NL136149C - - Google Patents
Info
- Publication number
- NL136149C NL136149C NL136149DA NL136149C NL 136149 C NL136149 C NL 136149C NL 136149D A NL136149D A NL 136149DA NL 136149 C NL136149 C NL 136149C
- Authority
- NL
- Netherlands
- Prior art keywords
- gaps
- track
- march
- passing
- heads
- Prior art date
Links
- 238000004804 winding Methods 0.000 abstract 2
- 230000000295 complement effect Effects 0.000 abstract 1
- 230000004907 flux Effects 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 abstract 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
- 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
- G11B23/0007—Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information
-
- 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
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/335—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only with saturated jig, e.g. for detecting second harmonic; balanced flux head
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Digital Magnetic Recording (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Measuring Magnetic Variables (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1593560A | 1960-03-18 | 1960-03-18 | |
| US1605860A | 1960-03-18 | 1960-03-18 | |
| US416453A US3399393A (en) | 1960-03-18 | 1964-12-07 | Two-probe three-gap flux sensitive magnetic head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL136149C true NL136149C (de) |
Family
ID=27360450
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL136149D NL136149C (de) | 1960-03-18 | ||
| NL262508D NL262508A (de) | 1960-03-18 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL262508D NL262508A (de) | 1960-03-18 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3399393A (de) |
| JP (1) | JPS4820123B1 (de) |
| DE (2) | DE1424405A1 (de) |
| FR (2) | FR1283746A (de) |
| GB (2) | GB896337A (de) |
| NL (2) | NL262508A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3651282A (en) * | 1969-06-19 | 1972-03-21 | Martin E Gerry | Distortionless magnetic components |
| US3651502A (en) * | 1970-06-15 | 1972-03-21 | Singer Co | Magnetic sensing transducer with a flat unitary laminate core structure |
| US3881191A (en) * | 1972-05-19 | 1975-04-29 | Ibm | Three-gap magnetic recording head having a single flux sensing means |
| DE4314423A1 (de) * | 1993-05-03 | 1994-11-10 | Philips Patentverwaltung | Magnetbandgerät |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3239823A (en) * | 1962-05-16 | 1966-03-08 | Ibm | Twin gap flux responsive head |
| US3150358A (en) * | 1962-05-31 | 1964-09-22 | Ibm | Data detection system for reproducing magnetic binary information |
-
0
- NL NL136149D patent/NL136149C/xx active
- NL NL262508D patent/NL262508A/xx unknown
-
1961
- 1961-03-06 GB GB8003/61A patent/GB896337A/en not_active Expired
- 1961-03-16 FR FR855794A patent/FR1283746A/fr not_active Expired
- 1961-03-18 DE DE19611424405 patent/DE1424405A1/de active Pending
-
1964
- 1964-12-07 US US416453A patent/US3399393A/en not_active Expired - Lifetime
-
1965
- 1965-11-10 GB GB47596/65A patent/GB1064890A/en not_active Expired
- 1965-11-20 JP JP40071086A patent/JPS4820123B1/ja active Pending
- 1965-12-01 FR FR40395A patent/FR1455679A/fr not_active Expired
- 1965-12-06 DE DE19651474391 patent/DE1474391A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4820123B1 (de) | 1973-06-19 |
| FR1455679A (fr) | 1966-10-14 |
| GB1064890A (en) | 1967-04-12 |
| US3399393A (en) | 1968-08-27 |
| NL262508A (de) | |
| DE1474391A1 (de) | 1969-08-21 |
| DE1424405A1 (de) | 1968-10-31 |
| FR1283746A (fr) | 1962-02-02 |
| GB896337A (en) | 1962-05-16 |
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