DE2918259C2 - - Google Patents

Info

Publication number
DE2918259C2
DE2918259C2 DE19792918259 DE2918259A DE2918259C2 DE 2918259 C2 DE2918259 C2 DE 2918259C2 DE 19792918259 DE19792918259 DE 19792918259 DE 2918259 A DE2918259 A DE 2918259A DE 2918259 C2 DE2918259 C2 DE 2918259C2
Authority
DE
Germany
Prior art keywords
signal
piezoceramic
carrier
amplitude
track
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.)
Expired
Application number
DE19792918259
Other languages
German (de)
English (en)
Other versions
DE2918259A1 (de
Inventor
Yukio Tokio/Tokyo Jp Kubota
Keiko Kawasaki Kanagawa Jp Noji
Yoshimi Yokohama Kanagawa Jp Watanabe
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
Application filed by Sony Corp filed Critical Sony Corp
Priority to DE19792918259 priority Critical patent/DE2918259A1/de
Priority to FR7911792A priority patent/FR2456365A1/fr
Priority to NL7903691A priority patent/NL7903691A/nl
Publication of DE2918259A1 publication Critical patent/DE2918259A1/de
Application granted granted Critical
Publication of DE2918259C2 publication Critical patent/DE2918259C2/de
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)
DE19792918259 1979-05-07 1979-05-07 Verfahren und vorrichtung zum beseitigen der remanenten auslenkung in einer piezokeramischen kopfhalterung eines video-rekorders Granted DE2918259A1 (de)

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
DE2918259A1 DE2918259A1 (de) 1980-11-20
DE2918259C2 true DE2918259C2 (enrdf_load_stackoverflow) 1988-12-08

Family

ID=27188019

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792918259 Granted DE2918259A1 (de) 1979-05-07 1979-05-07 Verfahren und vorrichtung zum beseitigen der remanenten auslenkung in einer piezokeramischen kopfhalterung eines video-rekorders

Country Status (3)

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

Family Cites Families (8)

* 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
JPS6059787B2 (ja) * 1975-10-14 1985-12-26 ソニー株式会社 映像信号再生装置
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
GB1560023A (en) * 1976-10-05 1980-01-30 Sony Corp Automatic magnetic-head scan tracking arrangements
JPS5378716A (en) * 1976-12-23 1978-07-12 Sony Corp Magnetic picture recorder/reproducer
JPS54127306A (en) * 1978-03-27 1979-10-03 Sony Corp Tape recorder
NL7805804A (nl) * 1978-05-29 1979-12-03 Philips Nv Inrichting voor het aanleggen van een stuurspanning over een pieezo-elektrisch positioneringselement.

Also Published As

Publication number Publication date
FR2456365B1 (enrdf_load_stackoverflow) 1984-02-10
FR2456365A1 (fr) 1980-12-05
NL7903691A (nl) 1980-11-12
DE2918259A1 (de) 1980-11-20

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition