GB2117946B - Method and apparatus for magnetic storage and retrieval of information - Google Patents
Method and apparatus for magnetic storage and retrieval of informationInfo
- Publication number
- GB2117946B GB2117946B GB08308431A GB8308431A GB2117946B GB 2117946 B GB2117946 B GB 2117946B GB 08308431 A GB08308431 A GB 08308431A GB 8308431 A GB8308431 A GB 8308431A GB 2117946 B GB2117946 B GB 2117946B
- Authority
- GB
- United Kingdom
- Prior art keywords
- retrieval
- information
- magnetic storage
- magnetic
- storage
- 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
-
- 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
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
-
- 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
-
- 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)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36554182A | 1982-04-05 | 1982-04-05 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8308431D0 GB8308431D0 (en) | 1983-05-05 |
GB2117946A GB2117946A (en) | 1983-10-19 |
GB2117946B true GB2117946B (en) | 1987-02-04 |
Family
ID=23439285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08308431A Expired GB2117946B (en) | 1982-04-05 | 1983-03-28 | Method and apparatus for magnetic storage and retrieval of information |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS58185013A (en) |
AU (2) | AU1272783A (en) |
CA (1) | CA1205904A (en) |
GB (1) | GB2117946B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1182457B (en) * | 1985-02-21 | 1987-10-05 | Olivetti & Co Spa | APPARATUS TO RECORD AND READ BINARY INFORMATION ON A MAGNETIC DISC |
AU594995B2 (en) * | 1986-01-24 | 1990-03-22 | Sony Corporation | Data transmission method suitable for a disc |
AU610666B2 (en) * | 1988-02-08 | 1991-05-23 | International Business Machines Corporation | Managing data storage space on large capacity record media |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3829837A (en) * | 1971-06-24 | 1974-08-13 | Honeywell Inf Systems | Controller for rotational storage device having linked information organization |
GB1529583A (en) * | 1974-10-29 | 1978-10-25 | Xerox Corp | Data processing system |
-
1983
- 1983-03-22 CA CA000424203A patent/CA1205904A/en not_active Expired
- 1983-03-23 AU AU12727/83A patent/AU1272783A/en not_active Abandoned
- 1983-03-28 GB GB08308431A patent/GB2117946B/en not_active Expired
- 1983-04-05 JP JP5987683A patent/JPS58185013A/en active Pending
-
1988
- 1988-02-08 AU AU11404/88A patent/AU1140488A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
AU1140488A (en) | 1988-05-12 |
JPS58185013A (en) | 1983-10-28 |
CA1205904A (en) | 1986-06-10 |
GB8308431D0 (en) | 1983-05-05 |
AU1272783A (en) | 1983-10-13 |
GB2117946A (en) | 1983-10-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |