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 JP12537682Aexternal-prioritypatent/JPS5916178A/en
Priority claimed from JP57125888Aexternal-prioritypatent/JPS5919278A/en
Priority claimed from GB08319405Aexternal-prioritypatent/GB2124012B/en
Application filed by Sony CorpfiledCriticalSony Corp
Publication of SG12287GpublicationCriticalpatent/SG12287G/en