DE1177205C2 - - Google Patents
Info
- Publication number
- DE1177205C2 DE1177205C2 DE1957L0028918 DEL0028918A DE1177205C2 DE 1177205 C2 DE1177205 C2 DE 1177205C2 DE 1957L0028918 DE1957L0028918 DE 1957L0028918 DE L0028918 A DEL0028918 A DE L0028918A DE 1177205 C2 DE1177205 C2 DE 1177205C2
- Authority
- DE
- Germany
- 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
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
- G11B5/2652—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative
- G11B5/2654—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative for recording or erasing
- G11B5/2655—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative for recording or erasing with all the gaps disposed within the track or "guard band" between tracks, e.g. with erase gaps operative on track edges, with wide erase gap followed by narrow write gap
- G11B5/2657—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative for recording or erasing with all the gaps disposed within the track or "guard band" between tracks, e.g. with erase gaps operative on track edges, with wide erase gap followed by narrow write gap all the gaps having the same dimension in the direction transverse to the track direction
-
- 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
-
- 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
- G11B5/027—Analogue recording
- G11B5/03—Biasing
-
- 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
- G11B5/2652—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEL28918A DE1177205B (de) | 1957-10-24 | 1957-10-24 | Magnetkopf zur Aufzeichnung bzw. Wiedergabe eines breiten, in zwei Frequenzbereiche aufgeteilten Nutzfrequenzbandes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEL28918A DE1177205B (de) | 1957-10-24 | 1957-10-24 | Magnetkopf zur Aufzeichnung bzw. Wiedergabe eines breiten, in zwei Frequenzbereiche aufgeteilten Nutzfrequenzbandes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1177205B DE1177205B (de) | 1964-09-03 |
| DE1177205C2 true DE1177205C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-05-06 |
Family
ID=7264693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEL28918A Granted DE1177205B (de) | 1957-10-24 | 1957-10-24 | Magnetkopf zur Aufzeichnung bzw. Wiedergabe eines breiten, in zwei Frequenzbereiche aufgeteilten Nutzfrequenzbandes |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1177205B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE714123C (de) * | 1940-03-27 | 1941-11-21 | Dr Hans Joachim Von Braunmuehl | Verfahren zur magnetischen Schallaufzeichnung |
| US2469266A (en) * | 1946-08-14 | 1949-05-03 | Indiana Steel Products Co | Magnetic transducer having an irregular nonmagnetic gap |
| AT190298B (de) * | 1954-04-05 | 1957-06-25 | Philips Nv | Verfahren zur Herstellung magnetischer Aufzeichnungen |
| DE1748385U (de) * | 1955-11-08 | 1957-07-11 | Daniel Tefi Apparatebau | Vorrichtung zur abtastung von magnettonaufzeichnungen. |
-
1957
- 1957-10-24 DE DEL28918A patent/DE1177205B/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE1177205B (de) | 1964-09-03 |