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:
Jul. 26, 1994
Filed:
Jul. 01, 1993
Applicant:
Inventor:
Detlef Koertge, Nuremberg, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05G / ;
U.S. Cl.
CPC ...
378109 ; 378110 ; 378101 ;
Abstract
A circuit arrangement for accurately measuring the x-ray tube current substantially eliminates measurement errors by taking the displacement current caused by the capacitance of the high-voltage cable into account in the measurement. A test voltage is taken across a precision resistor. Another voltage is tapped at a location which includes the high-voltage cable capacitance and is supplied to a status monitor which differentiates this voltage and generates a voltage signal which is superimposed on the test voltage for forming a current signal which accurately represents the x-ray tube current.