BE756020A - Tete magnetique - Google Patents
Tete magnetiqueInfo
- Publication number
- BE756020A BE756020A BE756020DA BE756020A BE 756020 A BE756020 A BE 756020A BE 756020D A BE756020D A BE 756020DA BE 756020 A BE756020 A BE 756020A
- Authority
- BE
- Belgium
- Prior art keywords
- magnetic head
- magnetic
- head
- Prior art date
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
- G11B5/10—Structure or manufacture of housings or shields for heads
-
- 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
-
- 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
- G11B5/255—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 protection against wear
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
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 (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8666769 | 1969-09-12 | ||
JP10276569 | 1969-10-29 | ||
JP8785469 | 1969-11-03 | ||
JP11536869U JPS4939290Y1 (fr) | 1969-12-04 | 1969-12-04 | |
JP12169269U JPS5121717Y1 (fr) | 1969-12-22 | 1969-12-22 | |
JP1200570U JPS506343Y1 (fr) | 1970-02-06 | 1970-02-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE756020A true BE756020A (fr) | 1971-02-15 |
Family
ID=27548378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE756020D BE756020A (fr) | 1969-09-12 | Tete magnetique |
Country Status (5)
Country | Link |
---|---|
US (1) | US3686466A (fr) |
BE (1) | BE756020A (fr) |
DE (1) | DE2044997A1 (fr) |
GB (1) | GB1324335A (fr) |
NL (1) | NL162226C (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4052594A (en) * | 1976-03-29 | 1977-10-04 | Bourns, Inc. | Mark reader with improved mark sensing heads |
US4291354A (en) * | 1979-06-04 | 1981-09-22 | Ampex Corporation | Extended life multichannel magnetic transducer |
FR2606920B1 (fr) * | 1986-11-18 | 1991-11-29 | Europ Composants Electron | Tete magnetique pour pistes magnetiques a fort champ coercitif et procede de fabrication |
US6639753B1 (en) | 2000-09-01 | 2003-10-28 | Hewlett-Packard Development Company, L.P. | Method of forming a head assembly, a head assembly, and a linear tape drive |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2908770A (en) * | 1956-04-30 | 1959-10-13 | Rca Corp | Magnetic recording-reproducing |
US3145452A (en) * | 1958-03-24 | 1964-08-25 | Iit Res Inst | Method of making a magnetic head |
US3249700A (en) * | 1960-09-27 | 1966-05-03 | Philips Corp | Magnetic heads with means for preventing side erosion |
US3562442A (en) * | 1968-10-04 | 1971-02-09 | Potter Instrument Co Inc | Multi-track magnetic recording heads and method of construction therefor |
US3551609A (en) * | 1969-02-10 | 1970-12-29 | Burroughs Corp | Magnetic recording head with interlocking "v" bars |
-
0
- BE BE756020D patent/BE756020A/fr not_active IP Right Cessation
-
1970
- 1970-09-02 NL NL7012958.A patent/NL162226C/xx not_active IP Right Cessation
- 1970-09-09 US US70631A patent/US3686466A/en not_active Expired - Lifetime
- 1970-09-11 DE DE19702044997 patent/DE2044997A1/de active Pending
- 1970-09-11 GB GB4367770A patent/GB1324335A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3686466A (en) | 1972-08-22 |
GB1324335A (en) | 1973-07-25 |
NL7012958A (fr) | 1971-03-16 |
DE2044997A1 (de) | 1971-05-19 |
NL162226B (nl) | 1979-11-15 |
NL162226C (nl) | 1979-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: AKAI ELECTRIC CY LTD Effective date: 19850930 |