Granted Patent
Utility
US 6,618,684 · App. 09/491,379
System and method for digitally compensating frequency and temperature induced errors in amplitude and phase shift in current sensing of electronic energy meters
Inventors:
Edward J. Beroset, Konstantin Lobastov, Richard William Blasco, Rodney C. Hemminger, Peter W. Heuell, Stig Leira, Valentin Suta, Scott T. Holdsclaw
Patented Case
View Patent ↗
Granted: Sep 9, 2003
Filed: Jan 26, 2000
Inventors
Edward J. Beroset
Konstantin Lobastov
Richard William Blasco
Rodney C. Hemminger
Peter W. Heuell
Stig Leira
Valentin Suta
Scott T. Holdsclaw
Assignee (at issue)
Elster Electricity, LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.