CA1068398A - Bistable deflection separation of flexible disks - Google Patents
Bistable deflection separation of flexible disksInfo
- Publication number
- CA1068398A CA1068398A CA227,708A CA227708A CA1068398A CA 1068398 A CA1068398 A CA 1068398A CA 227708 A CA227708 A CA 227708A CA 1068398 A CA1068398 A CA 1068398A
- Authority
- CA
- Canada
- Prior art keywords
- disks
- air
- spaces
- space
- interface
- 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
- 238000000926 separation method Methods 0.000 title claims abstract description 6
- 238000003860 storage Methods 0.000 claims abstract description 31
- 230000000977 initiatory effect Effects 0.000 claims abstract 3
- 125000006850 spacer group Chemical group 0.000 claims description 34
- 238000006073 displacement reaction Methods 0.000 claims description 24
- 230000002463 transducing effect Effects 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000001052 transient effect Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 18
- 238000005452 bending Methods 0.000 claims 8
- 238000013500 data storage Methods 0.000 claims 5
- 230000000694 effects Effects 0.000 claims 3
- 208000036366 Sensation of pressure Diseases 0.000 claims 2
- 230000003247 decreasing effect Effects 0.000 claims 2
- 238000009877 rendering Methods 0.000 claims 2
- 230000001360 synchronised effect Effects 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000002844 continuous effect Effects 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 claims 1
- 230000014759 maintenance of location Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 238000004904 shortening Methods 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 description 5
- 229920002799 BoPET Polymers 0.000 description 1
- 101100043727 Caenorhabditis elegans syx-2 gene Proteins 0.000 description 1
- 101100535673 Drosophila melanogaster Syn gene Proteins 0.000 description 1
- JCYZMTMYPZHVBF-UHFFFAOYSA-N Melarsoprol Chemical compound NC1=NC(N)=NC(NC=2C=CC(=CC=2)[As]2SC(CO)CS2)=N1 JCYZMTMYPZHVBF-UHFFFAOYSA-N 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000020347 spindle assembly Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G11B5/58—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/60—Fluid-dynamic spacing of heads from record-carriers
- G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/021—Selecting or spacing of record carriers for introducing the heads
Landscapes
- Manufacturing Of Magnetic Record Carriers (AREA)
- Automatic Disk Changers (AREA)
- Recording Measured Values (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/484,830 US3936880A (en) | 1974-07-01 | 1974-07-01 | Bistable deflection separation of flexible disks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1068398A true CA1068398A (en) | 1979-12-18 |
Family
ID=23925795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA227,708A Expired CA1068398A (en) | 1974-07-01 | 1975-05-23 | Bistable deflection separation of flexible disks |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3936880A (enExample) |
| JP (1) | JPS5211573B2 (enExample) |
| CA (1) | CA1068398A (enExample) |
| DE (1) | DE2524784A1 (enExample) |
| FR (1) | FR2277403A1 (enExample) |
| GB (1) | GB1454254A (enExample) |
| IT (1) | IT1038943B (enExample) |
| NL (1) | NL7507232A (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4011591A (en) * | 1975-11-04 | 1977-03-08 | International Business Machines Corporation | Internal division actuation of ventilated floppy disk stack |
| US4011590A (en) * | 1975-11-04 | 1977-03-08 | International Business Machines Corporation | Internal division actuation of ventilated floppy disk stack |
| US4019204A (en) * | 1975-11-19 | 1977-04-19 | International Business Machines Corporation | Fluidic transducer access opening in a stack of flexible record disks |
| US4051541A (en) * | 1975-12-08 | 1977-09-27 | International Business Machines Corporation | Access to floppy disk stack |
| US4191981A (en) * | 1975-12-19 | 1980-03-04 | International Business Machines Corporation | Record storage apparatus employing enhanced transducer positioning servomechanisms |
| JPS5296009A (en) * | 1976-02-07 | 1977-08-12 | Masaaki Kusano | Memory |
| US4030136A (en) * | 1976-02-13 | 1977-06-14 | International Business Machines Corporation | Flexible disk pack accessing apparatus and method |
| US4167029A (en) * | 1976-08-04 | 1979-09-04 | Burroughs Corporation | Jet distributor for end-wise pneumatic partitioning of disk pack |
| US4514778A (en) * | 1976-08-04 | 1985-04-30 | Burroughs Corporation | Partitionable pack with end plates |
| US4118746A (en) * | 1977-03-04 | 1978-10-03 | Burroughs Corporation | High performance floppy pack and associated system |
| US4185311A (en) * | 1977-03-21 | 1980-01-22 | Burroughs Corporation | Partition of high performance floppy pack and associated means |
| US4143408A (en) * | 1977-11-28 | 1979-03-06 | International Business Machines Corp. | External selector and internal controller for flexible disc stack |
| GB2011695B (en) * | 1977-12-23 | 1982-03-24 | Burroughs Corp | Flexible disc pack for end-wise partitioning and associated methods |
| GB2017378B (en) * | 1978-03-27 | 1982-06-23 | Burroughs Corp | Partitioning of flexible disc pack by end-applied air jet |
| US4164768A (en) * | 1978-09-01 | 1979-08-14 | International Business Machines Corporation | Dual stage flow controller for self-ventilating disk pack |
| US4208678A (en) * | 1978-10-02 | 1980-06-17 | International Business Machines Corporation | Stabilized rotation of flexible disk files |
| US4367547A (en) * | 1981-05-04 | 1983-01-04 | Wayne H. Coloney Co., Inc. | Apparatus for holding record disks by vacuum |
| US4707752A (en) * | 1982-12-02 | 1987-11-17 | Unisys Corp. | Spacer means on floppy disks and associated techniques |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1308059A (fr) * | 1961-09-22 | 1962-11-03 | Electronique & Automatisme Sa | Mémoire magnétique perfectionnée |
| NL6603388A (enExample) * | 1965-03-30 | 1966-10-03 | ||
| NL6812450A (enExample) * | 1968-08-31 | 1970-03-03 |
-
1974
- 1974-07-01 US US05/484,830 patent/US3936880A/en not_active Expired - Lifetime
-
1975
- 1975-03-25 FR FR7510346A patent/FR2277403A1/fr active Granted
- 1975-05-08 GB GB1932775A patent/GB1454254A/en not_active Expired
- 1975-05-23 CA CA227,708A patent/CA1068398A/en not_active Expired
- 1975-06-04 DE DE19752524784 patent/DE2524784A1/de not_active Withdrawn
- 1975-06-10 JP JP50069219A patent/JPS5211573B2/ja not_active Expired
- 1975-06-16 IT IT24383/75A patent/IT1038943B/it active
- 1975-06-18 NL NL7507232A patent/NL7507232A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7507232A (nl) | 1976-01-05 |
| JPS519409A (enExample) | 1976-01-26 |
| DE2524784A1 (de) | 1976-01-22 |
| FR2277403A1 (fr) | 1976-01-30 |
| FR2277403B1 (enExample) | 1979-03-30 |
| IT1038943B (it) | 1979-11-30 |
| GB1454254A (en) | 1976-11-03 |
| US3936880A (en) | 1976-02-03 |
| JPS5211573B2 (enExample) | 1977-03-31 |
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