BE852619A - Asservissement numerique tres stable pour tetes d'enregistreurs video - Google Patents

Asservissement numerique tres stable pour tetes d'enregistreurs video

Info

Publication number
BE852619A
BE852619A BE175901A BE175901A BE852619A BE 852619 A BE852619 A BE 852619A BE 175901 A BE175901 A BE 175901A BE 175901 A BE175901 A BE 175901A BE 852619 A BE852619 A BE 852619A
Authority
BE
Belgium
Prior art keywords
video recorder
stable digital
digital slave
recorder heads
heads
Prior art date
Application number
BE175901A
Other languages
English (en)
French (fr)
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 BE852619A publication Critical patent/BE852619A/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
    • G11B15/60—Guiding record carrier
    • G11B15/602—Guiding record carrier for track selection, acquisition or following
    • 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
    • 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
    • G11B15/4731—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 control of headwheel rotation
    • G11B15/4733—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 control of headwheel rotation with provision for information tracking, e.g. for time base correction
    • 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
    • G11B15/54—Controlling, regulating, or indicating speed by stroboscope; by tachometer
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/18—Controlling the angular speed together with angular position or phase
    • H02P23/186—Controlling the angular speed together with angular position or phase of one shaft by controlling the prime mover

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electric Motors In General (AREA)
  • Television Signal Processing For Recording (AREA)
  • Control Of Velocity Or Acceleration (AREA)
  • Feedback Control In General (AREA)
BE175901A 1976-03-19 1977-03-18 Asservissement numerique tres stable pour tetes d'enregistreurs video BE852619A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/668,418 US4047231A (en) 1976-03-19 1976-03-19 High stability digital head servo for video recorders

Publications (1)

Publication Number Publication Date
BE852619A true BE852619A (fr) 1977-07-18

Family

ID=24682233

Family Applications (1)

Application Number Title Priority Date Filing Date
BE175901A BE852619A (fr) 1976-03-19 1977-03-18 Asservissement numerique tres stable pour tetes d'enregistreurs video

Country Status (10)

Country Link
US (1) US4047231A (de)
JP (2) JPS52115978A (de)
AT (1) AT369604B (de)
BE (1) BE852619A (de)
CA (1) CA1078453A (de)
DE (1) DE2711952C2 (de)
FR (1) FR2344921A1 (de)
GB (1) GB1570229A (de)
IT (1) IT1077729B (de)
NL (1) NL189053C (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT346089B (de) * 1976-07-30 1978-10-25 Philips Nv Wiedergabegeraet
JPS5441114A (en) * 1977-09-08 1979-04-02 Sony Corp Automatic tracking system
JPS54102474A (en) * 1978-01-27 1979-08-11 Sony Corp Digital servo circuit
JPS54114691A (en) * 1978-02-27 1979-09-06 Sony Corp Servo circuit
US4163993A (en) 1978-03-23 1979-08-07 Ampex Corporation Continuous slow motion automatic tracking system
JPS5532139A (en) * 1978-08-30 1980-03-06 Sony Corp Automatic correction circuit for residual error
AU538020B2 (en) * 1979-02-26 1984-07-26 Sony Corporation V.t.r. servo control circuit
EP0113424A3 (de) * 1980-03-10 1985-11-21 Eaton-Optimetrix Inc. Positionsregelschaltung
US4400745A (en) * 1980-11-17 1983-08-23 Del Mar Avionics Tape transport
JPS58500010U (de) * 1981-12-21 1983-12-08
US4441062A (en) * 1982-01-29 1984-04-03 Varo, Inc. Missing pulse detector for a synchronous motor drive
DE3517815A1 (de) * 1985-05-17 1986-11-20 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren zur phasen- und drehzahlregelung eines gleichstrommotorantriebes
CA1270946A (en) * 1985-07-23 1990-06-26 Mitsugu Yoshihiro Capstan servo circuit
DE3542064A1 (de) * 1985-11-28 1987-06-04 Thomson Brandt Gmbh Kopfradanordnung fuer einen recorder
JPH0343839Y2 (de) * 1986-11-06 1991-09-13
JPH0646479B2 (ja) * 1987-05-18 1994-06-15 株式会社日立製作所 モ−タ回転制御装置
JPS6423453A (en) * 1987-07-17 1989-01-26 Yamaha Corp Rotation controller for rotary head
JP2898991B2 (ja) * 1988-06-21 1999-06-02 キヤノン株式会社 回転制御装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3097267A (en) * 1958-08-08 1963-07-09 Ampex Tape recording and/or reproducing system and method
US3187092A (en) * 1959-04-27 1965-06-01 Rca Corp Speed control system using parallel control loops
US3017462A (en) * 1960-04-21 1962-01-16 Ampex Tape apparatus synchronizing system
US3270130A (en) * 1962-03-27 1966-08-30 Rca Corp Servo system with plural reference signals
US3542950A (en) * 1966-08-02 1970-11-24 Rca Corp Servo system
GB1336583A (en) * 1969-12-04 1973-11-07 Mitsushita Electrical Ind Co L Rotary head type magnetic recording and reproducing unit
US3900890A (en) * 1974-05-06 1975-08-19 Sperry Rand Corp Speed tolerant recording and recovery system

