The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 1981
Filed:
Nov. 02, 1979
Applicant:
Inventors:
Gernot Schneider, Baar, CH;
Benedikt Steinle, Zug, CH;
Assignee:
LGZ Landis & Gyr Zug AG., Zug, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R / ;
U.S. Cl.
CPC ...
364483 ; 324142 ;
Abstract
An apparatus for measuring a.c. power which subtracts an average value of current and voltage from sampled instantaneous current and voltage values, respectively. The resultant current and voltage values are multiplied, so as to obtain a power measurement substantially free of any sampling errors and any d.c. levels.