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:
Sep. 22, 2015
Filed:
Feb. 18, 2011
Applicants:
Edgar Schmidhammer, Stein an der Traun, DE;
Veit Meister, Unterhaching, DE;
Gerhard Zeller, Munich, DE;
Inventors:
Edgar Schmidhammer, Stein an der Traun, DE;
Veit Meister, Unterhaching, DE;
Gerhard Zeller, Munich, DE;
Assignee:
Qualcomm Technologies, Inc., San Diego, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06G 7/12 (2006.01); G01R 27/06 (2006.01);
U.S. Cl.
CPC ...
G01R 27/06 (2013.01);
Abstract
A detector circuit can be used for determining the reflection coefficients of HF signals in a signal path. The detector circuit includes a bidirectional hybrid coupler, logarithmic amplifiers connected to the hybrid couple, and a subtractor having an offset connection.