HK20892A - Phase control method for video recorder motors - Google Patents

Phase control method for video recorder motors Download PDF

Info

Publication number
HK20892A
HK20892A HK208/92A HK20892A HK20892A HK 20892 A HK20892 A HK 20892A HK 208/92 A HK208/92 A HK 208/92A HK 20892 A HK20892 A HK 20892A HK 20892 A HK20892 A HK 20892A
Authority
HK
Hong Kong
Prior art keywords
pulses
head
phase
drum motor
head drum
Prior art date
Application number
HK208/92A
Other languages
German (de)
English (en)
French (fr)
Inventor
Hermann Link
Original Assignee
Deutsche Thomson-Brandt Gmbh
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 Deutsche Thomson-Brandt Gmbh filed Critical Deutsche Thomson-Brandt Gmbh
Publication of HK20892A publication Critical patent/HK20892A/xx

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
    • G11B15/18—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
    • G11B15/18—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
    • 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

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Control Of Electric Motors In General (AREA)
HK208/92A 1985-08-10 1992-03-19 Phase control method for video recorder motors HK20892A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853528763 DE3528763A1 (de) 1985-08-10 1985-08-10 Verfahren zur phasenregelung von motoren in videorecordern

Publications (1)

Publication Number Publication Date
HK20892A true HK20892A (en) 1992-03-27

Family

ID=6278230

Family Applications (1)

Application Number Title Priority Date Filing Date
HK208/92A HK20892A (en) 1985-08-10 1992-03-19 Phase control method for video recorder motors

Country Status (7)

Country Link
EP (1) EP0215234B1 (enrdf_load_stackoverflow)
JP (1) JPS6236768A (enrdf_load_stackoverflow)
KR (1) KR910000959B1 (enrdf_load_stackoverflow)
AT (1) ATE57273T1 (enrdf_load_stackoverflow)
DE (2) DE3528763A1 (enrdf_load_stackoverflow)
HK (1) HK20892A (enrdf_load_stackoverflow)
SG (1) SG9692G (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3823688A1 (de) * 1988-07-13 1990-01-18 Agfa Gevaert Ag Verfahren zur ermittlung des skew-fehlers bei magnetband
US9660292B2 (en) * 2012-08-16 2017-05-23 Enovix Corporation Electrode structures for three-dimensional batteries

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3651276A (en) * 1970-04-02 1972-03-21 Ampex Automatic phasing of servo systems
FR2450014B1 (fr) * 1979-02-26 1985-12-27 Sony Corp Circuit d'asservissement pour magnetoscope

Also Published As

Publication number Publication date
JPS6236768A (ja) 1987-02-17
ATE57273T1 (de) 1990-10-15
DE3528763A1 (de) 1987-02-19
DE3674693D1 (de) 1990-11-08
EP0215234B1 (de) 1990-10-03
KR870002567A (ko) 1987-03-31
SG9692G (en) 1992-03-20
JPH0526263B2 (enrdf_load_stackoverflow) 1993-04-15
KR910000959B1 (ko) 1991-02-19
EP0215234A1 (de) 1987-03-25

Similar Documents

Publication Publication Date Title
US4163993A (en) Continuous slow motion automatic tracking system
EP0197782B1 (en) Apparatus for reproducing digital signals
JPH02107079A (ja) 磁気記録再生装置
US4197564A (en) Automatically calibrated RF envelope detector circuit
US4120008A (en) Overlap track servo for dynamic position correction in a rotary-head tape recorder
CA1147457A (en) Track selection method and apparatus
US4426665A (en) Automatic track following feature for helical video recorder
CA1193005A (en) Automatic track following feature for helical video recorder
US5008763A (en) Rotation control device for a rotary head in a magnetic recording and reproducing device
US5490017A (en) Signal reproducing apparatus
US5065413A (en) Phase locked loop circuit
HK20892A (en) Phase control method for video recorder motors
EP0257974B1 (en) Video signal recording and/or reproducing apparatus
CA1183603A (en) Apparatus and method for determining read head position
EP0419370B1 (en) Apparatus for reproducing a digital signal recorded on a magnetic tape
US6026214A (en) Digital video recording apparatus and method
JP2728544B2 (ja) 磁気記録再生装置の自動トラッキング装置
KR940006392B1 (ko) 비디오 레코더
JPH1011844A (ja) オートトラッキング装置
US5138502A (en) Tape counter for a rotary head type video signal recording and reproducing apparatus and tape counting method therefor
US5295022A (en) Tracking control circuit
EP0357352B1 (en) Video signal recording/reproducing apparatus
JPS61187186A (ja) 磁気テープの記録方法
KR100194017B1 (ko) 자동 헤드 스위칭 서보회로 및 방법
JP2523507B2 (ja) ビデオレコ―ダのための再生時の磁気テ―プ速度の設定調整法

Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20050719