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. 14, 2007
Filed:
Aug. 02, 2004
Applicants:
Bernhard Zojer, Villach, AT;
Joachim Pichler, Landskron, AT;
Maria Giovanna Lagiola, Villach, AT;
Inventors:
Assignee:
Infineon Technologies AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a ring voltage generation circuit for generating a ring voltage (VTR) between a TIP lead () and a RING lead () with minimized power loss for electronic subscriber circuits, comprising: a) an amplifier circuit () which receives an input voltage (VI) for amplifying the input voltage (VI) to provide the ring voltage (VTR);