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.)
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 filedfiledCritical
Priority to JP8897875ApriorityCriticalpatent/JPS5211905A/ja
Publication of JPS5211905ApublicationCriticalpatent/JPS5211905A/ja
Publication of JPS579148B2publicationCriticalpatent/JPS579148B2/ja
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)
JP8897875A1975-07-181975-07-18Detection apparatus of the rotational frequency of record player
GrantedJPS5211905A
(en)
