GB714947A - Improvements in or relating to electromagnetic transducer head - Google Patents
Improvements in or relating to electromagnetic transducer headInfo
- Publication number
- GB714947A GB714947A GB435952A GB435952A GB714947A GB 714947 A GB714947 A GB 714947A GB 435952 A GB435952 A GB 435952A GB 435952 A GB435952 A GB 435952A GB 714947 A GB714947 A GB 714947A
- Authority
- GB
- United Kingdom
- Prior art keywords
- core
- limbs
- support member
- magnetic
- erazing
- 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)
- Magnetic Heads (AREA)
Abstract
714,947. Magnetic recording apparatus. ARMOUR RESEARCH FOUNDATION OF ILLINOIS INSTITUTE OF TECHNOLOGY. Feb. 19, 1952, No. 4359/52. Class 40 (2). A magnetic transducer comprises . a frameshaped support member 13 with an opening 23 therein, across which the legs 15, 16 of the magnetic core are secured by clamps 21, 22, the said legs 15, 16 extending beyond the support member 13 to form non-magnetic gaps 19, 29. The pole faces of the magnetic core are made concave to conform with a support member 27. In the first embodiment, Figs. 1 and 4, the tip of the leg 15 of the core incorporates the erazing head and has a slotted opening 28 forming limbs on which series connected coils 30, 32 are wound carrying the high frequency erazing current. The coil 32 serves also to produce a high-frequency biasing flux across the recording gap 19. The limbs 15, 16 of the core carry record/reproduce winding 11. The ends 25 of clamps 21, 22, holding the core members 14, 15, 16 in overlapping arrangement on the support member 13, are inserted through slots 24 therein and then bent over. In an alternative embodiment, Fig. 5, the core has three limbs 38, 39, 40, the limbs 39, 38 carrying the erazing and biasing coils 48, 63, respectively, and the limb 40 carrying the record/ reproduce coil 49.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB435952A GB714947A (en) | 1952-02-19 | 1952-02-19 | Improvements in or relating to electromagnetic transducer head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB435952A GB714947A (en) | 1952-02-19 | 1952-02-19 | Improvements in or relating to electromagnetic transducer head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB714947A true GB714947A (en) | 1954-09-08 |
Family
ID=9775691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB435952A Expired GB714947A (en) | 1952-02-19 | 1952-02-19 | Improvements in or relating to electromagnetic transducer head |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB714947A (en) |
-
1952
- 1952-02-19 GB GB435952A patent/GB714947A/en not_active Expired
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