Industry Patents

Patent: 6346778

AC Power Converter

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Patent Number: 6346778 
Title: AC Power Converter 
Abstract: A power converter is disclosed. In one embodiment, the power converter includes an input for receiving a supply power; a switching device for controlling of power delivered to an output load; a controller for controlling the operation of the switching device; a first and second sensing circuit for providing first and second signals indicative of voltage and current inputs, respectively, to the converter; and a detector to detect a difference in polarity between the first and second signals; wherein the switching device is operable to switch between a first and second state, the first state being `on` and the second state being `off`, and wherein the controller causing the switching device to be in the first state responsive to a detected difference in polarity between the signals to thereby dissipate a residual energy in the power converter.  
Country of Issue: US 
First Named Inventor: Mason, Yao 
Assignee: Bytecraft 
Continuation or Divisional of:  
International Classification: G05F 1/00 
US Classification: 315/291 
Issue Date: 02-12-2002 
Filing Date: 01-19-1999 
Application : 09/233245 
Notes:  
Link to Patent at freepatentsonline.com: 6346778 at Freepatentsonline 
Link to World Patent Family1: World Patent Family at European Patent Office 
Link to Google Patents1: 6346778 at Google Patents 

 

1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.

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