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.)
Omron Corp
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
Tateisi Electronics Co
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 Nippon Telegraph and Telephone Corp, Tateisi Electronics CofiledCriticalNippon Telegraph and Telephone Corp
Priority to JP7489679ApriorityCriticalpatent/JPS5618A/ja
Publication of JPS5618ApublicationCriticalpatent/JPS5618A/ja
Publication of JPH0143377B2publicationCriticalpatent/JPH0143377B2/ja