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.)
Japan Radio Co Ltd
Mitsubishi Electric Corp
Nagano Nihon Musen KK
Original Assignee
Japan Radio Co Ltd
Mitsubishi Electric Corp
Nagano Nihon Musen KK
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 Japan Radio Co Ltd, Mitsubishi Electric Corp, Nagano Nihon Musen KKfiledCriticalJapan Radio Co Ltd
Priority to JP56107878ApriorityCriticalpatent/JPS5810083A/ja
Priority to PCT/JP1982/000261prioritypatent/WO1987000875A1/ja
Priority to US06/474,642prioritypatent/US4584954A/en
Publication of JPS5810083ApublicationCriticalpatent/JPS5810083A/ja
Publication of JPS6121436B2publicationCriticalpatent/JPS6121436B2/ja
Priority to US07/396,182prioritypatent/US4920905A/en