GB1589646A - Record player - Google Patents

Record player Download PDF

Info

Publication number
GB1589646A
GB1589646A GB16956/78A GB1695678A GB1589646A GB 1589646 A GB1589646 A GB 1589646A GB 16956/78 A GB16956/78 A GB 16956/78A GB 1695678 A GB1695678 A GB 1695678A GB 1589646 A GB1589646 A GB 1589646A
Authority
GB
United Kingdom
Prior art keywords
arm
hall element
record player
turntable
record
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
GB16956/78A
Other languages
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB1589646A publication Critical patent/GB1589646A/en
Expired 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
    • G11B3/08—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

Landscapes

  • Rotational Drive Of Disk (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Amplifiers (AREA)
GB16956/78A 1977-05-02 1978-04-28 Record player Expired GB1589646A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1589646A true GB1589646A (en) 1981-05-20

Family

ID=9190198

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16956/78A Expired GB1589646A (en) 1977-05-02 1978-04-28 Record player

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2273811A (en) * 1992-12-23 1994-06-29 Raymond Engineering Magnetic disk drive unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2273811A (en) * 1992-12-23 1994-06-29 Raymond Engineering Magnetic disk drive unit

Also Published As

Publication number Publication date
FR2389965A1 (enrdf_load_stackoverflow) 1978-12-01
ES469323A1 (es) 1979-01-16
FR2389965B1 (enrdf_load_stackoverflow) 1980-08-14
DE2817311A1 (de) 1978-11-16
IT1095263B (it) 1985-08-10
JPS53150107U (enrdf_load_stackoverflow) 1978-11-27
IT7822861A0 (it) 1978-04-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee