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
Priority claimed from JP5028239Aexternal-prioritypatent/JP2508955B2/ja
Application filed by Sony CorpfiledCriticalSony Corp
Application grantedgrantedCritical
Publication of TW246731BpublicationCriticalpatent/TW246731B/zh
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