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.)
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co LtdfiledCriticalMatsushita Electric Industrial Co Ltd
Priority to JP13748179ApriorityCriticalpatent/JPS5661064A/ja
Priority to US06/109,493prioritypatent/US4351044A/en
Priority to EP80100099Aprioritypatent/EP0013903B1/en
Priority to DE8080100099Tprioritypatent/DE3065735D1/de
Publication of JPS5661064ApublicationCriticalpatent/JPS5661064A/ja
Publication of JPS6236300B2publicationCriticalpatent/JPS6236300B2/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
G11B19/24—Arrangements for providing constant relative speed between record carrier and head
Landscapes
Rotational Drive Of Disk
(AREA)
JP13748179A1979-01-091979-10-23Recording device using disc shape recording medium
GrantedJPS5661064A
(en)