ES8602282A1 - Un aparato para reproducir informacion digital a traves de un medio de transmision, en particular un soporte de registro opticamente legible - Google Patents

Un aparato para reproducir informacion digital a traves de un medio de transmision, en particular un soporte de registro opticamente legible

Info

Publication number
ES8602282A1
ES8602282A1 ES536756A ES536756A ES8602282A1 ES 8602282 A1 ES8602282 A1 ES 8602282A1 ES 536756 A ES536756 A ES 536756A ES 536756 A ES536756 A ES 536756A ES 8602282 A1 ES8602282 A1 ES 8602282A1
Authority
ES
Spain
Prior art keywords
transmission medium
digital information
information via
reproducing digital
intersections
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
Application number
ES536756A
Other languages
English (en)
Other versions
ES536756A0 (es
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES536756A0 publication Critical patent/ES536756A0/es
Publication of ES8602282A1 publication Critical patent/ES8602282A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • G11B20/10203—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter baseline correction
    • 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
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters 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
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • H04L7/0334—Processing of samples having at least three levels, e.g. soft decisions

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Automatic Disk Changers (AREA)
  • Luminescent Compositions (AREA)
  • Magnetic Record Carriers (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

PERFECCIONAMIENTOS EN UN APARATO PARA REPRODUCIR INFORMACION DIGITAL A TRAVES DE UN MEDIO DE TRANSMISION, PARTICULARMENTE UN SOPORTE DE GRABACION LEGIBLE OPTICAMENTE. CONSISTENTES EN: DOTAR AL APARATO DE UNOS ELEMENTOS PARA MUESTREAR LA AMPLITUD DE LA SEÑAL REPRODUCIDA A AMBOS LADOS DE LOS PRIMEROS INSTANTES EN LOS QUE LA SEÑAL REPRODUCIDA CORTA AL NIVEL DE DECISION EN UNA PRIMERA DE DOS DIRECCIONES POSIBLES; DOTAR AL APARATO DE DISPOSITIVOS PARA GENERAR UNA PRIMERA SEÑAL QUE ES UNA MEDIDA DE LA DIFERENCIA DE AMPLITUD ENTRE EL NIVEL DE DECISION Y UNA INTERPOLACION DE LAS MUESTRAS A AMBOS LADOS DEL PRIMER INSTANTE; APLICAR LA PRIMERA SEÑAL A LOS ELEMENTOS DE OSCILADOR PARA CONTROLARLOS Y ENCLAVAR LA FASE DE LA SEÑAL DE RELOJ A BASE DE TIEMPO DE LA SEÑAL DIGITAL REPRODUCIDA.
ES536756A 1983-10-17 1984-10-15 Un aparato para reproducir informacion digital a traves de un medio de transmision, en particular un soporte de registro opticamente legible Expired ES8602282A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8303563A NL8303563A (nl) 1983-10-17 1983-10-17 Inrichting voor het weergeven van digitale informatie via een overdrachtsmedium.

Publications (2)

Publication Number Publication Date
ES536756A0 ES536756A0 (es) 1985-11-01
ES8602282A1 true ES8602282A1 (es) 1985-11-01

Family

ID=19842570

Family Applications (1)

Application Number Title Priority Date Filing Date
ES536756A Expired ES8602282A1 (es) 1983-10-17 1984-10-15 Un aparato para reproducir informacion digital a traves de un medio de transmision, en particular un soporte de registro opticamente legible

Country Status (13)

Country Link
US (1) US4637006A (es)
EP (1) EP0138274B1 (es)
JP (1) JPS60111371A (es)
KR (1) KR920009194B1 (es)
AT (1) ATE36770T1 (es)
AU (1) AU573487B2 (es)
CA (1) CA1235493A (es)
DD (1) DD224710A5 (es)
DE (1) DE3473672D1 (es)
ES (1) ES8602282A1 (es)
HK (1) HK84891A (es)
NL (1) NL8303563A (es)
SG (1) SG50990G (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH069106B2 (ja) * 1987-07-22 1994-02-02 シャープ株式会社 ディジタルデ−タ検出器
GB2224911A (en) * 1988-11-09 1990-05-16 Philips Nv Method of and apparatus for assigning binary values to sample values
DE68921173T2 (de) * 1988-12-21 1995-09-21 Matsushita Electric Ind Co Ltd Datenaufzeichnungs-wiedergabegerät auf einer Aufzeichnungsscheibe.
JPH0834046B2 (ja) * 1989-10-26 1996-03-29 日本ビクター株式会社 データ検出用信号発生回路
JP2866750B2 (ja) * 1991-01-28 1999-03-08 三菱電機株式会社 半導体試験装置および半導体装置の試験方法
US5901173A (en) * 1996-12-09 1999-05-04 Raytheon Company Noise Estimator
JP3883090B2 (ja) * 1999-02-17 2007-02-21 富士通株式会社 データ再生システムにおけるクロック調整装置
FR2801149B1 (fr) * 1999-10-28 2002-02-01 St Microelectronics Sa Dispositif electronique de calcul du dephasage mutuel de deux signaux incidents echantillonnes
CN100442379C (zh) * 2004-06-17 2008-12-10 瑞昱半导体股份有限公司 检测光盘读取信号的同步信号的方法及其装置
CN100411046C (zh) * 2004-06-23 2008-08-13 瑞昱半导体股份有限公司 用于光盘的同步信号检测方法及其装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2139404C3 (de) * 1971-08-06 1980-12-04 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur Synchronisierung
NL8103305A (nl) * 1981-07-10 1983-02-01 Philips Nv Opto-elektronische inrichting voor het met een stralingsbundel inschrijven en/of uitlezen van registratiesporen.
JPS5813046A (ja) * 1981-07-17 1983-01-25 Victor Co Of Japan Ltd デ−タ読み取り回路
DE3272034D1 (en) * 1981-10-14 1986-08-21 Hitachi Ltd Digital player for reproducing a digital signal sequence
JPS5877036A (ja) * 1981-10-30 1983-05-10 Olympus Optical Co Ltd ピット中心検出方法
JPS5992410A (ja) * 1982-11-17 1984-05-28 Sony Corp デ−タ検出装置
NL8303564A (nl) * 1983-10-17 1985-05-17 Philips Nv Inrichting voor het weergeven van informatie van een optisch uitleesbare registratiedrager.

Also Published As

Publication number Publication date
US4637006A (en) 1987-01-13
ES536756A0 (es) 1985-11-01
KR920009194B1 (ko) 1992-10-14
DD224710A5 (de) 1985-07-10
JPH0556591B2 (es) 1993-08-19
AU573487B2 (en) 1988-06-09
NL8303563A (nl) 1985-05-17
ATE36770T1 (de) 1988-09-15
KR850003029A (ko) 1985-05-28
CA1235493A (en) 1988-04-19
DE3473672D1 (en) 1988-09-29
SG50990G (en) 1990-08-31
EP0138274B1 (en) 1988-08-24
JPS60111371A (ja) 1985-06-17
EP0138274A1 (en) 1985-04-24
AU3440784A (en) 1985-04-26
HK84891A (en) 1991-11-08

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19990201