Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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06/08/1995 | WO1995015610A1 Micromotor |
06/08/1995 | DE4341073A1 Vibration motor for generating travelling waves |
06/01/1995 | WO1995015026A1 Mechanism for transmitting movement |
05/24/1995 | EP0654889A1 Driving device for ultrasonic wave motor |
05/24/1995 | CN1028585C Piezoelectric actuator |
05/23/1995 | US5418650 Lens barrel using a surface wave motor |
05/23/1995 | US5418417 Piezoelectric motor |
05/18/1995 | WO1995013649A1 Magneto-mechanical converter |
05/18/1995 | DE4440679A1 Ultrasonic motor |
05/16/1995 | US5416375 Ultrasonic motor |
05/16/1995 | US5416374 Ultrasonic motor and electronic apparatus equipped with ultrasonic motor |
05/02/1995 | US5411241 Control valve for a faucet and use of ultrasonic motor |
04/26/1995 | EP0650252A1 Ultrasonic motor and electronic apparatus equipped with ultrasonic motor |
04/25/1995 | US5410204 Ultrasonic oscillator |
04/20/1995 | DE4436812A1 Drive device |
04/19/1995 | EP0649216A1 A vibration driven device |
04/19/1995 | EP0505386B1 Stepping motor to drive a body, especially a shaft, through small angles of rotation per step |
04/18/1995 | US5408156 Ultrasonic motor |
04/11/1995 | US5406160 Vibration driven motor |
04/05/1995 | EP0646975A1 Tortional actuator and method of making the same |
04/05/1995 | EP0646221A1 Magnetostrictive transducer. |
04/04/1995 | US5404065 Ultrasonic actuator |
03/30/1995 | DE4332927A1 Piezoelectric switching element |
03/28/1995 | US5402030 Vibration wave driven apparatus |
03/16/1995 | DE4403180C1 Device for converting pressure fluctuations prevailing in fluid systems into electrical energy (power) |
03/15/1995 | EP0643427A1 Electric motor with vibrating elements and elastic coupler |
03/14/1995 | US5397955 Ultrasonic actuator |
03/08/1995 | EP0642180A2 Actuator for a movable member |
03/08/1995 | EP0642065A1 Rotor position detector for piezo-electric motor |
03/07/1995 | US5396142 Positioning apparatus |
03/01/1995 | EP0407460B1 An integrated mass storage device |
02/23/1995 | WO1995005682A1 Piezoelectric motor with progressive wave |
02/15/1995 | CN1027667C Piezoelectric actuator |
02/09/1995 | WO1995004378A1 Direct drive field actuator motors |
02/09/1995 | DE4410153C1 Piezoelectrically operated fluid valve |
02/08/1995 | EP0566626B1 Method and device in a motor |
02/07/1995 | US5387835 Vibration driven motor |
02/07/1995 | US5387834 Piezoelectric element driving circuit |
02/01/1995 | EP0637123A1 Surface acoustic wave motor |
01/25/1995 | EP0635930A1 Ultrasonic motor and ultrasonic wave carrier |
01/17/1995 | US5382864 Piezoelectric bimorph type actuator |
01/17/1995 | US5382863 Method and device in a motor |
01/11/1995 | EP0633616A2 Ceramic motor |
01/05/1995 | WO1995000976A1 Force and/or motion generating arrangement |
01/03/1995 | US5378948 Electroactive motor |
12/28/1994 | EP0631334A1 Ultrasonic motor having high drive efficiency |
12/27/1994 | US5376858 Ultrasonic motor |
12/27/1994 | US5376855 Driving device for ultrasonic wave motor |
12/22/1994 | WO1994029946A1 Improvements relating to rotary drive mechanisms |
12/07/1994 | EP0627774A2 Ultrasonic motor having high drive efficiency |
11/23/1994 | CN1026744C 压电马达 Piezoelectric motor |
11/17/1994 | EP0624912A1 Displacement device with piezoelectric actuator |
11/17/1994 | EP0624911A1 Vibration wave motor |
11/15/1994 | US5365140 Piezoelectric actuator having strain gage |
11/15/1994 | US5365139 Electronic apparatus with ultrasonic motor |
11/09/1994 | CN2182490Y Driving power supply |
11/08/1994 | US5363006 Stator for ultrasonic motor and method for manufacturing the same |
11/01/1994 | US5361014 Apparatus for driving a piezoelectric actuator |
11/01/1994 | US5361013 Device comprising a piezoelectric transducer |
10/27/1994 | WO1994023935A1 Tool horn for converting longitudinal vibrations to torsional vibrations |
10/25/1994 | US5359268 Control apparatus for vibration driven motor |
10/25/1994 | US5359251 Vibration driven actuator |
10/19/1994 | CN1026278C 压电致动器 The piezoelectric actuator |
10/18/1994 | US5357164 Ultrasonic motor |
10/12/1994 | CN1026201C Piezoelectric-current linear stepping motor |
10/12/1994 | CN1026200C Piezoelectric-current rotary stepping motor |
10/11/1994 | US5355047 Circuit for driving an oscillatory-wave motor |
10/05/1994 | EP0547083B1 Generator |
10/04/1994 | US5352950 Vibration wave driven motor |
10/04/1994 | US5352949 Vibration driven actuator |
09/28/1994 | EP0617415A2 Apparatus for recording/reproducing information in a card |
09/27/1994 | US5350962 Driving device for piezoelectric element |
09/20/1994 | US5348287 Sheet feeding apparatus using a vibration wave to convey sheets |
09/14/1994 | EP0462235B1 Multi-surface-sensor control unit for a travelling-wave motor |
09/13/1994 | US5347192 Vibration wave motor |
09/13/1994 | US5345767 Vibration motor |
09/07/1994 | EP0613586A1 Piezorotary motor |
09/07/1994 | EP0404799B1 Integrated scanning tunneling microscope |
09/06/1994 | US5345137 Two-dimensionally driving ultrasonic motor |
08/31/1994 | EP0613195A1 Vibration motor |
08/31/1994 | EP0613194A1 Drive for a vibration motor with cylindrical vibrating member |
08/31/1994 | EP0397799B1 A piezoelectric motion transducer and an integrated scanning tunneling microscope using the same |
08/30/1994 | US5343108 Ultrasonic step motor |
08/24/1994 | EP0612115A1 Ultrasonic motor |
08/24/1994 | EP0611485A1 Electromechanical positioning device. |
08/23/1994 | US5341062 Piezoelectric energy generator |
08/23/1994 | US5341056 Magnetostrictive motor system |
08/18/1994 | WO1994018750A1 Ultrasonic motor and ultrasonic wave carrier |
08/18/1994 | DE4403627A1 Ultrasonic motor having an improved stator |
08/17/1994 | EP0610836A2 Ultrasonic motor and ultrasonic motor control method |
08/17/1994 | EP0610223A1 Process and device for regulating the frequency of a travelling wave motor. |
08/16/1994 | US5338998 Vibration driven actuator |
08/10/1994 | EP0610139A1 Method of making a distribution circuit for electrical signals, distribution circuit so obtained, and a piezoelectric motor containing such a circuit |
08/09/1994 | US5336958 Ultrasonic motor unit |
07/27/1994 | EP0607980A1 A vibration wave driven motor and a printing apparatus |
07/26/1994 | US5332941 Ultrasonic driving motor |
07/12/1994 | US5329201 Vibration driven motor |
07/12/1994 | CA2005028C Microdrive apparatus |
07/05/1994 | US5327040 Ultrasonic motor with a vibrating body and a moving body driven thereby |
06/29/1994 | EP0603835A1 Piezoelectric actuator having strain gage |