Electricity: electrical systems and devices – Safety and protection of systems and devices – Load shunting by fault responsive means
Patent
1990-01-23
1993-03-16
DeBoer, Todd E.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Load shunting by fault responsive means
361 58, 361111, 257 2, 257356, H02H 904
Patent
active
051950103
ABSTRACT:
A protection circuit for a solid state instrument includes a plurality of fuses and a switching device arranged in parallel with the input capacitance of the solid state instrument, The fuses protect the instrument from high voltage surges, and the switching device protects the instrument from lower voltage surges. The fuses and the switching device are solid state devices and thus can be fabricated along with the solid state instrument.
REFERENCES:
patent: 4322777 (1982-03-01), Ueta et al.
patent: 4438365 (1984-03-01), Atkinson
patent: 4527213 (1985-07-01), Ariizumi
patent: 4763184 (1988-08-01), Krieger et al.
patent: 4875130 (1989-10-01), Huard
Deboer Todd E.
Hallacher L. L.
Irlbeck D. H.
Thomson S.A.
Tripoli J. S.
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