JPH10256921A - ディジタルデータの変調及び復調方法並びにディジタルデータの変調及び復調装置 - Google Patents

ディジタルデータの変調及び復調方法並びにディジタルデータの変調及び復調装置

Info

Publication number
JPH10256921A
JPH10256921A JP9059321A JP5932197A JPH10256921A JP H10256921 A JPH10256921 A JP H10256921A JP 9059321 A JP9059321 A JP 9059321A JP 5932197 A JP5932197 A JP 5932197A JP H10256921 A JPH10256921 A JP H10256921A
Authority
JP
Japan
Prior art keywords
data
modulation
bit
code
error correction
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.)
Pending
Application number
JP9059321A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10256921A5 (https=
Inventor
Hiroshi Sasaki
佐々木  寛
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.)
Olympus Corp
Original Assignee
Olympus Optical Co 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP9059321A priority Critical patent/JPH10256921A/ja
Priority to US09/034,899 priority patent/US6144324A/en
Priority to EP98104284A priority patent/EP0865166A1/en
Publication of JPH10256921A publication Critical patent/JPH10256921A/ja
Publication of JPH10256921A5 publication Critical patent/JPH10256921A5/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00Conversion of the form of the representation of individual digits
    • H03M5/02Conversion to or from representation by pulses
    • H03M5/04Conversion to or from representation by pulses the pulses having two levels
    • H03M5/14Code 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
    • H03M5/145Conversion to or from block codes or representations thereof
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/14Digital recording or reproducing using self-clocking codes
    • G11B20/1403Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/31Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes combining coding for error detection or correction and efficient use of the spectrum
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/14Digital recording or reproducing using self-clocking codes
    • G11B20/1403Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • G11B2020/14388 to 10 modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Error Detection And Correction (AREA)
  • Dc Digital Transmission (AREA)
JP9059321A 1997-03-13 1997-03-13 ディジタルデータの変調及び復調方法並びにディジタルデータの変調及び復調装置 Pending JPH10256921A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP9059321A JPH10256921A (ja) 1997-03-13 1997-03-13 ディジタルデータの変調及び復調方法並びにディジタルデータの変調及び復調装置
US09/034,899 US6144324A (en) 1997-03-13 1998-03-04 Method of modulating and demodulating digital data and digital data modulator/demodulator
EP98104284A EP0865166A1 (en) 1997-03-13 1998-03-10 Method of modulating and demodulating digital data and digital data modulator demodulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9059321A JPH10256921A (ja) 1997-03-13 1997-03-13 ディジタルデータの変調及び復調方法並びにディジタルデータの変調及び復調装置

Publications (2)

Publication Number Publication Date
JPH10256921A true JPH10256921A (ja) 1998-09-25
JPH10256921A5 JPH10256921A5 (https=) 2005-02-10

Family

ID=13109989

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9059321A Pending JPH10256921A (ja) 1997-03-13 1997-03-13 ディジタルデータの変調及び復調方法並びにディジタルデータの変調及び復調装置

Country Status (3)

Country Link
US (1) US6144324A (https=)
EP (1) EP0865166A1 (https=)
JP (1) JPH10256921A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007226879A (ja) * 2006-02-22 2007-09-06 Sony Corp 記録変調符号の符号化方法およびその装置
US7434136B2 (en) 2003-02-18 2008-10-07 Fujitsu Limited Method of and apparatus for reading recording medium, harddisk controller

