Patent · US Active

Method for evaluating a potentiometer and circuit arrangement having a potentiometer

US7514939B2 · kind B2 · utility

0Cited by

5References

7Claims

0Family size

Assignee

E.G.O. Elektro-Geraetebau GmbH · DE

Inventors

Ralf Dorwarth · Oberderdingen, DE
Wilfried Schilling · Gondelsheim, DE

Key dates

Filing date	Nov 16, 2007
Grant date	Apr 7, 2009
Priority date	—
Expiry date	Nov 16, 2027

Classification

Technology area (CPC G)Physics
CPC primaryG01D3/08
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A potentiometer (PT1, PT2) has a first terminal (A1), a second terminal (A2) and an intermediate tap (ZA), a resistor being between the first terminal (A1) and the second terminal (A2) irrespective of the position of the potentiometer (PT1, PT2). In an evaluation method, a first drive voltage (GND) and at least one second drive voltage (VS), which is different than the first drive voltage, are applied to the first terminal (A1) and/or the second terminal (A2) and/or a third drive voltage (VS) is applied to the intermediate tap (ZA). The evaluation can be made from the different measurement voltages measured at the terminals.

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