JPH0477991B2 - - Google Patents
Info
- Publication number
- JPH0477991B2 JPH0477991B2 JP3575985A JP3575985A JPH0477991B2 JP H0477991 B2 JPH0477991 B2 JP H0477991B2 JP 3575985 A JP3575985 A JP 3575985A JP 3575985 A JP3575985 A JP 3575985A JP H0477991 B2 JPH0477991 B2 JP H0477991B2
- Authority
- JP
- Japan
- Prior art keywords
- modulation
- cds
- dsv
- modulation code
- data
- 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
Links
- 238000000034 method Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005415 magnetization Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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
- G11B20/1423—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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
- G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Dc Digital Transmission (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3575985A JPS61196469A (ja) | 1985-02-25 | 1985-02-25 | デイジタル変調方法 |
DE8686102361T DE3682412D1 (de) | 1985-02-25 | 1986-02-24 | Digitales datenaufzeichnungs- und -wiedergabeverfahren. |
EP86102361A EP0193153B1 (en) | 1985-02-25 | 1986-02-24 | Digital data recording and reproducing method |
US06/832,774 US4731678A (en) | 1985-02-25 | 1986-02-25 | Digital data recording and reproducing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3575985A JPS61196469A (ja) | 1985-02-25 | 1985-02-25 | デイジタル変調方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61196469A JPS61196469A (ja) | 1986-08-30 |
JPH0477991B2 true JPH0477991B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-12-09 |
Family
ID=12450769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3575985A Granted JPS61196469A (ja) | 1985-02-25 | 1985-02-25 | デイジタル変調方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61196469A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2731189B2 (ja) * | 1988-11-10 | 1998-03-25 | 日本電信電話株式会社 | 符号化・復号化装置 |
US4988999A (en) * | 1989-04-12 | 1991-01-29 | Nippon Hoso Kyokai | Digital modulation method |
JP2809832B2 (ja) * | 1990-07-13 | 1998-10-15 | 株式会社東芝 | 符号変調方法 |
JP3093494B2 (ja) * | 1992-11-18 | 2000-10-03 | 株式会社東芝 | 多様性信号処理装置 |
US5561608A (en) * | 1992-11-18 | 1996-10-01 | Kabushiki Kaisha Toshiba | Multisystem adaptable type signal processing and recording/reproducing apparatus |
JP3394127B2 (ja) | 1995-12-05 | 2003-04-07 | 株式会社東芝 | ディジタルデータの伝送方法 |
EP0932258B1 (en) | 1996-10-13 | 2002-03-27 | SANYO ELECTRIC Co., Ltd. | Method and circuit for digital modulation and method and circuit for digital demodulation |
-
1985
- 1985-02-25 JP JP3575985A patent/JPS61196469A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS61196469A (ja) | 1986-08-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |