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.

Date of Patent:
Jul. 15, 2003

Filed:

Feb. 20, 2001
Applicant:
Inventor:

Valerio Aisa, Fabriano, IT;

Assignee:

WRAP SpA, Fabriano, IT;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 3/136 ; G05D 2/332 ; G04F 1/000 ;
U.S. Cl.
CPC ...
G01R 3/136 ; G05D 2/332 ; G04F 1/000 ;
Abstract

A method for estimating the duration of the interruptions in the supply from the electric mains in an electric appliance having an electronic control, in particular a household appliance, includes the steps of (a) on the occasion of an interruption of the supply voltage of the apparatus, measuring and storing the value of at least one quantity that is characteristic of the operating status of the apparatus; (b) on the occasion of the restoration of the supply voltage, measuring the current value of the at least one characteristic quantity; (c) comparing the stored value and the current value of the at least one characteristic quantity; and (d) estimating, on the basis of the comparison, the duration of the interruption of the supply voltage.


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