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.)
Pioneer Corp
Original Assignee
Pioneer Electronic Corp
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 Pioneer Electronic CorpfiledCriticalPioneer Electronic Corp
Priority to JP16599784ApriorityCriticalpatent/JPS6145431A/ja
Publication of JPS6145431ApublicationCriticalpatent/JPS6145431A/ja
Publication of JPH0514971B2publicationCriticalpatent/JPH0514971B2/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
G11B19/247—Arrangements for providing constant relative speed between record carrier and head using electrical means
G—PHYSICS
G11—INFORMATION STORAGE
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
G11B7/081—Disposition or mounting of heads or light sources relatively to record carriers for time base error correction by moving the light beam