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. 24, 2010
Filed:
Jun. 30, 2005
Peter Raggam, St.Stefan Im Rosental, AT;
Erich Merlin, Gratkorn, AT;
Peter Raggam, St.Stefan Im Rosental, AT;
Erich Merlin, Gratkorn, AT;
NXP B.V., Eindhoven, NL;
Abstract
In a signal processing circuit () for a contactlessly communicating communication partner device (), there are provided a transmitted-signal path () and a received-signal path (), the received-signal path () branching off from a branch point (AP) present on the transmitted-signal path (), a filter stage () and a matching stage () connected downstream of the filter stage () being provided on the transmitted-signal path (), the filter stage () having a resonant frequency that is in a frequency range the center frequency value of which matches an upper sideband frequency, and the branch point (AP) being situated between the filter stage () and the matching stage ().