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公开(公告)号:US3471851A
公开(公告)日:1969-10-07
申请号:US3471851D
申请日:1966-05-02
申请人: SPERRY RAND CANADA
发明人: MACTAGGART DONALD J
IPC分类号: G05B19/408 , H03M1/66 , H03M1/80 , H04L3/00 , H03K13/00
CPC分类号: H03M1/664 , G05B19/408 , G05B2219/33268 , H03M1/665 , H03M1/808