| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
|---|
| 11/01/1988 | US4782262 Rotary actuator |
| 10/18/1988 | US4779019 Electrostriction motor |
| 10/18/1988 | US4779018 Vibration wave motor |
| 10/11/1988 | US4777398 Piezoelectric motor |
| 09/13/1988 | US4771203 Vibration wave motor |
| 09/07/1988 | WO1988006816A1 Piezoelectric motor |
| 08/17/1988 | CN88100096A Direct digital type pressure valve |
| 08/16/1988 | US4764702 Ultrasonic motor device |
| 08/16/1988 | US4763776 Method and apparatus for transporting an article |
| 08/09/1988 | US4763148 Vibration wave motor |
| 07/28/1988 | WO1988005618A1 Method and device in magnetostrictive motion systems |
| 07/28/1988 | DE3800230A1 Drive device for an ultrasound motor |
| 07/12/1988 | US4757223 Linear actuator |
| 07/12/1988 | US4756290 Drive circuit of electrostrictive element actuator in diesel engine fuel injection device |
| 07/05/1988 | US4755705 Piezoelectric motor |
| 06/22/1988 | EP0271787A2 Personal-protection radio apparatus |
| 06/21/1988 | US4752711 Vibration wave motor |
| 06/14/1988 | US4751713 Gas laser having a piezoelectric fan |
| 06/07/1988 | US4749896 Vibration wave motor |
| 05/31/1988 | US4748396 Electric cell and method of producing electricity |
| 05/10/1988 | US4743792 Piezoelectric motor |
| 05/10/1988 | US4743791 Vibration wave motor |
| 05/10/1988 | US4743788 Input frequency control device for surface acoustic wave motor |
| 05/03/1988 | US4741416 Hydraulic shock absorber with adjustable damping force |
| 05/03/1988 | US4741347 Electric pulse generator for therapeutic applications on a patient |
| 04/27/1988 | EP0264403A1 Electrically controlled driving device |
| 04/06/1988 | EP0262408A2 Piezoelectric positioner |
| 03/30/1988 | EP0261810A2 Drive method for ultrasonic motor providing enhanced stability of rotation |
| 03/29/1988 | US4734610 Vibration wave motor |
| 03/24/1988 | WO1988002208A1 Acoustic transducer with improved electrode spacing |
| 03/22/1988 | US4733121 Solid state heat to electricity converter |
| 03/22/1988 | US4733106 Capacitive load driving device |
| 03/09/1988 | EP0258449A1 Ultrasonic motor |
| 03/08/1988 | US4730283 Acoustic transducer with improved electrode spacing |
| 03/01/1988 | US4728074 Piezoelectric flow control valve |
| 02/23/1988 | US4727276 Driving circuit for vibration wave motor |
| 02/02/1988 | US4723085 Vibration wave motor |
| 01/26/1988 | US4721447 Shaping tool for an extruder or calibrator for thermoplastic material |
| 12/22/1987 | US4714855 Piezo-electric actuator and stepping device using same |
| 12/15/1987 | US4713571 Driving circuit of a vibration wave motor |
| 12/08/1987 | US4711396 Electrically actuatable fuel-injection valve for internal combustion engines |
| 11/24/1987 | US4709183 Linear motor |
| 11/10/1987 | US4705980 Drive control method of ultrasonic vibrator |
| 11/05/1987 | WO1987006769A1 Electrically controlled driving device |
| 10/27/1987 | US4703215 Stacked piezoelectric ceramics displacement magnifying device |
| 10/27/1987 | US4703214 Ultrasonic vibrator and its drive control method |
| 09/30/1987 | EP0239085A2 Device for micro-movement of objects |
| 09/29/1987 | US4697117 Rotary ultrasonic motor |
| 09/17/1987 | DE3608550A1 Piezoelectrically actuated valve |
| 09/08/1987 | US4692672 Vibration wave motor |
| 09/08/1987 | US4692652 Vibration wave motor |
| 09/08/1987 | US4692651 Vibration wave motor |
