Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 12, 2011
Patent Application Number
10582455
Date Filed
November 19, 2004
Patent Primary Examiner
Patent abstract
The function of a lamp circuit is tested by measuring the current and voltage. A resistance value is taken into account which is specified as a polynomial of at least the 1st order depending on the effective measured voltage on the lamp circuit. The parameters of the polynomial are determined by a quantity of measurements which correspond to the order of the polynomial, under operating conditions which are known to differ, and the specific resistance value or a value derived from it are compared with a specified value.
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