| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 11/05/1992 | DE4113667A1 Piezoelectric positioning drive for machine tools - uses copper@ heat sink and Peltier-effect modules to reduce operating temp. |
| 10/27/1992 | US5159253 Control device for a vibration wave motor |
| 10/27/1992 | US5159224 Vibration motor |
| 10/27/1992 | US5159223 Driving apparatus for ultrasonic motor |
| 10/21/1992 | EP0258449B1 Ultrasonic motor |
| 10/20/1992 | US5157300 Vibration wave driven motor apparatus |
| 10/15/1992 | DE4211857A1 Multi-unit CCD TV camera with head unit coupled over long cable to base - uses head unit processing circuit to provide video signals handled by differential coil transmitting unit connected to cable |
| 10/14/1992 | CN1065361A Piezo-electric motor intended for timepiece |
| 10/13/1992 | US5155418 Actuator device |
| 10/13/1992 | US5155407 Vibration driven apparatus |
| 10/13/1992 | CA1308769C Magnetostrictive motion system for linear motor |
| 10/07/1992 | EP0507264A1 Ultrasonic motor with vibrating body and moving body driven thereby |
| 10/06/1992 | US5153486 Ultrasonic motor |
| 09/30/1992 | EP0505848A1 Piezo-electric motor, in particular for timepiece |
| 09/30/1992 | EP0505386A1 Stepping motor to drive a body, especially a shaft, through small angles of rotation per step. |
| 09/23/1992 | CN2116992U Ultrasonic wave motor |
| 09/22/1992 | US5150000 Ultrasonic motor |
| 09/15/1992 | US5148077 Coating surrounding a piezoelectric solid state motor stack |
| 09/15/1992 | US5148075 Vibration wave driven motor |
| 09/15/1992 | US5148074 For converting electric energy to mechanical energy |
| 09/15/1992 | US5148068 Electromagnetic actuator for moving an object |
| 09/09/1992 | EP0502741A2 Driving circuit for vibration driven motor |
| 09/08/1992 | US5146143 Vibration wave driven motor |
| 09/08/1992 | US5146129 Vibration wave motor |
| 09/02/1992 | CN1018126B Piezo-electric motor |
| 09/02/1992 | CN1018116B Converting mechanism of micro-amplitude motion |
| 09/01/1992 | US5144208 Device for adjusting a nominal value of the dimension of an actuator, the longitudinal dimension of which can be changed by applying an external electromagnetic or electrostatic field |
| 09/01/1992 | US5144187 Piezoelectric motor |
| 08/20/1992 | WO1992014295A1 Indicator |
| 08/18/1992 | US5140231 Drive circuit for vibratory-wave motor |
| 08/18/1992 | US5140215 Vibrator and ultrasonic motor employing the same |
| 08/18/1992 | US5140214 Vibration wave driven apparatus |
| 08/11/1992 | US5138217 Driving power unit for piezoactuator system and method |
| 08/04/1992 | US5136215 Driving circuit for vibration wave motor |
| 08/04/1992 | US5136201 Piezoelectric robotic articulation |
| 08/04/1992 | US5136200 Ultransonic motor |
| 07/30/1992 | DE4201937A1 Piezoelectric module consisting of laminated monolith - has improved reliability due to sputtered film and metal foil outer electrodes and moisture resistant layer inside dielectric capping layers |
| 07/28/1992 | US5134348 Vibration wave motor |
| 07/28/1992 | US5134333 Vibration wave driven motor |
| 07/23/1992 | WO1992012569A1 Method and device in a motor |
| 07/22/1992 | EP0495665A1 Ultrasonic stepping motor |
| 07/14/1992 | US5130619 Drive control apparatus for an ultrasonic motor |
| 07/14/1992 | US5130598 Apparatus for driving a piezoelectric actuator |
| 07/14/1992 | US5129132 Method of making an integrated scanning tunneling microscope |
| 07/08/1992 | EP0493941A1 A supporting device for vibration wave driven motor |
| 07/07/1992 | US5128580 Vibration wave driven motor |
| 06/30/1992 | US5126615 Piezoelectric/electrostrictive actuator having at least one piezoelectric/electrostrictive film |
| 06/30/1992 | US5126614 Piezoelectric device and related converting devices |
