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:
Jul. 27, 1999
Filed:
Jul. 08, 1997
Applicant:
Inventors:
Stephan Weber, Munich, DE;
Volker Thomas, Munich, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
327552 ; 327558 ; 327344 ; 333172 ; 330109 ;
Abstract
A low-pass filter circuit including a first sub-filter designed in integrated circuit technology. The first sub-filter includes high-impedance resistor elements and smaller capacitances. A second sub-filter preceding the first sub-filter is constructed with low-impedance resistor elements and higher capacitances.