NL7908862A - Werkwijze en inrichting voor het opwekken van een magnetisch inductieveld in een magnetisch medium. - Google Patents
Werkwijze en inrichting voor het opwekken van een magnetisch inductieveld in een magnetisch medium. Download PDFInfo
- Publication number
- NL7908862A NL7908862A NL7908862A NL7908862A NL7908862A NL 7908862 A NL7908862 A NL 7908862A NL 7908862 A NL7908862 A NL 7908862A NL 7908862 A NL7908862 A NL 7908862A NL 7908862 A NL7908862 A NL 7908862A
- Authority
- NL
- Netherlands
- Prior art keywords
- magnetic
- field
- generating
- medium
- selection
- Prior art date
Links
- 230000006698 induction Effects 0.000 title claims description 30
- 238000000034 method Methods 0.000 title claims description 25
- 230000005284 excitation Effects 0.000 claims description 17
- 229920006395 saturated elastomer Polymers 0.000 claims description 11
- 230000002542 deteriorative effect Effects 0.000 claims description 2
- 239000004020 conductor Substances 0.000 description 14
- 230000035699 permeability Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 239000000758 substrate Substances 0.000 description 6
- 230000000644 propagated effect Effects 0.000 description 5
- 239000010453 quartz Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000005291 arsenic sulfide based glass Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052909 inorganic silicate Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical group [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical class [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- G11B5/49—Fixed mounting or arrangements, e.g. one head per track
- G11B5/4907—Details for scanning
-
- 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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Magnetic Ceramics (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Magnetic Heads (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7908713 | 1979-04-06 | ||
| FR7908713A FR2453463A2 (fr) | 1979-04-06 | 1979-04-06 | Procede de generation d'un champ d'induction magnetique dans un milieu magnetique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7908862A true NL7908862A (nl) | 1980-10-08 |
Family
ID=9224037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7908862A NL7908862A (nl) | 1979-04-06 | 1979-12-10 | Werkwijze en inrichting voor het opwekken van een magnetisch inductieveld in een magnetisch medium. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4314297A (OSRAM) |
| JP (1) | JPS55139608A (OSRAM) |
| DE (1) | DE3007423A1 (OSRAM) |
| FR (1) | FR2453463A2 (OSRAM) |
| NL (1) | NL7908862A (OSRAM) |
| SE (1) | SE450433B (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4604669A (en) * | 1984-09-04 | 1986-08-05 | Honeywell Inc. | Magnetostrictive record head |
| GB8725467D0 (en) * | 1987-10-30 | 1987-12-02 | Honeywell Control Syst | Making current sensor |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2890275A (en) * | 1954-10-25 | 1959-06-09 | Acf Ind Inc | Magnetic recording using acoustic delay line |
| NL113483C (OSRAM) * | 1958-05-05 | |||
| US3016429A (en) * | 1959-04-24 | 1962-01-09 | Minnesota Mining & Mfg | Magnetostructure recording device |
| US3526899A (en) * | 1967-01-09 | 1970-09-01 | Ibm | Magneto-acoustic transducer for high track density recording |
| BE758053A (fr) * | 1969-10-28 | 1971-04-01 | Commissariat Energie Atomique | Tete magnetique integree et procede de fabrication de ladite tete |
| US3671681A (en) * | 1970-09-11 | 1972-06-20 | Honeywell Inc | Magnetostrictive recording assembly |
| FR2191186B1 (OSRAM) * | 1972-07-03 | 1976-01-16 | Inf Ci Interna Fr | |
| US4138702A (en) * | 1975-01-23 | 1979-02-06 | Compagnie Honeywell Bull | Head arrangement for perpendicular recording information on a magnetic record carrier |
| JPS5817994B2 (ja) * | 1978-03-03 | 1983-04-11 | 東光株式会社 | 磁性体記憶装置 |
-
1979
- 1979-04-06 FR FR7908713A patent/FR2453463A2/fr active Granted
- 1979-12-10 NL NL7908862A patent/NL7908862A/nl not_active Application Discontinuation
- 1979-12-18 US US06/104,859 patent/US4314297A/en not_active Expired - Lifetime
-
1980
- 1980-02-14 SE SE8001171A patent/SE450433B/sv not_active IP Right Cessation
- 1980-02-27 DE DE19803007423 patent/DE3007423A1/de not_active Withdrawn
- 1980-04-07 JP JP4478180A patent/JPS55139608A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US4314297A (en) | 1982-02-02 |
| SE8001171L (sv) | 1980-10-07 |
| JPS55139608A (en) | 1980-10-31 |
| FR2453463B2 (OSRAM) | 1983-09-09 |
| DE3007423A1 (de) | 1980-10-16 |
| SE450433B (sv) | 1987-06-22 |
| FR2453463A2 (fr) | 1980-10-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A1A | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BV | The patent application has lapsed | ||
| A85 | Still pending on 85-01-01 | ||
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| BV | The patent application has lapsed |