-
公开(公告)号:US4104586A
公开(公告)日:1978-08-01
申请号:US744087
申请日:1976-11-22
摘要: An apparatus which indicates the sequence of a pair of alternating current input signals by determining the sense of a datum crossing in one input signal with respect to the polarity of the other input signal at the time of the datum crossing.
摘要翻译: 一种装置,其通过确定在一个输入信号中的数据相对于另一个输入信号在基准面交叉时的极性的极性的感测来指示一对交流输入信号的顺序。