Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Patent
1998-10-09
2000-02-08
Wong, Peter S.
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
323284, 363 21, 363 97, G05F 140, H02M 3335, H02M 324
Patent
active
060231556
ABSTRACT:
Disclosed is a secure data system power supply having an input coupleable to an input voltage line and an output coupleable to a secure data system and providing isolation between the input voltage line and the secure data system such that information communicated within the secure data system is undetectable from the input voltage line. The power supply does not utilize a linear current source for isolation, and thereby greatly reduces power loss. A constant power flyback converter is adapted to be coupled between the input voltage line and the secure data system. The constant power flyback converter takes as an input from the input voltage line a constant power input and provides at a converter output an output signal for use in powering the secure data system. A shunt voltage regulator is coupled to the converter output and maintains the output signal at a substantially constant voltage.
REFERENCES:
patent: 5377091 (1994-12-01), Faulk
patent: 5455757 (1995-10-01), Nguyen et al.
patent: 5680036 (1997-10-01), Faulk
patent: 5854742 (1998-12-01), Faulk
Kalinsky Wayne A.
Webb Kenneth F.
Eppele Klye
O'Shaughnessy James P.
Rockwell Collins, Inc.
Vu Bao Q.
Wong Peter S.
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