| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
|---|
| 06/29/1994 | EP0603527A1 Vibration motor |
| 06/22/1994 | EP0603163A1 Driving device for ultrasonic motor |
| 06/22/1994 | EP0603162A1 Driving device for ultrasonic motor |
| 06/22/1994 | EP0602648A1 A vibration driven motor or actuator |
| 06/22/1994 | EP0602635A1 A method and an apparatus for controlling a moving velocity of an ultrasonic motor |
| 06/22/1994 | EP0602402A1 Piezo electric motor with the rotor integrated in the stator |
| 06/15/1994 | EP0601671A1 Ultrasonic actuator |
| 06/08/1994 | EP0600758A1 Seal for electro-acoustic motors |
| 06/08/1994 | EP0600485A1 A supporting device for a vibration driven actuator |
| 06/08/1994 | EP0600484A1 Vibration driven motor |
| 06/07/1994 | US5319278 Longitudinal-torsional resonance ultrasonic motor with improved support structure |
| 06/07/1994 | US5319257 Unitaxial constant velocity microactuator |
| 05/31/1994 | US5317533 Integrated mass storage device |
| 05/31/1994 | US5317223 Method and device in magnetostrictive motion systems |
| 05/26/1994 | WO1994011907A1 Method and circuit arrangement for charging and discharging a load with a capacitive component |
| 05/25/1994 | EP0598710A2 A vibration driven apparatus |
| 05/19/1994 | DE4237509A1 Verfahren und Schaltungsanordnung zum Aufladen und Entladen einer Last mit einem kapazitiven Anteil Method and circuit for charging and discharging a load with a capacitive component |
| 05/17/1994 | US5313132 Elastic supporting member for a vibration driven motor |
| 05/11/1994 | DE4303125C1 Piezoelectric setting drive circuit for precision positioning of cutting tool - with auxiliary setting drive providing detected movement used to linearise movement of controlled setting element |
| 05/10/1994 | US5311094 Fluoropolymer rotor or stator surface; noise-free; wear resistance |
| 05/10/1994 | US5311093 Driving circuit for vibration driven motor |
| 05/05/1994 | DE4335776A1 Generating electrical energy in vicinity of revolving, metal roller-bodies - involves using electromagnetic transducers in roller bodies to detect any elastic deformations |
| 05/04/1994 | EP0595426A1 Ultrasonic actuator |
| 04/26/1994 | US5306979 Multiplexing incremental linear actuator system |
| 04/20/1994 | EP0593160A1 Activated structure |
| 04/13/1994 | EP0592030A1 Electromechanical displacement device and actuator suitable for use in such an electromechanical displacement device |
| 04/07/1994 | DE4330032A1 Piezoelectric motor with three-point stator mounting |
| 04/06/1994 | EP0590373A1 Ultrasonic motor |
| 04/05/1994 | US5300851 Linear-type actuator |
| 04/05/1994 | US5300850 Vibration wave motor |
| 03/31/1994 | WO1994007271A1 Piezorotary motor |
| 03/29/1994 | US5298829 Vibration wave driven motor |
| 03/24/1994 | DE4244704A1 Travelling wave motor using piezoelectric, electrostrictive or magnetostrictive elements - with elastic stator clamping opposite ends of diametric expansion elements driving rotor |
| 03/23/1994 | EP0587987A1 Active actuator |
| 03/23/1994 | EP0587986A1 Active actuator |
| 03/22/1994 | US5296776 Piezo-electric motor intended for a timepiece |
| 03/22/1994 | US5296262 Method of providing a paste for a ceramic multilayer actuator |
| 03/22/1994 | US5295288 Method of making coating surrounding a piezoelectric solid state motor stack |
| 03/17/1994 | WO1994006160A1 Electromechanical positioning device |
| 03/16/1994 | CN1083983A 压电马达 Piezoelectric motor |
| 03/16/1994 | CN1083972A Improved efficiency driver system for piezoelectrics |
| 03/10/1994 | DE4228312A1 Ultrasonic sound generating motor - has piezoceramic ultrasonic oscillator attached to stator by double-sided conducting adhesive foil using metal particles in base |
| 03/08/1994 | US5293094 Miniature actuator |
| 03/02/1994 | EP0584775A1 Production method of laminated piezoelectric device and polarization method thereof and vibration wave driven motor |
| 02/09/1994 | EP0582230A1 Ultrasonic motor |
| 02/08/1994 | US5285134 Control device for vibration type motor |
| 02/01/1994 | US5283497 Electrotiltable material (tilter) |
