DE69117990D1 - Magnetisches Aufzeichnungs-/Wiedergabegerät - Google Patents

Magnetisches Aufzeichnungs-/Wiedergabegerät

Info

Publication number
DE69117990D1
DE69117990D1 DE69117990T DE69117990T DE69117990D1 DE 69117990 D1 DE69117990 D1 DE 69117990D1 DE 69117990 T DE69117990 T DE 69117990T DE 69117990 T DE69117990 T DE 69117990T DE 69117990 D1 DE69117990 D1 DE 69117990D1
Authority
DE
Germany
Prior art keywords
magnetic recording
playback device
playback
recording
magnetic
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
DE69117990T
Other languages
English (en)
Other versions
DE69117990T2 (de
Inventor
Satoru Sagawa
Takayoshi Yamaguchi
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Publication of DE69117990D1 publication Critical patent/DE69117990D1/de
Application granted granted Critical
Publication of DE69117990T2 publication Critical patent/DE69117990T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G11B15/14—Masking or switching periodically, e.g. of rotating heads
    • 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
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H04N5/94—Signal drop-out compensation
    • H04N5/945—Signal drop-out compensation for signals recorded by pulse code modulation
    • 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
    • H04N9/87—Regeneration of colour television signals
    • H04N9/88—Signal drop-out compensation
    • H04N9/888—Signal drop-out compensation for signals recorded by pulse code modulation
    • 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
    • H04N9/87—Regeneration of colour television signals
    • H04N9/89—Time-base error compensation
    • H04N9/896—Time-base error compensation using a digital memory with independent write-in and read-out clock generators
DE69117990T 1990-01-17 1991-01-02 Magnetisches Aufzeichnungs-/Wiedergabegerät Expired - Fee Related DE69117990T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009068A JPH03212081A (ja) 1990-01-17 1990-01-17 磁気記録再生装置

Publications (2)

Publication Number Publication Date
DE69117990D1 true DE69117990D1 (de) 1996-04-25
DE69117990T2 DE69117990T2 (de) 1997-01-16

Family

ID=11710296

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69117990T Expired - Fee Related DE69117990T2 (de) 1990-01-17 1991-01-02 Magnetisches Aufzeichnungs-/Wiedergabegerät

Country Status (4)

Country Link
US (1) US5245482A (de)
EP (1) EP0439246B1 (de)
JP (1) JPH03212081A (de)
DE (1) DE69117990T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5353176A (en) * 1991-12-09 1994-10-04 Hitachi, Ltd. Method of reproducing magnetic recording data and a magnetic storage system using switching between plural heads provided to a track
US5347318A (en) * 1992-06-16 1994-09-13 Canon Kabushiki Kaisha Apparatus for processing video signals having different aspect ratios
US5343337A (en) * 1992-09-17 1994-08-30 Digital Equipment Corporation Control circuitry for magnetoresistive (MR) tape heads using group select switches and head select multiplexer
KR0121692Y1 (ko) * 1992-10-31 1998-08-01 윤종용 비데오의 헤드 스위칭 회로
JPH0795538A (ja) * 1993-09-17 1995-04-07 Canon Inc 画像記録再生装置
KR100207621B1 (ko) * 1993-11-30 1999-07-15 윤종용 비디오 테이프 레코더의 스큐보상장치

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52109815U (de) * 1976-02-18 1977-08-20
JPS5434819A (en) * 1977-08-24 1979-03-14 Ricoh Co Ltd Electronic shutter driving device by use of logarithm extension circuit
JPS5421340A (en) * 1977-07-18 1979-02-17 Ricoh Co Ltd Electronic shutter drive device for camera which uses logarithm extension circuit
JPS54143017A (en) * 1978-04-28 1979-11-07 Sony Corp Time base error correction unit
JPS582625B2 (ja) * 1978-08-31 1983-01-18 ティーディーケイ株式会社 ドロップアウト位置マ−キング装置
DE3138310C2 (de) * 1980-09-26 1983-12-22 Hitachi, Ltd., Tokyo Schaltungsanordnung zur Steuerung der Horizontal-Synchronsignale für ein PCM-Signal-Wiedergabegerät
US4489354A (en) * 1980-11-24 1984-12-18 Eastman Kodak Company Information recording system with recording process monitoring function
JPS598482A (ja) * 1982-07-05 1984-01-17 Matsushita Electric Ind Co Ltd 映像信号の記録再生装置
JPS60217773A (ja) * 1984-04-13 1985-10-31 Hitachi Ltd スキュ−歪除去装置
JPS62108683A (ja) * 1985-11-06 1987-05-19 Fuji Photo Film Co Ltd 映像信号切換方式
US4752839A (en) * 1986-01-06 1988-06-21 Eastman Kodak Company Head switching in high resolution video reproduction apparatus
JP2617297B2 (ja) * 1986-04-28 1997-06-04 三菱電機株式会社 磁気映像再生装置
DE3629481A1 (de) * 1986-08-29 1988-03-03 Thomson Brandt Gmbh Videorecorder
JPH0832018B2 (ja) * 1989-04-28 1996-03-27 日本ビクター株式会社 ヘリカルスキャン型磁気再生装置
DE69004850T2 (de) * 1989-04-28 1994-05-05 Victor Company Of Japan Wiedergabegerät mit schraubenförmiger Abtastung für Bilddaten, aufgezeichnet auf Magnetband.

Also Published As

Publication number Publication date
EP0439246A3 (en) 1991-12-04
EP0439246A2 (de) 1991-07-31
JPH03212081A (ja) 1991-09-17
US5245482A (en) 1993-09-14
EP0439246B1 (de) 1996-03-20
DE69117990T2 (de) 1997-01-16

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee