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Dive into the research topics where Christian Dr. Hoffmann is active.

Publication


Featured researches published by Christian Dr. Hoffmann.


Archive | 1996

Driving at least one capacitive positioning element esp. piezoelectrically driven fuel injection valve for IC engine

Christian Dr. Hoffmann; Hellmut Freudenberg; Hartmut Gerken; Martin Hecker; Richard Pirkl


Archive | 2004

Monitoring electromechanical actuator, especially piezo-actuator for injector, involves controlling actuator with electrical test signal with alternating component when determining actuator operating parameter

Christian Dr. Hoffmann; Manfred Weigl; Jörg Wonesch


Archive | 1997

Piezoelectric fuel injector regulator for IC engine

Hartmut Gerken; Ralf Foerster; Martin Hecker; Richard Pirkl; Christian Dr. Hoffmann; Helmut Freudenberg


Archive | 1997

Device for driving at least one capacitive control element e.g. for use with motor vehicle IC engine fuel-injection valve

Christian Dr. Hoffmann; Hellmut Freudenberg; Hartmut Gerken; Georg Dr Brausseur; Patrick Kamaromi


Archive | 1994

Photographic document marking appts. for installation layout having machine readable code

Christian Dr. Hoffmann; Klaus-Dieter Dipl Ing Kamsties; Juergen Dr Ing Lockau


Archive | 2002

Verfahren und Vorrichtung zur dreidimensionalen Erfassung von Objekten sowie Verwendung der Vorrichtung und des Verfahrens

Frank Forster; Christian Dr. Hoffmann; Peter Rummel


Archive | 1997

Device and method for controlling at least one capacitive actuator/final control element e.g. for motor vehicle fuel injection system

Hartmut Gerken; Christian Dr. Hoffmann; Hellmut Freudenberg; Richard Pirkl; Martin Hecker


Archive | 2000

Method for controlling a capacitive actuator of a fuel injection valve in an engine

Helmut Freudenberg; Hartmut Gerken; Martin Hecker; Christian Dr. Hoffmann; Richard Pirkl


Archive | 2008

Line safety switch or circuit-breaker comprise input terminal and output terminal, which are connected by current path, where device measures phase of alternating current

Christian Albrecht; Ludwig Birkl; Harald Heil; Paul Herma; Christian Dr. Hoffmann; Wolfgang Pilsl; Thomas Ritzer


Archive | 2003

Method and apparatus for setting a return stroke of a piezoelectric actuator

Hartmut Gerken; Christian Dr. Hoffmann; Wolfgang Lingl; Richard Pirkl

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