Also Published As

Publication number Publication date
NL189053C (nl) 1992-12-16
ATA187577A (de) 1982-05-15
CA1078453A (en) 1980-05-27
IT1077729B (it) 1985-05-04
FR2344921A1 (fr) 1977-10-14
JPS52115978A (en) 1977-09-28
DE2711952C2 (de) 1983-11-10
FR2344921B1 (de) 1980-05-09
DE2711952A1 (de) 1977-10-20
GB1570229A (en) 1980-06-25
AT369604B (de) 1983-01-25
NL7701210A (nl) 1977-09-21
JPH0121711B2 (de) 1989-04-21
NL189053B (nl) 1992-07-16
US4047231A (en) 1977-09-06
JPS6244086A (ja) 1987-02-26

Similar Documents

Publication Publication Date Title
ATA580180A (de) Digital-videobandaufzeichnungsgeraet
BE852619A (fr) Asservissement numerique tres stable pour tetes d'enregistreurs video
IT1081910B (it) Impianto di editazione a nastro per segnali video
NL7600948A (nl) "solid state" beeldopnemer.
JPS52114304A (en) Optical recorder reproducer
NL7610341A (nl) "solid state" beeldopnemer.
FR2310595A1 (fr) Commutateur pour paquets de donnees d'information dans un systeme de transmission de donnees numeriques
FR2463964B1 (fr) Dispositif d'affichage a interpolation, notamment pour un oscilloscope numerique
FR2328340A1 (fr) Porteur d'enregistrement pour signal de television
IT1090082B (it) Apparecchiatura di riproduzione di segnali video a colori
FI800153A (fi) Katalytkompositioner och anvaendningen av dessa vid framstaellning av avskiljbara belaeggningar
NL7614627A (nl) Videobandregistratieinrichting.
BE863769A (fr) Verrouillage d'un tourne-disque video
DE3382110D1 (de) Videobandaufzeichnungsgeraet.
DE3381692D1 (de) Videoband-aufzeichnungsgeraet.
ATA501577A (de) Videosignal-wiedergabeeinrichtung
BE851103A (fr) Element d'enregistrement
FR2339931A1 (fr) Ensemble de tetes pour enregistreur magnetique
AT388834B (de) Videomagnetbandgeraet
FR2279117A1 (fr) Systeme d'enregistrement pour carottage acoustique
BE809486A (fr) Enregistreur d'information digitale
FR2347746A1 (fr) Adaptateur pour magnetophone
BE834101A (fr) Bobine pour bande d'enregistrement
FR2348535A1 (fr) Dispositif d'enregistrement pour enregistreurs de route
BE843298A (fr) Commutateur pour donnees numeriques

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: AMPEX CORP.

Effective date: 19940331