IL31681A - Rotary structure for information balancing - Google Patents
Rotary structure for information balancingInfo
- Publication number
- IL31681A IL31681A IL31681A IL3168169A IL31681A IL 31681 A IL31681 A IL 31681A IL 31681 A IL31681 A IL 31681A IL 3168169 A IL3168169 A IL 3168169A IL 31681 A IL31681 A IL 31681A
- Authority
- IL
- Israel
- Prior art keywords
- sleeve
- shaft
- disc
- rotating
- hub
- Prior art date
Links
- 230000015654 memory Effects 0.000 claims description 17
- 230000005484 gravity Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910000760 Hardened steel Inorganic materials 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 244000186140 Asperula odorata Species 0.000 description 1
- 235000008526 Galium odoratum Nutrition 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000035559 beat frequency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/0014—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
- G11B23/0021—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs
- G11B23/0028—Details
- G11B23/0035—Details means incorporated in the disc, e.g. hub, to enable its guiding, loading or driving
-
- 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
- G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
-
- 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
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/82—Disk carriers
- G11B5/825—Disk carriers flexible discs
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
- Rotational Drive Of Disk (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70816768A | 1968-02-26 | 1968-02-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL31681A0 IL31681A0 (en) | 1969-04-30 |
| IL31681A true IL31681A (en) | 1971-12-29 |
Family
ID=24844655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL31681A IL31681A (en) | 1968-02-26 | 1969-02-23 | Rotary structure for information balancing |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3548394A (de) |
| DE (1) | DE1909485B2 (de) |
| FR (1) | FR2002627A1 (de) |
| GB (1) | GB1258276A (de) |
| IL (1) | IL31681A (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3745265A (en) * | 1970-12-14 | 1973-07-10 | Sperry Rand Corp | Disc file hub mounting means |
| DE2759462C2 (de) * | 1977-07-18 | 1983-07-14 | Nixdorf Computer Ag, 4790 Paderborn | Magnetplattenspeicher |
| US4190870A (en) * | 1978-07-05 | 1980-02-26 | International Business Machines Corporation | Disk drive assembly |
| DE2944212C3 (de) * | 1978-11-03 | 1994-10-20 | Papst Motoren Gmbh & Co Kg | Magnetplattenantrieb |
| US4280155A (en) * | 1979-06-04 | 1981-07-21 | Memorex Mini Disc Drive Corp. | Method of improving air flow in compact disc drive |
| US4329604A (en) * | 1979-08-06 | 1982-05-11 | Micropolis Corporation | Low loss brushless DC motor |
| NL7906478A (nl) * | 1979-08-29 | 1981-03-03 | Philips Nv | Inrichting ten behoeve van het magnetisch inschrijven en uitlezen van signalen van grote bandbreedte. |
| US9875352B2 (en) | 2015-10-02 | 2018-01-23 | International Business Machines Corporation | Oral authentication management |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3068480A (en) * | 1958-10-06 | 1962-12-11 | Ncr Co | Disc memory assembly |
| US3161729A (en) * | 1959-10-09 | 1964-12-15 | Audichron Company | Temperature announcing machine |
| NL286162A (de) * | 1961-12-07 | |||
| US3196422A (en) * | 1962-10-18 | 1965-07-20 | Ex Ceil O Corp | Magnetic data storage disc system |
| US3159823A (en) * | 1964-02-28 | 1964-12-01 | Lab For Electronics Inc | Magnetic disc storage device |
-
1968
- 1968-02-26 US US708167A patent/US3548394A/en not_active Expired - Lifetime
-
1969
- 1969-02-21 GB GB1258276D patent/GB1258276A/en not_active Expired
- 1969-02-23 IL IL31681A patent/IL31681A/en unknown
- 1969-02-25 FR FR6904838A patent/FR2002627A1/fr not_active Withdrawn
- 1969-02-26 DE DE19691909485 patent/DE1909485B2/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2002627A1 (de) | 1969-10-31 |
| DE1909485A1 (de) | 1969-09-25 |
| DE1909485B2 (de) | 1976-09-23 |
| GB1258276A (de) | 1971-12-30 |
| IL31681A0 (en) | 1969-04-30 |
| US3548394A (en) | 1970-12-15 |
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