| 09/08/1987 | US4692650 Vibration wave motor |
| 09/08/1987 | US4692649 Driving circuit of a vibration wave motor |
| 09/02/1987 | EP0234274A2 A linear actuator |
| 08/27/1987 | WO1987005166A1 Ultrasonic motor |
| 08/25/1987 | US4689514 Displacement generating device |
| 08/25/1987 | US4688536 Drive circuit for an electrostrictive actuator in a fuel injection valve |
| 08/19/1987 | EP0232906A2 Photographic camera |
| 08/12/1987 | EP0231940A2 Piezoelectric drive |
| 08/11/1987 | US4686407 Split mode traveling wave ring-resonator |
| 08/06/1987 | DE3546388A1 Compressed-air-driven high-voltage generator |
| 07/30/1987 | DE3614996C1 Elektrisch steuerbare Antriebsvorrichtung Electrically controllable drive device |
| 07/15/1987 | CN86107017A Method for preparing shark-fin-like edible product |
| 07/14/1987 | US4679915 Deformable mirror |
| 07/09/1987 | DE3600008A1 Ultrasonic motor |
| 07/07/1987 | US4678956 Vibration wave motor |
| 06/09/1987 | US4672256 Linear vibration wave motor |
| 05/05/1987 | US4663556 Torsional mode ultrasonic vibrator |
| 04/28/1987 | US4660933 Lens driving device |
| 04/14/1987 | US4658172 Drive circuit for a vibration wave motor |
| 03/31/1987 | US4654546 Electromechanical film and procedure for manufacturing same |
| 03/24/1987 | US4652786 Torsional vibration apparatus |
| 03/17/1987 | US4651343 Piezoelectric apparatus for positioning optical fibers |
| 03/17/1987 | US4651046 Piezoelectric scanning device |
| 03/10/1987 | US4649313 Piezoelectric displacement element |
| 03/10/1987 | US4649311 Vibration wave motor |
| 03/10/1987 | CA1219036A1 Drive circuit for piezoelectric stack |
| 03/03/1987 | US4647808 Piezoelectric actuator |
| 02/26/1987 | DE3530425A1 Method for the simultaneous mechanical pulse excitation of piezo-element generators for producing electrical signals which can be utilised |
| 02/24/1987 | US4645964 Vibration wave motor |
| 02/24/1987 | CA1218415A1 Piezoelectric reed power supply for use in abnormal tire condition warning system |
| 02/17/1987 | US4644213 Piezoelectric actuator |
| 02/17/1987 | US4644212 Power supply for piezoelectric-element driving device |
| 02/10/1987 | US4642509 Ultrasonic motor using bending, longitudinal and torsional vibrations |
| 02/03/1987 | US4641052 Input circuit for a stacked type piezo-electric element device |
| 01/27/1987 | US4639630 Piezoceramic servo-drive for producing translational motion, especially for application to ring laser mirrors |
| 01/06/1987 | US4634916 Piezoelectric rotary driver |
| 01/06/1987 | US4634915 Mount for surface wave motor |
| 12/30/1986 | US4633121 Comb-shaped piezoelectric drive device |
| 12/17/1986 | EP0204932A2 Displacement generating device |
| 12/17/1986 | EP0200864A2 Linear motor |
| 12/10/1986 | EP0204068A1 Electrically actuated fuel injection valve for internal-combustion engines |
| 12/02/1986 | US4626730 Method and apparatus for active control of vibrations |
| 11/25/1986 | US4625139 Electro-pneumatic signal converter |
| 11/11/1986 | US4622483 Piezoelectric electromechanical translation apparatus and method |
| 10/22/1986 | EP0198183A2 Ultrasonic motor |
| 09/17/1986 | EP0194532A2 Piezoelectric electromechanical translation apparatus and method |
| 09/16/1986 | CA1211556A1 Circuit arrangement for generating an actuating signal for a piezo-electric element of a positioning device |
| 09/03/1986 | CN85104986A Electrical curer |