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 US08/664,445external-prioritypatent/US5883621A/en
Priority claimed from US08/747,452external-prioritypatent/US5793366A/en
Application filed by Sony Electronics, Inc.filedCriticalSony Electronics, Inc.
Priority claimed from PCT/US1997/011526external-prioritypatent/WO1997049057A2/en
Publication of HK1020645A1publicationCriticalpatent/HK1020645A1/zh
Publication of HK1020645BpublicationCriticalpatent/HK1020645B/zh