CA1051078A - Direct drive for turntables - Google Patents

Direct drive for turntables

Info

Publication number
CA1051078A
CA1051078A CA261,027A CA261027A CA1051078A CA 1051078 A CA1051078 A CA 1051078A CA 261027 A CA261027 A CA 261027A CA 1051078 A CA1051078 A CA 1051078A
Authority
CA
Canada
Prior art keywords
disk
platter
turntables
shaped armature
direct drive
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
CA261,027A
Other languages
English (en)
French (fr)
Inventor
Frank Arnold (Jr.)
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.)
Kollmorgen Corp
Original Assignee
Kollmorgen 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 Kollmorgen Corp filed Critical Kollmorgen Corp
Application granted granted Critical
Publication of CA1051078A publication Critical patent/CA1051078A/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
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/28—Speed controlling, regulating, or indicating
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof

Landscapes

  • Rotational Drive Of Disk (AREA)
CA261,027A 1975-10-14 1976-09-13 Direct drive for turntables Expired CA1051078A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/622,450 US4072874A (en) 1975-10-14 1975-10-14 Direct drive for turntables

Publications (1)

Publication Number Publication Date
CA1051078A true CA1051078A (en) 1979-03-20

Family

ID=24494210

Family Applications (1)

Application Number Title Priority Date Filing Date
CA261,027A Expired CA1051078A (en) 1975-10-14 1976-09-13 Direct drive for turntables

Country Status (11)

Country Link
US (1) US4072874A (enExample)
JP (1) JPS5249801A (enExample)
AT (1) AT355333B (enExample)
AU (1) AU506566B2 (enExample)
CA (1) CA1051078A (enExample)
CH (1) CH607205A5 (enExample)
DE (1) DE2643195A1 (enExample)
FR (1) FR2328260A1 (enExample)
GB (1) GB1518618A (enExample)
IT (1) IT1080033B (enExample)
ZA (1) ZA764503B (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5355007A (en) * 1976-10-27 1978-05-19 Matsushita Electric Ind Co Ltd Guide ram of magnetic recorder-reproducer
US4347536A (en) * 1979-01-10 1982-08-31 Hitachi, Ltd. Rotary cylinder apparatus
CH648706A5 (de) * 1979-01-16 1985-03-29 Papst Motoren Kg Kollektorloser gleichstrommotor.
US4278927A (en) * 1979-03-05 1981-07-14 Northrop Corporation Axial gap permanent magnet motor
US4320669A (en) * 1979-03-05 1982-03-23 Northrop Corporation Two degree of freedom gyro having an axial gap permanent magnet motor
US4239237A (en) * 1979-05-29 1980-12-16 Rca Corporation Turntable drive system for video disc player
FR2466075A1 (fr) * 1979-09-21 1981-03-27 Philips Ind Commerciale Tourne-disque a plateau directement entraine par son moteur
GB2064197B (en) * 1979-11-26 1984-07-11 Kato Electric & Machinary Co Record playing device
US4360751A (en) * 1980-06-06 1982-11-23 Kollmorgen Technologies Corporation Fan with integral disc-shaped drive
DE3344013C2 (de) * 1983-12-06 1985-12-05 Messer Griesheim Gmbh, 6000 Frankfurt Vorschubvorrichtung zur Föderung von Elektroden zum Schweißen und Schneiden
DE3716625C2 (de) * 1986-05-21 2001-08-09 Papst Licensing Gmbh & Co Kg Permanentmagnetisch erregbarer Elektromotor
JPH0323558A (ja) * 1989-06-20 1991-01-31 Tokico Ltd スピンドルモータ
DE4221429C2 (de) 1991-07-01 1999-01-14 Papst Motoren Gmbh & Co Kg Plattenspeicherantrieb, insbesondere für Festplattenspeicher
CH687657A5 (de) * 1993-01-07 1997-01-15 Landis & Gyr Tech Innovat Hysterese-Kupplung.
US5714812A (en) * 1995-04-14 1998-02-03 Norand Corporation Combined energy and data storage system
US20030095496A1 (en) * 2001-11-20 2003-05-22 Ya Horng Electronic Co., Ltd. Device for stabilizing the rotating speed of a record player
WO2005040729A1 (ja) * 2003-10-24 2005-05-06 Kabushiki Kaisha Yaskawa Denki 磁気式エンコーダ装置およびアクチュエータ
TWM541100U (zh) * 2016-10-17 2017-05-01 Ya Horng Electronic Co Ltd 唱盤機及唱盤機設備
US10224069B1 (en) * 2017-06-02 2019-03-05 Nat Williams Phonograph record turntable stabilizing assemblies and methods
WO2025241249A1 (zh) * 2024-05-22 2025-11-27 深圳市静思宇科技有限公司 一种黑胶唱片装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE598788C (de) * 1931-03-01 1934-06-19 Orvag Akt Ges Plattentellerfoermiger Elektromotor mit Scheibenanker fuer Sprechmaschinen
US2970238A (en) * 1959-02-12 1961-01-31 Printed Motors Inc Printed circuit armature
FR1231096A (fr) * 1959-03-26 1960-09-26 Normacem Sa Perfectionnements aux machines électriques tournantes à entrefer axial
NL302041A (enExample) * 1962-12-18 1900-01-01
US3225233A (en) * 1963-01-08 1965-12-21 Winston Res Corp Capstan drive mechanism
CH483740A (de) * 1966-12-13 1969-12-31 Quellet Georges Elektrodynamischer Motor
US3520460A (en) * 1967-04-25 1970-07-14 Lear Jet Corp Magnetic tape drive system
JPS5013605B1 (enExample) * 1970-12-24 1975-05-21
US3784853A (en) * 1972-05-03 1974-01-08 P Wangsness Homopolar motor forming a sound record support
US3786288A (en) * 1973-02-12 1974-01-15 C Joannou Phonograph record player turntable and motor assembly
US3909643A (en) * 1973-03-30 1975-09-30 Victor Company Of Japan Direct-driven type phonograph turntable
JPS5927988B2 (ja) * 1974-06-14 1984-07-10 株式会社東芝 タ−ンテ−ブル装置

Also Published As

Publication number Publication date
DE2643195A1 (de) 1977-04-28
AU506566B2 (en) 1980-01-10
CH607205A5 (enExample) 1978-11-30
AT355333B (de) 1980-02-25
GB1518618A (en) 1978-07-19
IT1080033B (it) 1985-05-16
ZA764503B (en) 1977-07-27
ATA720076A (de) 1979-07-15
JPS5249801A (en) 1977-04-21
FR2328260B1 (enExample) 1978-05-05
AU1798076A (en) 1978-04-06
FR2328260A1 (fr) 1977-05-13
US4072874A (en) 1978-02-07

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