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:
Apr. 03, 2007
Filed:
Jan. 28, 2005
Applicants:
Robert Aigner, Unterhaching, DE;
Juha Sakari Ellae, Halikko, FI;
Stephan Marksteiner, Neubiberg, DE;
Hans-jörg Timme, Ottobrunn, DE;
Inventors:
Robert Aigner, Unterhaching, DE;
Juha Sakari Ellae, Halikko, FI;
Stephan Marksteiner, Neubiberg, DE;
Hans-Jörg Timme, Ottobrunn, DE;
Assignee:
Infineon Technologies AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
A filter circuit comprises a balanced port, an unbalanced port and a substrate. A series circuit of a filter stage and a balun is disposed between the balanced port and the unbalanced port. The balun and the filter stage are formed on the substrate.