KR900007488B1 - 자기 헤드 - Google Patents
자기 헤드 Download PDFInfo
- Publication number
- KR900007488B1 KR900007488B1 KR1019860007316A KR860007316A KR900007488B1 KR 900007488 B1 KR900007488 B1 KR 900007488B1 KR 1019860007316 A KR1019860007316 A KR 1019860007316A KR 860007316 A KR860007316 A KR 860007316A KR 900007488 B1 KR900007488 B1 KR 900007488B1
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic
- magnetic head
- ring
- core
- shaped
- 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
Images
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
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- 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
-
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
- G11B5/53—Disposition or mounting of heads on rotating support
- G11B5/531—Disposition of more than one recording or reproducing head on support rotating cyclically around an axis
- G11B5/534—Disposition of more than one recording or reproducing head on support rotating cyclically around an axis inclined relative to the direction of movement of the tape, e.g. for helicoidal scanning
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Abstract
Description
Claims (2)
- 복수개의 링형 자기 헤드 코어가 헤드 베이스 위에 배치된 자기 헤드에 있어서, 자기 기록 메체와의 미끄러짐 접점면측에 있어서 이 복수개의 링형 자기 헤드코어(11a), (11b)가 대향하는 쪽의 끝 가장자리(17a, 17b)를 이 링형 자기 헤드 코어의 자기 갭(15a, 15b)에 대해서 비평행이며 또한 단면이 직선으로 그려지는 형상으로 형성한 것을 특징으로 하는 자기 헤드.
- 복수개의 링형 자기 헤드 코어가 헤드 베이스 위에 배치된 자기 헤드에 있어서, 이 복수개의 링형 자기 헤드 코어(11a, 11b)의 대향측의 끝 가장자리(17a, 17b)가 링형 자기 헤드 코어의 자기 갭(15a, 15b)에 대해서 비평행이 되도록 형성함과 동시에, 이 끝 가장자리(17a, 17b)에서 최소한 자기 갭(15a, 15b)에 이르는 자기 기록 매체 미끄러짐 접점면에 노출되어 있는 자성부의 폭이 트랙폭과 거의 같은 정도가 되도록 형성한 것을 특징으로 하는 자기 헤드.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP198646 | 1985-09-10 | ||
| JP198647 | 1985-09-10 | ||
| JP19864685A JPS6260104A (ja) | 1985-09-10 | 1985-09-10 | 磁気ヘツド |
| JP19864785A JPS6260105A (ja) | 1985-09-10 | 1985-09-10 | 磁気ヘツド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR870003465A KR870003465A (ko) | 1987-04-17 |
| KR900007488B1 true KR900007488B1 (ko) | 1990-10-10 |
Family
ID=26511097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019860007316A Expired KR900007488B1 (ko) | 1985-09-10 | 1986-09-02 | 자기 헤드 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4758916A (ko) |
| EP (1) | EP0219222B1 (ko) |
| KR (1) | KR900007488B1 (ko) |
| DE (1) | DE3684754D1 (ko) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63142505A (ja) * | 1986-12-05 | 1988-06-14 | Hitachi Ltd | 磁気ヘツド装置 |
| JPH02149908A (ja) * | 1988-11-30 | 1990-06-08 | Victor Co Of Japan Ltd | ダブルアジマス磁気ヘッド |
| US4984118A (en) * | 1989-01-09 | 1991-01-08 | Springer Technologies | Flux-concentrating, non-ghosting electromagnetic read/write head |
| US5216559A (en) * | 1990-06-01 | 1993-06-01 | Iomega Corporation | Carrier structure for read/write heads |
| US5122917A (en) * | 1990-06-01 | 1992-06-16 | Iomega Corporation | Unitary read-write head array for magnetic media |
| US5978185A (en) * | 1995-12-27 | 1999-11-02 | Hitachi Ltd. | Rotary head and recording/reading apparatus provided with rotary head |
| US9280988B1 (en) | 2014-09-04 | 2016-03-08 | Oracle International Corporation | Tape head surface with non-uniform cross-width edge profiles |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2885488A (en) * | 1952-09-30 | 1959-05-05 | Rca Corp | Magnetic record transducer |
| US3846819A (en) * | 1967-03-31 | 1974-11-05 | Rca Corp | Method for recording two separate signals |
| US3978523A (en) * | 1969-03-10 | 1976-08-31 | Matsushita Electric Industrial Co., Ltd. | Multi-channel dual-gap magnetic head |
| JPS51138421A (en) * | 1975-05-26 | 1976-11-30 | Olympus Optical Co Ltd | Method of fabricating magnetic head |
| JPS5275311A (en) * | 1975-12-18 | 1977-06-24 | Matsushita Electric Ind Co Ltd | Magnetic reproduction head |
| JPS5623A (en) * | 1979-06-15 | 1981-01-06 | Hitachi Ltd | Magnetic head and its manufacture |
| JPS5625223A (en) * | 1979-08-07 | 1981-03-11 | Tdk Corp | Magnetic recording and reproducing head |
