Patent · US Expired

Circuit for determining and evaluating a data signal on which a direct voltage portion is superposed

US5978422A · kind A · utility

2Cited by

7References

11Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Stephan Weber · Munich, DE
Volker Thomas · Gilching, DE

Key dates

Filing date	Sep 2, 1997
Grant date	Nov 2, 1999
Priority date	—
Expiry date	Sep 2, 2017

Classification

Technology area (CPC H)Electricity
CPC primaryH03K5/084
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

A circuit for determining and evaluating a data signal with a disturbing direct voltage portion has a signal processor with which the direct voltage portion is determined and then subtracted from the signal. A non-linear control is provided that changes a time constant of the circuit in dependence on the signal curve.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.