NL269777A - - Google Patents
Info
- Publication number
- NL269777A NL269777A NL269777DA NL269777A NL 269777 A NL269777 A NL 269777A NL 269777D A NL269777D A NL 269777DA NL 269777 A NL269777 A NL 269777A
- Authority
- NL
- Netherlands
- Prior art keywords
- magnetic disc
- movable
- disc
- sept
- discs
- Prior art date
Links
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
- G11B5/54—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
- 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
- Supporting Of Heads In Record-Carrier Devices (AREA)
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US60107A US3090626A (en) | 1960-10-03 | 1960-10-03 | Bistable storage disc |
Publications (1)
Publication Number | Publication Date |
---|---|
NL269777A true NL269777A (ko) |
Family
ID=22027410
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL269777D NL269777A (ko) | 1960-10-03 | ||
NL122740D NL122740C (ko) | 1960-10-03 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL122740D NL122740C (ko) | 1960-10-03 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3090626A (ko) |
CH (1) | CH399539A (ko) |
DE (1) | DE1206962B (ko) |
FR (1) | FR1302697A (ko) |
GB (1) | GB920729A (ko) |
NL (2) | NL122740C (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE790744A (fr) * | 1971-11-06 | 1973-02-15 | Ibm | Dispositif pour eviter les deformations des disques magnetiquesutilisesnotamment pour le traitement de donnees |
US3768815A (en) * | 1972-06-21 | 1973-10-30 | Ibm | Apparatus for clamping and centering a flexible magnetic disk |
FR2236245B1 (ko) * | 1973-07-02 | 1976-06-25 | Ibm | |
US4051541A (en) * | 1975-12-08 | 1977-09-27 | International Business Machines Corporation | Access to floppy disk stack |
US4208683A (en) * | 1978-12-13 | 1980-06-17 | International Business Machines Corporation | Frusto-conical magnetic recording disc |
US4495613A (en) * | 1984-05-23 | 1985-01-22 | Bertrand Gagnon | Record removal and centering device for 45 r.p.m. device |
GB2445572B8 (en) * | 2007-01-15 | 2012-03-28 | Eugene H C Leung | Intelligent bi-stable structure system. |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2617655A (en) * | 1948-06-03 | 1952-11-11 | Cgs Lab Inc | Record changer |
US2802670A (en) * | 1953-06-16 | 1957-08-13 | Henry P Becton | Record assembly |
-
0
- NL NL269777D patent/NL269777A/xx unknown
- NL NL122740D patent/NL122740C/xx active
-
1960
- 1960-10-03 US US60107A patent/US3090626A/en not_active Expired - Lifetime
-
1961
- 1961-09-25 GB GB34251/61A patent/GB920729A/en not_active Expired
- 1961-09-28 DE DES76000A patent/DE1206962B/de active Pending
- 1961-09-29 CH CH1137661A patent/CH399539A/it unknown
- 1961-10-02 FR FR874720A patent/FR1302697A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH399539A (it) | 1965-09-30 |
DE1206962B (de) | 1965-12-16 |
GB920729A (en) | 1963-03-13 |
US3090626A (en) | 1963-05-21 |
FR1302697A (fr) | 1962-08-31 |
NL122740C (ko) |
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