JPH0328539U - - Google Patents

Info

Publication number
JPH0328539U
JPH0328539U JP1990053107U JP5310790U JPH0328539U JP H0328539 U JPH0328539 U JP H0328539U JP 1990053107 U JP1990053107 U JP 1990053107U JP 5310790 U JP5310790 U JP 5310790U JP H0328539 U JPH0328539 U JP H0328539U
Authority
JP
Japan
Prior art keywords
video recording
automatic tracking
signal outputted
tracking device
reproducing machine
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.)
Granted
Application number
JP1990053107U
Other languages
English (en)
Other versions
JPH0614308Y2 (ja
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 filed Critical
Publication of JPH0328539U publication Critical patent/JPH0328539U/ja
Application granted granted Critical
Publication of JPH0614308Y2 publication Critical patent/JPH0614308Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B5/58—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
    • G11B5/584—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 for track following on tapes
    • 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
    • G11B15/1808—Driving of both record carrier and head
    • G11B15/1875—Driving of both record carrier and head adaptations for special effects or editing
    • 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
    • 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
    • G11B5/584—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 for track following on tapes
    • G11B5/588—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 for track following on tapes by controlling the position of the rotating heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)

Description

【図面の簡単な説明】
第１図は従来の技術による自動トラキツング装
置のブロツクタイヤグラム、第２図は本考案によ
る自動トラツキング装置のブロツクダイヤグラム
、第３図は第２図に示された自動トラツキング装
置の一つの望ましい実施例の模式図、第４図は第
３図に図示された自動トラツキング装置の作動を
説明するための入出力波形図である。 １００…
…プリアンプ、２００……エンベロープデイテク
ター、２１０……第１増幅手段、２２０……高域
増強手段、２３０……波形整形手段、３００……
比較手段、４００……マイコン、４５０……第２
増幅手段。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ 映像記録再生機のトラツキング調整において
    、再生用ヘツドからピツクアツプされたＦＭ信号
    中よりエンベロープ波形を検出するエンベロープ
    検出手段と；上記エンベロープ検出手段から検出
    されたエンベロープ波形を整形してＤＣ化する波
    形整形手段と；ヘツドスイツチングパルスの１周
    期をｎ個にサンプリングしたパルスを入力として
    増幅して傾斜度を決定する第２増幅手段と；上記
    波形整形手段から一定化した傾斜度を持つて出力
    される信号と上記第２増幅手段から出力される信
    号を比較してデユーテイサイクルの異なるパルス
    を出力する比較手段と；上記比較手段から出力さ
    れる信号にしたがつてサーボ幅を制御すると共に
    ヘツドスイツチングパルスを一定の間隔でサンプ
    リングして第２増幅手段に供給するマイコンとを
    包含して構成したことを特徴とする映像記録再生
    機の自動トラツキング装置。 ２ 上記第２増幅手段は、ヘツドスイツチングパ
    ルスＨｓｐを一定の周期でサンプリングしたパル
    スを入力として増幅するトランジスターＱ１と、
    上記トランジスターＱ１から増幅されたサンプリ
    ングパルスの傾斜度を決定するコンデンサーＣ１
    とより構成されることを特徴とする請求項第１項
    に記載の映像記録再生機の自動トラキツング装置
    。 ３ 上記自動トラツキング回路と可変抵抗ＶＲに
    依つて自動で調節できる手動トラツキング回路を
    選択するスイツチをあわせ具備して成ることを特
    徴とする請求項第１項に記載の映像記録再生機の
    自動トラツキング装置。 ４ 上記エンベロープ検出手段はプリアンプ１０
    ０より出力されたＦＭビデオ信号を入力として増
    幅する増幅回路と、上記増幅回路において増幅さ
    れたＦＭビデオ信号中一定帯域の周波数を増強さ
    せる高域増強回路とより構成されることを特徴と
    する請求項１乃至３のうちいずれか一項記載の映
    像記録再生機の自動トラツキング装置。
JP1990053107U 1989-05-20 1990-05-18 映像記録再生機の自動トラッキング装置 Expired - Lifetime JPH0614308Y2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1989-6722 1989-05-20
KR2019890006722U KR920007314Y1 (ko) 1989-05-20 1989-05-20 Vtr의 자동 트랙킹 조정회로

Publications (2)

Publication Number Publication Date
JPH0328539U true JPH0328539U (ja) 1991-03-22
JPH0614308Y2 JPH0614308Y2 (ja) 1994-04-13

Family

ID=19286322

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990053107U Expired - Lifetime JPH0614308Y2 (ja) 1989-05-20 1990-05-18 映像記録再生機の自動トラッキング装置

Country Status (4)

Country Link
US (1) US5218489A (ja)
JP (1) JPH0614308Y2 (ja)
KR (1) KR920007314Y1 (ja)
GB (1) GB2232810B (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010184001A (ja) * 2009-02-12 2010-08-26 Million Planning:Kk 飛翔体飛ばし装置及び飛翔体
JP4817401B1 (ja) * 2010-10-08 2011-11-16 株式会社バンダイ 玩具

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5933567A (en) * 1993-01-13 1999-08-03 Hitachi America, Ltd. Method and apparatus for controlling the position of the heads of a digital video tape recorder during trick play operation and for recording digital data on a tape
DE19517509C2 (de) * 1994-05-13 1997-05-15 Hitachi Ltd Schrägspur-Wiedergabegerät mit Spureinstellsteuerung zur schnellen Wiedergabe digitaler Informationssignale von Magnetbändern
KR0162215B1 (ko) * 1995-01-17 1998-12-15 김광호 비정상 속력 재생시의 자동 트래킹 장치 및 그 방법
US6600344B1 (en) * 2000-06-26 2003-07-29 Motorola, Inc. Predistortion circuit for RF detector
KR100708101B1 (ko) * 2000-09-05 2007-04-16 삼성전자주식회사 비디오신호 처리 ｉｃ의 엔벨로프 검출 회로 배치 설계 방법 및 이를 이용한 ｉｃ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR940007626B1 (ko) * 1988-12-31 1994-08-22 삼성전자 주식회사 디지탈 오디오 테이프 레코더의 atf 제어장치

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010184001A (ja) * 2009-02-12 2010-08-26 Million Planning:Kk 飛翔体飛ばし装置及び飛翔体
JP4817401B1 (ja) * 2010-10-08 2011-11-16 株式会社バンダイ 玩具
CN102363082A (zh) * 2010-10-08 2012-02-29 万代股份有限公司 玩具

Also Published As

Publication number Publication date
GB2232810A (en) 1990-12-19
KR900020943U (ko) 1990-12-14
KR920007314Y1 (ko) 1992-10-12
JPH0614308Y2 (ja) 1994-04-13
GB9011234D0 (en) 1990-07-04
US5218489A (en) 1993-06-08
GB2232810B (en) 1993-12-15

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term