KR870003465A - 자기 헤드 - Google Patents

자기 헤드

Info

Publication number: KR870003465A
Authority: KR; South Korea
Prior art keywords: magnetic head; magnetic; head
Prior art date: 1985-09-10

Application number

KR1019860007316A

Other languages

English (en)

Other versions

KR900007488B1 (ko

Inventor

가즈히로 나와

시게루 미찌와끼

마사히로 구도

Original Assignee

니뽕 빅터 가부시끼가이샤

Priority date (The priority date 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 date listed.)

1985-09-10

Filing date

1986-09-02

Publication date

1987-04-17

1985-09-10 Priority claimed from JP19864785A external-priority patent/JPS6260105A/ja

1985-09-10 Priority claimed from JP19864685A external-priority patent/JPS6260104A/ja

1986-09-02 Application filed by 니뽕 빅터 가부시끼가이샤 filed Critical 니뽕 빅터 가부시끼가이샤

1987-04-17 Publication of KR870003465A publication Critical patent/KR870003465A/ko

1990-10-10 Application granted granted Critical

1990-10-10 Publication of KR900007488B1 publication Critical patent/KR900007488B1/ko

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
- 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)

KR1019860007316A 1985-09-10 1986-09-02 자기 헤드 KR900007488B1 (ko)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP19864785A JPS6260105A (ja)	1985-09-10	1985-09-10	磁気ヘツド
JP19864685A JPS6260104A (ja)	1985-09-10	1985-09-10	磁気ヘツド
JP198646		1985-09-10
JP198647		1985-09-10

Publications (2)

Publication Number	Publication Date
KR870003465A true KR870003465A (ko)	1987-04-17
KR900007488B1 KR900007488B1 (ko)	1990-10-10

Family

ID=26511097

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
KR1019860007316A 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)

* Cited by examiner, † Cited by third party
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
US5122917A (en) *	1990-06-01	1992-06-16	Iomega Corporation	Unitary read-write head array for magnetic media
US5216559A (en) *	1990-06-01	1993-06-01	Iomega Corporation	Carrier structure for read/write heads
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 (21)

* Cited by examiner, † Cited by third party
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
JPS562003A (en) *	1979-06-15	1981-01-10	Omron Tateisi Electronics Co	Sequence programmer
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 IP Right Cessation
- 1986-09-10 DE DE8686306978T patent/DE3684754D1/de not_active Expired - Lifetime
- 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

Also Published As

Publication number	Publication date
EP0219222A3 (en)	1988-03-30
US4758916A (en)	1988-07-19
EP0219222B1 (en)	1992-04-08
DE3684754D1 (de)	1992-05-14
KR900007488B1 (ko)	1990-10-10
EP0219222A2 (en)	1987-04-22

Legal Events

Date	Code	Title	Description
1986-09-02	A201	Request for examination
1990-05-31	E902	Notification of reason for refusal
1990-09-08	G160	Decision to publish patent application
1991-01-22	E701	Decision to grant or registration of patent right
1991-03-08	GRNT	Written decision to grant
2005-08-12	FPAY	Annual fee payment	Payment date: 20050816 Year of fee payment: 16
2006-09-03	EXPY	Expiration of term

Publication	Publication Date	Title
DE3685230D1 (de)	1992-06-17	Magnetkopf.
DE3684348D1 (de)	1992-04-23	Magnetkopf.
AT388822B (de)	1989-09-11	Magnetkopf
KR860006086A (ko)	1986-08-18	자기헤드
DE3679415D1 (de)	1991-07-04	Magnetkopf.
ES2019290B3 (es)	1991-06-16	Registrador magnetico
KR870003465A (ko)	1987-04-17	자기 헤드
DE3680010D1 (de)	1991-08-08	Magnetkopf.
DE3681806D1 (de)	1991-11-14	Magnetkopf.
KR860015293U (ko)	1986-12-30	마그네틱 헤드 장치
KR860005334A (ko)	1986-07-21	자기 헤드
KR870002876U (ko)	1987-03-19	자기 헤드 지지 장치
KR860004057U (ko)	1986-04-25	자기 헤드
KR870015328U (ko)	1987-10-24	자기헤드
KR860015294U (ko)	1986-12-30	자기 헤드
KR870004303U (ko)	1987-07-31	자기 헤드
KR870005782U (ko)	1987-04-24	자기 헤드
KR860006087A (ko)	1986-08-18	자기 헤드
KR860013786U (ko)	1986-11-20	자기 헤드
KR870001161U (ko)	1987-02-20	자기 헤드
KR860008547U (ko)	1986-07-28	자기 헤드
KR880001262U (ko)	1988-02-23	자기헤드
KR870009327A (ko)	1987-10-26	자기헤드
KR870013864U (ko)	1987-09-11	자기헤드
KR890009387U (ko)	1989-05-30	자기헤드