JPS5220254B2 - - Google Patents
Info
- Publication number
- JPS5220254B2 JPS5220254B2 JP48083688A JP8368873A JPS5220254B2 JP S5220254 B2 JPS5220254 B2 JP S5220254B2 JP 48083688 A JP48083688 A JP 48083688A JP 8368873 A JP8368873 A JP 8368873A JP S5220254 B2 JPS5220254 B2 JP S5220254B2
- Authority
- JP
- Japan
- 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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/245—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track
- G11B5/2452—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track where the dimensions of the effective gap are controlled
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7210322A NL7210322A (US06811534-20041102-M00003.png) | 1972-07-26 | 1972-07-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4954012A JPS4954012A (US06811534-20041102-M00003.png) | 1974-05-25 |
| JPS5220254B2 true JPS5220254B2 (US06811534-20041102-M00003.png) | 1977-06-02 |
Family
ID=19816614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48083688A Expired JPS5220254B2 (US06811534-20041102-M00003.png) | 1972-07-26 | 1973-07-26 |
Country Status (6)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2478357A1 (fr) * | 1980-03-11 | 1981-09-18 | Lcc Cice Cie Europ Comp Electr | Tete magnetique d'enregistrement et de lecture de donnees magnetiques, a largeur de piste variable |
| US4398229A (en) * | 1981-08-03 | 1983-08-09 | Eastman Kodak Company | Magnetic head with versatile gap |
| JPS59116917A (ja) * | 1982-12-23 | 1984-07-06 | Sankyo Seiki Mfg Co Ltd | 磁気ヘツド |
| US4849841A (en) * | 1987-04-10 | 1989-07-18 | Irwin Magnetic Systems, Inc. | Transducer head core structure with recessed magnetic closures |
| JPH0668416A (ja) * | 1992-07-07 | 1994-03-11 | Eastman Kodak Co | 磁気ヘッド |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2902544A (en) * | 1953-06-17 | 1959-09-01 | Leonard D Barry | Tapered magnetic head |
| US3171107A (en) * | 1961-07-03 | 1965-02-23 | Ibm | Wide-record narrow-read magnetic head |
| US3384881A (en) * | 1964-10-06 | 1968-05-21 | Ibm | Magnetic transducer head assembly with offset pole pieces |
| US3493694A (en) * | 1966-01-19 | 1970-02-03 | Ampex | Magnetoresistive head |
| US3686467A (en) * | 1969-08-08 | 1972-08-22 | Iit Res Inst | Magnetic transducer system and method |
| US3706861A (en) * | 1969-09-18 | 1972-12-19 | Rca Corp | Apparatus for mounting and spacing a signal transducer with respect to a recording medium |
-
1972
- 1972-07-26 NL NL7210322A patent/NL7210322A/xx unknown
-
1973
- 1973-06-21 US US00372281A patent/US3855629A/en not_active Expired - Lifetime
- 1973-07-06 DE DE19732334392 patent/DE2334392A1/de active Pending
- 1973-07-23 GB GB3495373A patent/GB1418322A/en not_active Expired
- 1973-07-25 FR FR7327241A patent/FR2194013B1/fr not_active Expired
- 1973-07-26 JP JP48083688A patent/JPS5220254B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7210322A (US06811534-20041102-M00003.png) | 1974-01-29 |
| GB1418322A (en) | 1975-12-17 |
| FR2194013B1 (US06811534-20041102-M00003.png) | 1976-09-17 |
| US3855629A (en) | 1974-12-17 |
| FR2194013A1 (US06811534-20041102-M00003.png) | 1974-02-22 |
| DE2334392A1 (de) | 1974-02-07 |
| JPS4954012A (US06811534-20041102-M00003.png) | 1974-05-25 |
