FR2254087A1 - Gramophone stylus arm operating mechanism - has moving coil electromagnet raising arm and two-winding arm positioning motor - Google Patents

Gramophone stylus arm operating mechanism - has moving coil electromagnet raising arm and two-winding arm positioning motor

Info

Publication number
FR2254087A1
FR2254087A1 FR7344676A FR7344676A FR2254087A1 FR 2254087 A1 FR2254087 A1 FR 2254087A1 FR 7344676 A FR7344676 A FR 7344676A FR 7344676 A FR7344676 A FR 7344676A FR 2254087 A1 FR2254087 A1 FR 2254087A1
Authority
FR
France
Prior art keywords
arm
operating mechanism
moving coil
positioning motor
winding
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
FR7344676A
Other languages
English (en)
French (fr)
Other versions
FR2254087B1 (enExample
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.)
BARDON MAURICE FR
Original Assignee
BARDON MAURICE FR
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 BARDON MAURICE FR filed Critical BARDON MAURICE FR
Priority to FR7344676A priority Critical patent/FR2254087A1/fr
Publication of FR2254087A1 publication Critical patent/FR2254087A1/fr
Application granted granted Critical
Publication of FR2254087B1 publication Critical patent/FR2254087B1/fr
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02Arrangements of heads
    • G11B3/08Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
    • G11B3/085Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using automatic means
    • G11B3/08535Driving the head
    • G11B3/08564Driving the head the head being driven by means independent of the record carrier driving means
    • G11B3/08567Driving the head the head being driven by means independent of the record carrier driving means for pivoting pick-up arms
    • G11B3/0857Driving the head the head being driven by means independent of the record carrier driving means for pivoting pick-up arms driven by means which support the pick-up arm
    • G11B3/08574Driving the head the head being driven by means independent of the record carrier driving means for pivoting pick-up arms driven by means which support the pick-up arm the supporting element being different from the rotation-axes
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02Arrangements of heads
    • G11B3/08Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
    • G11B3/085Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using automatic means
    • G11B3/08535Driving the head
    • G11B3/08564Driving the head the head being driven by means independent of the record carrier driving means
    • G11B3/08567Driving the head the head being driven by means independent of the record carrier driving means for pivoting pick-up arms
    • G11B3/0857Driving the head the head being driven by means independent of the record carrier driving means for pivoting pick-up arms driven by means which support the pick-up arm

Landscapes

  • Moving Of Heads (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
FR7344676A 1973-12-07 1973-12-07 Gramophone stylus arm operating mechanism - has moving coil electromagnet raising arm and two-winding arm positioning motor Granted FR2254087A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7344676A FR2254087A1 (en) 1973-12-07 1973-12-07 Gramophone stylus arm operating mechanism - has moving coil electromagnet raising arm and two-winding arm positioning motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7344676A FR2254087A1 (en) 1973-12-07 1973-12-07 Gramophone stylus arm operating mechanism - has moving coil electromagnet raising arm and two-winding arm positioning motor

Publications (2)

Publication Number Publication Date
FR2254087A1 true FR2254087A1 (en) 1975-07-04
FR2254087B1 FR2254087B1 (enExample) 1977-03-04

Family

ID=9129200

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7344676A Granted FR2254087A1 (en) 1973-12-07 1973-12-07 Gramophone stylus arm operating mechanism - has moving coil electromagnet raising arm and two-winding arm positioning motor

Country Status (1)

Country Link
FR (1) FR2254087A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5237005A (en) * 1975-09-15 1977-03-22 Rca Corp Device for raising or lowering stylus arm for video record disk reproducer
FR2337395A1 (fr) * 1976-01-05 1977-07-29 Rca Corp Systeme de commande des mecanismes d'un tourne-disque video

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5237005A (en) * 1975-09-15 1977-03-22 Rca Corp Device for raising or lowering stylus arm for video record disk reproducer
FR2337395A1 (fr) * 1976-01-05 1977-07-29 Rca Corp Systeme de commande des mecanismes d'un tourne-disque video

Also Published As

Publication number Publication date
FR2254087B1 (enExample) 1977-03-04

Similar Documents

Publication Publication Date Title
IE801856L (en) Linear motor
ES8204206A1 (es) Un aparato reproductor para registros provistos con informa-cion
ES408691A1 (es) Una disposicion de memoria de datos.
US4110797A (en) Magnetic recording reproducing apparatus with field generating means within the copy medium
US2333235A (en) Dictation recording system
US2329107A (en) Remotely controlled dictationsystem
US3586779A (en) Telephone answering device with solenoid coupler
ES435086A1 (es) Un dispositivo para inscribir yno reproducir informacion, en yno desde, respectivamente, un soporte giratorio en formade disco.
FR2254087A1 (en) Gramophone stylus arm operating mechanism - has moving coil electromagnet raising arm and two-winding arm positioning motor
US3409746A (en) Magnetic disc recording and reproducing machine
NL190910C (nl) Werkwijze ter bereiding van een kobalt bevattend ferromagnetisch ijzeroxyde, alsmede magnetisch registratiemedium.
JPS6120266A (ja) レコードプレーヤー装置
US1859930A (en) Recording and reproduction of intelligence
US2462435A (en) Apparatus for uninterrupted reproduction of disk phonographrecords
JPS6489946A (en) Actuator mechanism for magnetic disc device
AU4846672A (en) A device for controlling the excitation current ofa coil producing a magnetic flux of reversible polarity
JPS62165774A (ja) ヘツド位置決め機構
DE68918620D1 (de) Magnetfluss-Betriebsverfahren für einen Induktionsmotor.
US2946993A (en) Automatic programming control system
US3105692A (en) Record table drives for sound reproduction machines
US3740055A (en) Audio reproducing apparatus for ramdom acess playback systems
FR2331877A1 (fr) Relais electromagnetique
JPS5622242A (en) Magnetic recording and reproducing device
US1839187A (en) Sound recording and reproducing apparatus
FR2324087A1 (fr) Dispositif pour elever et abaisser le bras de lecture d'un appareil de reproduction de videodisques

Legal Events

Date Code Title Description
ST Notification of lapse