DE3566600D1 - Tracking control system for a video tape recorder - Google Patents

Tracking control system for a video tape recorder

Info

Publication number
DE3566600D1
DE3566600D1 DE8585109342T DE3566600T DE3566600D1 DE 3566600 D1 DE3566600 D1 DE 3566600D1 DE 8585109342 T DE8585109342 T DE 8585109342T DE 3566600 T DE3566600 T DE 3566600T DE 3566600 D1 DE3566600 D1 DE 3566600D1
Authority
DE
Germany
Prior art keywords
control system
video tape
tracking control
tape recorder
recorder
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
DE8585109342T
Other languages
English (en)
Inventor
Tsunehiko Tejima
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.)
Hitachi Ltd
Original Assignee
Hitachi 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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3566600D1 publication Critical patent/DE3566600D1/de
Expired legal-status Critical Current

Links

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
    • G11B5/48—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
    • G11B5/56—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 provision for moving the head support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering
    • 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
    • G11B15/4673—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 tape while the head is rotating
    • G11B15/4675—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 tape while the head is rotating with provision for information tracking
    • G11B15/4676—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 tape while the head is rotating with provision for information tracking using signals recorded in tracks disposed in parallel with the scanning direction
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • G11B21/103—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following on 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
    • G11B5/48—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
    • G11B5/54—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 provision for moving the head into or out of its operative position or across 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
    • G11B5/48—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
    • G11B5/54—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 provision for moving the head into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • 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
    • G11B5/58—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 provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
DE8585109342T 1984-07-27 1985-07-25 Tracking control system for a video tape recorder Expired DE3566600D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59155297A JPH0614723B2 (ja) 1984-07-27 1984-07-27 Ｖｔｒのトラツキング制御方式

Publications (1)

Publication Number Publication Date
DE3566600D1 true DE3566600D1 (en) 1989-01-05

Family

ID=15602813

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585109342T Expired DE3566600D1 (en) 1984-07-27 1985-07-25 Tracking control system for a video tape recorder

Country Status (5)

Country Link
US (1) US4638379A (de)
EP (1) EP0172441B1 (de)
JP (1) JPH0614723B2 (de)
KR (1) KR900007478B1 (de)
DE (1) DE3566600D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0654568B2 (ja) * 1984-10-31 1994-07-20 株式会社日立製作所 磁気記録再生装置の自動トラツキング制御装置
US5087995A (en) * 1984-12-06 1992-02-11 Canon Kabushiki Kaisha Information signal reproducing apparatus for effecting tracking control by using three or more rotary heads
US4760475A (en) * 1986-11-13 1988-07-26 Ampex Corporation Home track position acquisition system and method
JPH02103776A (ja) * 1988-10-11 1990-04-16 Canon Inc 信号処理装置
JP2541845B2 (ja) * 1988-11-04 1996-10-09 日本ビクター株式会社 磁気再生装置のトラッキング方法
KR940010038A (ko) * 1992-10-28 1994-05-24 사또오 후미오 자기 기록 재생 장치
US6728899B1 (en) 1999-06-30 2004-04-27 Seagate Technology Llc On the fly defect slipping
JP4191138B2 (ja) 2003-12-29 2008-12-03 三星電機株式会社 セラミック粉末の解砕方法、これに使用される解砕ミル及び解砕されたセラミック粉末を利用した高分散スラリーの製造方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6030008B2 (ja) * 1976-08-20 1985-07-13 ソニー株式会社 再生装置
JPS5396805A (en) * 1977-02-03 1978-08-24 Sony Corp Recording-reproducing method of signals
JPS55159681A (en) * 1979-05-31 1980-12-11 Sony Corp Tracking unit for magnetic head
JPS5674821A (en) * 1979-11-20 1981-06-20 Toshiba Corp Tracking control unit for magnetic tape device
JPS5778623A (en) * 1980-11-04 1982-05-17 Victor Co Of Japan Ltd Track shift detection system of magnetic reproducing device
JPS581829A (ja) * 1981-05-06 1983-01-07 Sony Corp ビデオテ−プレコ−ダ
JPS58121882A (ja) * 1982-01-16 1983-07-20 Sony Corp 映像及び音声信号再生装置
JPS5934773A (ja) * 1982-08-20 1984-02-25 Matsushita Electric Ind Co Ltd ビデオテ−プレコ−ダ
JPS58172078A (ja) * 1982-04-02 1983-10-08 Sony Corp 再生装置
JPS58218032A (ja) * 1982-06-14 1983-12-19 Canon Inc 回転ヘツド型記録再生装置
US4558378A (en) * 1982-08-27 1985-12-10 Hitachi, Ltd. Method and apparatus for a magnetic recording/reproducing
JPS5998307A (ja) * 1982-11-29 1984-06-06 Hitachi Ltd 記録および／または再生装置
JPS59103478A (ja) * 1982-12-03 1984-06-14 Sony Corp 磁気テープ記録再生装置
US4587580A (en) * 1983-01-11 1986-05-06 Canon Kabushiki Kaisha Video signal reproducing apparatus
JPS59138178A (ja) * 1983-01-27 1984-08-08 Sony Corp 磁気記録再生装置
JPS59189788A (ja) * 1983-04-12 1984-10-27 Victor Co Of Japan Ltd 磁気記録再生装置

Also Published As

Publication number Publication date
US4638379A (en) 1987-01-20
JPS6135080A (ja) 1986-02-19
EP0172441A1 (de) 1986-02-26
KR860001409A (ko) 1986-02-26
JPH0614723B2 (ja) 1994-02-23
KR900007478B1 (ko) 1990-10-10
EP0172441B1 (de) 1988-11-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition