Electricity: single generator systems – Automatic control of generator or driving means – Voltage of generator or circuit supplied
Patent
1992-05-12
1994-03-29
Stephan, Steven L.
Electricity: single generator systems
Automatic control of generator or driving means
Voltage of generator or circuit supplied
H02P 900
Patent
active
052988511
ABSTRACT:
A single integrated circuit for multiple vehicle voltage regulator applications is inexpensive, programmable and responsive to mixed signals. The integrated circuit provides both analog and digital functions, and uses a single voltage comparator serving all comparator functions. A variety of features are included with the single integrated circuit in order to permit the programmable, mixed signal and multiple application characteristics of the device. Among the features are the provision for a single voltage comparator that serves all comparator functions, logic gates for preventing the simultaneous activation of fixed reference divider analog switches to eliminate current transients, the use of a single TC diode for thermal shut down and multiple temperature compensation curves with different voltage versus temperature rate of change parameters, a single band gap referenced shunt regulator circuit to serve as both a power source to the integrated circuit and as a precision reference voltage for the comparator, and a selectable load control function to gradually apply the field voltage at a programmable rate consisting of reversible and "up" binary counters with associated logic to prevent abrupt torque loads on the driving engine caused by the activation of electrical loads.
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Dougherty Thomas M.
Stephan Steven L.
Transpo Electronics, Inc.
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