| 06/23/1992 | US5124611 Vibration motor |
| 06/16/1992 | US5122700 Frictional material for vibration wave driven motor |
| 06/09/1992 | US5121025 Vibrator-type actuator |
| 06/05/1992 | WO1992010874A1 Piezoelectric motor |
| 06/05/1992 | CA2075032A1 Piezoelectric motor |
| 06/04/1992 | DE4105614C1 High pressure cleaning appts. - has pump supplying liq. to spray gun also powering generator charging battery for control members |
| 05/20/1992 | CN1061307A 压电致动器 The piezoelectric actuator |
| 05/19/1992 | US5115161 Ultrasonic motor |
| 05/06/1992 | EP0325652B1 Gas laser having a piezoelectric fan |
| 04/21/1992 | US5107163 Ultrasonic motor |
| 04/21/1992 | US5107162 Ultrasonic motor using rectangular wave |
| 04/16/1992 | WO1992006532A1 Coating surrounding a piezoelectric solid state motor stack |
| 04/16/1992 | WO1992006511A1 Piezoelectric solid state motor stack |
| 04/15/1992 | CN1060368A 压电致动器 The piezoelectric actuator |
| 04/14/1992 | US5105117 Ultrasonic motor |
| 04/08/1992 | EP0479614A2 Vibration driven motor |
| 04/07/1992 | US5103128 Ultrasonic motor |
| 04/02/1992 | DE4131948A1 Vibration part for ultrasonic motor - has two drive vibrators arranged at distance from each other and two sensors mutually spaced at preset distance |
| 03/31/1992 | US5101144 Ultrasonic motor driving circuit |
| 03/31/1992 | US5101132 Linear ultrasonic motor |
| 03/31/1992 | US5099815 Fuel injection valve and fuel supply system equipped therewith for internal combustion engines |
| 03/24/1992 | US5099180 Ultrasonic motor driving circuit |
| 03/24/1992 | US5099167 Vibration wave driven motor |
| 03/24/1992 | US5099166 Vibration wave driven motor |
| 03/19/1992 | WO1992004662A1 Generator |
| 03/18/1992 | EP0475752A2 Vibration-driven motor |
| 03/17/1992 | US5097161 Linear actuator |
| 03/12/1992 | DE4033091C1 Controlling elastic characteristics of sensor - by embedding electrostrictive fibres in electroconductive matrix on non-conductive matrix e.g. of silicon carbide |
| 03/11/1992 | EP0474219A2 Laser beam welding apparatus using an ultrasonic motor |
| 03/10/1992 | US5094444 Sheet feeding device |
| 03/04/1992 | EP0473423A2 Vibration driven motor |
| 03/03/1992 | US5093606 Ultrasonic motor driving circuit |
| 03/03/1992 | US5092878 Blood pump |
| 02/25/1992 | US5091670 Ultrasonic motor |
| 02/20/1992 | WO1992002961A1 Bonding of a piezo-electric bending transducer |
| 02/18/1992 | US5089740 Displacement generating apparatus |
| 02/13/1992 | DE4025436A1 Kontaktierung eines piezoelektrischen biegewandlers Contacting of a piezoelectric bending transducer |
| 02/12/1992 | EP0470378A2 Vibration wave motor |
| 02/11/1992 | US5087852 Direct current traveling wave motor |
| 02/11/1992 | US5087848 Slotted bus bar for a piezoelectric solid state motor |
| 02/05/1992 | EP0469883A2 Vibration driven motor |
| 02/05/1992 | EP0469881A1 Vibration driven actuator |
| 01/30/1992 | DE4124750A1 Detection of winding faults on package end - has signals from scanning camera evaluated to allow for package rotation |
| 01/29/1992 | CN1058307A Piezoelectric rotary union system |
| 01/29/1992 | CN1058165A Robotic articulation |
| 01/16/1992 | DE4122984A1 Control unit for piezoelectrical element - is connected to current supply unit and coil with switching unit selectively switched on and off to form resonant circuit |
| 01/15/1992 | EP0465616A1 Ultrasonic motor with two rotors |
| 01/07/1992 | US5079472 Piezoelectric bending transducer and the use thereof |
| 01/07/1992 | US5079471 High torque harmonic traction motor |
| 01/07/1992 | US5079470 Standing-wave type ultrasonic motor and timepiece |
| 01/07/1992 | CA1294032C Acoustic transducer with improved electrode spacing |
| 12/27/1991 | EP0462235A1 Multi-surface-sensor control unit for a travelling-wave motor. |