| JPS5634126A (en) * | 1979-08-22 | 1981-04-06 | Tdk Corp | Magnetic recording playback head and its manufacture |
| JPS56114115A (en) * | 1980-02-12 | 1981-09-08 | Canon Inc | Magnetic head |
| JPS56117485A (en) * | 1980-02-20 | 1981-09-14 | Sony Corp | Reproducer of video signal |
| JPS57172523A (en) * | 1981-04-17 | 1982-10-23 | Mitsubishi Electric Corp | Magnetic head device |
| JPS57189325A (en) * | 1981-05-18 | 1982-11-20 | Toshiba Corp | Composite magnetic head |
| JPS5880119A (ja) * | 1981-11-04 | 1983-05-14 | Hitachi Ltd | 複合磁性体磁気ヘツド |
| JPS58111120A (ja) * | 1981-12-23 | 1983-07-02 | Sony Corp | 複合磁気ヘツド |
| NL8105831A (nl) * | 1981-12-24 | 1983-07-18 | Philips Nv | Roteerbare kopeenheid. |
| JPS5914115A (ja) * | 1982-07-15 | 1984-01-25 | Sanyo Electric Co Ltd | 磁気ヘツド |
| US4589043A (en) * | 1982-08-31 | 1986-05-13 | Grundtner Matthias J | Magnetic head having a thermoplastic or a thermosetting plastic housing |
| JPS5992422A (ja) * | 1982-11-16 | 1984-05-28 | Matsushita Electric Ind Co Ltd | 磁気ヘツド装置 |
| JPS6013312A (ja) * | 1983-06-30 | 1985-01-23 | Sanyo Electric Co Ltd | 磁気ヘツド装置 |
| JPS60182006A (ja) * | 1984-02-29 | 1985-09-17 | Victor Co Of Japan Ltd | 磁気ヘツド |
-
1986
- 1986-09-02 KR KR1019860007316A patent/KR900007488B1/ko not_active Expired
- 1986-09-10 EP EP86306978A patent/EP0219222B1/en not_active Expired - Lifetime
- 1986-09-10 US US06/906,118 patent/US4758916A/en not_active Expired - Lifetime
- 1986-09-10 DE DE8686306978T patent/DE3684754D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0219222B1 (en) | 1992-04-08 |
| DE3684754D1 (de) | 1992-05-14 |
| KR870003465A (ko) | 1987-04-17 |
| EP0219222A3 (en) | 1988-03-30 |
| EP0219222A2 (en) | 1987-04-22 |
| US4758916A (en) | 1988-07-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19860902 |
|
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19860902 Comment text: Request for Examination of Application |
|
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19900531 Patent event code: PE09021S01D |
|
| G160 | Decision to publish patent application | ||
| PG1605 | Publication of application before grant of patent |
Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19900908 |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19910122 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19910308 Patent event code: PR07011E01D |
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| PR1002 | Payment of registration fee |
Payment date: 19910308 End annual number: 3 Start annual number: 1 |
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| PR1001 | Payment of annual fee |
Payment date: 19930727 Start annual number: 4 End annual number: 4 |
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| PR1001 | Payment of annual fee |
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| PR1001 | Payment of annual fee |
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| PR1001 | Payment of annual fee |
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| PR1001 | Payment of annual fee |
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| PR1001 | Payment of annual fee |
Payment date: 19990916 Start annual number: 10 End annual number: 10 |
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| PR1001 | Payment of annual fee |
Payment date: 20000812 Start annual number: 11 End annual number: 11 |
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| PR1001 | Payment of annual fee |
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| PR1001 | Payment of annual fee |
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| PR1001 | Payment of annual fee |
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| PR1001 | Payment of annual fee |
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| FPAY | Annual fee payment |
Payment date: 20050816 Year of fee payment: 16 |
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| PR1001 | Payment of annual fee |
Payment date: 20050816 Start annual number: 16 End annual number: 16 |
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| EXPY | Expiration of term | ||
| PC1801 | Expiration of term |