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Dive into the research topics where Hans-Joachim Frohne is active.

Publication


Featured researches published by Hans-Joachim Frohne.


Archive | 2003

Motor vehicle ignition lock system has key carrying element that can move linearly like sliding element with first and at least one second movement position forming carrying element latching points

Ralf Borngräber; Hans-Joachim Frohne; Karl Müller; Ekkehard Sachs; Thomas Schwarz


Archive | 1999

Operating device for motorised sunroof of motor vehicle, has rotary switch for opening roof with rocking position for operating sun blind

Hans-Joachim Frohne; Ralf Wollenhaupt


Archive | 2000

Setting switch for electric adjustment of automobile passenger seat has setting wheel rotated for corresponding adjustment of backrest inclination angle

Hans-Joachim Frohne; Ralf Wollenhaupt


Archive | 1999

Motor vehicle safety device has switch connected to interact logically with ignition switch or ignition position of ignition lock so deactivation can only take place with ignition lock activated

Hans-Joachim Frohne; Ralf Wollenhaupt; Sven Koch; Marcus Kuhlendahl


Archive | 2000

Light switch unit

Hans-Joachim Frohne; Klaus Bischoff


Archive | 2006

Ignition lock for a motor vehicle and method of operating an ignition lock system

Hans-Joachim Frohne; Ralf Borngräber; Steffen Buhl; Dennis Messmer; Thomas Schwarz


Archive | 2003

Ignition lock system for a vehicle

Thomas Schwarz; Karl Mueller; Ekkehard Sachs; Hans-Joachim Frohne; Ralf Borngraeber


Archive | 2005

Electrical switch with integrated illumination and functional display for multiple switching and a symbol showing different colors useful for internal illumination of automobiles

Hans-Joachim Frohne; Karl-Thomas Neumann


Archive | 2004

Switch state display, e.g. for turn indicator in motor vehicle, has symbol divided into regions which can be independently illuminated or controlled to emit light

Ralf Borngräber; Hans-Joachim Frohne; Stefan Zoller


Archive | 2006

Ignition lock system for an automobile

Steffen Buhl; Thomas Schwarz; Dennis Messmer; Hans-Joachim Frohne; Ralf Borngräber

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