Communications: electrical – Continuously variable indicating – With meter reading
Patent
1982-12-27
1983-11-15
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
307270, 307570, H04Q 900, H03K 1700
Patent
active
044158947
ABSTRACT:
Improved switching circuitry for use in connecting a remote control signal circuit to an electrically powered circuit wherein power for the remote control signal circuit is provided by the electrically powered circuit. Power metal-oxide-semiconductor field-effect transistors (MOS-FETs) are connected to a control signal output of the control signal circuit and provide the function of at least one diode of a full-wave rectifier bridge in the switching circuitry. The MOS-FETs respond to a logic 1 control signal to establish a low impedance path across the output of the full-wave rectifier that is connected to the electrically powered circuit.
REFERENCES:
patent: 3970869 (1976-07-01), Coats, Jr.
patent: 4068135 (1978-01-01), Sonobe et al.
patent: 4213065 (1980-07-01), Marcom
patent: 4303907 (1981-12-01), Wilson
patent: 4356416 (1982-10-01), Weischedel
patent: 4360744 (1982-11-01), Taylor
Dressler Daryl D.
Fiala Jimmy L.
Marben Robert L.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Smith James A.
Yusko Donald J.
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