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:
Jan. 03, 2017
Filed:
Jul. 03, 2015
Rohde & Schwarz Gmbh & Co. KG, Munich, DE;
Thomas Lutz, Munich, DE;
Matthias Lutz, Munich, DE;
Jens Volkmann, Birnbach, DE;
Albert Moser, Munich, DE;
Kurt Schmidt, Grafing, DE;
Ralf Plaumann, Forstern, DE;
Gottfried Holzmann, Zorneding, DE;
Rohde & Schwarz GmbH & Co. KG, Munich, DE;
Abstract
A measuring device comprises at least one port, an external cable connected to the at least one port, a transmitter connected to the at least one port through a switch, a receiver connected to the at least one port through the switch and a reference path connecting the transmitter with the receiver through the switch. The cable is connected to calibration elements, e.g., short and open. The switch alternately switch in a manner that in a first state the transmitter and the receiver are connected to the at least one port and that in a second state the transmitter and the receiver are connected via the reference path.