Device for switching between an A.C. voltage and a D.C. voltage

Details Device for switching between an A.C. voltage and a D.C. voltage Device for switching between an A.C. voltage and a D.C. voltage

1997-03-27

1999-06-01

Wong, Peter S.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

323299, 323908, H02M 542

Patent

active

059093641

ABSTRACT:
The present invention relates to a switching device for selecting a voltage between an a.c. voltage and a d.c. voltage using the ground as a reference, meant to be controlled by a two-state signal, using the ground as a reference and of the same sign as the d.c. voltage, including means for adjusting the turn-on time of a switch in the selection of the d.c. voltage.

REFERENCES:
patent: 5428267 (1995-06-01), Peil
patent: 5430637 (1995-07-01), Buck
Patent Abstracts of Japan, vol. 018, No. 345 (E-1571), Jun. 29, 1994 & JP-A-06 086553 (Sony Corp.).

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