Patents
Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251)
03/1996
03/07/1996DE19526252A1 Piezo-electric micrometric actuator.
03/06/1996EP0700103A1 Actuator built-in apparatus
02/1996
02/29/1996WO1996006482A1 Piezoelectric vibrator for ultrasonic wave motor, production method thereof, method of mounting piezoelectric vibrator and ultrasonic wave motor
02/29/1996DE4422309A1 Kinetic and potential energy recovery from moving mass of fluid e.g. for wind-power and water-power plants
02/27/1996US5495152 Frequency signal control circuit and vibration type motor apparatus using same
02/27/1996US5494543 Process for producing vibrator for piezoelectric motor
02/20/1996US5493164 Surface acoustic wave motor
02/20/1996US5493163 Lens driving device employing vibration motor with backlash compensation
02/20/1996CA2096119C Piezoelectric and electrostrictive actuators
02/08/1996DE4427760A1 Travelling-wave motor with cylindrical rotor e.g. for parking brake
02/07/1996EP0696073A1 Vibration actuator
02/07/1996EP0696072A1 Vibration driven motor
02/01/1996WO1996002950A1 Miniature linear motion actuator
02/01/1996DE4425443C1 Phoropter for eyesight testing
02/01/1996CA2195210A1 Miniature linear motion actuator
01/1996
01/24/1996EP0693824A1 Piezoelectric vibrator with an improved supporting structure
01/24/1996EP0693821A1 A method for driving an ultrasonic motor
01/18/1996DE4432249C1 Piezoelectric displacement device
01/18/1996DE4417158C1 Piezoelectric setting device providing rotary movement
01/16/1996US5484216 Supporting device for a vibration driven actuator
01/11/1996DE19522287A1 Herstellungsverfahren für Planar-Mikromotoren Preparation for Planar micromotors
01/10/1996EP0691692A1 Vibration driven motor
01/02/1996US5481184 Movement actuator/sensor systems
12/1995
12/26/1995US5479064 Piezoelectric actuator with a displacement enlarging feature
12/26/1995US5479063 Driving device for ultrasonic wave motor
12/26/1995US5479062 Piezo actuator driving circuit
12/21/1995WO1995034944A1 Piezoelectric actuator device
12/19/1995US5477100 Vibration type motor system
12/19/1995US5477099 Driving device for ultrasonic wave motor
12/14/1995WO1995034097A1 Circuit for supplying a piezoelectric motor
12/12/1995US5475288 Drive circuit for an ultrasonic motor having noise cancellation metals and method for using same
12/07/1995DE4418397A1 Vehicle electrical braking system
12/06/1995EP0610223B1 Process and device for regulating the frequency of a travelling wave motor
12/05/1995US5473215 Position detector of the rotor of a piezo-electric motor
12/05/1995US5472662 Method for manufacturing a stator for an ultrasonic motor
11/1995
11/28/1995US5471108 Realization process of a distribution network of electric signals, obtained distribution network and piezoelectric motor including such a network
11/15/1995EP0682403A1 Micromotor
11/14/1995US5466166 Ejection mechanism
11/07/1995US5465021 Electromechanical displacement device and actuator suitable for use in such a electromechanical displacement device
11/01/1995CN1111020A Position detector of the rotor of a piezo-electric motor
10/1995
10/31/1995US5463265 Vibration driven motor
10/24/1995US5461274 Humidity-sensitive actuator
10/24/1995US5461273 Method and an apparatus for controlling a moving velocity of an ultrasonic motor
10/19/1995DE19503235A1 Fast action switching for short circuit isolation
10/17/1995US5459370 Vibration type motor device
10/17/1995US5459369 Control apparatus for travelling wave driven motor
10/11/1995EP0676558A1 Stiff actuator active vibration isolation system
10/11/1995EP0453464B1 Control valve for a faucet and use of ultrasonic motor
10/11/1995CN1030025C 电气牵引电动机 Electric traction motor
10/10/1995US5457362 Process and device for controlling the frequency of a traveling wave motor
10/10/1995US5457351 Ultrasonic motor
10/05/1995CA2146200A1 Stiff actuator active vibration isolation system
10/04/1995EP0675589A1 Driving apparatus using transducer
10/04/1995EP0675355A1 Sensor element and particle sensor
10/03/1995US5455478 Vibration wave driven apparatus
10/03/1995US5455477 Encased piezoelectric actuator
09/1995
09/28/1995WO1995025920A1 Piezoelectrically actuated fluid valve
09/27/1995EP0674350A1 Ultrasonic motor
09/27/1995CN1108971A Mibration wave actuator
09/26/1995US5453653 Micrometer for moving a body
09/26/1995US5452858 Fuel injector for internal combustion engine having throttle portion
09/19/1995US5451827 Ultrasonic motor having a supporting member
09/05/1995US5448129 Ultrasonic motor with vibrating body and moving body driven thereby
09/05/1995US5448128 Vibration type driving device
09/05/1995US5448127 Vibration wave driven motor
08/1995
08/30/1995EP0669662A1 Piezoelectric rotating motor
08/29/1995US5446331 Ultrasonic wave motor
08/29/1995US5445556 Vibration motor and method of machining a vibration member thereof
08/22/1995US5444347 Switching apparatus with an electomechanical adjusting drive
08/22/1995US5444191 Information processing apparatus and device for use in same
08/16/1995EP0667039A1 Method and circuit arrangement for charging and discharging a load with a capacitive component
08/09/1995EP0666635A1 Device to transform pressure variations occurring in fluid systems in electrical energy
08/08/1995US5440212 Control apparatus for vibration driven motor
08/08/1995US5440192 Ultrasonic motor
08/08/1995US5440191 Ultrasonic motor
08/08/1995US5440190 Ultrasonic motor
08/03/1995WO1995020827A1 Packaged strain actuator
08/02/1995EP0665636A1 Vibration driven motor
08/02/1995EP0665590A2 Microstructure, process for manufacturing thereof and devices incorporating the same
08/01/1995US5438232 Piezoelectric lamination actuator
08/01/1995US5438229 Ultrasonic motor and ultrasonic motor control method
07/1995
07/27/1995WO1995020262A1 Positioning apparatus
07/27/1995DE4402136A1 Motor vehicle tyre parameter measuring system
07/27/1995DE4401923A1 Self-powered electrical scale, e.g. household scales
07/26/1995EP0664203A1 Tool horn for converting longitudinal vibrations to torsional vibrations
07/25/1995US5436522 Vibration drive actuator
07/25/1995US5436521 Vibration type actuator apparatus
07/25/1995CA2014376C Ultrasonic power supply
07/12/1995CN1029344C Piezo-electric motor intended for timepiece
07/11/1995US5432395 Direct-drive field actuator motors
07/11/1995US5432394 Ultrasonic motor having a vibratory body and method of producing the same
07/11/1995US5432346 Relative position change amount detecting apparatus having bi-directional probe with compensated movement
07/06/1995DE4445606A1 Actuating unit e.g. actuator with mechanical adjusting element for active couplings
07/05/1995EP0661764A1 Vibration wave actuator
07/05/1995EP0375731B1 Micropositioner systems and methods
07/04/1995US5430343 Drive circuit for an ultrasonic motor
07/04/1995US5430341 Miniaturized power supply for an electroactive actuator
06/1995
06/27/1995US5428260 Vibration driven motor
06/13/1995US5424597 Adjusting device with piezo drive
06/13/1995US5424596 Activated structure