DE69327740T2 - Verfahren und Gerät zur Modulation und Demodulation - Google Patents

Verfahren und Gerät zur Modulation und Demodulation

Info

Publication number
DE69327740T2
DE69327740T2 DE69327740T DE69327740T DE69327740T2 DE 69327740 T2 DE69327740 T2 DE 69327740T2 DE 69327740 T DE69327740 T DE 69327740T DE 69327740 T DE69327740 T DE 69327740T DE 69327740 T2 DE69327740 T2 DE 69327740T2
Authority
DE
Germany
Prior art keywords
digital data
variable length
length code
code
discriminating
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
DE69327740T
Other languages
English (en)
Other versions
DE69327740D1 (de
Inventor
Hiroyuki Ino
Yoshihide Shimpuku
Yasuyuki Chaki
Toshiyuki Nakagawa
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.)
Sony Corp
Original Assignee
Sony Corp
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 JP08640492A external-priority patent/JP3318873B2/ja
Priority claimed from JP15442592A external-priority patent/JP3187528B2/ja
Priority claimed from JP04157559A external-priority patent/JP3134500B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69327740D1 publication Critical patent/DE69327740D1/de
Publication of DE69327740T2 publication Critical patent/DE69327740T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels
    • H03M5/14—Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code
    • H03M5/145—Conversion to or from block codes or representations 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
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Amplitude Modulation (AREA)
  • Burglar Alarm Systems (AREA)
DE69327740T 1992-03-10 1993-03-10 Verfahren und Gerät zur Modulation und Demodulation Expired - Lifetime DE69327740T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP08640492A JP3318873B2 (ja) 1992-03-10 1992-03-10 符号化装置および復号化装置
JP15442592A JP3187528B2 (ja) 1992-05-21 1992-05-21 符号化装置および復号化装置
JP04157559A JP3134500B2 (ja) 1992-05-25 1992-05-25 符号化方法ならびに符号化装置および復号化装置

Publications (2)

Publication Number Publication Date
DE69327740D1 DE69327740D1 (de) 2000-03-09
DE69327740T2 true DE69327740T2 (de) 2000-06-08

Family

ID=27305170

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69327740T Expired - Lifetime DE69327740T2 (de) 1992-03-10 1993-03-10 Verfahren und Gerät zur Modulation und Demodulation

Country Status (10)

