JPS547301A - Turntable driving device - Google Patents
Turntable driving deviceInfo
- Publication number
- JPS547301A JPS547301A JP7299677A JP7299677A JPS547301A JP S547301 A JPS547301 A JP S547301A JP 7299677 A JP7299677 A JP 7299677A JP 7299677 A JP7299677 A JP 7299677A JP S547301 A JPS547301 A JP S547301A
- Authority
- JP
- Japan
- Prior art keywords
- driving device
- turntable driving
- turntable
- rotor
- afloat
- 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
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 prevent the production of noise by bearings by rotating the rotor mounted with a turntable while supporting afloat the rotor with electromagnetic force.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7299677A JPS547301A (en) | 1977-06-20 | 1977-06-20 | Turntable driving device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7299677A JPS547301A (en) | 1977-06-20 | 1977-06-20 | Turntable driving device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS547301A true JPS547301A (en) | 1979-01-20 |
JPS6148338B2 JPS6148338B2 (en) | 1986-10-23 |
Family
ID=13505527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7299677A Granted JPS547301A (en) | 1977-06-20 | 1977-06-20 | Turntable driving device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS547301A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04220478A (en) * | 1990-12-21 | 1992-08-11 | Okamoto Ind Inc | Biodegradable pressure-sensitive adhesive tape and its production |
-
1977
- 1977-06-20 JP JP7299677A patent/JPS547301A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04220478A (en) * | 1990-12-21 | 1992-08-11 | Okamoto Ind Inc | Biodegradable pressure-sensitive adhesive tape and its production |
Also Published As
Publication number | Publication date |
---|---|
JPS6148338B2 (en) | 1986-10-23 |
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