DE3684754D1 - Mehrkopfwandlerzusammenbau fuer videobandaufnahmegeraet mit wendelartiger abtastung. - Google Patents

Mehrkopfwandlerzusammenbau fuer videobandaufnahmegeraet mit wendelartiger abtastung.

Info

Publication number
DE3684754D1
DE3684754D1 DE8686306978T DE3684754T DE3684754D1 DE 3684754 D1 DE3684754 D1 DE 3684754D1 DE 8686306978 T DE8686306978 T DE 8686306978T DE 3684754 T DE3684754 T DE 3684754T DE 3684754 D1 DE3684754 D1 DE 3684754D1
Authority
DE
Germany
Prior art keywords
spiral
scale
recording device
video tape
tape recording
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 - Lifetime
Application number
DE8686306978T
Other languages
English (en)
Inventor
Kazuhiro Niwa
Masahiro Kudo
Shigeru Mitsuwasa Ka Michiwaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
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.)
Filing date
Publication date
Priority claimed from JP19864785A external-priority patent/JPS6260105A/ja
Priority claimed from JP19864685A external-priority patent/JPS6260104A/ja
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Application granted granted Critical
Publication of DE3684754D1 publication Critical patent/DE3684754D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE8686306978T 1985-09-10 1986-09-10 Mehrkopfwandlerzusammenbau fuer videobandaufnahmegeraet mit wendelartiger abtastung. Expired - Lifetime DE3684754D1 (de)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
DE3684754D1 true DE3684754D1 (de) 1992-05-14

Family

ID=26511097

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686306978T Expired - Lifetime DE3684754D1 (de) 1985-09-10 1986-09-10 Mehrkopfwandlerzusammenbau fuer videobandaufnahmegeraet mit wendelartiger abtastung.

Country Status (4)

Country Link
US (1) US4758916A (de)
EP (1) EP0219222B1 (de)
KR (1) KR900007488B1 (de)
DE (1) DE3684754D1 (de)

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

Also Published As

Publication number Publication date
EP0219222B1 (de) 1992-04-08
EP0219222A3 (en) 1988-03-30
KR900007488B1 (ko) 1990-10-10
US4758916A (en) 1988-07-19
EP0219222A2 (de) 1987-04-22
KR870003465A (ko) 1987-04-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition