Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Patent
1993-10-28
1996-06-11
Wong, Peter S.
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
323300, 363 89, 363124, G05F 140, H02M 7155
Patent
active
055258964
ABSTRACT:
An electrical system for supplying power from a source of alternating current to a gauge system functions as a half wave rectifier below a selected current level. The system prevents the rise of current above the selected current level and once that selected level is reached, reduces the time that the current flows to approximately one-fourth of the waveform of the alternating current.
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patent: 4161022 (1979-07-01), Kanazawa et al.
patent: 4768142 (1988-08-01), Pasma
patent: 4945465 (1990-07-01), Marinus
patent: 5055994 (1991-10-01), Schoofs
Berhane Adolf
Wong Peter S.
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