KR890017690A - 신호 기록장치 - Google Patents

신호 기록장치 Download PDF

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Publication number
KR890017690A
KR890017690A KR1019890007218A KR890007218A KR890017690A KR 890017690 A KR890017690 A KR 890017690A KR 1019890007218 A KR1019890007218 A KR 1019890007218A KR 890007218 A KR890007218 A KR 890007218A KR 890017690 A KR890017690 A KR 890017690A
Authority
KR
South Korea
Prior art keywords
recording
magnetic head
signal
erased
erasing
Prior art date
Application number
KR1019890007218A
Other languages
English (en)
Other versions
KR0161677B1 (ko
Inventor
다께오 에구찌
Original Assignee
오오가 노리오
소니 가부시끼 가이샤
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
Application filed by 오오가 노리오, 소니 가부시끼 가이샤 filed Critical 오오가 노리오
Publication of KR890017690A publication Critical patent/KR890017690A/ko
Application granted granted Critical
Publication of KR0161677B1 publication Critical patent/KR0161677B1/ko

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • G11B15/125—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams conditioned by the operating function of the apparatus
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
    • G11B20/1419—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/036—Insert-editing
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/024—Erasing
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/032—Electronic editing of digitised analogue information signals, e.g. audio or video signals on tapes

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Digital Magnetic Recording (AREA)

Abstract

내용 없음

Description

신호 기록장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 관계되는 신호 기록 장치의 실시예를 도시하는 회로도면.
제2도는 상기 실시예가 쓰이는 소거. 기록계의 구성을 도시하는 블록도면.
제3A 내지 제3G는 상기 실시예의 동작을 설명하기 위한 파형도면.

Claims (1)

  1. 회전하는 자기 헤드에 의해서 기록매체에 펄스 트레인 기록으로 신호를 기록하는 신호 기록 장치에 있어서, 상기 기록 헤드의 갭에 선행하는 소정 거리에 상기 자기 헤드에 의해서 형성되는 기록 트랙을 소거하기 위한 소거용 자기 헤드의 갭을 배설해서 이 소거영 자기 헤드를 상기 자기 헤드와 일체로 설치함과 더불어, 상기 자기 헤드가 기록 동작을 하고 있을 때, 펄스 트레인 기록의 기준 레벨 기간에 상기 소거용 자기 헤드에 의해서 소거 동작을 행하는 소거 제어 수단을 설치한 것을 특징으로 하는 신호 기록 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890007218A 1988-05-31 1989-05-30 신호 기록장치 KR0161677B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63133922A JP2606284B2 (ja) 1988-05-31 1988-05-31 信号記録装置
JP133922 1988-05-31

Publications (2)

Publication Number Publication Date
KR890017690A true KR890017690A (ko) 1989-12-16
KR0161677B1 KR0161677B1 (ko) 1998-12-15

Family

ID=15116224

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890007218A KR0161677B1 (ko) 1988-05-31 1989-05-30 신호 기록장치

Country Status (6)

Country Link
US (1) US5070416A (ko)
EP (1) EP0345037B1 (ko)
JP (1) JP2606284B2 (ko)
KR (1) KR0161677B1 (ko)
CA (1) CA1322403C (ko)
DE (1) DE68919129T2 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2841852B2 (ja) * 1990-11-27 1998-12-24 ソニー株式会社 記録増幅回路
US5243472A (en) * 1991-08-29 1993-09-07 Minnesota Mining And Manufacturing Company Series resonant AC erase head drive circuit
JP3443982B2 (ja) * 1994-10-20 2003-09-08 松下電器産業株式会社 磁気記録再生装置
US5953482A (en) * 1995-10-18 1999-09-14 Matsushita Electric Industrial Co., Ltd. Magnetic recording/reproducing apparatus with the recording/reproducing heads preceding the erasing heads
JP4453237B2 (ja) * 1999-12-14 2010-04-21 ソニー株式会社 デジタルデータ記録装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017903A (en) * 1975-08-27 1977-04-12 Hewlett-Packard Company Pulse code modulation recording and/or reproducing system
JPS5936312A (ja) * 1982-08-20 1984-02-28 Sony Corp デジタル信号の記録装置
JPS6076005A (ja) * 1983-10-03 1985-04-30 Matsushita Electric Ind Co Ltd 磁気テ−プ消去装置
EP0185764B1 (en) * 1984-03-13 1992-06-03 Olympus Optical Co., Ltd. Magnetic recording/reproducing apparatus
JPS61220159A (ja) * 1985-03-27 1986-09-30 Canon Inc 記録再生装置
JPH0770013B2 (ja) * 1985-07-17 1995-07-31 株式会社日立製作所 フレキシブルディスク装置の情報記録方法

Also Published As

Publication number Publication date
DE68919129T2 (de) 1995-03-30
JP2606284B2 (ja) 1997-04-30
EP0345037B1 (en) 1994-11-02
EP0345037A2 (en) 1989-12-06
KR0161677B1 (ko) 1998-12-15
CA1322403C (en) 1993-09-21
DE68919129D1 (de) 1994-12-08
US5070416A (en) 1991-12-03
JPH01303607A (ja) 1989-12-07
EP0345037A3 (en) 1992-01-08

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