ATE245302T1 - Vorrichtung zum kodieren / dekodieren von daten und gerät das die vorrichtung verwendet - Google Patents

Vorrichtung zum kodieren / dekodieren von daten und gerät das die vorrichtung verwendet

Info

Publication number
ATE245302T1
ATE245302T1 AT00902780T AT00902780T ATE245302T1 AT E245302 T1 ATE245302 T1 AT E245302T1 AT 00902780 T AT00902780 T AT 00902780T AT 00902780 T AT00902780 T AT 00902780T AT E245302 T1 ATE245302 T1 AT E245302T1
Authority
AT
Austria
Prior art keywords
output
encoding
encoded
input
data encoding
Prior art date
Application number
AT00902780T
Other languages
English (en)
Inventor
Clive Jones
Meadows Stukeley
Richard Hollinshead
Original Assignee
Meridian Audio Ltd
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 Meridian Audio Ltd filed Critical Meridian Audio Ltd
Application granted granted Critical
Publication of ATE245302T1 publication Critical patent/ATE245302T1/de

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
    • G11B20/14—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
    • G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
    • G11B20/1419—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code
    • 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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Error Detection And Correction (AREA)
  • Dc Digital Transmission (AREA)
AT00902780T 1999-02-19 2000-02-11 Vorrichtung zum kodieren / dekodieren von daten und gerät das die vorrichtung verwendet ATE245302T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9903900.0A GB9903900D0 (en) 1999-02-19 1999-02-19 Data encoding/decoding device and apparatus using the same
PCT/GB2000/000447 WO2000049612A1 (en) 1999-02-19 2000-02-11 Data encoding/decoding device and apparatus using the same

Publications (1)

Publication Number Publication Date
ATE245302T1 true ATE245302T1 (de) 2003-08-15

Family

ID=10848160

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00902780T ATE245302T1 (de) 1999-02-19 2000-02-11 Vorrichtung zum kodieren / dekodieren von daten und gerät das die vorrichtung verwendet

Country Status (11)

Country Link
US (1) US7245721B1 (de)
EP (1) EP1151433B1 (de)
JP (1) JP3993982B2 (de)
KR (1) KR100530874B1 (de)
CN (1) CN1344409A (de)
AT (1) ATE245302T1 (de)
AU (1) AU2452000A (de)
DE (1) DE60003890D1 (de)
GB (1) GB9903900D0 (de)
HK (1) HK1038424A1 (de)
WO (1) WO2000049612A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2435624C (en) * 2000-09-22 2013-05-07 Richard B. Levine Systems and methods for preventing unauthorized use of digital content
JP6001563B2 (ja) * 2011-02-07 2016-10-05 アクセス ビジネス グループ インターナショナル リミテッド ライアビリティ カンパニー 無線電力伝送システムで通信を提供するシステム及び方法
CN103327014B (zh) * 2013-06-06 2015-08-19 腾讯科技（深圳）有限公司 一种语音处理方法、装置及系统
US9639499B2 (en) * 2013-06-12 2017-05-02 Qualcomm Incorporated Camera control interface extension bus
CN105681819B (zh) * 2014-11-18 2020-01-07 中兴通讯股份有限公司 信号的发送、接收方法及装置、系统
KR101893829B1 (ko) * 2016-09-29 2018-08-31 주식회사 온피아 데이터 변조를 통한 녹취파일의 암호화 및 복호화 방법
CN114095669A (zh) * 2021-10-20 2022-02-25 瑞芯微电子股份有限公司 一种多输入多输出的视频桥接芯片

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2003705B (en) 1977-08-27 1982-03-03 Emi Ltd Data transmission
US4663500A (en) 1982-02-22 1987-05-05 Nec Corporation Cryptographic system
GB2155281A (en) 1983-06-29 1985-09-18 Ma Com Dcc Inc Probabilistic scrambler and method of probabilistic scrambling
US4672605A (en) * 1984-03-20 1987-06-09 Applied Spectrum Technologies, Inc. Data and voice communications system
GB2180725B (en) * 1985-09-19 1989-01-25 Stc Plc Digital communication circuit
US4893339A (en) * 1986-09-03 1990-01-09 Motorola, Inc. Secure communication system
JPH0727325B2 (ja) 1987-02-13 1995-03-29 沖電気工業株式会社 暗号化装置
US5367516A (en) 1993-03-17 1994-11-22 Miller William J Method and apparatus for signal transmission and reception
US5768426A (en) * 1993-11-18 1998-06-16 Digimarc Corporation Graphics processing system employing embedded code signals
NL9400176A (nl) 1994-02-04 1995-09-01 Nederland Ptt Cryptografische inrichting.
JPH0823331A (ja) 1994-07-07 1996-01-23 Murata Mach Ltd 暗号化通信方法及び装置
WO1996027191A1 (en) * 1995-02-28 1996-09-06 Isis Innovation Limited Covert identification
US5946355A (en) * 1997-03-21 1999-08-31 Tektronix, Inc. Serial-digital receiver

Also Published As

Publication number Publication date
HK1038424A1 (en) 2002-03-15
EP1151433B1 (de) 2003-07-16
US7245721B1 (en) 2007-07-17
EP1151433A1 (de) 2001-11-07
AU2452000A (en) 2000-09-04
WO2000049612A1 (en) 2000-08-24
KR100530874B1 (ko) 2005-11-23
JP3993982B2 (ja) 2007-10-17
KR20020007306A (ko) 2002-01-26
DE60003890D1 (de) 2003-08-21
JP2002537587A (ja) 2002-11-05
CN1344409A (zh) 2002-04-10
GB9903900D0 (en) 1999-04-14

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Legal Events

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