CA1205904A - Structure de stockage de donnees sur un support magnetique - Google Patents
Structure de stockage de donnees sur un support magnetiqueInfo
- Publication number
- CA1205904A CA1205904A CA000424203A CA424203A CA1205904A CA 1205904 A CA1205904 A CA 1205904A CA 000424203 A CA000424203 A CA 000424203A CA 424203 A CA424203 A CA 424203A CA 1205904 A CA1205904 A CA 1205904A
- Authority
- CA
- Canada
- Prior art keywords
- data
- track
- field
- trash
- gap
- 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
- 230000005291 magnetic effect Effects 0.000 title description 80
- 238000003860 storage Methods 0.000 claims abstract description 84
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims description 45
- 238000013500 data storage Methods 0.000 claims 1
- 230000004936 stimulating effect Effects 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 2
- 230000004907 flux Effects 0.000 description 28
- 230000000875 corresponding effect Effects 0.000 description 22
- 230000002093 peripheral effect Effects 0.000 description 17
- 150000002500 ions Chemical class 0.000 description 15
- 230000015654 memory Effects 0.000 description 15
- 238000012546 transfer Methods 0.000 description 13
- 230000007704 transition Effects 0.000 description 13
- 239000004020 conductor Substances 0.000 description 10
- 239000003550 marker Substances 0.000 description 10
- 230000010287 polarization Effects 0.000 description 10
- 230000008901 benefit Effects 0.000 description 9
- 230000006870 function Effects 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 238000000429 assembly Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 241000353097 Molva molva Species 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000003138 coordinated effect Effects 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 241001527902 Aratus Species 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 208000010201 Exanthema Diseases 0.000 description 1
- 244000228957 Ferula foetida Species 0.000 description 1
- 101100042793 Gallus gallus SMC2 gene Proteins 0.000 description 1
- 241000272168 Laridae Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 201000005884 exanthem Diseases 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910000078 germane Inorganic materials 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 229940012720 subsys Drugs 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US36554182A | 1982-04-05 | 1982-04-05 | |
| US06/365,541 | 1982-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1205904A true CA1205904A (fr) | 1986-06-10 |
Family
ID=23439285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000424203A Expired CA1205904A (fr) | 1982-04-05 | 1983-03-22 | Structure de stockage de donnees sur un support magnetique |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS58185013A (fr) |
| AU (2) | AU1272783A (fr) |
| CA (1) | CA1205904A (fr) |
| GB (1) | GB2117946B (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1182457B (it) * | 1985-02-21 | 1987-10-05 | Olivetti & Co Spa | Apparecchiatura per registrare e leggere informazioni binarie su un disco magnetico |
| 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/fr 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/ja 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 (ja) | 1983-10-28 |
| GB8308431D0 (en) | 1983-05-05 |
| GB2117946B (en) | 1987-02-04 |
| AU1272783A (en) | 1983-10-13 |
| GB2117946A (en) | 1983-10-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |