JPS5322705A - Ro tation danping device of turntable of record players - Google Patents

Ro tation danping device of turntable of record players

Info

Publication number
JPS5322705A
JPS5322705A JP9707176A JP9707176A JPS5322705A JP S5322705 A JPS5322705 A JP S5322705A JP 9707176 A JP9707176 A JP 9707176A JP 9707176 A JP9707176 A JP 9707176A JP S5322705 A JPS5322705 A JP S5322705A
Authority
JP
Japan
Prior art keywords
turntable
danping
tation
record players
generating
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
JP9707176A
Other languages
Japanese (ja)
Other versions
JPS6158910B2 (en
Inventor
Ryuichi Koike
Tsutomu Nakamura
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9707176A priority Critical patent/JPS5322705A/en
Publication of JPS5322705A publication Critical patent/JPS5322705A/en
Publication of JPS6158910B2 publication Critical patent/JPS6158910B2/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
    • G11B19/22—Brakes other than speed-regulating brakes

Abstract

PURPOSE:Revolutions are damped by detecting the revolutions of a turntable and generating an output voltage, also generating an output voltage after switching to the low speed rotation side and generating reverse-rotating torque only while both outputs are being generated.
JP9707176A 1976-08-16 1976-08-16 Ro tation danping device of turntable of record players Granted JPS5322705A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9707176A JPS5322705A (en) 1976-08-16 1976-08-16 Ro tation danping device of turntable of record players

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9707176A JPS5322705A (en) 1976-08-16 1976-08-16 Ro tation danping device of turntable of record players

Publications (2)

Publication Number Publication Date
JPS5322705A true JPS5322705A (en) 1978-03-02
JPS6158910B2 JPS6158910B2 (en) 1986-12-13

Family

ID=14182401

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9707176A Granted JPS5322705A (en) 1976-08-16 1976-08-16 Ro tation danping device of turntable of record players

Country Status (1)

Country Link
JP (1) JPS5322705A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58208970A (en) * 1982-05-31 1983-12-05 Sony Corp Controller of disc rotation
JPS6262472A (en) * 1985-09-13 1987-03-19 Nippon Gakki Seizo Kk Control circuit for disk motor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58208970A (en) * 1982-05-31 1983-12-05 Sony Corp Controller of disc rotation
JPS6262472A (en) * 1985-09-13 1987-03-19 Nippon Gakki Seizo Kk Control circuit for disk motor
JPH043019B2 (en) * 1985-09-13 1992-01-21

Also Published As

Publication number Publication date
JPS6158910B2 (en) 1986-12-13

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