Company
Patents
In the past various designs of ours in which we contributed were patented or are patent pending. A summary is listed below.
US6885117 Piëzo magnetic actuator which amplifies the stroke of the Piëzo element by means of a low stiffness magnetic circuit.
US7061587 Method for implementation of amplifier voltage feed forward control based on actuator properties and motion parameters
US7084956 Passive low stiffness magnet system which is used as a reference sensor for vibration and isolation damping
US7126666 Passive low stiffness linear magnetic bearing for compensation of gravity with added actuators (e.g. Lorentz) for position/stiffness control
US7145634 Miniature torque actuator with torsion bar support and position dependent torsion stiffness compensation
US7184123 Enclosed linear guiding and moving magnet actuator system for optical elements suitable for ultra pure Nitrogen environment
US7259832 Linear moving magnet actuator with very low parasitic forces
US7280182 Method for reducing acceleration times and peak force in two-stage actuator systems
US7307689 Linear iron less moving magnet actuator with very low parasitic forces
US7385678 Linear motor which partly compensates torque on bearing system caused by acceleration forces
US7385679 Linear guiding moving magnet actuator system with gas bearing capable of high acceleration forces
US7541699 Magnet array (alternative to Halbach array) to be used in linear or planar motors capable of generating very high magnetic flux density
US20040257548 Method for reducing acceleration times and peak force in two-stage actuator systems
US20050008978 Coating of coils or magnets to reduce outgassing
US20050094118 Linear iron less moving magnet actuator with very low parasitic forces
US20060072098 Linear motor which partly compensates torque on bearing system caused by acceleration forces
US20060279141 Passive low stiffness linear magnetic bearing for compensation of gravity
US20060139615 Linear guiding moving magnet actuator system with gas bearing capable of high acceleration forces
US20060139617 Linear moving magnet actuator with very low parasitic forces
US20070145831 Magnet array (alternative to Halbach array) to be used in linear or planar motors capable of generating very high magnetic flux density
WO2009054724 Compact low frequency passive geophone design with high sensitivity
NL2000666 Moving magnet actuator with improved efficiency and reduced reluctance forces
