GB1254043A - Multi-track erasing head - Google Patents
Multi-track erasing headInfo
- Publication number
- GB1254043A GB1254043A GB2651569A GB2651569A GB1254043A GB 1254043 A GB1254043 A GB 1254043A GB 2651569 A GB2651569 A GB 2651569A GB 2651569 A GB2651569 A GB 2651569A GB 1254043 A GB1254043 A GB 1254043A
- Authority
- GB
- United Kingdom
- Prior art keywords
- poles
- recess
- erasing head
- block
- ferrite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229910000859 α-Fe Inorganic materials 0.000 abstract 2
- 239000004593 Epoxy Substances 0.000 abstract 1
- 238000005553 drilling Methods 0.000 abstract 1
- 238000004804 winding Methods 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
- G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
-
- 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 |
|---|---|---|---|
| DE19681774341 DE1774341A1 (de) | 1968-05-28 | 1968-05-28 | Trennspurfreier Mehrspur-Loeschkopf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1254043A true GB1254043A (en) | 1971-11-17 |
Family
ID=5702111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2651569A Expired GB1254043A (en) | 1968-05-28 | 1969-05-23 | Multi-track erasing head |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT301202B (enrdf_load_stackoverflow) |
| CH (1) | CH504074A (enrdf_load_stackoverflow) |
| DE (1) | DE1774341A1 (enrdf_load_stackoverflow) |
| DK (1) | DK128466B (enrdf_load_stackoverflow) |
| FR (1) | FR2009467A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1254043A (enrdf_load_stackoverflow) |
| NO (1) | NO124803B (enrdf_load_stackoverflow) |
| SE (1) | SE339886B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1291615A (en) * | 1970-05-26 | 1972-10-04 | Int Computers Ltd | Improvements in or relating to magnetic recording apparatus |
-
1968
- 1968-05-28 DE DE19681774341 patent/DE1774341A1/de active Pending
-
1969
- 1969-05-16 AT AT469969A patent/AT301202B/de not_active IP Right Cessation
- 1969-05-23 DK DK281469A patent/DK128466B/da unknown
- 1969-05-23 GB GB2651569A patent/GB1254043A/en not_active Expired
- 1969-05-27 CH CH801869A patent/CH504074A/de not_active IP Right Cessation
- 1969-05-27 SE SE743569A patent/SE339886B/xx unknown
- 1969-05-27 FR FR6917148A patent/FR2009467A1/fr not_active Withdrawn
- 1969-05-27 NO NO215969A patent/NO124803B/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DK128466B (da) | 1974-05-06 |
| NO124803B (enrdf_load_stackoverflow) | 1972-06-05 |
| AT301202B (de) | 1972-08-25 |
| SE339886B (enrdf_load_stackoverflow) | 1971-10-25 |
| CH504074A (de) | 1971-02-28 |
| DE1774341A1 (de) | 1972-01-27 |
| FR2009467A1 (enrdf_load_stackoverflow) | 1970-02-06 |
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