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Dive into the research topics where Martin Frei is active.

Publication


Featured researches published by Martin Frei.


Archive | 1995

Device for the electronic control of a darkening device

Torsten Meyer-Staufenbiel; Martin Frei; Thorsten Dipl.-Ing. Roesner; Michael Dipl.-Ing. Straeter; Dieter Sorg


Archive | 1998

Circuit system for connecting an electrical consumer with an alternating-voltage source

Matthias Karl; Martin Frei


Archive | 1995

Device for acquisition of rotary movement from a gear or cam wheel.

Torsten Meyer-Staufenbiel; Martin Frei; Hussam Helmi; Michael Dipl.-Ing. Straeter; Dieter Sorg


Archive | 1995

Electric actuation unit for a light-blocking device

Torsten Meyer-Staufenbiel; Martin Frei; Michael Dipl.-Ing. Straeter; Dieter Sorg


Archive | 1998

Device for controlling the movement of a driving belt for a roller shutter

Torsten Meyer-Staufenbiel; Martin Frei; Dipl. Michael Ing Straeter; Dipl. Dieter Ing Sorg


Archive | 1998

Radio remote control device for the control of electrical consumers at or within a building

Uwe Baerenwaldt; Peter Bolz; Peter Buehner; Martin Frei; Hussam Helmi; Martina Hoefelschweiger; Paul Layes; Hermann Roehlk; Dieter Sorg


Archive | 1995

Electric drive device for a traction member, in particular for a roller shutter belt

Torsten Meyer-Staufenbiel; Martin Frei; Dipl. Hussam Ing Helmi; Dipl. Michael Ing Straeter; Dipl. Dieter Ing Sorg


Archive | 2009

Emergency telephone has emergency call button which is pressed to set emergency call to destination address, where memory device is formed to be removed from housing and to be inserted again or replaced by another memory device

David Elter; Martin Frei; Jean-Paul Geissbuehler; Daniel Perrenoud; Markus Reis; Ludovic Stauffer; Peter Theunissen; Markus Thuersam


Archive | 1998

Schaltungsanordnung zum Verbinden eines elektrischen Verbrauchers mit einer Wechselspannungsquelle Circuit arrangement for connecting an electrical consumer to an AC voltage source

Matthias Karl; Martin Frei


Archive | 1998

Circuit arrangement for connecting an electrical consumer to an AC voltage source

Matthias Karl; Martin Frei

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