JPS4960516A - - Google Patents
Info
- Publication number
- JPS4960516A JPS4960516A JP48077148A JP7714873A JPS4960516A JP S4960516 A JPS4960516 A JP S4960516A JP 48077148 A JP48077148 A JP 48077148A JP 7714873 A JP7714873 A JP 7714873A JP S4960516 A JPS4960516 A JP S4960516A
- Authority
- JP
- Japan
- 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.)
- Granted
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
- G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K5/00—Methods or arrangements for verifying the correctness of markings on a record carrier; Column detection devices
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Error Detection And Correction (AREA)
- Detection And Correction Of Errors (AREA)
- Digital Magnetic Recording (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28261972A | 1972-08-21 | 1972-08-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4960516A true JPS4960516A (en:Method) | 1974-06-12 |
| JPS5438885B2 JPS5438885B2 (en:Method) | 1979-11-24 |
Family
ID=23082332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7714873A Expired JPS5438885B2 (en:Method) | 1972-08-21 | 1973-07-10 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3774154A (en:Method) |
| JP (1) | JPS5438885B2 (en:Method) |
| CA (1) | CA1028050A (en:Method) |
| DE (1) | DE2341952C2 (en:Method) |
| FR (1) | FR2197485A5 (en:Method) |
| GB (1) | GB1403672A (en:Method) |
| IT (1) | IT998167B (en:Method) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4044329A (en) * | 1976-07-02 | 1977-08-23 | Honeywell Information Systems, Inc. | Variable cyclic redundancy character detector |
| US4146099A (en) * | 1976-08-17 | 1979-03-27 | Christopher Scientific Company | Signal recording method and apparatus |
| US4145683A (en) * | 1977-11-02 | 1979-03-20 | Minnesota Mining And Manufacturing Company | Single track audio-digital recorder and circuit for use therein having error correction |
| US4214280A (en) * | 1978-05-30 | 1980-07-22 | Xerox Corporation | Method and apparatus for recording data without recording on defective areas of a data recording medium |
| US4292684A (en) * | 1978-11-01 | 1981-09-29 | Minnesota Mining And Manufacturing Company | Format for digital tape recorder |
| US4211997A (en) * | 1978-11-03 | 1980-07-08 | Ampex Corporation | Method and apparatus employing an improved format for recording and reproducing digital audio |
| US4254500A (en) * | 1979-03-16 | 1981-03-03 | Minnesota Mining And Manufacturing Company | Single track digital recorder and circuit for use therein having error correction |
| JPS5815843B2 (ja) * | 1979-11-16 | 1983-03-28 | 株式会社東芝 | 再生信号処理方式 |
| JPS58118009A (ja) * | 1981-12-29 | 1983-07-13 | Victor Co Of Japan Ltd | デイジタル信号磁気記録再生装置 |
| US4485451A (en) * | 1982-01-28 | 1984-11-27 | Obedineni Zavodi Za Zapametyavashti Ustroystva | System for monitoring dynamic parameters of magnetic heads |
| US4685005A (en) * | 1983-07-18 | 1987-08-04 | International Business Machines Corporation | Two-module-read, read-after-write, bi-directional tape drive |
| JPH087948B2 (ja) * | 1987-12-28 | 1996-01-29 | キヤノン株式会社 | 情報記録再生方法 |
| US5255272A (en) * | 1991-02-25 | 1993-10-19 | Storage Technology Corporation | Predictive tape drive error correction apparatus |
| JP3198550B2 (ja) * | 1991-09-03 | 2001-08-13 | ソニー株式会社 | 圧縮データ記録方法及び圧縮データ記録再生装置 |
| US5706260A (en) * | 1993-03-09 | 1998-01-06 | Sony Corporation | Apparatus for and method of synchronously recording signals onto a disk medium by a single head |
| US5499147A (en) * | 1993-12-02 | 1996-03-12 | Industrial Technology Research Institute | Rotary head recording and reproduction apparatus with memory and method of operation which compares a reproduced signal with an original signal |
| JP3599383B2 (ja) * | 1994-09-20 | 2004-12-08 | 株式会社日立グローバルストレージテクノロジーズ | 磁気記録再生装置及びデータエラーレート測定方法 |
| JP4077993B2 (ja) | 1999-07-30 | 2008-04-23 | 株式会社日立グローバルストレージテクノロジーズ | 性能評価方法及び性能評価装置並びにこれらを用いた記録再生装置 |
| JP3941305B2 (ja) * | 1999-11-22 | 2007-07-04 | ソニー株式会社 | 光ディスク装置及びデータ再生方法 |
| US8365023B2 (en) * | 2011-04-29 | 2013-01-29 | International Business Machines Corporation | Runtime dynamic performance skew elimination |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3639900A (en) * | 1970-05-27 | 1972-02-01 | Ibm | Enhanced error detection and correction for data systems |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL236625A (en:Method) * | 1958-03-03 | |||
| US3629824A (en) * | 1970-02-12 | 1971-12-21 | Ibm | Apparatus for multiple-error correcting codes |
| US3675200A (en) * | 1970-11-23 | 1972-07-04 | Ibm | System for expanded detection and correction of errors in parallel binary data produced by data tracks |
-
1972
- 1972-08-21 US US00282619A patent/US3774154A/en not_active Expired - Lifetime
-
1973
- 1973-06-20 IT IT25608/73A patent/IT998167B/it active
- 1973-07-10 JP JP7714873A patent/JPS5438885B2/ja not_active Expired
- 1973-07-12 GB GB3325373A patent/GB1403672A/en not_active Expired
- 1973-07-13 CA CA176,411A patent/CA1028050A/en not_active Expired
- 1973-08-09 FR FR7329780A patent/FR2197485A5/fr not_active Expired
- 1973-08-20 DE DE2341952A patent/DE2341952C2/de not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3639900A (en) * | 1970-05-27 | 1972-02-01 | Ibm | Enhanced error detection and correction for data systems |
Also Published As
| Publication number | Publication date |
|---|---|
| US3774154A (en) | 1973-11-20 |
| CA1028050A (en) | 1978-03-14 |
| JPS5438885B2 (en:Method) | 1979-11-24 |
| DE2341952A1 (de) | 1974-03-07 |
| GB1403672A (en) | 1975-08-28 |
| FR2197485A5 (en:Method) | 1974-03-22 |
| DE2341952C2 (de) | 1986-01-30 |
| IT998167B (it) | 1976-01-20 |