公开(公告)号：US3634762A

公开(公告)日：1972-01-11

申请号：US3634762D

申请日：1970-01-28

Applicant: COMPTEURS COMP D

Inventor： QUERON CLAUDE-AUGUSTE

IPC: G01R25/00 ,  H03K5/26

CPC classification number: H03K5/26 ,  G01R25/00

Abstract: Phase comparing process and device in which the alternations of both a reference electric magnitude and an electric magnitude to be checked are converted into rectangular pulses, then the rectangular pulse corresponding to the magnitude to be checked is derivated, in order to determine whether or not there exists a time coincidence between said derivative and each rectangular signal corresponding to the reference electric magnitude.

Abstract translation: 相位比较过程和装置，其中将要检查的参考电幅值和电量值的变化转换为矩形脉冲，然后导出与要检查的幅度对应的矩形脉冲，以便确定是否存在 存在所述导数与对应于参考电幅度的每个矩形信号之间的时间重合。