CA1056499A - Data storage apparatus employing a flexible magnetic disk - Google Patents
Data storage apparatus employing a flexible magnetic diskInfo
- Publication number
- CA1056499A CA1056499A CA209,552A CA209552A CA1056499A CA 1056499 A CA1056499 A CA 1056499A CA 209552 A CA209552 A CA 209552A CA 1056499 A CA1056499 A CA 1056499A
- Authority
- CA
- Canada
- Prior art keywords
- disk
- pads
- envelope
- pair
- opposite
- 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
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 45
- 238000013500 data storage Methods 0.000 title abstract description 10
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 230000001681 protective effect Effects 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 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
- G11B17/34—Guiding record carriers during transducing operation, e.g. for track following
-
- 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
- G11B17/022—Positioning or locking of single discs
- G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
- G11B17/032—Positioning by moving the door or the cover
-
- 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
Landscapes
- Supporting Of Heads In Record-Carrier Devices (AREA)
- Moving Of Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40613773A | 1973-10-12 | 1973-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1056499A true CA1056499A (en) | 1979-06-12 |
Family
ID=23606684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA209,552A Expired CA1056499A (en) | 1973-10-12 | 1974-09-19 | Data storage apparatus employing a flexible magnetic disk |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5321850B2 (enrdf_load_stackoverflow) |
| BE (1) | BE820982A (enrdf_load_stackoverflow) |
| CA (1) | CA1056499A (enrdf_load_stackoverflow) |
| DE (1) | DE2441881B2 (enrdf_load_stackoverflow) |
| FR (1) | FR2247786B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1465288A (enrdf_load_stackoverflow) |
| IT (1) | IT1020144B (enrdf_load_stackoverflow) |
| NL (1) | NL7412744A (enrdf_load_stackoverflow) |
| SE (1) | SE401285B (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4151573A (en) * | 1977-06-13 | 1979-04-24 | Tandon Magnetics Corp. | Magnetic recording device for double sided media |
| DE2812574C3 (de) * | 1978-03-22 | 1981-01-29 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Diskettenlaufwerk |
| JPS6245329Y2 (enrdf_load_stackoverflow) * | 1980-10-07 | 1987-12-03 | ||
| AT391377B (de) * | 1980-12-31 | 1990-09-25 | Sony Corp | Antriebsgeraet fuer eine flexible platte |
| JPS57162147A (en) * | 1981-03-27 | 1982-10-05 | Nec Corp | Magnetic recorder |
-
1974
- 1974-08-23 IT IT26544/74A patent/IT1020144B/it active
- 1974-08-30 FR FR7430004A patent/FR2247786B1/fr not_active Expired
- 1974-08-31 DE DE19742441881 patent/DE2441881B2/de active Granted
- 1974-09-19 CA CA209,552A patent/CA1056499A/en not_active Expired
- 1974-09-26 NL NL7412744A patent/NL7412744A/xx not_active Application Discontinuation
- 1974-09-27 JP JP11067674A patent/JPS5321850B2/ja not_active Expired
- 1974-10-08 GB GB4344274A patent/GB1465288A/en not_active Expired
- 1974-10-09 SE SE7412659A patent/SE401285B/xx unknown
- 1974-10-11 BE BE149454A patent/BE820982A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2247786A1 (enrdf_load_stackoverflow) | 1975-05-09 |
| JPS5067620A (enrdf_load_stackoverflow) | 1975-06-06 |
| GB1465288A (en) | 1977-02-23 |
| NL7412744A (nl) | 1975-04-15 |
| IT1020144B (it) | 1977-12-20 |
| DE2441881A1 (de) | 1975-04-24 |
| SE7412659L (sv) | 1975-04-14 |
| FR2247786B1 (enrdf_load_stackoverflow) | 1978-10-27 |
| BE820982A (fr) | 1975-02-03 |
| JPS5321850B2 (enrdf_load_stackoverflow) | 1978-07-05 |
| SE401285B (sv) | 1978-04-24 |
| DE2441881B2 (de) | 1976-04-29 |
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