IT8026193A0 - Azionatore per il sollevamento abbassamento di uno stilo, dotato di un motore elettromagnetico perfezionato. - Google Patents

Azionatore per il sollevamento abbassamento di uno stilo, dotato di un motore elettromagnetico perfezionato.

Info

Publication number
IT8026193A0
IT8026193A0 IT8026193A IT2619380A IT8026193A0 IT 8026193 A0 IT8026193 A0 IT 8026193A0 IT 8026193 A IT8026193 A IT 8026193A IT 2619380 A IT2619380 A IT 2619380A IT 8026193 A0 IT8026193 A0 IT 8026193A0
Authority
IT
Italy
Prior art keywords
stylus
lowering
actuator
lifting
electromagnetic motor
Prior art date
Application number
IT8026193A
Other languages
English (en)
Other versions
IT1134366B (it
Inventor
Thomas William Burrus
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Publication of IT8026193A0 publication Critical patent/IT8026193A0/it
Application granted granted Critical
Publication of IT1134366B publication Critical patent/IT1134366B/it

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
    • G11B3/08—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
    • G11B3/085—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using automatic means
    • G11B3/08535—Driving the head
    • G11B3/08564—Driving the head the head being driven by means independent of the record carrier driving means
    • G11B3/08587—Driving the head the head being driven by means independent of the record carrier driving means for pick-up arm moving parallel to itself
IT26193/80A 1979-11-28 1980-11-24 Azionatore per il sollevamento abbassamento di uno stilo,dotato di un motore elettromagnetico perfezionato IT1134366B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/098,359 US4266785A (en) 1979-11-28 1979-11-28 Stylus lifting/lowering actuator with improved electromagnetic motor

Publications (2)

Publication Number Publication Date
IT8026193A0 true IT8026193A0 (it) 1980-11-24
IT1134366B IT1134366B (it) 1986-08-13

Family

ID=22268935

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26193/80A IT1134366B (it) 1979-11-28 1980-11-24 Azionatore per il sollevamento abbassamento di uno stilo,dotato di un motore elettromagnetico perfezionato

Country Status (8)

Country Link
US (1) US4266785A (it)
JP (1) JPS5687264A (it)
AT (1) AT373709B (it)
CA (1) CA1143662A (it)
DE (1) DE3044914A1 (it)
FR (1) FR2471021A1 (it)
GB (1) GB2064850B (it)
IT (1) IT1134366B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4344166A (en) * 1980-11-05 1982-08-10 Rca Corporation Driver arrangement for stylus lifting/lowering apparatus
US4423500A (en) * 1981-09-08 1983-12-27 Rca Corporation Stylus lifting/lowering actuator with air damping
US6982696B1 (en) * 1999-07-01 2006-01-03 Immersion Corporation Moving magnet actuator for providing haptic feedback

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3672687A (en) * 1969-05-26 1972-06-27 Gen Electric Audio reproducing apparatus for random access playback systems
GB1509923A (en) * 1974-04-30 1978-05-04 Strathearn Audio Ltd Pivoted gramophone pick-up arm control arrangements
US3952145A (en) * 1974-11-12 1976-04-20 Rca Corporation Pickup arm cartridge apparatus
US3972533A (en) * 1975-02-03 1976-08-03 Rca Corporation Signal pickup lifting/lowering apparatus
FR2324087A1 (fr) * 1975-09-15 1977-04-08 Rca Corp Dispositif pour elever et abaisser le bras de lecture d'un appareil de reproduction de videodisques
US4059277A (en) * 1975-09-15 1977-11-22 Rca Corporation Stylus arm lifting/lowering apparatus for a video disc player system
US4053161A (en) * 1975-09-15 1977-10-11 Rca Corporation Stylus arm lifting/lowering apparatus for a video disc player
US4038682A (en) * 1975-09-18 1977-07-26 Rca Corporation Video disc player apparatus for establishing electrical connection between a stylus electrode and a signal processing circuit

Also Published As

Publication number Publication date
GB2064850B (en) 1984-02-29
CA1143662A (en) 1983-03-29
US4266785A (en) 1981-05-12
DE3044914A1 (de) 1981-09-03
GB2064850A (en) 1981-06-17
ATA582480A (de) 1983-06-15
FR2471021A1 (fr) 1981-06-12
IT1134366B (it) 1986-08-13
AT373709B (de) 1984-02-10
JPS5687264A (en) 1981-07-15

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