GB1378983A - Data handling systems - Google Patents
Data handling systemsInfo
- Publication number
- GB1378983A GB1378983A GB4616172A GB4616172A GB1378983A GB 1378983 A GB1378983 A GB 1378983A GB 4616172 A GB4616172 A GB 4616172A GB 4616172 A GB4616172 A GB 4616172A GB 1378983 A GB1378983 A GB 1378983A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cylinder
- faces
- blocks
- module
- recorded
- 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
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
- G11B20/1252—Formatting, e.g. arrangement of data block or words on the record carriers on discs for discontinuous data, e.g. digital information signals, computer programme data
-
- 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
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2508—Magnetic discs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US19969271A | 1971-11-17 | 1971-11-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1378983A true GB1378983A (en) | 1975-01-02 |
Family
ID=22738615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4616172A Expired GB1378983A (en) | 1971-11-17 | 1972-10-06 | Data handling systems |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS4860545A (ja) |
CA (1) | CA990412A (ja) |
DE (1) | DE2254884A1 (ja) |
FR (1) | FR2160384B1 (ja) |
GB (1) | GB1378983A (ja) |
IT (1) | IT967615B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3713043A1 (de) * | 1986-04-16 | 1987-11-19 | Hitachi Ltd | Verfahren zur steuerung einer plattenspeichereinheit |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5122409A (ja) * | 1974-08-16 | 1976-02-23 | Hitachi Ltd | Jikidoramuyointaafueisu |
JPS54146539A (en) * | 1978-05-09 | 1979-11-15 | Toshiba Corp | Process method in response to division of magnetic disk face |
JPS62217319A (ja) * | 1986-03-18 | 1987-09-24 | Nec Corp | デイスク装置アクセス制御方式 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL286146A (ja) * | 1961-12-26 | |||
GB1169506A (en) * | 1967-06-23 | 1969-11-05 | Ncr Co | Improvements in or relating to Magnetic Memory Systems. |
-
1972
- 1972-09-13 JP JP9135572A patent/JPS4860545A/ja active Pending
- 1972-09-19 IT IT2937972A patent/IT967615B/it active
- 1972-10-06 GB GB4616172A patent/GB1378983A/en not_active Expired
- 1972-10-18 FR FR7237563A patent/FR2160384B1/fr not_active Expired
- 1972-11-09 DE DE19722254884 patent/DE2254884A1/de active Pending
- 1972-11-14 CA CA156,421A patent/CA990412A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3713043A1 (de) * | 1986-04-16 | 1987-11-19 | Hitachi Ltd | Verfahren zur steuerung einer plattenspeichereinheit |
Also Published As
Publication number | Publication date |
---|---|
CA990412A (en) | 1976-06-01 |
FR2160384A1 (ja) | 1973-06-29 |
DE2254884A1 (de) | 1973-05-24 |
JPS4860545A (ja) | 1973-08-24 |
IT967615B (it) | 1974-03-11 |
FR2160384B1 (ja) | 1977-07-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |