Patent · US Active

Electronic motor vehicle control system with current measuring circuit

US8664936B2 · kind B2 · utility

1Cited by

0References

24Claims

0Family size

Assignee

Continental Teves AG & Co. OHG · DE

Inventors

Peter Oehler · Scheinfeld, DE
Frank Michel · Rosbach, DE
Micha Heinz · Darmstadt, DE
Axel Schmitz · Gommiswald, CH

Key dates

Filing date	Mar 25, 2009
Grant date	Mar 4, 2014
Priority date	—
Expiry date	Mar 13, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH03M3/456
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

The invention relates to an electronic motor vehicle control system having at least one valve actuating circuit which controls a load current by means of pulse width modulation. The actuating circuit has at least one electronic current measuring circuit which has at least one measurement path with at least one analog/digital converter. The analog/digital converts an analog measurement signal of the load current into a digital measurement signal of the load current and is actuated or designed in such a way as to carry out a plurality of current measurements per PWM period. The at least one measurement path of the current measurement circuit has a signal conservation circuit which provides the analog measurement signal of the load current substantially unchanged, and independent of the actual load current, for at least a defined hold time (toff->on, ton->off).

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