NO115365B - - Google Patents
Download PDFInfo
- Publication number
- NO115365B NO115365B NO157001A NO15700165A NO115365B NO 115365 B NO115365 B NO 115365B NO 157001 A NO157001 A NO 157001A NO 15700165 A NO15700165 A NO 15700165A NO 115365 B NO115365 B NO 115365B
- Authority
- NO
- Norway
- Prior art keywords
- plate
- circuits
- magnetic
- recording
- oxidic
- Prior art date
Links
- 238000004140 cleaning Methods 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000005291 magnetic effect Effects 0.000 abstract 10
- 239000003302 ferromagnetic material Substances 0.000 abstract 6
- 239000004020 conductor Substances 0.000 abstract 3
- 229910052709 silver Inorganic materials 0.000 abstract 3
- 239000004332 silver Substances 0.000 abstract 3
- 239000000696 magnetic material Substances 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
-
- 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
- G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL646402126A NL145380B (nl) | 1964-03-04 | 1964-03-04 | Dubbelspleets magneetkop. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO115365B true NO115365B (en:Method) | 1968-09-23 |
Family
ID=19789461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO157001A NO115365B (en:Method) | 1964-03-04 | 1965-03-01 |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT251307B (en:Method) |
| BE (1) | BE660457A (en:Method) |
| CH (1) | CH417994A (en:Method) |
| DE (1) | DE1474418A1 (en:Method) |
| DK (1) | DK111964B (en:Method) |
| ES (1) | ES310003A1 (en:Method) |
| FR (1) | FR1428262A (en:Method) |
| GB (1) | GB1065481A (en:Method) |
| NL (1) | NL145380B (en:Method) |
| NO (1) | NO115365B (en:Method) |
| SE (1) | SE308739B (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7054360B2 (en) | 2001-11-05 | 2006-05-30 | Cellonics Incorporated Pte, Ltd. | Method and apparatus for generating pulse width modulated waveforms |
-
1964
- 1964-03-04 NL NL646402126A patent/NL145380B/xx unknown
-
1965
- 1965-02-27 DE DE1965N0026301 patent/DE1474418A1/de active Pending
- 1965-03-01 BE BE660457A patent/BE660457A/xx unknown
- 1965-03-01 CH CH278265A patent/CH417994A/de unknown
- 1965-03-01 NO NO157001A patent/NO115365B/no unknown
- 1965-03-01 GB GB8640/65A patent/GB1065481A/en not_active Expired
- 1965-03-01 DK DK105265AA patent/DK111964B/da unknown
- 1965-03-01 AT AT176665A patent/AT251307B/de active
- 1965-03-02 SE SE2710/65A patent/SE308739B/xx unknown
- 1965-03-02 ES ES0310003A patent/ES310003A1/es not_active Expired
- 1965-03-04 FR FR7911A patent/FR1428262A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1428262A (fr) | 1966-02-11 |
| SE308739B (en:Method) | 1969-02-24 |
| DE1474418A1 (de) | 1969-05-08 |
| ES310003A1 (es) | 1965-06-01 |
| GB1065481A (en) | 1967-04-19 |
| CH417994A (de) | 1966-07-31 |
| DK111964B (da) | 1968-10-28 |
| AT251307B (de) | 1966-12-27 |
| BE660457A (en:Method) | 1965-09-01 |
| NL145380B (nl) | 1975-03-17 |
| NL6402126A (en:Method) | 1965-09-06 |
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