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19603443C1 (de) * 1996-01-31 1997-07-10 Siemens Ag Codemoduliertes Übertragungsverfahren und ein nach diesem Übertragungsverfahren arbeitendes Übertragungssystem
JPH11353420A (ja) * 1998-06-08 1999-12-24 Olympus Optical Co Ltd コードイメージ読取装置
US6604218B1 (en) * 1999-01-12 2003-08-05 Matsushita Electric Industrial Co., Ltd. Data encoding apparatus and data decoding apparatus
US6678854B1 (en) * 1999-10-12 2004-01-13 Ericsson, Inc. Methods and systems for providing a second data signal on a frame of bits including a first data signal and an error-correcting code
US6813396B1 (en) 2000-02-16 2004-11-02 Telefonatiebolaget L.M. Ericsson (Publ) Method for sharing information between electronic reading devices
ATE265716T1 (de) * 2000-02-16 2004-05-15 Ericsson Telefon Ab L M Stiftdrucker
US6839623B1 (en) 2000-02-16 2005-01-04 Telefonaktiebolaget Lm Ericsson (Publ) Positioning applications for an electronic reading device
US6952497B1 (en) 2000-02-16 2005-10-04 Telefonaktiebolaget L M Ericsson (Publ) Method and system for electronically recording transactions and performing security function
US6885878B1 (en) 2000-02-16 2005-04-26 Telefonaktiebolaget L M Ericsson (Publ) Method and system for using an electronic reading device as a general application input and navigation interface
US6832116B1 (en) 2000-02-16 2004-12-14 Telefonaktiebolaget L M Ericsson (Publ) Method and system for controlling an electronic utility device using an electronic reading device
JP4401578B2 (ja) * 2001-01-16 2010-01-20 キヤノン株式会社 情報処理装置及び方法及び記憶媒体
TWI227020B (en) * 2002-05-29 2005-01-21 Via Optical Solution Inc Signal correcting device and method
TWI283518B (en) * 2002-07-30 2007-07-01 Mediatek Inc Method for data modulation/demodulation and system using the same
US7009594B2 (en) 2002-10-31 2006-03-07 Microsoft Corporation Universal computing device
US7502507B2 (en) 2002-10-31 2009-03-10 Microsoft Corporation Active embedded interaction code
US7430497B2 (en) 2002-10-31 2008-09-30 Microsoft Corporation Statistical model for global localization
US7116840B2 (en) 2002-10-31 2006-10-03 Microsoft Corporation Decoding and error correction in 2-D arrays
US7133563B2 (en) * 2002-10-31 2006-11-07 Microsoft Corporation Passive embedded interaction code
EP1484761A1 (en) * 2003-06-05 2004-12-08 Deutsche Thomson-Brandt Gmbh Recovery of RLL encoded bit stream from an asymmetric data channel
US7583842B2 (en) 2004-01-06 2009-09-01 Microsoft Corporation Enhanced approach of m-array decoding and error correction
US7263224B2 (en) 2004-01-16 2007-08-28 Microsoft Corporation Strokes localization by m-array decoding and fast image matching
US7607076B2 (en) 2005-02-18 2009-10-20 Microsoft Corporation Embedded interaction code document
US7826074B1 (en) 2005-02-25 2010-11-02 Microsoft Corporation Fast embedded interaction code printing with custom postscript commands
US7599560B2 (en) 2005-04-22 2009-10-06 Microsoft Corporation Embedded interaction code recognition
US7421439B2 (en) 2005-04-22 2008-09-02 Microsoft Corporation Global metadata embedding and decoding
US7400777B2 (en) 2005-05-25 2008-07-15 Microsoft Corporation Preprocessing for information pattern analysis
US7729539B2 (en) 2005-05-31 2010-06-01 Microsoft Corporation Fast error-correcting of embedded interaction codes
US7580576B2 (en) 2005-06-02 2009-08-25 Microsoft Corporation Stroke localization and binding to electronic document
US7619607B2 (en) 2005-06-30 2009-11-17 Microsoft Corporation Embedding a pattern design onto a liquid crystal display
US7622182B2 (en) 2005-08-17 2009-11-24 Microsoft Corporation Embedded interaction code enabled display
US7817816B2 (en) 2005-08-17 2010-10-19 Microsoft Corporation Embedded interaction code enabled surface type identification
JP4679345B2 (ja) * 2005-11-17 2011-04-27 株式会社東芝 誤り訂正処理装置及び誤り訂正処理方法
JP4909824B2 (ja) * 2007-06-29 2012-04-04 株式会社東芝 誤り訂正処理装置及び誤り訂正処理方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5211916A (en) * 1975-07-18 1977-01-29 Hitachi Ltd Signalization method
JPS6012840A (ja) * 1983-07-02 1985-01-23 Sansui Electric Co デイジタル変調方式
US5257270A (en) * 1990-12-26 1993-10-26 Eastman Kodak Company Shift-correction code rate-enhancing parity encoding/decoding
US5406569A (en) * 1991-10-31 1995-04-11 Sony Corporation Error correcting apparatus for digital data and digital synchronizing detecting apparatus
DE69329120T2 (de) * 1992-09-28 2001-03-22 Olympus Optical Co Aufzeichnungsmedium für punktcode und informations-aufzeichnungssystem
JP2916373B2 (ja) * 1994-06-02 1999-07-05 オリンパス光学工業株式会社 情報記録媒体及び情報再生装置
JP2952170B2 (ja) * 1994-12-16 1999-09-20 オリンパス光学工業株式会社 情報再生システム
US5825309A (en) * 1995-08-21 1998-10-20 Olympus Optical Co., Ltd, Data modulating method and modulating and demodulating apparatuses

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7434136B2 (en) 2003-02-18 2008-10-07 Fujitsu Limited Method of and apparatus for reading recording medium, harddisk controller
JP2007226879A (ja) * 2006-02-22 2007-09-06 Sony Corp 記録変調符号の符号化方法およびその装置

Also Published As

Publication number Publication date
EP0865166A1 (en) 1998-09-16
US6144324A (en) 2000-11-07

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