IT983623B - Disco di registrazione dotato di mezzi di orientamento - Google Patents
Disco di registrazione dotato di mezzi di orientamentoInfo
- Publication number
- IT983623B IT983623B IT22158/73A IT2215873A IT983623B IT 983623 B IT983623 B IT 983623B IT 22158/73 A IT22158/73 A IT 22158/73A IT 2215873 A IT2215873 A IT 2215873A IT 983623 B IT983623 B IT 983623B
- Authority
- IT
- Italy
- Prior art keywords
- recording disk
- orientation means
- orientation
- recording
- disk
- Prior art date
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
- G11B17/02—Details
- G11B17/022—Positioning or locking of single discs
- G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
- G11B17/0282—Positioning or locking of single discs of discs rotating during transducing operation by means provided on the turntable
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26584172A | 1972-06-23 | 1972-06-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT983623B true IT983623B (it) | 1974-11-11 |
Family
ID=23012084
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22159/73A IT982634B (it) | 1972-06-23 | 1973-03-07 | Meccanismo di orientamento per l impiego in un sistema magnetico di lettura registrazione |
IT22158/73A IT983623B (it) | 1972-06-23 | 1973-03-27 | Disco di registrazione dotato di mezzi di orientamento |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22159/73A IT982634B (it) | 1972-06-23 | 1973-03-07 | Meccanismo di orientamento per l impiego in un sistema magnetico di lettura registrazione |
Country Status (14)
Country | Link |
---|---|
US (1) | US3797035A (it) |
JP (2) | JPS5431803B2 (it) |
AR (1) | AR197406A1 (it) |
AU (2) | AU471746B2 (it) |
BR (1) | BR7304227D0 (it) |
CA (2) | CA1009747A (it) |
CH (2) | CH558062A (it) |
DE (2) | DE2331459C2 (it) |
ES (2) | ES415532A1 (it) |
FR (2) | FR2197203B1 (it) |
GB (2) | GB1379354A (it) |
IT (2) | IT982634B (it) |
NL (2) | NL7308311A (it) |
ZA (2) | ZA733618B (it) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3953891A (en) * | 1975-03-17 | 1976-04-27 | International Business Machines Corporation | Soundhead restore mechanism for use in a disc machine |
JPS51140608A (en) * | 1975-05-28 | 1976-12-03 | Sanyo Electric Co Ltd | Recording and playback device |
JPS527221A (en) * | 1975-06-11 | 1977-01-20 | Matsushita Electric Ind Co Ltd | Flexible-sheet holding device |
US4069508A (en) * | 1976-02-25 | 1978-01-17 | Texas Instruments Incorporated | Flexible magnetic disc recording system |
US4060839A (en) * | 1976-01-07 | 1977-11-29 | Texas Instruments Incorporated | Flexible information storage disc |
DE2700298A1 (de) * | 1976-01-07 | 1977-09-08 | Texas Instruments Inc | Anordnung zum aufzeichnen und/oder lesen von informationen |
US4124118A (en) * | 1976-08-09 | 1978-11-07 | Rca Corporation | Rotational restraint for a video disc package |
IT1073290B (it) * | 1977-03-04 | 1985-04-13 | Olivetti & Co Spa | Apparecchiatura per registrare e o leggere informazioni binarie su un disco magnetico flessibile di piccole dimensioni |
JPS5412807A (en) * | 1977-06-30 | 1979-01-30 | Anritsu Corp | Portable magnetic recording disc |
JPS54126507A (en) * | 1978-03-25 | 1979-10-01 | Sakae Tanaka | Record player system |
JPS5736473A (en) * | 1980-08-14 | 1982-02-27 | Sony Corp | Rotating driving device |
US4400753A (en) * | 1981-06-19 | 1983-08-23 | International Business Machines Corporation | Universal magnetic recording disk cartridge |
JPS60253078A (ja) * | 1984-05-30 | 1985-12-13 | Toshiba Corp | 回転磁気記録媒体 |
US4870524A (en) * | 1984-07-06 | 1989-09-26 | Furukawa Aluminum Co., Ltd. | Substrate for rigid disk storage media |
KR860700307A (ko) * | 1984-07-06 | 1986-08-01 | 쉬베르다커 제이 디 | 경질 디스크 축적매체를 위한 개량기판과 그 제조방법 및 장치 |
JPH0638965B2 (ja) * | 1985-12-28 | 1994-05-25 | 古河アルミニウム工業株式会社 | メモリデイスク用基板の製造方法 |
WO1987004093A1 (en) * | 1985-12-28 | 1987-07-16 | Falcore Co., Ltd. | Method of preparing metal base for memory disk |
JPH0638964B2 (ja) * | 1985-12-28 | 1994-05-25 | 古河アルミニウム工業株式会社 | メモリデイスク用基板の製造方法 |
DE4124496A1 (de) * | 1991-07-24 | 1993-01-28 | Teves Gmbh Alfred | Bremsanlage fuer kraftfahrzeuge mit elektrischem antrieb |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE972544C (de) * | 1950-09-23 | 1959-08-13 | Telefunken Gmbh | Magnettongeraet mit blatt- oder scheibenfoermigem Magnetogrammtraeger |
DE1196388B (de) * | 1959-09-15 | 1965-07-08 | Ricoh Kk | Vorrichtung zur Justierung der Magnettonfolie in einem Magnettongeraet mit spiralfoermiger Magnetspur |
JPS4318514Y1 (it) * | 1966-10-19 | 1968-07-31 | ||
JPS4528133Y1 (it) * | 1967-08-12 | 1970-10-29 |
-
1971
- 1971-06-23 US US00265841A patent/US3797035A/en not_active Expired - Lifetime
-
1973
- 1973-03-07 IT IT22159/73A patent/IT982634B/it active
- 1973-03-27 IT IT22158/73A patent/IT983623B/it active
- 1973-05-10 CA CA171,188A patent/CA1009747A/en not_active Expired
- 1973-05-10 CA CA171,187A patent/CA1009746A/en not_active Expired
- 1973-05-21 GB GB2403873A patent/GB1379354A/en not_active Expired
- 1973-05-21 GB GB2403973A patent/GB1379355A/en not_active Expired
- 1973-05-25 FR FR7320847*A patent/FR2197203B1/fr not_active Expired
- 1973-05-25 FR FR7320846*A patent/FR2231069B1/fr not_active Expired
- 1973-05-25 JP JP5789573A patent/JPS5431803B2/ja not_active Expired
- 1973-05-25 JP JP5789473A patent/JPS5515789B2/ja not_active Expired
- 1973-05-28 ZA ZA00733618A patent/ZA733618B/xx unknown
- 1973-05-28 ZA ZA00733617A patent/ZA733617B/xx unknown
- 1973-05-29 AR AR248274A patent/AR197406A1/es active
- 1973-05-29 AU AU56250/73A patent/AU471746B2/en not_active Expired
- 1973-05-29 AU AU56251/73A patent/AU474740B2/en not_active Expired
- 1973-06-04 ES ES415532A patent/ES415532A1/es not_active Expired
- 1973-06-04 ES ES415533A patent/ES415533A1/es not_active Expired
- 1973-06-06 BR BR4227/73A patent/BR7304227D0/pt unknown
- 1973-06-15 CH CH869973A patent/CH558062A/xx not_active IP Right Cessation
- 1973-06-15 CH CH870073A patent/CH558065A/xx not_active IP Right Cessation
- 1973-06-15 NL NL7308311A patent/NL7308311A/xx not_active Application Discontinuation
- 1973-06-15 NL NLAANVRAGE7308312,A patent/NL168983C/xx not_active IP Right Cessation
- 1973-06-20 DE DE2331459A patent/DE2331459C2/de not_active Expired
- 1973-06-20 DE DE2331460A patent/DE2331460C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1379355A (en) | 1975-01-02 |
NL7308311A (it) | 1973-12-27 |
JPS5431803B2 (it) | 1979-10-09 |
ZA733618B (en) | 1975-01-29 |
ES415532A1 (es) | 1976-05-01 |
AU5625073A (en) | 1975-01-09 |
US3797035A (en) | 1974-03-12 |
JPS4958811A (it) | 1974-06-07 |
FR2197203A1 (it) | 1974-03-22 |
DE2331459C2 (de) | 1983-05-26 |
NL168983C (nl) | 1982-05-17 |
DE2331459A1 (de) | 1974-01-17 |
CH558065A (de) | 1975-01-15 |
AR197406A1 (es) | 1974-04-05 |
AU474740B2 (en) | 1976-07-29 |
IT982634B (it) | 1974-10-21 |
NL168983B (nl) | 1981-12-16 |
FR2197203B1 (it) | 1976-09-17 |
AU471746B2 (en) | 1976-04-29 |
AU5625173A (en) | 1974-12-05 |
ZA733617B (en) | 1975-01-29 |
BR7304227D0 (pt) | 1974-07-25 |
ES415533A1 (es) | 1976-02-16 |
JPS5515789B2 (it) | 1980-04-25 |
GB1379354A (en) | 1975-01-02 |
FR2231069A1 (it) | 1974-12-20 |
NL7308312A (it) | 1973-12-27 |
CH558062A (de) | 1975-01-15 |
CA1009747A (en) | 1977-05-03 |
DE2331460A1 (de) | 1974-01-17 |
JPS4958805A (it) | 1974-06-07 |
FR2231069B1 (it) | 1976-05-28 |
DE2331460C2 (de) | 1983-09-22 |
CA1009746A (en) | 1977-05-03 |
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