| 01/27/1994 | DE4239058C1 Piezo-electric drive system piezo-crystal controller - changing over potential of piezo-crystal connection charging or discharge capacitance divided into several stages |
| 01/26/1994 | EP0580447A1 Ultrasonic motor and electronic apparatus equipped with ultrasonic motor |
| 01/26/1994 | EP0580049A1 Piezo-electric motor |
| 01/19/1994 | EP0579491A1 Vibration device for vibration driven motor and method for manufacturing same |
| 01/19/1994 | EP0579048A2 Batch sinterable at low temperatures for manufacture of piezoelectric, ceramic formed bodies and formed body manufactured therefrom by sintering |
| 01/06/1994 | WO1994000695A1 Magnetostrictive transducer |
| 01/05/1994 | EP0577376A2 Printing apparatus having vibration driven linear type actuator for carriage |
| 01/05/1994 | EP0576707A1 Stack for translational movement and method of making the same |
| 01/04/1994 | US5276336 Method of and arrangement for individually activating valves |
| 12/29/1993 | EP0576244A2 Sheet feeding apparatus |
| 12/28/1993 | US5274614 Multi-function analog electronic timepiece |
| 12/28/1993 | US5274295 Vibration driven motor |
| 12/28/1993 | US5274294 Vibration wave driven motor |
| 12/23/1993 | DE4220226A1 Magnetostrikiver Wandler Magnetostrikiver converter |
| 12/23/1993 | DE3448414C2 Control system for vibration wave motors |
| 12/22/1993 | EP0575080A1 Vibration wave driven motor and method of producing same |
| 12/16/1993 | DE4318912A1 Low wear ultrasonic motor - has slide element with sealed porous oxide, esp. anodised, layer |
| 12/15/1993 | EP0574022A2 Movement actuator/sensor systems |
| 12/07/1993 | US5268611 Anisotropic transducer |
| 12/07/1993 | US5268571 Micro-displacement element, and scanning tunneling microscope and information processing apparatus using same |
| 11/24/1993 | EP0570673A1 Travelling wave motor operating at different vibration modes |
| 11/23/1993 | US5264755 Stepping motor to drive a body, especially a shaft, through small angles of rotation per step |
| 11/23/1993 | US5264753 Supporting device for vibration wave driven motor |
| 11/18/1993 | EP0569673A1 Ultrasonic travelling wave motor driven by tight-fitted actuators |
| 11/18/1993 | EP0482112B1 An apparatus for driving a piezoelectric actuator |
| 11/02/1993 | US5258694 Control device for ultrasonic motor |
| 10/27/1993 | EP0566626A1 Method and device in a motor. |
| 10/26/1993 | US5256928 Ultrasonic motor with a vibrator having recesses |
| 10/20/1993 | EP0566023A1 Improved efficiency driver system for piezoelectrics |
| 10/20/1993 | EP0565883A2 Anisotropic transducer |
| 10/19/1993 | US5255059 Image forming apparatus |
| 10/19/1993 | US5254899 Micro-traveller with ultrasonic motor |
| 10/14/1993 | CA2091117A1 Efficiency driver system for piezoelectrics |
| 10/13/1993 | EP0565510A2 Electro-pneumatic signal transducer |
| 10/13/1993 | EP0565069A1 Adjustable diaphragm and manufacturing process |
| 10/06/1993 | EP0564228A2 Multi-function analog electronic timepiece |
| 09/30/1993 | WO1993019494A1 Piezoelectric motor |
| 09/29/1993 | EP0562817A2 Electronic apparatus with ultrasonic motor |
| 09/29/1993 | EP0350484B1 Method and device in magnetostrictive motion systems |
| 09/28/1993 | US5248912 Integrated scanning tunneling microscope |
| 09/22/1993 | EP0561341A2 Electric drive for a rectifying segmented transducer |
| 09/22/1993 | CN1076563A Two-coordinate micro-driver |
| 09/21/1993 | US5247221 Vibration wave driven actuator |
| 09/21/1993 | US5247220 Ultrasonic motor |
| 09/21/1993 | CA2002187C Probe unit, driving method thereof, and scanning device for detecting tunnel current having said probe unit |
| 09/21/1993 | CA2001435C Electrostrictive actuators |
| 09/17/1993 | CA2081278A1 Electric drive for a rectifying segmented transducer |
| 09/17/1993 | CA2081093A1 Anisotropic transducer |
| 09/14/1993 | US5245243 Ultrasonic motor with a friction component |
| 09/14/1993 | US5245242 Efficiency driver system for piezoelectrics |
| 09/01/1993 | EP0557905A1 Friction material composition and process for production thereof |
| 08/31/1993 | US5241235 Twisting actuators |
| 08/31/1993 | US5241234 Vibration-driven motor |