CA1074441A - Access to floppy disk stack - Google Patents
Access to floppy disk stackInfo
- Publication number
- CA1074441A CA1074441A CA267,392A CA267392A CA1074441A CA 1074441 A CA1074441 A CA 1074441A CA 267392 A CA267392 A CA 267392A CA 1074441 A CA1074441 A CA 1074441A
- Authority
- CA
- Canada
- Prior art keywords
- split
- disks
- stack
- partial
- displacement
- 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
- 238000003860 storage Methods 0.000 claims abstract description 34
- 238000009423 ventilation Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000006073 displacement reaction Methods 0.000 claims abstract description 22
- 230000002463 transducing effect Effects 0.000 claims abstract description 12
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 10
- 230000001788 irregular Effects 0.000 claims abstract description 5
- 230000009471 action Effects 0.000 claims description 6
- 230000001052 transient effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 230000004044 response Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 5
- 230000001143 conditioned effect Effects 0.000 claims 1
- 230000003750 conditioning effect Effects 0.000 claims 1
- 230000004069 differentiation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 230000000977 initiatory effect Effects 0.000 claims 1
- 230000000750 progressive effect Effects 0.000 claims 1
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000012795 verification Methods 0.000 description 11
- 125000006850 spacer group Chemical group 0.000 description 10
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000002459 sustained effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000003466 anti-cipated effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 101100129922 Caenorhabditis elegans pig-1 gene Proteins 0.000 description 1
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 description 1
- 101100130497 Drosophila melanogaster Mical gene Proteins 0.000 description 1
- 101100520057 Drosophila melanogaster Pig1 gene Proteins 0.000 description 1
- 101100345589 Mus musculus Mical1 gene Proteins 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLNZEKHULJKQBA-UHFFFAOYSA-N terbufos Chemical compound CCOP(=S)(OCC)SCSC(C)(C)C XLNZEKHULJKQBA-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- ACWBQPMHZXGDFX-QFIPXVFZSA-N valsartan Chemical class C1=CC(CN(C(=O)CCCC)[C@@H](C(C)C)C(O)=O)=CC=C1C1=CC=CC=C1C1=NN=NN1 ACWBQPMHZXGDFX-QFIPXVFZSA-N 0.000 description 1
Classifications
-
- 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)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Measuring Fluid Pressure (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/638,792 US4051541A (en) | 1975-12-08 | 1975-12-08 | Access to floppy disk stack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1074441A true CA1074441A (en) | 1980-03-25 |
Family
ID=24561453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA267,392A Expired CA1074441A (en) | 1975-12-08 | 1976-12-08 | Access to floppy disk stack |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4051541A (https=) |
| JP (1) | JPS5270817A (https=) |
| AU (1) | AU505465B2 (https=) |
| BE (1) | BE848054A (https=) |
| BR (1) | BR7608248A (https=) |
| CA (1) | CA1074441A (https=) |
| CH (1) | CH607226A5 (https=) |
| DE (1) | DE2655010B2 (https=) |
| ES (1) | ES454014A1 (https=) |
| FR (1) | FR2335016A1 (https=) |
| GB (1) | GB1503067A (https=) |
| IT (1) | IT1070428B (https=) |
| NL (1) | NL7613537A (https=) |
| SE (1) | SE408498B (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4167029A (en) * | 1976-08-04 | 1979-09-04 | Burroughs Corporation | Jet distributor for end-wise pneumatic partitioning of disk pack |
| US4092681A (en) * | 1976-12-20 | 1978-05-30 | International Business Machines Corporation | Flexible disk file access mechanism |
| US4143408A (en) * | 1977-11-28 | 1979-03-06 | International Business Machines Corp. | External selector and internal controller for flexible disc stack |
| US4164768A (en) * | 1978-09-01 | 1979-08-14 | International Business Machines Corporation | Dual stage flow controller for self-ventilating disk pack |
| US4229774A (en) * | 1979-01-02 | 1980-10-21 | International Business Machines Corporation | Self-adapting flow restrictors |
| US7212377B1 (en) * | 2004-03-31 | 2007-05-01 | Western Digital Technologies, Inc. | Disk drive having apertures near the ID of a disk stack for allowing airflow to pass through the apertures to reduce disk flutter |
| US7224551B1 (en) * | 2004-05-15 | 2007-05-29 | Western Digital Technologies, Inc. | Disk drive having apertures aligned near the inner diameter of a disk stack for allowing airflow to pass through the apertures to reduce disk flutter |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3130393A (en) * | 1959-05-13 | 1964-04-21 | Sperry Rand Corp | Information storage device |
| NL122740C (https=) * | 1960-10-03 | |||
| NL6812450A (https=) * | 1968-08-31 | 1970-03-03 | ||
| US3835998A (en) * | 1973-07-02 | 1974-09-17 | Ibm | Edge locating apparatus |
| US3936878A (en) * | 1973-12-26 | 1976-02-03 | International Business Machines Corporation | Disc interface location |
| US3936880A (en) * | 1974-07-01 | 1976-02-03 | International Business Machines Corporation | Bistable deflection separation of flexible disks |
-
1975
- 1975-12-08 US US05/638,792 patent/US4051541A/en not_active Expired - Lifetime
-
1976
- 1976-10-27 FR FR7633195A patent/FR2335016A1/fr active Granted
- 1976-11-05 BE BE172132A patent/BE848054A/xx unknown
- 1976-11-09 IT IT29132/76A patent/IT1070428B/it active
- 1976-11-16 GB GB47659/76A patent/GB1503067A/en not_active Expired
- 1976-11-19 JP JP51138594A patent/JPS5270817A/ja active Granted
- 1976-11-29 CH CH1499676A patent/CH607226A5/xx not_active IP Right Cessation
- 1976-12-04 DE DE2655010A patent/DE2655010B2/de active Granted
- 1976-12-06 NL NL7613537A patent/NL7613537A/xx not_active Application Discontinuation
- 1976-12-07 ES ES454014A patent/ES454014A1/es not_active Expired
- 1976-12-07 SE SE7613730A patent/SE408498B/xx unknown
- 1976-12-08 AU AU20384/76A patent/AU505465B2/en not_active Expired
- 1976-12-08 BR BR7608248A patent/BR7608248A/pt unknown
- 1976-12-08 CA CA267,392A patent/CA1074441A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2655010A1 (de) | 1977-07-14 |
| GB1503067A (en) | 1978-03-08 |
| FR2335016B1 (https=) | 1978-05-12 |
| AU505465B2 (en) | 1979-11-22 |
| BR7608248A (pt) | 1977-11-29 |
| FR2335016A1 (fr) | 1977-07-08 |
| AU2038476A (en) | 1978-06-15 |
| CH607226A5 (https=) | 1978-11-30 |
| DE2655010C3 (https=) | 1979-03-15 |
| SE408498B (sv) | 1979-06-11 |
| SE7613730L (sv) | 1977-06-09 |
| NL7613537A (nl) | 1977-06-10 |
| DE2655010B2 (de) | 1978-06-29 |
| US4051541A (en) | 1977-09-27 |
| IT1070428B (it) | 1985-03-29 |
| JPS5642066B2 (https=) | 1981-10-02 |
| BE848054A (fr) | 1977-03-01 |
| ES454014A1 (es) | 1977-11-16 |
| JPS5270817A (en) | 1977-06-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |