BE644713A - - Google Patents
Info
- Publication number
- BE644713A BE644713A BE644713A BE644713A BE644713A BE 644713 A BE644713 A BE 644713A BE 644713 A BE644713 A BE 644713A BE 644713 A BE644713 A BE 644713A BE 644713 A BE644713 A BE 644713A
- Authority
- BE
- Belgium
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
- G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one 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
-
- 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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT175163A AT238472B (de) | 1963-03-06 | 1963-03-06 | Löschkopf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE644713A true BE644713A (fr) | 1964-09-04 |
Family
ID=3520209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE644713A BE644713A (fr) | 1963-03-06 | 1964-03-04 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3373249A (fr) |
| AT (1) | AT238472B (fr) |
| BE (1) | BE644713A (fr) |
| CH (1) | CH428250A (fr) |
| DE (1) | DE1228306B (fr) |
| ES (1) | ES297195A1 (fr) |
| GB (1) | GB1014257A (fr) |
| NL (1) | NL144415B (fr) |
| SE (1) | SE328724B (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4821126A (en) * | 1985-10-22 | 1989-04-11 | Fuji Photo Film Co., Ltd. | Magnetic recording method involving core pieces of different thickness |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2230913A (en) * | 1936-03-03 | 1941-02-04 | Licentia Gmbh | Magnetic sound recorder |
| US2876294A (en) * | 1953-10-19 | 1959-03-03 | Warner Bros | Magnetic record control method and circuits |
| US2747024A (en) * | 1954-10-04 | 1956-05-22 | Clevite Corp | Magnetic erase heads |
-
1963
- 1963-03-06 AT AT175163A patent/AT238472B/de active
-
1964
- 1964-03-03 CH CH266464A patent/CH428250A/de unknown
- 1964-03-03 GB GB8950/64A patent/GB1014257A/en not_active Expired
- 1964-03-03 DE DEN24549A patent/DE1228306B/de active Pending
- 1964-03-03 SE SE02600/64A patent/SE328724B/xx unknown
- 1964-03-03 US US348945A patent/US3373249A/en not_active Expired - Lifetime
- 1964-03-04 BE BE644713A patent/BE644713A/xx unknown
- 1964-03-04 ES ES0297195A patent/ES297195A1/es not_active Expired
- 1964-03-05 NL NL646402193A patent/NL144415B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6402193A (fr) | 1964-09-07 |
| AT238472B (de) | 1965-02-10 |
| ES297195A1 (es) | 1964-08-16 |
| CH428250A (de) | 1967-01-15 |
| DE1228306B (de) | 1966-11-10 |
| US3373249A (en) | 1968-03-12 |
| NL144415B (nl) | 1974-12-16 |
| GB1014257A (en) | 1965-12-22 |
| SE328724B (fr) | 1970-09-21 |