초록 ▼

An electrical device control system comprising: a plurality of signal sources; a plurality of electrical loads; a central operation apparatus; a plurality of terminal operation apparatus connected to the plurality of electrical loads and having means to detect the operation and a fault of the signal

An electrical device control system comprising: a plurality of signal sources; a plurality of electrical loads; a central operation apparatus; a plurality of terminal operation apparatus connected to the plurality of electrical loads and having means to detect the operation and a fault of the signal source and a fault of the electrical load and to generate a time division signal thereof; a multiple signal transmission line connecting the plurality of terminal operation apparatus to the central operation apparatus to transmit the time division signal to the central operation apparatus; the central operating apparatus having means to generate an activating signal for transmission over the multiple signal transmission line to the terminal station apparatus to operate an electrical load in response to the detection of the time division signal.

대표청구항 ▼

An electrical device for controlling and monitoring loads comprising: a central operation apparatus comprising: a timing part, a control part, an operating part, a memory part, an input-output operating part, means connecting the timing part to the control part and to the input-output operating part

An electrical device for controlling and monitoring loads comprising: a central operation apparatus comprising: a timing part, a control part, an operating part, a memory part, an input-output operating part, means connecting the timing part to the control part and to the input-output operating part, means connecting the control part to the operating part and to the memory part, means connecting the operating part and the memory part, means connecting the memory part and the input-output operating part, means connecting the input-output operating part and a multiple signal transmission line, a first electrical load, a first terminal operation apparatus comprising: an input-output operating part, a signal separating part, a return signal composing part, a driving part, a return signal generating part, means connecting the multiple signal transmission line and the input-output operating part, means connecting the input-output operating part to the signal separating part, means connecting the signal separating part to the driving part, means connecting the signal separating part to the return signal composing part, means connecting the driving part to the first electrical load, means connecting the driving part to the return signal generating part, means connecting the first electrical load to the return signal generating part, means connecting the return signal generating part to the return signal composing part, means connecting the return signal composing part to the input-output operating part, a signal source control switch, a second terminal operation apparatus comprising: an input-output operating part, a signal separating part, a return signal composing part, a return signal generating part, means connecting the multiple signal transmission line and the input-output operating part, means connecting the input-output operating part to the signal separating part, means connecting the signal separating part to the return signal composing part, means connecting the signal source control switch to the return signal generating part, means connecting the return signal generating part to the return signal composing part, means connecting the return signal composing part to the input-output operating part.