CA1152638A - Memory disc addressing device - Google Patents
Memory disc addressing deviceInfo
- Publication number
- CA1152638A CA1152638A CA000345685A CA345685A CA1152638A CA 1152638 A CA1152638 A CA 1152638A CA 000345685 A CA000345685 A CA 000345685A CA 345685 A CA345685 A CA 345685A CA 1152638 A CA1152638 A CA 1152638A
- Authority
- CA
- Canada
- Prior art keywords
- track number
- complete
- complete track
- tracks
- value
- 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
- 230000015654 memory Effects 0.000 title description 23
- 238000006073 displacement reaction Methods 0.000 claims abstract description 9
- 230000003247 decreasing effect Effects 0.000 claims abstract description 3
- 238000005065 mining Methods 0.000 claims 1
- 229920000136 polysorbate Polymers 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 13
- 238000013213 extrapolation Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000010354 integration Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 230000005291 magnetic effect Effects 0.000 description 3
- 238000009740 moulding (composite fabrication) Methods 0.000 description 3
- 101100232371 Hordeum vulgare IAT3 gene Proteins 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 241000003910 Baronia <angiosperm> Species 0.000 description 1
- 101100001085 Dictyostelium discoideum ado-2 gene Proteins 0.000 description 1
- 101000711846 Homo sapiens Transcription factor SOX-9 Proteins 0.000 description 1
- 102100034204 Transcription factor SOX-9 Human genes 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
- G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
- G11B5/553—Details
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
- Moving Of Head For Track Selection And Changing (AREA)
- Control Of Position Or Direction (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7901281 | 1979-02-19 | ||
NL7901281A NL7901281A (nl) | 1979-02-19 | 1979-02-19 | Inrichting voor het bepalen van nummers van sporen op een geheugenschijf. |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1152638A true CA1152638A (en) | 1983-08-23 |
Family
ID=19832658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000345685A Expired CA1152638A (en) | 1979-02-19 | 1980-02-14 | Memory disc addressing device |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS55113174A (nl) |
CA (1) | CA1152638A (nl) |
DE (1) | DE3004938C2 (nl) |
FR (1) | FR2449321B1 (nl) |
GB (1) | GB2044483B (nl) |
NL (1) | NL7901281A (nl) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3812533A (en) * | 1972-12-22 | 1974-05-21 | Vermont Res Corp | Information storage unit transducer positioning system |
US4208679A (en) * | 1978-02-28 | 1980-06-17 | Digital Equipment Corporation | Transducer positioning system for rotating disk drive units |
-
1979
- 1979-02-19 NL NL7901281A patent/NL7901281A/nl not_active Application Discontinuation
-
1980
- 1980-02-09 DE DE19803004938 patent/DE3004938C2/de not_active Expired
- 1980-02-14 CA CA000345685A patent/CA1152638A/en not_active Expired
- 1980-02-15 GB GB8005287A patent/GB2044483B/en not_active Expired
- 1980-02-15 FR FR8003428A patent/FR2449321B1/fr not_active Expired
- 1980-02-16 JP JP1724180A patent/JPS55113174A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
GB2044483B (en) | 1983-01-19 |
FR2449321B1 (fr) | 1986-06-20 |
JPS6239506B2 (nl) | 1987-08-24 |
DE3004938A1 (de) | 1980-08-28 |
FR2449321A1 (fr) | 1980-09-12 |
GB2044483A (en) | 1980-10-15 |
NL7901281A (nl) | 1980-08-21 |
DE3004938C2 (de) | 1986-10-09 |
JPS55113174A (en) | 1980-09-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |