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. 24, 2001
Filed:
Jan. 08, 1999
Applicant:
Inventor:
Peter Menke, Erlangen, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 3/100 ;
U.S. Cl.
CPC ...
G01R 3/100 ;
Abstract
The inventive method employs the −/+ division for intensity norming but forms the quotient from the signal difference and the signal sum not from component signals (L,, L,) generated by the sensor but—inventively —with signals (L,′, L,′) derived therefrom that exhibit periodically fluctuating intensity parts (I,′AC, I,′AC) of the same amplitude amount (|A|). The invention largely unites the advantages of −/+ division with those of AC/DC division.