BE875021A - Circuit d'acces automatique a la position convenable d'exploration du dispositif translucteur d'un appareil d'enregistrement et/ou reproduction video - Google Patents

Circuit d'acces automatique a la position convenable d'exploration du dispositif translucteur d'un appareil d'enregistrement et/ou reproduction video

Info

Publication number
BE875021A
BE875021A BE0/194154A BE194154A BE875021A BE 875021 A BE875021 A BE 875021A BE 0/194154 A BE0/194154 A BE 0/194154A BE 194154 A BE194154 A BE 194154A BE 875021 A BE875021 A BE 875021A
Authority
BE
Belgium
Prior art keywords
translucer
video recording
access circuit
automatic access
exploration position
Prior art date
Application number
BE0/194154A
Other languages
English (en)
French (fr)
Inventor
R Ravizza
Original Assignee
Ampex
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 Ampex filed Critical Ampex
Publication of BE875021A publication Critical patent/BE875021A/xx

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/58Disposition 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
    • G11B5/584Disposition 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
    • G11B5/588Disposition 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
BE0/194154A 1978-03-23 1979-03-22 Circuit d'acces automatique a la position convenable d'exploration du dispositif translucteur d'un appareil d'enregistrement et/ou reproduction video BE875021A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/889,995 US4319289A (en) 1978-03-23 1978-03-23 Movable head automatic position acquisition circuit and method

Publications (1)

Publication Number Publication Date
BE875021A true BE875021A (fr) 1979-07-16

Family

ID=25396086

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/194154A BE875021A (fr) 1978-03-23 1979-03-22 Circuit d'acces automatique a la position convenable d'exploration du dispositif translucteur d'un appareil d'enregistrement et/ou reproduction video

Country Status (11)

Country Link
US (1) US4319289A (it)
JP (1) JPS54164112A (it)
AT (1) AT381199B (it)
BE (1) BE875021A (it)
CA (1) CA1138101A (it)
DE (2) DE2954330C2 (it)
FR (1) FR2420808B1 (it)
GB (1) GB2020851B (it)
HK (1) HK787A (it)
IT (1) IT1115053B (it)
NL (1) NL7902275A (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4481544A (en) * 1981-09-18 1984-11-06 Ampex Corporation Automatic tracking system with apparatus to prevent mistracking by a limited range transducer during stop motion
JPS60158781A (ja) * 1984-01-27 1985-08-20 Sony Corp ビデオテ−プレコ−ダ−
US5119246A (en) * 1989-03-24 1992-06-02 Sony Corporation Rf tracking servo for vtr with adjustable servo loop gain
AU6963496A (en) 1995-09-01 1997-03-27 Irwin Research And Development Method and apparatus for control of drive systems for cycle based processes
JPH09116866A (ja) * 1995-10-20 1997-05-02 Sony Corp 符号化方法、符号化復号化方法及び記録再生装置
US20060244328A1 (en) * 2005-04-29 2006-11-02 Dong-Liang Guo Brush motor having coreless assembly
JP2008146724A (ja) * 2006-12-07 2008-06-26 Toshiba Corp ディスク記憶装置及びサーボテスト方法
JP4427072B2 (ja) * 2007-04-27 2010-03-03 インターナショナル・ビジネス・マシーンズ・コーポレーション 書込みリトライ方法及び磁気テープ装置
US11567549B2 (en) * 2019-05-31 2023-01-31 Texas Instruments Incorporated Reset circuit for battery management system

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3375331A (en) * 1963-10-21 1968-03-26 Nippon Electric Co System for recording and reproducing a periodic signal
DE1774833C3 (de) * 1967-09-20 1980-05-14 Sony Corp., Tokio Magnetbandwiedergabegerät
GB1312853A (en) * 1969-09-30 1973-04-11 Sanyo Electric Co Video tape recorders
US3663764A (en) * 1970-04-06 1972-05-16 Ampex Automatic tracking circuit for transverse scan magnetic tape transport
DE2216077C3 (de) * 1972-04-01 1978-04-20 Loewe Opta Gmbh, 1000 Berlin Automatische Spurabtast-Regelschaltung für Video-Magnetband-Aufzeichnungsund Wiedergabegerät
JPS5650329B2 (it) * 1972-05-22 1981-11-28
JPS5633772B2 (it) * 1972-12-20 1981-08-06
JPS598891B2 (ja) * 1974-11-26 1984-02-28 ソニー株式会社 回転磁気ヘッド装置
JPS6059787B2 (ja) * 1975-10-14 1985-12-26 ソニー株式会社 映像信号再生装置
US4093885A (en) * 1976-03-19 1978-06-06 Ampex Corporation Transducer assembly vibration sensor
US4080636A (en) * 1976-03-19 1978-03-21 Ampex Corporation System for damping vibrations in a deflectable transducer
GB1579854A (en) * 1976-03-19 1980-11-26 Ampex Method and apparatus for producing time base altered effects in data recording and reproducing apparatus
US4106065A (en) 1976-03-19 1978-08-08 Ampex Corporation Drive circuitry for controlling movable video head
US4151570A (en) 1976-03-22 1979-04-24 Ampex Corporation Automatic scan tracking using a magnetic head supported by a piezoelectric bender element
JPS6030008B2 (ja) * 1976-08-20 1985-07-13 ソニー株式会社 再生装置
JPS6032258B2 (ja) * 1976-09-13 1985-07-26 ソニー株式会社 自動トラツキング制御装置
US4099211A (en) * 1976-09-13 1978-07-04 Ampex Corporation Positionable transducing mounting structure and driving system therefor

Also Published As

Publication number Publication date
IT7948428A0 (it) 1979-03-21
US4319289A (en) 1982-03-09
GB2020851A (en) 1979-11-21
DE2911324C2 (de) 1984-11-22
DE2954330C2 (it) 1988-04-07
HK787A (en) 1987-01-09
CA1138101A (en) 1982-12-21
IT1115053B (it) 1986-02-03
NL7902275A (nl) 1979-09-25
GB2020851B (en) 1982-07-07
FR2420808A1 (fr) 1979-10-19
ATA217379A (de) 1986-01-15
FR2420808B1 (fr) 1987-05-07
AT381199B (de) 1986-09-10
DE2911324A1 (de) 1979-10-04
JPS54164112A (en) 1979-12-27

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: AMPEX CORP.

Effective date: 19940331