JPS547904A - Turntable driving mechanism - Google Patents

Turntable driving mechanism

Info

Publication number
JPS547904A
JPS547904A JP7299877A JP7299877A JPS547904A JP S547904 A JPS547904 A JP S547904A JP 7299877 A JP7299877 A JP 7299877A JP 7299877 A JP7299877 A JP 7299877A JP S547904 A JPS547904 A JP S547904A
Authority
JP
Japan
Prior art keywords
driving mechanism
turntable driving
turntable
suctions
electromagnets
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
JP7299877A
Other languages
Japanese (ja)
Other versions
JPS6158905B2 (en
Inventor
Shigeru Tanaka
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP7299877A priority Critical patent/JPS547904A/en
Publication of JPS547904A publication Critical patent/JPS547904A/en
Publication of JPS6158905B2 publication Critical patent/JPS6158905B2/ja
Granted 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

Landscapes

  • Rotational Drive Of Disk (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

PURPOSE:To improve the acoustic characteristics while leaving the construction simple, by floating the rotor of an electric motor, which is connected directly to a turntable, to a preset extent under a balanced condition by the suctions of electromagnets which are divided into at least three components.
JP7299877A 1977-06-20 1977-06-20 Turntable driving mechanism Granted JPS547904A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7299877A JPS547904A (en) 1977-06-20 1977-06-20 Turntable driving mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7299877A JPS547904A (en) 1977-06-20 1977-06-20 Turntable driving mechanism

Publications (2)

Publication Number Publication Date
JPS547904A true JPS547904A (en) 1979-01-20
JPS6158905B2 JPS6158905B2 (en) 1986-12-13

Family

ID=13505584

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7299877A Granted JPS547904A (en) 1977-06-20 1977-06-20 Turntable driving mechanism

Country Status (1)

Country Link
JP (1) JPS547904A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009159667A (en) * 2007-12-25 2009-07-16 Kayaba Ind Co Ltd Electric motor
JP2011024385A (en) * 2009-07-17 2011-02-03 Tokyo Univ Of Science Double rotor structure magnetic support motor and turntable mounted with the same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991002353A1 (en) * 1989-07-31 1991-02-21 Tetsurou Makita Record player of magnetic levitation and control type

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009159667A (en) * 2007-12-25 2009-07-16 Kayaba Ind Co Ltd Electric motor
JP2011024385A (en) * 2009-07-17 2011-02-03 Tokyo Univ Of Science Double rotor structure magnetic support motor and turntable mounted with the same

Also Published As

Publication number Publication date
JPS6158905B2 (en) 1986-12-13

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