DE2307672C2 - Anordnung zur Fehlerkorrektur beim Aufzeichnen und Lesen von Datensignalen einer Mehrspur-Datenaufzeichnung - Google Patents
Anordnung zur Fehlerkorrektur beim Aufzeichnen und Lesen von Datensignalen einer Mehrspur-DatenaufzeichnungInfo
- Publication number
- DE2307672C2 DE2307672C2 DE2307672A DE2307672A DE2307672C2 DE 2307672 C2 DE2307672 C2 DE 2307672C2 DE 2307672 A DE2307672 A DE 2307672A DE 2307672 A DE2307672 A DE 2307672A DE 2307672 C2 DE2307672 C2 DE 2307672C2
- Authority
- DE
- Germany
- Prior art keywords
- recording
- data
- signals
- signal
- output
- 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
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
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1883—Methods for assignment of alternate areas for defective areas
-
- 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
- G11B20/1201—Formatting, e.g. arrangement of data block or words on the record carriers on tapes
- G11B20/1202—Formatting, e.g. arrangement of data block or words on the record carriers on tapes with longitudinal tracks only
-
- 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
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1816—Testing
-
- 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
- G11B20/20—Signal processing not specific to the method of recording or reproducing; Circuits therefor for correction of skew for multitrack recording
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
- G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
- G11B5/00817—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/09—Digital recording
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/90—Tape-like record carriers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Digital Magnetic Recording (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22921472A | 1972-02-18 | 1972-02-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2307672A1 DE2307672A1 (de) | 1973-08-30 |
| DE2307672C2 true DE2307672C2 (de) | 1983-11-17 |
Family
ID=22860271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2307672A Expired DE2307672C2 (de) | 1972-02-18 | 1973-02-16 | Anordnung zur Fehlerkorrektur beim Aufzeichnen und Lesen von Datensignalen einer Mehrspur-Datenaufzeichnung |
Country Status (11)
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4823012U (US07655688-20100202-C00086.png) * | 1971-07-24 | 1973-03-16 | ||
| US3987484A (en) * | 1973-11-05 | 1976-10-19 | Cincinnati Electronics Corporation | Programmed presentation system |
| JPS5098827A (US07655688-20100202-C00086.png) * | 1973-12-27 | 1975-08-06 | ||
| US3879753A (en) * | 1974-01-02 | 1975-04-22 | Honeywell Inf Systems | Phase locked loop clocking system |
| US3877027A (en) * | 1974-01-23 | 1975-04-08 | Ibm | Data demodulation employing integration techniques |
| US3935593A (en) * | 1974-10-29 | 1976-01-27 | Henry H. Tiesenhausen | Multi-media production programmer |
| US4008488A (en) * | 1975-08-25 | 1977-02-15 | Braemar Computer Devices, Inc. | Magnetic recording data decoding system |
| US4126887A (en) * | 1975-09-12 | 1978-11-21 | Hitachi, Ltd. | Method of controlling rotary memory |
| JPS5731429Y2 (US07655688-20100202-C00086.png) * | 1975-10-21 | 1982-07-09 | ||
| US4037257A (en) * | 1976-02-02 | 1977-07-19 | Xerox Corporation | Data clock separator with missing clock detect |
| JPS536217U (US07655688-20100202-C00086.png) * | 1976-07-02 | 1978-01-20 | ||
| US4313140A (en) * | 1979-12-07 | 1982-01-26 | International Business Machines Corporation | Buried control signal recording systems and method |
| JPS56117311A (en) * | 1980-02-19 | 1981-09-14 | Fujitsu Ltd | Error control system of magnetic tape device |
| CA1161946A (en) * | 1980-07-26 | 1984-02-07 | Sony Corporation | Method and apparatus for recording digitized information on a record medium |
| US4635140A (en) * | 1982-05-08 | 1987-01-06 | Victor Company Of Japan, Limited | Digital recording/playback system with limited frequency range |
