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.)
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 filedfiledCritical
Priority to JP1987080020UpriorityCriticalpatent/JPH0650779Y2/ja
Publication of JPS63188580UpublicationCriticalpatent/JPS63188580U/ja
Application grantedgrantedCritical
Publication of JPH0650779Y2publicationCriticalpatent/JPH0650779Y2/ja
Development of visual-display aid to air navigation(Development of air navigation system using liquid crystals and electronic equipment to determine direction to selected VOR station)[Annual Report, 1 Jan.- 31 Dec. 1971]