Control and monitor signal transmission system

Details Control and monitor signal transmission system Control and monitor signal transmission system

2011-03-22

2011-03-22

Moe, Aung S (Department: 2474)

Multiplex communications

Diagnostic testing

Determination of communication parameters

C370S203000, C370S282000, C710S058000, C710S110000, C710S306000, C388S804000

Reexamination Certificate

active

07911967

ABSTRACT:
A master station has a master-station transmission circuit that extracts a serial monitor signal so as to convert a control data signal into monitor data by changing a duty ratio of negative and positive voltage-level periods, converting the control signal into a serial pulsing voltage signal, transmitting a monitor data signal that is superimposed on the serial pulsing voltage signal, and detecting the presence or absence of a signal of a current that flows during the negative and positive voltage-level periods. A plurality of slave stations respectively have a slave-station transmission circuit that identifies a duty ratio of the positive and negative voltage-level periods relative to each serial pulsing voltage signal, that extracts a control data signal so as to output the data to a controllable unit of the slave station.

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