Global Patent Index - EP 1004953 B1

EP 1004953 B1 20070718 - Apparatus for operating a current generator

Title (en)

Apparatus for operating a current generator

Title (de)

Schaltungsanordnung zum Betreiben eines Stromgenerators

Title (fr)

Dispositif de commande d'un générateur de courant

Publication

EP 1004953 B1 20070718 (DE)

Application

EP 98122165 A 19981125

Priority

EP 98122165 A 19981125

Abstract (en)

[origin: EP1004953A1] A circuit arrangement for driving a current generator, in which the current generator (3) is arranged between the poles (+,-) of a power source (1), includes a current mirror circuit (5) for feeding a measurement current (IM) proportional to the generator current (I) into a measurement resistor (RM). Also included is a control device (4) for controlling the voltage drop (US) at the current mirror circuit (U5) to a given desired value (USOLL). The current mirror circuit (5) contains a first transistor (T1) in series with the current generator (3), and a second transistor in series with the measurement resistor (RM).

IPC 8 full level

G05F 3/26 (2006.01)

CPC (source: EP)

G05F 3/262 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 1004953 A1 20000531; EP 1004953 B1 20070718; DE 59814063 D1 20070830

DOCDB simple family (application)

EP 98122165 A 19981125; DE 59814063 T 19981125