Electricity: power supply or regulation systems – External or operator controlled – Using a three or more terminal semiconductive device as the...
Patent
1981-03-11
1982-08-17
Shoop, William M.
Electricity: power supply or regulation systems
External or operator controlled
Using a three or more terminal semiconductive device as the...
323269, 323284, 323316, G05B 2402
Patent
active
043452000
ABSTRACT:
A circuit, for controlling the output level of a load circuit connected thereto, has a single input for receiving a control signal to provide both a selectable level on/off output signal at a first output connected to an on/off terminal of the load circuit, and a pair of essentially equal control currents drawn in shunt from a pair of output terminals connected to load output-level-setting input terminals. The shunt control currents are provided by a current-mirror circuit having a pair of substantially identical current sinks, each responsive to an input signal applied thereto in parallel from the single control circuit input.
REFERENCES:
patent: 3344339 (1967-09-01), Baude
patent: 3416066 (1968-12-01), Bourreau et al.
patent: 3956645 (1976-05-01), Boer
patent: 4104575 (1978-08-01), Bauer
Bedard James F.
Eichelberger Charles W.
Nati, Jr. Salvatore F.
Bernkopf Walter C.
General Electric Company
Shoop William M.
Wong Peter S.
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