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:
Aug. 15, 1995
Filed:
Nov. 23, 1993
Burkhard Schiek, Bochum, DE;
Holger Heuermann, Witten, DE;
Rohde & Schwarz GmbH & Co. KG, Munich, DE;
Abstract
For calibrating a network analyzer having two test ports by successive measurements of the transmission and the reflection parameters on a plurality of calibration standards in any desired order, from which correction values are then calculated that are taken into account in subsequent measurements of a device-under-test, at least five successive calibration measurements with predetermined calibration standards or calibration standards in the form of discrete components according to basic predetermined circuits are performed. A total of 15 correction values is then calculated from the measured values obtained with these calibration standards.