Country Link
US (1) US5400023A (de)
EP (2) EP0875998A3 (de)
CN (2) CN1053986C (de)
AT (1) ATE189568T1 (de)
AU (1) AU666166B2 (de)
CA (1) CA2091208A1 (de)
DE (1) DE69327740T2 (de)
ES (1) ES2141734T3 (de)
MY (1) MY109328A (de)
TW (1) TW219416B (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3427392B2 (ja) * 1992-05-25 2003-07-14 ソニー株式会社 符号化方法
JP3428039B2 (ja) * 1992-06-30 2003-07-22 ソニー株式会社 同期信号検出器、同期信号検出方法及び復号化装置
JP3127655B2 (ja) * 1993-03-22 2001-01-29 ソニー株式会社 変調装置及び復調装置
JPH0730431A (ja) * 1993-04-02 1995-01-31 Toshiba Corp データ変復調方式および変復調装置
US5781131A (en) * 1994-12-12 1998-07-14 Sony Corporation Data encoding method and data decoding method
KR0155824B1 (ko) * 1995-05-29 1998-12-15 김광호 디지탈신호 기록장치
KR0183722B1 (ko) * 1995-07-20 1999-04-15 김광호 디지탈 신호 변조부호기 및 복호기
US5999570A (en) * 1995-11-21 1999-12-07 Sony Corporation Transmission apparatus, sending apparatus, and receiving apparatus, and transmission method
JP3184083B2 (ja) * 1995-12-15 2001-07-09 日本電気株式会社 チャネル多重分離方法およびチャネル多重分離装置
KR100219608B1 (ko) * 1996-07-23 1999-10-01 윤종용 디지탈 기록 미디어와 디지탈 통신등의 디지탈 채널에 채택되는 신호변조방법
US5781133A (en) * 1996-08-05 1998-07-14 Seagate Technology, Inc. Method and apparatus for implementing run length limited codes
EP0827310A3 (de) * 1996-08-30 2001-01-24 Sony Corporation Infrarotübertragung von digitalen Audiosignalen
JP3539091B2 (ja) * 1996-10-11 2004-06-14 ソニー株式会社 データ復号方法及びデータ復号装置
US6091347A (en) * 1997-05-23 2000-07-18 Sony Corporation Device and method for modulation and transmission medium
JP3760961B2 (ja) * 1997-09-11 2006-03-29 ソニー株式会社 変調装置および変調方法、復調装置および復調方法、並びに記録媒体
JP3716421B2 (ja) 1997-09-19 2005-11-16 ソニー株式会社 復調装置および復調方法
JP3722331B2 (ja) * 1997-12-12 2005-11-30 ソニー株式会社 変調装置および方法、並びに記録媒体
JP3870573B2 (ja) * 1998-08-24 2007-01-17 ソニー株式会社 変調装置および方法、記録媒体、並びに復調装置および方法
US7295554B1 (en) * 1999-03-12 2007-11-13 Lucent Technologies Inc. Word Multiplexing of encoded signals into a higher bit rate serial data stream
KR100565046B1 (ko) * 1999-04-21 2006-03-30 삼성전자주식회사 개선된 ｄｃ 억압 능력을 갖는 ｒｌｌ 코드 배치 방법, 변복조 방법 및 복조 장치
JP2003317401A (ja) * 2002-04-25 2003-11-07 Sanyo Electric Co Ltd データ記録制御装置
JP4141175B2 (ja) * 2002-05-14 2008-08-27 ソニー株式会社 データ記録媒体、データ記録方法および装置
US7212483B2 (en) * 2002-09-25 2007-05-01 Victor Company Of Japan, Limited Modulation device, modulation method and recording medium
CN101046961B (zh) * 2006-03-31 2011-10-12 北京希格玛和芯微电子技术有限公司 一种基于波形的语音压缩、解压缩方法及电路
JP2014229955A (ja) * 2013-05-20 2014-12-08 株式会社日立エルジーデータストレージ 変調復調方法、復調装置及び符号変調方法
CN112020150B (zh) * 2019-05-31 2022-04-22 上海华为技术有限公司 一种上行调度方法及装置、网络设备和可读存储介质

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4146909A (en) * 1977-11-21 1979-03-27 International Business Machines Corporation Sync pattern encoding system for run-length limited codes
JPS5665313A (en) * 1979-10-29 1981-06-03 Sony Corp Data converting circuit
US4463344A (en) * 1981-12-31 1984-07-31 International Business Machines Corporation Method and apparatus for generating a noiseless sliding block code for a (2,7) channel with rate 1/2
DE3602808A1 (de) * 1986-01-30 1987-08-06 Siemens Ag Codiereinrichtung fuer variable wortlaengen
US4914438A (en) * 1987-09-01 1990-04-03 Hitachi, Ltd. Digital information coding system
FR2627337B1 (fr) * 1988-02-17 1990-06-08 Thomson Csf Procede de codage et procede de decodage a longueur variable, dispositif de codage et dispositif de decodage pour la mise en oeuvre de ce proced
US4985700A (en) * 1988-03-01 1991-01-15 Canon Kabushiki Kaisha Variable-length coding/decoding device
JPH03145223A (ja) * 1989-10-30 1991-06-20 Toshiba Corp 可変長符号復調装置
DE69111633T2 (de) * 1990-01-30 1996-04-04 Philips Electronics Nv Vorrichtungen zur variablen Längen-Kodierung und Dekodierung von digitalen Daten.
US5034742A (en) * 1990-06-19 1991-07-23 The United States Of America As Represented By The Secretary Of The Navy Message compression encoder and encoding method for a communication channel
JPH0479421A (ja) * 1990-07-18 1992-03-12 Toshiba Corp 可変長符号化装置および可変長復号化装置
US5138314A (en) * 1990-07-18 1992-08-11 Sony Corporation Method for converting and/or detecting data
US5173694A (en) * 1990-10-29 1992-12-22 International Business Machines Corporation Binary data encoding and decoding using a rate 2/5 (2,18,2) code

