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:
Nov. 06, 2001
Filed:
Nov. 08, 1999
Applicant:
Inventors:
Andreas Bergmann, Haiming, DE;
Peter Müller, München, DE;
Assignee:
Siemens Matsushita Comp. GmbH & Co. KG, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 9/72 ; H03H 9/64 ; H03H 9/52 ;
U.S. Cl.
CPC ...
H03H 9/72 ; H03H 9/64 ; H03H 9/52 ;
Abstract
A SAW duplexer having an impedance transformation network in a form of a series capacitance in at least one filter path.