FR2458122A1 - Dispositif de compensation de l'erreur angulaire horizontale d'un bras d'electrophone - Google Patents

Dispositif de compensation de l'erreur angulaire horizontale d'un bras d'electrophone

Info

Publication number
FR2458122A1
FR2458122A1 FR8012094A FR8012094A FR2458122A1 FR 2458122 A1 FR2458122 A1 FR 2458122A1 FR 8012094 A FR8012094 A FR 8012094A FR 8012094 A FR8012094 A FR 8012094A FR 2458122 A1 FR2458122 A1 FR 2458122A1
Authority
FR
France
Prior art keywords
arm
electrophone
angular error
slot
horizontal angular
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
FR8012094A
Other languages
English (en)
Other versions
FR2458122B1 (fr
Inventor
Peter Kirilov Kanchev
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.)
BULGARSKO RADIO
Original Assignee
BULGARSKO RADIO
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 BULGARSKO RADIO filed Critical BULGARSKO RADIO
Publication of FR2458122A1 publication Critical patent/FR2458122A1/fr
Application granted granted Critical
Publication of FR2458122B1 publication Critical patent/FR2458122B1/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
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02—Arrangements of heads
    • G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers
    • G11B3/12—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse
    • G11B3/125—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse by using electric or magnetic means
    • G11B3/127—Providing horizontal force, e.g. anti-skating force
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02—Arrangements of heads
    • G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers
    • G11B3/34—Driving or guiding during transducing operation
    • G11B3/38—Guiding, e.g. constructions or arrangements providing linear or other special tracking characteristics

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

LA PRESENTE INVENTION CONCERNE UN DISPOSITIF DE COMPENSATION DE L'ERREUR ANGULAIRE HORIZONTALE DU BRAS D'UN ELECTROPHONE. CE DISPOSITIF COMPREND UN LEVIER 1 FIXE EN SON MILIEU SUR UN PALIER 2. LE LEVIER 1 EST RELIE, PAR UNE EXTREMITE, A L'AXE DE ROTATION 7 DU BRAS 8 ET PORTE, A SON AUTRE EXTREMITE, UN CONTREPOIDS 3 ET UN ENGRENAGE REDUCTEUR 4 RELIE A UN MOTEUR ELECTRIQUE 5. UN MASQUE OPTIQUE PLAN 6, PERCE D'UNE FENTE 9 EST FIXE A L'AXE DE ROTATION 7 DU BRAS 8, EN DESSOUS DE CE DERNIER. D'UN COTE DU MASQUE 6 ET A PROXIMITE DE LA FENTE 9 EST PREVU UNE SOURCE LUMINEUSE 14 ET DE L'AUTRE COTE, DEUX PHOTO-RECEPTEURS 12 ET 13. CE DISPOSITIF SE CARACTERISE EN CE QUE LA FENTE 9 A LA FORME D'UN ARC OUVERT VERS L'AXE 7 ET EN CE QU'UN CACHE 10 PERCE D'UNE FENTE 11 ALIGNEE AVEC L'AXE 7 EST FIXE ENTRE LA SOURCE LUMINEUSE 14 ET LES PHOTO-RECEPTEURS 12 ET 13. APPLICATION AUX ELECTROPHONES.
FR8012094A 1979-05-31 1980-05-30 Dispositif de compensation de l'erreur angulaire horizontale d'un bras d'electrophone Granted FR2458122A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG7943791A BG29833A1 (en) 1979-05-31 1979-05-31 Compensator of horizontal angle mistake of record- player body

Publications (2)

Publication Number Publication Date
FR2458122A1 true FR2458122A1 (fr) 1980-12-26
FR2458122B1 FR2458122B1 (fr) 1983-02-11

Family

ID=3906143

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8012094A Granted FR2458122A1 (fr) 1979-05-31 1980-05-30 Dispositif de compensation de l'erreur angulaire horizontale d'un bras d'electrophone

Country Status (11)

Country Link
US (1) US4316280A (fr)
JP (1) JPS5625208A (fr)
BG (1) BG29833A1 (fr)
CS (1) CS230957B1 (fr)
DE (1) DE3020467A1 (fr)
DK (1) DK235480A (fr)
FR (1) FR2458122A1 (fr)
GB (1) GB2053552B (fr)
NL (1) NL8003177A (fr)
SE (1) SE441046B (fr)
SU (1) SU1062772A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8313192D0 (en) * 1983-05-13 1983-06-22 Cranfield Inst Of Tech Phonograph
US4722080A (en) * 1984-12-06 1988-01-26 Dieckmann Ralf E Transducer arm assembly for disk play-back machines

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3920249A (en) * 1971-03-25 1975-11-18 Richard Wykeham Beaufoy Birch Pickup guidance mechanisms
GB1460443A (en) * 1973-01-15 1977-01-06 Rushton R H Gramophone pick-up arms
FR2413745A1 (fr) * 1977-12-30 1979-07-27 Pascolini Jean Charles Tourne-disques a bras tangentiel pivotant horizontalement

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3850435A (en) * 1970-05-13 1974-11-26 R Birch Gramophone pickup guidance mechanisms

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3920249A (en) * 1971-03-25 1975-11-18 Richard Wykeham Beaufoy Birch Pickup guidance mechanisms
GB1460443A (en) * 1973-01-15 1977-01-06 Rushton R H Gramophone pick-up arms
FR2413745A1 (fr) * 1977-12-30 1979-07-27 Pascolini Jean Charles Tourne-disques a bras tangentiel pivotant horizontalement

Also Published As

Publication number Publication date
US4316280A (en) 1982-02-16
NL8003177A (nl) 1980-12-02
GB2053552A (en) 1981-02-04
SU1062772A1 (ru) 1983-12-23
DK235480A (da) 1980-12-01
FR2458122B1 (fr) 1983-02-11
BG29833A1 (en) 1981-02-16
GB2053552B (en) 1983-04-07
DE3020467A1 (de) 1980-12-18
JPS5625208A (en) 1981-03-11
SE441046B (sv) 1985-09-02
SE8003947L (sv) 1980-12-01
CS230957B1 (en) 1984-09-17

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Legal Events

Date Code Title Description
ST Notification of lapse