FR2072174A5 - - Google Patents
Info
- Publication number
- FR2072174A5 FR2072174A5 FR7040288A FR7040288A FR2072174A5 FR 2072174 A5 FR2072174 A5 FR 2072174A5 FR 7040288 A FR7040288 A FR 7040288A FR 7040288 A FR7040288 A FR 7040288A FR 2072174 A5 FR2072174 A5 FR 2072174A5
- Authority
- FR
- France
- 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
- G11B20/20—Signal processing not specific to the method of recording or reproducing; Circuits therefor for correction of skew for multitrack recording
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US88876669A | 1969-12-29 | 1969-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2072174A5 true FR2072174A5 (fr) | 1971-09-24 |
Family
ID=25393843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7040288A Expired FR2072174A5 (fr) | 1969-12-29 | 1970-10-27 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3641534A (fr) |
| JP (1) | JPS506769B1 (fr) |
| CA (1) | CA944069A (fr) |
| FR (1) | FR2072174A5 (fr) |
| GB (1) | GB1287220A (fr) |
| NL (1) | NL176504C (fr) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3725861A (en) * | 1971-11-10 | 1973-04-03 | Ibm | Apparatus and method for establishing exact record reorientation after error condition in a data storage subsystem |
| US3921213A (en) * | 1972-03-17 | 1975-11-18 | Gen Instrument Corp | Self-clocking nrz recording and reproduction system |
| FR2212060A5 (fr) * | 1972-12-26 | 1974-07-19 | Ibm | |
| US3810231A (en) * | 1973-01-02 | 1974-05-07 | Honeywell Inf Systems | Noise record processing for phase encoded data |
| US4001883A (en) * | 1974-03-07 | 1977-01-04 | Honeywell Information Systems, Inc. | High density data storage on magnetic disk |
| US3879752A (en) * | 1974-04-04 | 1975-04-22 | Iomec | Combined sector pulse and data detection system |
| US4009490A (en) * | 1975-07-07 | 1977-02-22 | Ncr Corporation | PLO phase detector and corrector |
| JPS52104743A (en) * | 1977-02-25 | 1977-09-02 | Murata Manufacturing Co | Temperature fuse |
| JPS5442640A (en) * | 1978-03-23 | 1979-04-04 | Nifco Inc | Temperature fuse |
| JPS5918332U (ja) * | 1982-07-27 | 1984-02-03 | 日本電気ホームエレクトロニクス株式会社 | 温度ヒユ−ズ |
| EP0242093A1 (fr) * | 1986-04-11 | 1987-10-21 | Hewlett-Packard Company | Resynchronisation de blocs de données en série |
| US4949197A (en) * | 1988-09-08 | 1990-08-14 | Aspen Peripherals Corp. | Dead track acquisition for phase-locked loop control |
| US5068878A (en) * | 1990-02-06 | 1991-11-26 | Eastman Kodak Company | Method and apparatus for data interleave with pseudo-randomized resynchronization |
| US5357380A (en) * | 1993-06-14 | 1994-10-18 | International Business Machines Corporation | Method and apparatus for indicating when each track is in burst in a multitrack tape device |
| US5617432A (en) * | 1994-11-09 | 1997-04-01 | International Business Machines Corporation | Common error protection code for data stored as a composite of different data formats |
| US6978414B2 (en) * | 2001-07-17 | 2005-12-20 | Hewlett-Packard Development Company, L.P. | Method and apparatus for protecting against errors occurring in data storage device buffers |
| US6958873B2 (en) * | 2001-07-31 | 2005-10-25 | Hewlett-Packard Development Company, L.P. | Data rewrite control in data transfer and storage apparatus |
| US6883122B2 (en) * | 2001-07-31 | 2005-04-19 | Hewlett-Packard Development Company, L.P. | Write pass error detection |
| US7042667B2 (en) * | 2001-07-31 | 2006-05-09 | Hewlett-Packard Development Company, L.P. | Data storage |
| US7373565B2 (en) * | 2005-08-23 | 2008-05-13 | Hewlett-Packard Development Company, L.P. | Start/stop circuit for performance counter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2782398A (en) * | 1953-08-28 | 1957-02-19 | Raytheon Mfg Co | Apparatus for photoelectrically cataloging digital data on magnetic tape |
| US3277246A (en) * | 1962-08-30 | 1966-10-04 | Altonji Edmund Russell | Apparatus for magnetically recording a time division multiplex signal |
| US3377583A (en) * | 1964-10-08 | 1968-04-09 | Mohawk Data Science Corp | Variable density magnetic binary recording and reproducing system |
| US3423744A (en) * | 1965-05-24 | 1969-01-21 | Ncr Co | Binary magnetic recording system |
-
1969
- 1969-12-29 US US888766A patent/US3641534A/en not_active Expired - Lifetime
-
1970
- 1970-10-27 FR FR7040288A patent/FR2072174A5/fr not_active Expired
- 1970-12-01 JP JP45105533A patent/JPS506769B1/ja active Pending
- 1970-12-08 CA CA100,037A patent/CA944069A/en not_active Expired
- 1970-12-17 GB GB59903/70A patent/GB1287220A/en not_active Expired
- 1970-12-28 NL NLAANVRAGE7018906,A patent/NL176504C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CA944069A (en) | 1974-03-19 |
| DE2059600A1 (de) | 1971-07-22 |
| GB1287220A (en) | 1972-08-31 |
| NL7018906A (fr) | 1971-07-01 |
| JPS506769B1 (fr) | 1975-03-18 |
| US3641534A (en) | 1972-02-08 |
| NL176504B (nl) | 1984-11-16 |
| DE2059600B2 (de) | 1977-02-17 |
| NL176504C (nl) | 1985-04-16 |