IT1095263B - SOUND PLAYER OF GRAMOPHONE DISCS WITH START-UP CONTROL BY MEANS OF MAGNETIC FIELD - Google Patents

SOUND PLAYER OF GRAMOPHONE DISCS WITH START-UP CONTROL BY MEANS OF MAGNETIC FIELD

Info

Publication number
IT1095263B
IT1095263B IT22861/78A IT2286178A IT1095263B IT 1095263 B IT1095263 B IT 1095263B IT 22861/78 A IT22861/78 A IT 22861/78A IT 2286178 A IT2286178 A IT 2286178A IT 1095263 B IT1095263 B IT 1095263B
Authority
IT
Italy
Prior art keywords
magnetic field
control
sound player
gramophone
discs
Prior art date
Application number
IT22861/78A
Other languages
Italian (it)
Other versions
IT7822861A0 (en
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of IT7822861A0 publication Critical patent/IT7822861A0/en
Application granted granted Critical
Publication of IT1095263B publication Critical patent/IT1095263B/en

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
    • G11B3/08503—Control of drive of the head
    • G11B3/08506—Control of drive of the head for pivoting pick-up arms
    • G11B3/08516—Control of drive of the head for pivoting pick-up arms using magnetic detecting means
IT22861/78A 1977-05-02 1978-04-28 SOUND PLAYER OF GRAMOPHONE DISCS WITH START-UP CONTROL BY MEANS OF MAGNETIC FIELD IT1095263B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7713213A FR2389965B1 (en) 1977-05-02 1977-05-02

Publications (2)

Publication Number Publication Date
IT7822861A0 IT7822861A0 (en) 1978-04-28
IT1095263B true IT1095263B (en) 1985-08-10

Family

ID=9190198

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22861/78A IT1095263B (en) 1977-05-02 1978-04-28 SOUND PLAYER OF GRAMOPHONE DISCS WITH START-UP CONTROL BY MEANS OF MAGNETIC FIELD

Country Status (6)

Country Link
JP (1) JPS53150107U (en)
DE (1) DE2817311A1 (en)
ES (1) ES469323A1 (en)
FR (1) FR2389965B1 (en)
GB (1) GB1589646A (en)
IT (1) IT1095263B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2108703A1 (en) * 1992-12-23 1994-06-24 David W. Richard Magnetic disk drive unit

Also Published As

Publication number Publication date
FR2389965A1 (en) 1978-12-01
ES469323A1 (en) 1979-01-16
FR2389965B1 (en) 1980-08-14
DE2817311A1 (en) 1978-11-16
JPS53150107U (en) 1978-11-27
GB1589646A (en) 1981-05-20
IT7822861A0 (en) 1978-04-28

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