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. 08, 1997
Filed:
Apr. 24, 1995
Applicant:
Inventor:
Josef Bauregger, Aying, DE;
Assignee:
Siemens Matsushita Components GmbH & Co. KG, Munich, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H / ;
U.S. Cl.
CPC ...
333195 ; 333150 ; 333193 ; 333196 ; 3103 / ;
Abstract
A filter operating with acoustical harmonic waves includes at least one resonator being formed of an interdigital converter and reflectors. An electrical resistor is connected parallel to at least one filter component for protecting against electrostatic discharge from contact with electrostatically charged parts. The electrical resistor is integrated with one or both of the reflectors of the resonator.