FR2361710A1 - Support d'enregistrement d'informations - Google Patents
Support d'enregistrement d'informationsInfo
- Publication number
- FR2361710A1 FR2361710A1 FR7736870A FR7736870A FR2361710A1 FR 2361710 A1 FR2361710 A1 FR 2361710A1 FR 7736870 A FR7736870 A FR 7736870A FR 7736870 A FR7736870 A FR 7736870A FR 2361710 A1 FR2361710 A1 FR 2361710A1
- Authority
- FR
- France
- Prior art keywords
- recording
- disc
- flexible
- magnetic disc
- liquid cushion
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title abstract 2
- 230000004907 flux Effects 0.000 abstract 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
- G11B17/32—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
- 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
-
- 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
-
- 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
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/03—Containers for flat record carriers
- G11B23/033—Containers for flat record carriers for flexible discs
Landscapes
- Magnetic Record Carriers (AREA)
- Feeding And Guiding Record Carriers (AREA)
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Abstract
Ce support flexible d'enregistrement comprend une feuille circulaire 10 de matière flexible comprenant une partie centrale de montage disposée radialement vers l'extérieur par rapport au centre géométrique de ladite feuille circulaire et une partie extérieure solidaire de ladite partie centrale de montage et concentrique à celle-ci, ladite partie extérieure formant une surface sur laquelle des informations peuvent être enregistrées, ladite partie centrale de montage comportant au moins des première et seconde ouvertures disposées radialement vers l'extérieur par rapport audit centre géométrique de ladite feuille circulaire et sur ses côtés opposés.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/647,022 US4079427A (en) | 1976-01-07 | 1976-01-07 | Flexible magnetic disc recording technique |
US05/647,024 US4060839A (en) | 1976-01-07 | 1976-01-07 | Flexible information storage disc |
US05/647,023 US4057840A (en) | 1976-01-07 | 1976-01-07 | Flexible disc recording cartridge |
US05/647,021 US4063295A (en) | 1976-01-07 | 1976-01-07 | Flexible magnetic disc recording technique |
US05/661,228 US4069508A (en) | 1976-02-25 | 1976-02-25 | Flexible magnetic disc recording system |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2361710A1 true FR2361710A1 (fr) | 1978-03-10 |
FR2361710B1 FR2361710B1 (fr) | 1985-03-22 |
Family
ID=27542040
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7700404A Granted FR2399091A1 (fr) | 1976-01-07 | 1977-01-07 | Dispositif d'enregistrement sur disque magnetique flexible |
FR7736870A Granted FR2361710A1 (fr) | 1976-01-07 | 1977-12-07 | Support d'enregistrement d'informations |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7700404A Granted FR2399091A1 (fr) | 1976-01-07 | 1977-01-07 | Dispositif d'enregistrement sur disque magnetique flexible |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS52109914A (fr) |
DE (1) | DE2700298A1 (fr) |
FR (2) | FR2399091A1 (fr) |
NL (1) | NL7700080A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2361713A1 (fr) * | 1976-08-09 | 1978-03-10 | Rca Corp | Emballage de videodisque pourvu d'un dispositif de blocage en rotation du videodisque |
FR2488713A1 (fr) * | 1980-08-14 | 1982-02-19 | Sony Corp | Cassette a disque magnetique souple et appareil utilisant une telle cassette |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6093675A (ja) * | 1983-10-27 | 1985-05-25 | Canon Inc | フレキシブル・デイスク装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4919211B1 (fr) * | 1968-02-29 | 1974-05-16 | ||
US3696350A (en) * | 1970-08-27 | 1972-10-03 | William D Cohen | Connected rotatable pliable disk and rigid disk with annular groove for recording using an air bearing |
US3737880A (en) * | 1971-09-10 | 1973-06-05 | Arvin Ind Inc | Flexible disc with air intake in turntable |
FR2167258A5 (fr) * | 1972-01-11 | 1973-08-24 | Thomson Csf | |
DE2228365A1 (de) * | 1972-06-10 | 1973-12-20 | Ted Bildplatten | Aufzeichnungs- und/oder wiedergabegeraet fuer flexible aufzeichnungstraegerfolien |
US3797035A (en) * | 1972-06-23 | 1974-03-12 | Ibm | Recording media orientation |
JPS5126664Y2 (fr) * | 1972-08-28 | 1976-07-07 | ||
US3912282A (en) * | 1972-11-17 | 1975-10-14 | Matsushita Electric Ind Co Ltd | Recording and reproducing apparatus using flexible recording media |
JPS5622072B2 (fr) * | 1973-02-16 | 1981-05-22 | ||
US3967320A (en) * | 1973-08-02 | 1976-06-29 | Licentia Patent-Verwaltungs-G.M.B.H. | Arrangement for guiding a rapidly rotating record carrier foil |
-
1977
- 1977-01-05 DE DE19772700298 patent/DE2700298A1/de active Granted
- 1977-01-06 NL NL7700080A patent/NL7700080A/xx not_active Application Discontinuation
- 1977-01-07 JP JP70477A patent/JPS52109914A/ja active Granted
- 1977-01-07 FR FR7700404A patent/FR2399091A1/fr active Granted
- 1977-12-07 FR FR7736870A patent/FR2361710A1/fr active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2361713A1 (fr) * | 1976-08-09 | 1978-03-10 | Rca Corp | Emballage de videodisque pourvu d'un dispositif de blocage en rotation du videodisque |
FR2488713A1 (fr) * | 1980-08-14 | 1982-02-19 | Sony Corp | Cassette a disque magnetique souple et appareil utilisant une telle cassette |
Also Published As
Publication number | Publication date |
---|---|
FR2399091A1 (fr) | 1979-02-23 |
FR2399091B1 (fr) | 1984-10-26 |
DE2700298C2 (fr) | 1988-09-29 |
JPS6228506B2 (fr) | 1987-06-20 |
JPS52109914A (en) | 1977-09-14 |
NL7700080A (nl) | 1977-07-11 |
DE2700298A1 (de) | 1977-09-08 |
FR2361710B1 (fr) | 1985-03-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |