FR2399091B1 - - Google Patents
Info
- Publication number
- FR2399091B1 FR2399091B1 FR7700404A FR7700404A FR2399091B1 FR 2399091 B1 FR2399091 B1 FR 2399091B1 FR 7700404 A FR7700404 A FR 7700404A FR 7700404 A FR7700404 A FR 7700404A FR 2399091 B1 FR2399091 B1 FR 2399091B1
- Authority
- FR
- France
- 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
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
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/647,021 US4063295A (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 |
US05/647,022 US4079427A (en) | 1976-01-07 | 1976-01-07 | Flexible magnetic disc recording technique |
US05/647,023 US4057840A (en) | 1976-01-07 | 1976-01-07 | Flexible disc recording cartridge |
US05/661,228 US4069508A (en) | 1976-02-25 | 1976-02-25 | Flexible magnetic disc recording system |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2399091A1 FR2399091A1 (fr) | 1979-02-23 |
FR2399091B1 true FR2399091B1 (fr) | 1984-10-26 |
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 After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7736870A Granted FR2361710A1 (fr) | 1976-01-07 | 1977-12-07 | Support d'enregistrement d'informations |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS52109914A (fr) |
DE (1) | DE2700298A1 (fr) |
FR (2) | FR2399091A1 (fr) |
NL (1) | NL7700080A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4124118A (en) * | 1976-08-09 | 1978-11-07 | Rca Corporation | Rotational restraint for a video disc package |
JPS5736473A (en) * | 1980-08-14 | 1982-02-27 | Sony Corp | Rotating driving device |
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
Also Published As
Publication number | Publication date |
---|---|
DE2700298A1 (de) | 1977-09-08 |
NL7700080A (nl) | 1977-07-11 |
FR2361710A1 (fr) | 1978-03-10 |
FR2399091A1 (fr) | 1979-02-23 |
DE2700298C2 (fr) | 1988-09-29 |
JPS6228506B2 (fr) | 1987-06-20 |
FR2361710B1 (fr) | 1985-03-22 |
JPS52109914A (en) | 1977-09-14 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |