NL7309181A - - Google Patents
Info
- Publication number
- NL7309181A NL7309181A NL7309181A NL7309181A NL7309181A NL 7309181 A NL7309181 A NL 7309181A NL 7309181 A NL7309181 A NL 7309181A NL 7309181 A NL7309181 A NL 7309181A NL 7309181 A NL7309181 A NL 7309181A
- Authority
- NL
- Netherlands
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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
-
- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/17—Construction or disposition of windings
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Coils Or Transformers For Communication (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7223939A FR2209154B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-07-03 | 1972-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7309181A true NL7309181A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-01-07 |
Family
ID=9101238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7309181A NL7309181A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-07-03 | 1973-07-02 |
Country Status (9)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4078300A (en) * | 1975-01-10 | 1978-03-14 | Compagnie Internationale Pour L'informatique | Method of making an integrated magnetic head having pole-pieces of a reduced frontal width |
| FR2297475A1 (fr) * | 1975-01-10 | 1976-08-06 | Cii | Perfectionnements exportes aux structures de tetes magnetiques du type dit " integre " |
| US4092688A (en) * | 1975-07-31 | 1978-05-30 | Matsushita Electric Industrial Co. Ltd. | Multi-track thin film magnetic head |
| DE2721201A1 (de) * | 1977-05-11 | 1978-11-16 | Siemens Ag | Verfahren zur herstellung integrierter magnetkopfstrukturen |
| US4219854A (en) * | 1978-12-21 | 1980-08-26 | International Business Machines Corporation | Thin film magnetic head assembly |
| US4353102A (en) * | 1979-07-04 | 1982-10-05 | Matsushita Electric Industrial Co., Ltd. | Thin-film magnetic head |
| FR2468183A1 (fr) * | 1979-10-25 | 1981-04-30 | Cii Honeywell Bull | Transducteur magnetique integre |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3344237A (en) * | 1967-09-26 | Desposited film transducing apparatus and method op producing the apparatus | ||
| US3089106A (en) * | 1960-08-15 | 1963-05-07 | Wheelock Signals Inc | Printed circuit coil |
| GB1018550A (en) * | 1963-09-05 | 1966-01-26 | Ampex | Improved parametric reproducing head |
| US3514851A (en) * | 1967-04-03 | 1970-06-02 | Control Data Corp | Method of manufacturing a magnetic head structure |
| US3549825A (en) * | 1967-09-18 | 1970-12-22 | Ncr Co | Magnetic transducer with planar spiral coil extending into the gap |
| US3564558A (en) * | 1968-08-26 | 1971-02-16 | Sperry Rand Corp | High-density magnetic recording scheme |
| US3611417A (en) * | 1969-07-30 | 1971-10-05 | Sperry Rand Corp | High-density magnetic recording method |
| DE1952402A1 (de) * | 1969-10-17 | 1971-04-22 | Philips Patentverwaltung | Magnetkopf |
| BE758053A (fr) * | 1969-10-28 | 1971-04-01 | Commissariat Energie Atomique | Tete magnetique integree et procede de fabrication de ladite tete |
| US3700827A (en) * | 1970-01-31 | 1972-10-24 | Nippon Electric Co | Magnetic head including thin magnetic film separated by a gap spacer |
| US3639699A (en) * | 1970-02-27 | 1972-02-01 | Gen Electric | Magnetic transducer having a composite magnetic core structure |
-
1972
- 1972-07-03 FR FR7223939A patent/FR2209154B1/fr not_active Expired
-
1973
- 1973-06-20 BE BE132495A patent/BE801184A/xx not_active IP Right Cessation
- 1973-06-21 HU HUIE579A patent/HU169204B/hu unknown
- 1973-06-25 US US00373460A patent/US3846842A/en not_active Expired - Lifetime
- 1973-07-02 IT IT68958/73A patent/IT991646B/it active
- 1973-07-02 NL NL7309181A patent/NL7309181A/xx not_active Application Discontinuation
- 1973-07-03 DE DE2333812A patent/DE2333812C3/de not_active Expired
- 1973-07-03 GB GB3160773A patent/GB1431348A/en not_active Expired
- 1973-07-03 ES ES416545A patent/ES416545A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2209154A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-06-28 |
| IT991646B (it) | 1975-08-30 |
| BE801184A (fr) | 1973-10-15 |
| HU169204B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-10-28 |
| US3846842A (en) | 1974-11-05 |
| DE2333812B2 (de) | 1980-07-10 |
| GB1431348A (en) | 1976-04-07 |
| ES416545A1 (es) | 1976-02-16 |
| FR2209154B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-04-11 |
| DE2333812A1 (de) | 1974-01-24 |
| DE2333812C3 (de) | 1981-11-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: COMPAGNIE INTERNATIONALE POUR L INFORMATIQUE CII-HONEYWELL BULL |
|
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |