| 摘要 |
FIELD: information technology. ^ SUBSTANCE: device has a transmitting side which is in form of a paraphase signal generator, and a receiving side having a band-pass filter, a detector, a DC low-pass filter, and a threshold unit. The transmitting and receiving sides can be connected by a transmission line in form of a twisted pair in a shield. ^ EFFECT: high reliability and noise immunity. ^ 3 dwg |
