KR900001524B1 - 변속재생시에 있어서의 회전헤드의 재생신호 절환회로 - Google Patents

변속재생시에 있어서의 회전헤드의 재생신호 절환회로 Download PDF

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Publication number
KR900001524B1
KR900001524B1 KR1019840005681A KR840005681A KR900001524B1 KR 900001524 B1 KR900001524 B1 KR 900001524B1 KR 1019840005681 A KR1019840005681 A KR 1019840005681A KR 840005681 A KR840005681 A KR 840005681A KR 900001524 B1 KR900001524 B1 KR 900001524B1
Authority
KR
South Korea
Prior art keywords
signal
reproduction
circuit
head
switching
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
Application number
KR1019840005681A
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English (en)
Korean (ko)
Other versions
KR850002538A (ko
Inventor
유끼오 오가와
고우지 마쯔무라
Original Assignee
니뽕 빅터 가부시끼 가이샤
이노우에 도시야
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 니뽕 빅터 가부시끼 가이샤, 이노우에 도시야 filed Critical 니뽕 빅터 가부시끼 가이샤
Publication of KR850002538A publication Critical patent/KR850002538A/ko
Application granted granted Critical
Publication of KR900001524B1 publication Critical patent/KR900001524B1/ko
Expired 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
    • 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
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
    • G11B15/473—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads
    • 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

Landscapes

  • Television Signal Processing For Recording (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
KR1019840005681A 1983-09-26 1984-09-18 변속재생시에 있어서의 회전헤드의 재생신호 절환회로 Expired KR900001524B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58177529A JPS6069975A (ja) 1983-09-26 1983-09-26 変速再生時における回転ヘツドの再生信号切換回路
JP177529 1983-09-26

Publications (2)

Publication Number Publication Date
KR850002538A KR850002538A (ko) 1985-05-13
KR900001524B1 true KR900001524B1 (ko) 1990-03-12

Family

ID=16032515

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840005681A Expired KR900001524B1 (ko) 1983-09-26 1984-09-18 변속재생시에 있어서의 회전헤드의 재생신호 절환회로

Country Status (6)

Country Link
US (1) US4630136A (enExample)
EP (1) EP0138457B1 (enExample)
JP (1) JPS6069975A (enExample)
KR (1) KR900001524B1 (enExample)
CA (1) CA1250047A (enExample)
DE (2) DE3479376D1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6139254A (ja) * 1984-07-30 1986-02-25 Hitachi Ltd 磁気記録再生装置
JPS61189427U (enExample) * 1985-05-20 1986-11-26
JPS61273740A (ja) * 1985-05-28 1986-12-04 Matsushita Electric Ind Co Ltd ダビング用磁気再生装置
US4796103A (en) * 1985-06-03 1989-01-03 Victor Company Of Japan Ltd. Control pulse recording circuit for dual tape speed recording and reproducing apparatuses using two pairs of heads selectively for selected speed including recording delayed control pulses
JPS61284820A (ja) * 1985-06-11 1986-12-15 Alps Electric Co Ltd ヘツド位置制御方法
JP2557842B2 (ja) * 1986-03-31 1996-11-27 株式会社東芝 回転ヘツドの回転位相発生装置
JPS6469173A (en) * 1987-09-10 1989-03-15 Mitsubishi Electric Corp Video signal recording and reproducing device
JPS6469172A (en) * 1987-09-10 1989-03-15 Mitsubishi Electric Corp Video signal recording and reproducing device
KR910010182B1 (ko) * 1988-12-31 1991-12-20 삼성전자 주식회사 다기능 제어 비디오헤드 선택방법 및 장치
JPH04109419A (ja) * 1990-08-29 1992-04-10 Unitec Denshi Kk ダブルアジマス４ヘッド型ビデオテープレコーダの変速再生補償装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52109815U (enExample) * 1976-02-18 1977-08-20
JPS53115131A (en) * 1977-03-17 1978-10-07 Matsushita Electric Ind Co Ltd Magnetic picture recording/reproducing system
JPS585444B2 (ja) * 1978-02-10 1983-01-31 三菱電機株式会社 磁気記録再生装置
US4426666A (en) * 1980-10-03 1984-01-17 Matsushita Electric Industrial Co., Ltd. Video signal recording/reproducing apparatus
JPS5797282A (en) * 1980-12-09 1982-06-16 Matsushita Electric Ind Co Ltd Magnetic recording and reproducing device
JPS57162892A (en) * 1981-03-31 1982-10-06 Matsushita Electric Ind Co Ltd Magnetic recorder and reproducer
US4490755A (en) * 1981-07-09 1984-12-25 Victor Company Of Japan, Ltd. Recording and reproducing video signals at selectable different tape traveling speeds from plural video head pairs
JPS5843077U (ja) * 1981-09-17 1983-03-23 日本ビクター株式会社 ヘツド切換回路
JPS5936487A (ja) * 1982-08-24 1984-02-28 Matsushita Electric Ind Co Ltd 磁気再生装置

Also Published As

Publication number Publication date
US4630136A (en) 1986-12-16
EP0138457A2 (en) 1985-04-24
JPS6069975A (ja) 1985-04-20
CA1250047A (en) 1989-02-14
KR850002538A (ko) 1985-05-13
EP0138457B1 (en) 1989-08-09
DE138457T1 (de) 1985-09-12
EP0138457A3 (en) 1986-02-12
DE3479376D1 (en) 1989-09-14
JPH0155798B2 (enExample) 1989-11-27

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