DE3751794D1 - Datendemodulationssystem - Google Patents
DatendemodulationssystemInfo
- Publication number
- DE3751794D1 DE3751794D1 DE3751794T DE3751794T DE3751794D1 DE 3751794 D1 DE3751794 D1 DE 3751794D1 DE 3751794 T DE3751794 T DE 3751794T DE 3751794 T DE3751794 T DE 3751794T DE 3751794 D1 DE3751794 D1 DE 3751794D1
- Authority
- DE
- Germany
- Prior art keywords
- data demodulation
- demodulation system
- data
- demodulation
- 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
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
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
-
- 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
-
- 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
-
- 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
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61020448A JP2592054B2 (ja) | 1986-01-31 | 1986-01-31 | データ記録方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3751794D1 true DE3751794D1 (de) | 1996-06-05 |
DE3751794T2 DE3751794T2 (de) | 1996-09-26 |
Family
ID=12027342
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787300832T Expired - Lifetime DE3779769T2 (de) | 1986-01-31 | 1987-01-30 | System zur datendemodulation. |
DE3751794T Expired - Lifetime DE3751794T2 (de) | 1986-01-31 | 1987-01-30 | Datendemodulationssystem |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787300832T Expired - Lifetime DE3779769T2 (de) | 1986-01-31 | 1987-01-30 | System zur datendemodulation. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4868922A (de) |
EP (2) | EP0455267B1 (de) |
JP (1) | JP2592054B2 (de) |
DE (2) | DE3779769T2 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01286626A (ja) * | 1988-01-18 | 1989-11-17 | Hitachi Ltd | データ符号化方式 |
JP2985192B2 (ja) * | 1989-09-18 | 1999-11-29 | 松下電器産業株式会社 | ビットエラー測定装置 |
JP2746721B2 (ja) * | 1990-03-23 | 1998-05-06 | 松下電器産業株式会社 | ディジタル信号記録再生装置 |
US5257144A (en) * | 1992-03-06 | 1993-10-26 | Grumman Aerospace Corporation | Synchronization and automatic resynchronization of multiple incremental recorders |
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 |
JP3395210B2 (ja) * | 1992-06-30 | 2003-04-07 | ソニー株式会社 | 同期信号検出器及び同期信号検出方法 |
KR950002722B1 (ko) * | 1992-09-16 | 1995-03-24 | 주식회사금성사 | 직렬-병렬 데이타 변환장치 |
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 |
US5379161A (en) * | 1993-06-14 | 1995-01-03 | International Business Machines Corporation | Method and system for synchronization character location and prediction in a data storage system |
US6927271B2 (en) * | 2002-01-10 | 2005-08-09 | Basf Corporation | Hydroxyl and carbamate functional resins |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE582113A (de) * | 1958-08-29 | 1900-01-01 | ||
US3978327A (en) * | 1972-03-13 | 1976-08-31 | Siemens Aktiengesellschaft | Program-controlled data processor having two simultaneously operating identical system units |
US4011542A (en) * | 1973-05-29 | 1977-03-08 | Trw Inc. | Redundant data transmission system |
DE2508706C2 (de) * | 1974-05-02 | 1984-10-11 | International Business Machines Corp., Armonk, N.Y. | Schaltungsanordnung zur Codierung von Datenbitfolgen |
US3934131A (en) * | 1975-01-06 | 1976-01-20 | The Unites States Of America As Represented By The Secretary Of The Navy | Output controller for initiating delayed or conditional commands via a general purpose computer |
JPS5687210A (en) * | 1979-12-14 | 1981-07-15 | Matsushita Electric Ind Co Ltd | Digital demodulating circuit |
JPS5745750A (en) * | 1980-09-01 | 1982-03-15 | Fanuc Ltd | Transmission switching device having open line detecting function and industrial robot using said device |
US4369516A (en) * | 1980-09-15 | 1983-01-18 | Motorola, Inc. | Self-clocking data transmission system |
JPS5827247A (ja) * | 1981-08-12 | 1983-02-17 | Nec Corp | 論理装置 |
JPS593714A (ja) * | 1982-06-30 | 1984-01-10 | Comput Basic Mach Technol Res Assoc | 磁気記録変調回路 |
CA1234914A (en) * | 1983-09-19 | 1988-04-05 | George L. Noyes | Sync pattern encoding system for data sectors written on a storage medium |
JPS6093844A (ja) * | 1983-10-26 | 1985-05-25 | Nippon Signal Co Ltd:The | デ−タ伝送方法 |
JPS60106073A (ja) * | 1983-11-14 | 1985-06-11 | Toshiba Corp | 記録再生装置 |
US4538189A (en) * | 1984-02-06 | 1985-08-27 | Storage Technology Corporation | (1,8) Data encoder/decoder |
-
1986
- 1986-01-31 JP JP61020448A patent/JP2592054B2/ja not_active Expired - Fee Related
-
1987
- 1987-01-30 EP EP91109882A patent/EP0455267B1/de not_active Expired - Lifetime
- 1987-01-30 US US07/008,964 patent/US4868922A/en not_active Expired - Lifetime
- 1987-01-30 DE DE8787300832T patent/DE3779769T2/de not_active Expired - Lifetime
- 1987-01-30 DE DE3751794T patent/DE3751794T2/de not_active Expired - Lifetime
- 1987-01-30 EP EP87300832A patent/EP0232144B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS62177762A (ja) | 1987-08-04 |
DE3779769T2 (de) | 1992-12-10 |
EP0232144A2 (de) | 1987-08-12 |
DE3751794T2 (de) | 1996-09-26 |
EP0232144A3 (en) | 1989-01-18 |
EP0455267A2 (de) | 1991-11-06 |
DE3779769D1 (de) | 1992-07-23 |
EP0232144B1 (de) | 1992-06-17 |
US4868922A (en) | 1989-09-19 |
EP0455267B1 (de) | 1996-05-01 |
EP0455267A3 (en) | 1993-03-03 |
JP2592054B2 (ja) | 1997-03-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8328 | Change in the person/name/address of the agent |
Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN |
|
8364 | No opposition during term of opposition |