DE69121830T2 - Magnetisches Aufzeichnungsgerät mit Vorrichtung zur Bestimmung des Aufsprechstroms - Google Patents

Magnetisches Aufzeichnungsgerät mit Vorrichtung zur Bestimmung des Aufsprechstroms

Info

Publication number
DE69121830T2
DE69121830T2 DE69121830T DE69121830T DE69121830T2 DE 69121830 T2 DE69121830 T2 DE 69121830T2 DE 69121830 T DE69121830 T DE 69121830T DE 69121830 T DE69121830 T DE 69121830T DE 69121830 T2 DE69121830 T2 DE 69121830T2
Authority
DE
Germany
Prior art keywords
determining
recording
magnetic recording
current
recording current
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 - Fee Related
Application number
DE69121830T
Other languages
English (en)
Other versions
DE69121830D1 (de
Inventor
Tetsuo Nishigaki
Takashi Kakuta
Hiroshige Okamoto
Hirokazu Nagasawa
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of DE69121830D1 publication Critical patent/DE69121830D1/de
Application granted granted Critical
Publication of DE69121830T2 publication Critical patent/DE69121830T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/83—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal
    • 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
    • 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
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
    • 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
    • G11B5/027—Analogue recording
    • G11B5/035—Equalising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/7921—Processing of colour television signals in connection with recording for more than one processing mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/802—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving processing of the sound signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Television Signal Processing For Recording (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
DE69121830T 1990-10-19 1991-10-18 Magnetisches Aufzeichnungsgerät mit Vorrichtung zur Bestimmung des Aufsprechstroms Expired - Fee Related DE69121830T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2280783A JPH04155602A (ja) 1990-10-19 1990-10-19 磁気記録装置

Publications (2)

Publication Number Publication Date
DE69121830D1 DE69121830D1 (de) 1996-10-10
DE69121830T2 true DE69121830T2 (de) 1997-01-30

Family

ID=17629896

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69121830T Expired - Fee Related DE69121830T2 (de) 1990-10-19 1991-10-18 Magnetisches Aufzeichnungsgerät mit Vorrichtung zur Bestimmung des Aufsprechstroms

Country Status (5)

Country Link
US (1) US5206738A (de)
EP (1) EP0481824B1 (de)
JP (1) JPH04155602A (de)
KR (1) KR100240793B1 (de)
DE (1) DE69121830T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5677801A (en) * 1991-09-30 1997-10-14 Kabushiki Kaisha Toshiba Magnetic recording/reproducing apparatus for automatically adjusting a recording current in accordance with the wear of a read head
EP0579198B1 (de) * 1992-07-17 1998-12-23 Mitsubishi Denki Kabushiki Kaisha Kontrollanordnung für magnetische Aufzeichnung
DE4226688B4 (de) * 1992-08-12 2004-07-08 Deutsche Thomson-Brandt Gmbh Schaltung zur Steuerung der Aufnahmeströme der Videoköpfe eines Videorecorders
US5579119A (en) * 1992-10-19 1996-11-26 Mitsubishi Denki Kabushiki Kaisha Recording signal control apparatus capable of optimizing recording conditions for magnetic recording medium
JP2973779B2 (ja) * 1993-06-02 1999-11-08 日本電気株式会社 磁気記録再生装置
JP3190194B2 (ja) * 1993-08-19 2001-07-23 三菱電機株式会社 磁気記録方法および装置
US5787223A (en) * 1996-09-17 1998-07-28 Lucent Technologies Inc. Storage of digital data as analog signals
KR100233542B1 (ko) 1997-05-31 2000-01-15 윤종용 영상신호의 기록특성 보정기능을 갖는 자기기록재생장치 및 방법
CN1131519C (zh) * 1997-09-25 2003-12-17 日本胜利株式会社 信息记录装置及其控制方法、和相应的外部电子装置
US6847778B1 (en) * 1999-03-30 2005-01-25 Tivo, Inc. Multimedia visual progress indication system
US7139141B1 (en) * 2003-05-12 2006-11-21 Storage Technology Corporation System and method for read/write optimization
KR20240039429A (ko) 2022-09-19 2024-03-26 주식회사 이앤에프앤씨 패류용 세척장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2510969B2 (ja) * 1984-05-10 1996-06-26 株式会社東芝 垂直磁気記録方法及びその装置
CA1231441A (en) * 1984-07-10 1988-01-12 Kazuyoshi Kuwahara Recording circuit having means to automatically set the recording current of a magnetic recording head
DE3530142A1 (de) * 1985-08-23 1987-02-26 Bosch Gmbh Robert Verfahren zum optimieren eines magnetbandgeraetes zur speicherung digital codierter farbvideosignale
DE3739180A1 (de) * 1987-11-19 1989-06-01 Grundig Emv Verfahren zur automatischen optimierung des aufsprechstroms fuer die aufzeichnung eines videosignals und anordnung zur durchfuehrung des verfahrens
JPH01217702A (ja) * 1988-02-24 1989-08-31 Toshiba Corp ビデオテープレコーダ
US5101309A (en) * 1988-08-23 1992-03-31 Mitsubishi Denki Kabushiki Kaisha Apparatus for automatically optimizing magnetic recording and playback
JPH0719323B2 (ja) * 1989-03-22 1995-03-06 三菱電機株式会社 磁気テープ記録再生装置

Also Published As

Publication number Publication date
KR100240793B1 (ko) 2000-02-01
US5206738A (en) 1993-04-27
DE69121830D1 (de) 1996-10-10
JPH04155602A (ja) 1992-05-28
EP0481824A2 (de) 1992-04-22
KR920008712A (ko) 1992-05-28
EP0481824A3 (en) 1992-07-15
EP0481824B1 (de) 1996-09-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee