FR2456365A1 - Procede et dispositif d'annulation de la deviation remanente du support de tete en ceramique piezoelectrique d'un enregistreur de signaux video et leur application aux magnetoscopes - Google Patents

Procede et dispositif d'annulation de la deviation remanente du support de tete en ceramique piezoelectrique d'un enregistreur de signaux video et leur application aux magnetoscopes

Info

Publication number
FR2456365A1
FR2456365A1 FR7911792A FR7911792A FR2456365A1 FR 2456365 A1 FR2456365 A1 FR 2456365A1 FR 7911792 A FR7911792 A FR 7911792A FR 7911792 A FR7911792 A FR 7911792A FR 2456365 A1 FR2456365 A1 FR 2456365A1
Authority
FR
France
Prior art keywords
magnitude
piezoceramic
tracking control
control signal
oscillating signal
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
FR7911792A
Other languages
English (en)
French (fr)
Other versions
FR2456365B1 (enrdf_load_html_response
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.)
Sony Corp
Original Assignee
Sony Corp
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
Priority to DE19792918259 priority Critical patent/DE2918259A1/de
Application filed by Sony Corp filed Critical Sony Corp
Priority to FR7911792A priority patent/FR2456365A1/fr
Priority to NL7903691A priority patent/NL7903691A/nl
Publication of FR2456365A1 publication Critical patent/FR2456365A1/fr
Application granted granted Critical
Publication of FR2456365B1 publication Critical patent/FR2456365B1/fr
Granted 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
    • 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

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
FR7911792A 1979-05-07 1979-05-09 Procede et dispositif d'annulation de la deviation remanente du support de tete en ceramique piezoelectrique d'un enregistreur de signaux video et leur application aux magnetoscopes Granted FR2456365A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19792918259 DE2918259A1 (de) 1979-05-07 1979-05-07 Verfahren und vorrichtung zum beseitigen der remanenten auslenkung in einer piezokeramischen kopfhalterung eines video-rekorders
FR7911792A FR2456365A1 (fr) 1979-05-07 1979-05-09 Procede et dispositif d'annulation de la deviation remanente du support de tete en ceramique piezoelectrique d'un enregistreur de signaux video et leur application aux magnetoscopes
NL7903691A NL7903691A (nl) 1979-05-07 1979-05-10 Videobandapparaat.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19792918259 DE2918259A1 (de) 1979-05-07 1979-05-07 Verfahren und vorrichtung zum beseitigen der remanenten auslenkung in einer piezokeramischen kopfhalterung eines video-rekorders
FR7911792A FR2456365A1 (fr) 1979-05-07 1979-05-09 Procede et dispositif d'annulation de la deviation remanente du support de tete en ceramique piezoelectrique d'un enregistreur de signaux video et leur application aux magnetoscopes
NL7903691A NL7903691A (nl) 1979-05-07 1979-05-10 Videobandapparaat.

Publications (2)

Publication Number Publication Date
FR2456365A1 true FR2456365A1 (fr) 1980-12-05
FR2456365B1 FR2456365B1 (enrdf_load_html_response) 1984-02-10

Family

ID=27188019

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7911792A Granted FR2456365A1 (fr) 1979-05-07 1979-05-09 Procede et dispositif d'annulation de la deviation remanente du support de tete en ceramique piezoelectrique d'un enregistreur de signaux video et leur application aux magnetoscopes

Country Status (3)

Country Link
DE (1) DE2918259A1 (enrdf_load_html_response)
FR (1) FR2456365A1 (enrdf_load_html_response)
NL (1) NL7903691A (enrdf_load_html_response)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB879824A (en) * 1959-12-22 1961-10-11 Gen Ultrasonics Company Autopolarization of electrostrictive transducers
FR2345049A1 (fr) * 1976-03-19 1977-10-14 Ampex Montage d'excitation pour la commande d'une tete video mobile
FR2345779A1 (fr) * 1976-03-22 1977-10-21 Ampex Dispositif d'exploration de piste avec alignement automatique
FR2367395A1 (fr) * 1976-10-05 1978-05-05 Sony Corp Installation de balayage de trace automatique notamment destinee a la reproduction de signaux video enregistres sur une bande magnetique
JPS54127306A (en) * 1978-03-27 1979-10-03 Sony Corp Tape recorder
FR2427661A1 (fr) * 1978-05-29 1979-12-28 Philips Nv Dispositif pour appliquer une tension de commande aux extremites d'un element de positionnement piezo-electrique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6059787B2 (ja) * 1975-10-14 1985-12-26 ソニー株式会社 映像信号再生装置
JPS5378716A (en) * 1976-12-23 1978-07-12 Sony Corp Magnetic picture recorder/reproducer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB879824A (en) * 1959-12-22 1961-10-11 Gen Ultrasonics Company Autopolarization of electrostrictive transducers
FR2345049A1 (fr) * 1976-03-19 1977-10-14 Ampex Montage d'excitation pour la commande d'une tete video mobile
FR2345779A1 (fr) * 1976-03-22 1977-10-21 Ampex Dispositif d'exploration de piste avec alignement automatique
FR2367395A1 (fr) * 1976-10-05 1978-05-05 Sony Corp Installation de balayage de trace automatique notamment destinee a la reproduction de signaux video enregistres sur une bande magnetique
JPS54127306A (en) * 1978-03-27 1979-10-03 Sony Corp Tape recorder
FR2427661A1 (fr) * 1978-05-29 1979-12-28 Philips Nv Dispositif pour appliquer une tension de commande aux extremites d'un element de positionnement piezo-electrique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ABJP/79 *

Also Published As

Publication number Publication date
FR2456365B1 (enrdf_load_html_response) 1984-02-10
NL7903691A (nl) 1980-11-12
DE2918259A1 (de) 1980-11-20
DE2918259C2 (enrdf_load_html_response) 1988-12-08

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Legal Events

Date Code Title Description
ST Notification of lapse