GB831492A - Improvements in magnetic transducers - Google Patents
Improvements in magnetic transducersInfo
- Publication number
- GB831492A GB831492A GB26840/56A GB2684056A GB831492A GB 831492 A GB831492 A GB 831492A GB 26840/56 A GB26840/56 A GB 26840/56A GB 2684056 A GB2684056 A GB 2684056A GB 831492 A GB831492 A GB 831492A
- Authority
- GB
- United Kingdom
- Prior art keywords
- record
- core
- sept
- portions
- magnetic
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Magnetic Heads (AREA)
Abstract
831,492. Recording heads. INTERNATIONAL BUSINESS MACHINES CORPORATION. Sept. 3, 1956 [Sept. 6, 1955], No. 26840/56. Class 40 (2). A magnetic transducer 10 having a pair of active portions 11, 12, capable of recording upon or reproducing from a magnetic record 27, is characterized in that the portions are adapted to produce or reproduce from record paths of different widths formed about a common axis on the record 27. The individual core 14, 15, 17 and 31, 33, 34 of each active portion 11, 12 is integral with and extends from one end of a common core part 13 to terminate a predetermined distance 19 or 35 from the other end of the core part 13. The width of the core parts 14, 15, 17 and therefore the air gap is greater than that of the core parts 31, 33, 34 and air gaps 35.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US831492XA | 1955-09-06 | 1955-09-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB831492A true GB831492A (en) | 1960-03-30 |
Family
ID=22176501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB26840/56A Expired GB831492A (en) | 1955-09-06 | 1956-09-03 | Improvements in magnetic transducers |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1024259B (en) |
| FR (1) | FR1159760A (en) |
| GB (1) | GB831492A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0035943A1 (en) * | 1980-03-11 | 1981-09-16 | L.C.C.-C.I.C.E. - Compagnie Europeenne De Composants Electroniques | Magnetic head with variable track-width for writing or reading magnetic data |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1179593B (en) * | 1960-06-01 | 1964-10-15 | Grundig Max | Method for magnetic recording, reading and overwriting (rewriting) using a single magnetic head |
| DE1269159B (en) * | 1961-04-07 | 1968-05-30 | Philips Nv | Magnetic head made of two circular parts separated by a useful gap filled with non-magnetic material for recording, reproducing and / or deleting video-frequency signals and a process for its production |
| DE3226953A1 (en) * | 1982-07-19 | 1984-01-19 | Siemens AG, 1000 Berlin und 8000 München | Device and method for generating n read signals from m write signals, n being a number greater than m |
-
1956
- 1956-09-03 GB GB26840/56A patent/GB831492A/en not_active Expired
- 1956-09-04 FR FR1159760D patent/FR1159760A/en not_active Expired
- 1956-09-04 DE DEI12151A patent/DE1024259B/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0035943A1 (en) * | 1980-03-11 | 1981-09-16 | L.C.C.-C.I.C.E. - Compagnie Europeenne De Composants Electroniques | Magnetic head with variable track-width for writing or reading magnetic data |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1024259B (en) | 1958-02-13 |
| FR1159760A (en) | 1958-07-02 |
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