Inventor
DIEFENBACH GERHARD
DE12 patents
⚠️ This page may combine multiple inventors who share the name “DIEFENBACH GERHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILIPS CORP
8 patentsUS6121717ASep 19, 2000
Driving device for at least two rotation elements, which device comprises at least one piezoelectric driving element
PHILIPS CORP35 citations92
US4812691AMar 14, 1989
Device for improving the stability of rotation of the rotor of a single-phase synchronous motor
PHILIPS CORP8 citations73
US4329781AMay 18, 1982
Shaving apparatus having a shear plate with hair-entry apertures and a cutting unit with lead cutters, which unit is drivable relative to the shear plate
PHILIPS CORP16 citations73
US4486697ADec 4, 1984
Reversing device for a two-pole single-phase synchronous motor
PHILIPS CORP10 citations69
US4868435ASep 19, 1989
Single phase synchronous motor vibration apparatus
PHILIPS CORP2 citations62
US4636676AJan 13, 1987
Single-phase synchronous motor with two-pole permanent-magnet rotor
PHILIPS CORP2 citations62
US4606121AAug 19, 1986
Drive mechanism for a vibration-type dry-shaver
PHILIPS CORP4 citations62
US4520286AMay 28, 1985
Appliance driven by an electric motor
PHILIPS CORP3 citations62
KONINKL PHILIPS ELECTRONICS NV
4 patentsUS6455983B2Sep 24, 2002
Piezoelectric motor
KONINKL PHILIPS ELECTRONICS NV9 citations65
US7352108B2Apr 1, 2008
Piezoelectric driving device and a regulation method for a piezoelectric driving device
KONINKL PHILIPS ELECTRONICS NV6 citations61
US6563253B2May 13, 2003
Piezoelectric actuator
KONINKL PHILIPS ELECTRONICS NV3 citations61
US7518285B2Apr 14, 2009
Starting-process controller for starting a piezomotor
KONINKL PHILIPS ELECTRONICS NV0 citations40