Also Published As

Publication number Publication date
EP0560339B1 (de) 2000-02-02
MY109328A (en) 1997-01-31
EP0875998A2 (de) 1998-11-04
TW219416B (de) 1994-01-21
EP0560339A1 (de) 1993-09-15
CN1255702A (zh) 2000-06-07
AU3408393A (en) 1993-09-16
US5400023A (en) 1995-03-21
EP0875998A3 (de) 1999-01-07
DE69327740D1 (de) 2000-03-09
ATE189568T1 (de) 2000-02-15
CN1053986C (zh) 2000-06-28
AU666166B2 (en) 1996-02-01
CN1081014A (zh) 1994-01-19
ES2141734T3 (es) 2000-04-01
CA2091208A1 (en) 1993-09-11

Similar Documents

Publication Publication Date Title
DE69327740D1 (de) Verfahren und Gerät zur Modulation und Demodulation
DE69118421D1 (de) Gerät zur Wiedergabe von Daten, um eine hohe Übertragungsgeschwindigkeit zu realisieren
KR930000453B1 (ko) 디지틀변조장치와 복조장치
DE69616977D1 (de) Aufzeichnungsmedium mit Textinformation in einer Mehrzahl von Subcode-Gruppen und entsprechendes Wiedergabegerät
ZA814164B (en) Method of coding a sequence of blocks of binary data bits into a sequence of blocks or binary channel bits, arrangement for demodulating the data bits coded in accordance with the method, and recording medium having an information structure containing sequences of blocks of binary channel bits
DE69431713D1 (de) Optisches aufzeichnungsmedium, gerät zur wiedergabe von einer optischen platte, verfahren zur wiedergabe von einer optischen platte, verfahren zur herstellung von einer originalplatte und verfahren zum halten von illegalem programmablauf
US5355133A (en) Data modulating method and apparatus and data demodulating method and apparatus
KR960705316A (ko) 신호 변조 방법, 신호 변조 장치, 신호 복조 방법 및 신호 복조 장치(Signal modulating method, signal modulating apparatus, signal demodulating method and signal demodulating apparatus)
DE69433839D1 (de) Gerät zur Wiedergabe von digitalen Daten
RU95121738A (ru) Способ кодирования цифрового сигнала и устройство для его осуществления, носитель записи цифрового сигнала, и способ декодирования цифрового сигнала и устройство для его осуществления
DE60101881D1 (de) Modulationsverfahren, Modulator, Übertragungsgerät und Aufzeichnungsmedium
US4988999A (en) Digital modulation method
EP1288944A3 (de) Informationsaufzeichnungsgerät, -medium und -wiedergabegerät
DE69025593D1 (de) Datenaufzeichnung
DE3167931D1 (en) System for recording digital information in a pulse-length modulation format
ID27983A (id) Medium perekam data, aparatus perekam aparatus pereproduksi, dan metode pereproduksian
KR950034187A (ko) 변조 방법, 기록 방법, 재생 방법, 기록 및 재생 장치, 기록 및 재생 방법 및 재생 장치
EP0766406A1 (de) Vorrichting und verfahren zum konvertieren/dekodieren von koder und aufzeichnungsträger.
KR100189915B1 (ko) 신호변조/복조방법 및 그에 적합한 장치
ATE190425T1 (de) Aufzeichnungs und wiedergabeverfahren und gerät mit einer rastersonde
KR940002837A (ko) Qam변조방식을 사용한 디지탈 자기기록재생장치
JPH0150997B2 (de)
DE69217114T2 (de) System zur magnetischen Aufnahme/Wiedergabe von Signalen
JPH0150996B2 (de)
JPS56159843A (en) Modulation and demodulation system for digital recording

Legal Events

Date Code Title Description
8364 No opposition during term of opposition