTROL, A FIN DE REDUCIR LA CANTIDAD DE PISTAS DE RETORNO. DEACUERDO CON LA INVENCION EL MOTOR (M) DE ACCIONAMIENTO QUE GENERA LA VELOCIDAD DE LECTURA ESTA UNIDO A TRAVES DE UN INTERRUPTOR (SW) CON EL IMPULSOR (D) A SER CONTROLADO Y SE REDUCE DURANTE LA DISMINUCION DE LA VELOCIDAD DE LECTURA HASTA UN VALOR PREVIAMENTE DADO O HASTA UNA SITUACION DE LLENADO PREVIAMENTE DADO POR DEBAJO DE UN VALOR DE LA MEMORIA INTERMEDIA CON LA AFLUENCIA DE ENERGIA AL MOTOR (M) DE ACCIONAMIENTO, QUE GENERA LA VELOCIDAD DE LECTURA CON UN INTERRUPTOR (SW) CON EL OBJETIVO DE REDUCIR LA UTILIZACION DE ENERGIA. PARA LA SINCRONIZACION DE LOS DATOS EN LA MEMORIA INTERMEDIA DESPUES DE UNA INTERRUPCION SE UTILIZAN CON PREFERENCIA INFORMACIONES DE SUBCODIGOS Y LA MEMORIA INTERMEDIA ESTA DISPUESTA CON PREFERENCIA ENTRE UN PRIMER GRUPO CONSTRUCTIVO PARA LA FORMACION DE IMPULSOS DE LAS SEÑALES LEIDAS POR EL SOPORTE DE INFORMACION Y UN SEGUNDO GRUPO CONSTRUCTIVO PARA LA CORRECCION DE FALLOS. SE REDUCE ESPECIALMENTE LA UTILIZACION DE ENERGIA, SE ELEVA LA ACCESIBILIDAD DE SINCRONIZACION, SE REDUCE EL TIEMPO DE ACCESO Y SE DISMINUYE EL COSTE. EL APARATO DE REPRODUCCION RESISTENTE A TREPIDACION EN LA ZONA DE UTILIZACION SE REFIERE ESPECIALMENTE A SU APLICACION EN FORMA TRANSPORTABLE O UTILIZACION MOVIL DE SOPORTES DE INFORMACION OPTICOS EN EL APARATO DE REPRODUCCION, EN DONDE SE GARANTIZA UNA REPRODUCCION DE INFORMACION NO INTERRUMPIDA O NO PERTURBADA INCLUSO EN SITUACIONES DE TREPIDACION, CON LO CUAL NO SE RESTRINGE LA ZONA DE UTILIZACION SOBRE SOPORTE DE INFORMACION OPTICO.
ES95119333T 1994-12-16 1995-12-07 Aparato reproductor resistente a vibraciones. Expired - Lifetime ES2173936T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4445023A DE4445023A1 (de) 1994-12-16 1994-12-16 Erschütterungsresistentes Abspielgerät mit verringertem Energieverbrauch
DE19944445012 DE4445012A1 (de) 1994-12-16 1994-12-16 Erschütterungsresistentes Abspielgerät mit verringerter Rücksprungzahl

Publications (1)

Publication Number Publication Date
ES2173936T3 true ES2173936T3 (es) 2002-11-01

Family

ID=25942950

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95119333T Expired - Lifetime ES2173936T3 (es) 1994-12-16 1995-12-07 Aparato reproductor resistente a vibraciones.

Country Status (9)

Country Link
US (2) US6115337A (es)
EP (1) EP0717406B1 (es)
JP (1) JPH08273295A (es)
KR (1) KR100406805B1 (es)
CN (1) CN1114914C (es)
DE (1) DE59510107D1 (es)
ES (1) ES2173936T3 (es)
MY (1) MY115451A (es)
TW (1) TW279228B (es)

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Also Published As

Publication number Publication date
CN1132908A (zh) 1996-10-09
US5943307A (en) 1999-08-24
JPH08273295A (ja) 1996-10-18
MY115451A (en) 2003-06-30
CN1114914C (zh) 2003-07-16
KR100406805B1 (ko) 2004-03-02
TW279228B (es) 1996-06-21
EP0717406B1 (de) 2002-03-13
EP0717406A1 (de) 1996-06-19
DE59510107D1 (de) 2002-04-18
KR960025694A (ko) 1996-07-20
US6115337A (en) 2000-09-05

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