Electric power conversion systems – Current conversion – Having plural converters for single conversion
Patent
1995-11-29
1997-01-21
Nguyen, Matthew V.
Electric power conversion systems
Current conversion
Having plural converters for single conversion
345 8, H02M 700, G09G 302
Patent
active
055964915
ABSTRACT:
A power supply for providing, from a low voltage source, a high voltage supply for a display device comprises first and second physically separate modules and an electrical conductor therebetween. The first module is adapted to be connected to the low voltage source and contains circuitry operating at low voltage. The second module provides said high voltage supply and contains circuitry operating at high voltage. The electrical conductor between the two modules carries current only at low voltage. This arrangement permits safe disconnection of the power supply, for instance in emergency situations, by breaking the low voltage connection, rather than having to break a high voltage connection. A preferred use of the power supply is to provide a high voltage supply to a display device incorporated into a helmet.
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patent: 4878046 (1989-11-01), Smith
patent: 5161241 (1992-12-01), Kanai
patent: 5259800 (1993-11-01), Fields
patent: 5272612 (1993-12-01), Harada et al.
patent: 5343313 (1994-08-01), Fergason
patent: 5408393 (1995-04-01), Becker
patent: 5515070 (1996-05-01), Kawada
Examination Report EPO Counterpart Application.
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