| US4490756A (en) * | 1982-11-01 | 1984-12-25 | International Business Machines Corporation | Servo encodement and detection system using tetra-orthogonal servo pattern |
| US4488188A (en) * | 1982-11-01 | 1984-12-11 | International Business Machines Corporation | Buried servo recording system using phase encoded servo pattern |
| GB8323112D0 (en) * | 1983-08-26 | 1983-09-28 | British Broadcasting Corp | Recording of digital data |
| JPS6260174A (ja) * | 1985-09-10 | 1987-03-16 | Mitsubishi Electric Corp | デ−タ記録方法 |
| US5124851A (en) * | 1987-09-18 | 1992-06-23 | Canon Kabushiki Kaisha | Data recording apparatus with recorded data verifying means |
| JPH05128728A (ja) * | 1991-10-31 | 1993-05-25 | Fujitsu Ltd | 磁気記録再生装置 |
| US5319502A (en) * | 1992-01-10 | 1994-06-07 | International Business Machines Corporation | System and method for employing buried servos within a magnetic recording medium |
| JP2010147943A (ja) * | 2008-12-19 | 2010-07-01 | Sony Corp | 情報処理装置、及び信号伝送方法 |
| CN115267685B (zh) * | 2022-09-23 | 2023-01-17 | 江苏万邦微电子有限公司 | 内置微波信号状态数据回读的tr组件波控模块 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2937368A (en) * | 1956-12-12 | 1960-05-17 | Bell Telephone Labor Inc | Means for detecting marking and bypassing defective areas in a magnetic record medium |
| US3369082A (en) * | 1964-07-13 | 1968-02-13 | Ampex | Control track-monitor system |
| JPS4027016Y1 (US07655688-20100202-C00086.png) * | 1965-05-25 | 1965-09-22 | ||
| NL6702617A (US07655688-20100202-C00086.png) * | 1966-03-04 | 1967-09-05 | ||
| US3490013A (en) * | 1967-05-24 | 1970-01-13 | Honeywell Inc | Apparatus for detecting and eliminating noise records during a data transfer operation |
| US3550103A (en) * | 1968-02-16 | 1970-12-22 | Mohawk Data Sciences Corp | Reverse write and forward verify read of a variable length data record |
| US3686682A (en) * | 1970-08-17 | 1972-08-22 | Burroughs Corp | Method and apparatus for testing magnetic disc files |
-
0
- BE BE794737D patent/BE794737A/xx unknown
-
1972
- 1972-02-18 US US00229214A patent/US3765005A/en not_active Expired - Lifetime
-
1973
- 1973-01-15 GB GB195473A patent/GB1406915A/en not_active Expired
- 1973-01-19 JP JP48007991A patent/JPS5218014B2/ja not_active Expired
- 1973-01-23 FR FR7304191*A patent/FR2171211A1/fr not_active Withdrawn
- 1973-01-29 CA CA163,178A patent/CA1023848A/en not_active Expired
- 1973-02-07 NL NL7301689A patent/NL7301689A/xx active Search and Examination
- 1973-02-09 CH CH191773A patent/CH561447A5/xx not_active IP Right Cessation
- 1973-02-13 IT IT20298/73A patent/IT979034B/it active
- 1973-02-16 DE DE2307672A patent/DE2307672C2/de not_active Expired
- 1973-02-17 ES ES411747A patent/ES411747A1/es not_active Expired
- 1973-03-12 JP JP2810673A patent/JPS5545964B2/ja not_active Expired
- 1973-03-12 JP JP48028105A patent/JPS5218016B2/ja not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| NICHTS-ERMITTELT |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7301689A (US07655688-20100202-C00086.png) | 1973-08-21 |
| DE2307672A1 (de) | 1973-08-30 |
| JPS5218014B2 (US07655688-20100202-C00086.png) | 1977-05-19 |
| BE794737A (fr) | 1973-05-16 |
| CH561447A5 (US07655688-20100202-C00086.png) | 1975-04-30 |
| ES411747A1 (es) | 1976-05-01 |
| GB1406915A (en) | 1975-09-17 |
| FR2171211A1 (US07655688-20100202-C00086.png) | 1973-09-21 |
| JPS4912808A (US07655688-20100202-C00086.png) | 1974-02-04 |
| CA1023848A (en) | 1978-01-03 |
| JPS5218016B2 (US07655688-20100202-C00086.png) | 1977-05-19 |
| US3765005A (en) | 1973-10-09 |
| JPS5545964B2 (US07655688-20100202-C00086.png) | 1980-11-20 |
| JPS4919808A (US07655688-20100202-C00086.png) | 1974-02-21 |
| JPS4895214A (US07655688-20100202-C00086.png) | 1973-12-06 |
| IT979034B (it) | 1974-09-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8128 | New person/name/address of the agent |
Representative=s name: RUDOLPH, W., PAT.-ASS., 7030 BOEBLINGEN |
|
| 8125 | Change of the main classification |
Ipc: G11B 5/027 |
|
| 8126 | Change of the secondary classification |
Ipc: G11B 5/09 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |