CN1072378C - 磁记录和再生装置 - Google Patents

磁记录和再生装置 Download PDF

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Publication number
CN1072378C
CN1072378C CN95117345A CN95117345A CN1072378C CN 1072378 C CN1072378 C CN 1072378C CN 95117345 A CN95117345 A CN 95117345A CN 95117345 A CN95117345 A CN 95117345A CN 1072378 C CN1072378 C CN 1072378C
Authority
CN
China
Prior art keywords
signal
recording
level
magnetic
tape
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
CN95117345A
Other languages
English (en)
Chinese (zh)
Other versions
CN1139256A (zh
Inventor
笹嶋康孝
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 JP6252931A external-priority patent/JPH0896305A/ja
Priority claimed from JP6257628A external-priority patent/JPH0896306A/ja
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of CN1139256A publication Critical patent/CN1139256A/zh
Application granted granted Critical
Publication of CN1072378C publication Critical patent/CN1072378C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue 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
    • G11B5/008—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
    • G11B5/00847—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks
    • G11B5/0086—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks using cyclically driven heads providing segmented tracks
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10—Indicating arrangements; Warning arrangements

Landscapes

  • Recording Or Reproducing By Magnetic Means (AREA)
  • Digital Magnetic Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
CN95117345A 1994-09-20 1995-09-19 磁记录和再生装置 Expired - Fee Related CN1072378C (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP252931/1994 1994-09-20
JP252931/94 1994-09-20
JP6252931A JPH0896305A (ja) 1994-09-20 1994-09-20 磁気記録再生装置
JP257628/94 1994-09-27
JP257628/1994 1994-09-27
JP6257628A JPH0896306A (ja) 1994-09-27 1994-09-27 磁気記録再生装置

Publications (2)

Publication Number Publication Date
CN1139256A CN1139256A (zh) 1997-01-01
CN1072378C true CN1072378C (zh) 2001-10-03

Family

ID=26540954

Family Applications (1)

Application Number Title Priority Date Filing Date
CN95117345A Expired - Fee Related CN1072378C (zh) 1994-09-20 1995-09-19 磁记录和再生装置

Country Status (4)

Country Link
US (1) US5625503A (cg-RX-API-DMAC7.html)
KR (1) KR100195304B1 (cg-RX-API-DMAC7.html)
CN (1) CN1072378C (cg-RX-API-DMAC7.html)
TW (1) TW295653B (cg-RX-API-DMAC7.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3572761B2 (ja) * 1995-10-31 2004-10-06 ミツミ電機株式会社 回転磁気ヘッドの検査方法
US6108484A (en) * 1996-05-31 2000-08-22 Lg Electronics Inc. Self-diagnosing apparatus and method for video recording and reproducing apparatus
KR100233539B1 (ko) * 1997-04-14 1999-12-01 윤종용 기록특성 보정기능을 갖는 자기기록재생장치
DE69939626D1 (de) * 1998-11-27 2008-11-06 Matsushita Electric Industrial Co Ltd Verfahren und Vorrichtung zur Detektierung der Verschmutzung eines Aufzeichnungskopfes
KR100768844B1 (ko) * 2001-05-23 2007-10-22 엘지전자 주식회사 디지털 영상 기록/재생 장치
US8406301B2 (en) 2002-07-15 2013-03-26 Thomson Licensing Adaptive weighting of reference pictures in video encoding
US7903742B2 (en) 2002-07-15 2011-03-08 Thomson Licensing Adaptive weighting of reference pictures in video decoding

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5196967A (en) * 1987-11-19 1993-03-23 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig Holland Shiftung & Co. Method of automatically optimizing the recording bias for a video signal, and arrangement for carrying out the method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61287009A (ja) * 1985-06-13 1986-12-17 Canon Inc 回転ヘツド型記録装置
JPH02134705A (ja) * 1988-11-15 1990-05-23 Victor Co Of Japan Ltd 磁気記録再生装置
JPH03245302A (ja) * 1990-02-22 1991-10-31 Victor Co Of Japan Ltd 磁気記録再生装置
JP2650548B2 (ja) * 1992-01-17 1997-09-03 日本ビクター株式会社 記録信号レベルのオートキャリブレーション装置
JP3021951B2 (ja) * 1992-05-11 2000-03-15 三菱電機株式会社 磁気記録再生装置
JPH0676212A (ja) * 1992-08-27 1994-03-18 Matsushita Electric Ind Co Ltd 画像記録再生装置
JP3334201B2 (ja) * 1992-12-28 2002-10-15 ソニー株式会社 記録電流設定方法及び記録電流設定装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5196967A (en) * 1987-11-19 1993-03-23 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig Holland Shiftung & Co. Method of automatically optimizing the recording bias for a video signal, and arrangement for carrying out the method

Also Published As

Publication number Publication date
TW295653B (cg-RX-API-DMAC7.html) 1997-01-11
KR100195304B1 (ko) 1999-06-15
KR960011907A (ko) 1996-04-20
CN1139256A (zh) 1997-01-01
US5625503A (en) 1997-04-29

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Granted publication date: 20011003

Termination date: 20091019