DE2034933A1 - Plattenspeicher - Google Patents
PlattenspeicherInfo
- Publication number
- DE2034933A1 DE2034933A1 DE19702034933 DE2034933A DE2034933A1 DE 2034933 A1 DE2034933 A1 DE 2034933A1 DE 19702034933 DE19702034933 DE 19702034933 DE 2034933 A DE2034933 A DE 2034933A DE 2034933 A1 DE2034933 A1 DE 2034933A1
- Authority
- DE
- Germany
- Prior art keywords
- motor
- write
- track
- read
- heads
- 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.)
- Pending
Links
- 230000033001 locomotion Effects 0.000 claims description 13
- 230000033228 biological regulation Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/20—Control of position or direction using feedback using a digital comparing device
- G05D3/203—Control of position or direction using feedback using a digital comparing device using fine or coarse devices
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/14—Control of position or direction using feedback using an analogue comparing device
- G05D3/1436—Control of position or direction using feedback using an analogue comparing device with fine or coarse devices
-
- 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
-
- 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
- G11B5/5552—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Linear Motors (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702034933 DE2034933A1 (de) | 1970-07-14 | 1970-07-14 | Plattenspeicher |
| IT2669271A IT984566B (it) | 1970-07-14 | 1971-07-08 | Memoria a piastre |
| LU63510D LU63510A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-07-14 | 1971-07-12 | |
| GB3268871A GB1354780A (en) | 1970-07-14 | 1971-07-13 | Memory store arrangements |
| NL7109658A NL7109658A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-07-14 | 1971-07-13 | |
| FR7125611A FR2100900B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-07-14 | 1971-07-13 | |
| BE769996A BE769996R (fr) | 1970-07-14 | 1971-07-14 | Memoire a |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702034933 DE2034933A1 (de) | 1970-07-14 | 1970-07-14 | Plattenspeicher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2034933A1 true DE2034933A1 (de) | 1972-01-27 |
Family
ID=5776747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702034933 Pending DE2034933A1 (de) | 1970-07-14 | 1970-07-14 | Plattenspeicher |
Country Status (7)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA995300A (en) * | 1972-08-21 | 1976-08-17 | John Cuda | Coarse and fine control for position servo |
| NL7810386A (nl) * | 1978-10-17 | 1980-04-21 | Philips Nv | Optische leesinrichting voor het uitlezen van een schijfvormige registratiedrager. |
-
1970
- 1970-07-14 DE DE19702034933 patent/DE2034933A1/de active Pending
-
1971
- 1971-07-08 IT IT2669271A patent/IT984566B/it active
- 1971-07-12 LU LU63510D patent/LU63510A1/xx unknown
- 1971-07-13 NL NL7109658A patent/NL7109658A/xx unknown
- 1971-07-13 FR FR7125611A patent/FR2100900B2/fr not_active Expired
- 1971-07-13 GB GB3268871A patent/GB1354780A/en not_active Expired
- 1971-07-14 BE BE769996A patent/BE769996R/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| IT984566B (it) | 1974-11-20 |
| FR2100900B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-06-29 |
| GB1354780A (en) | 1974-06-05 |
| LU63510A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-03-24 |
| FR2100900A2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-03-24 |
| BE769996R (fr) | 1972-01-14 |
| NL7109658A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-01-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHW | Rejection |