Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02N - Electric machines not otherwise provided for › H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction
Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251)
02/1999
02/25/1999DE19734895A1 Device and method for controlling at least one capacitive actuator/final control element e.g. for motor vehicle fuel injection system
02/25/1999DE19733609A1 Electric switch, especially for motor vehicle
02/23/1999US5874799 Control device for a vibration driven motor
02/18/1999WO1999007997A1 Conducting polymer driven rotary motor
02/16/1999US5872418 Piezoelectric motor
02/16/1999US5872417 Multiple degrees of freedom vibration actuator
02/16/1999US5872416 Surface acoustic wave machine
02/11/1999WO1999007063A1 Actuator, and clock and annunciator mounted with the same
02/11/1999WO1999007026A1 Method and device for charging and discharging a piezoelectric element
02/10/1999EP0764347B1 Power supply circuit for a piezoelectric motor
02/09/1999US5870634 Image blur suppression device utilizing a vibration motor
02/09/1999US5869918 Actuator which controls voltage level and voltage level increase time of an electromechanical converting element drive signal
02/09/1999US5869917 Vibration actuator
02/04/1999WO1999005778A1 Serpentine cross-section piezoelectric linear actuator
02/04/1999DE19733560A1 Verfahren und Vorrichtung zum Laden und Entladen eines piezoelektrischen Elements Method and apparatus for charging and discharging a piezoelectric element
02/03/1999EP0895294A1 Ultrasonic motor, electronic appliance, and analog timepiece
02/03/1999CN1206950A Dring power source for activating piezoelectric device
02/02/1999US5866971 Hybrid motor
02/02/1999US5866970 Vibration actuator
01/1999
01/28/1999WO1998047188A3 Piezoelectric actuator with a hollow profile
01/20/1999EP0788664B1 Travelling wave motor
01/19/1999CA2069702C Micro-displacement element, and scanning tunneling microscope and information processing apparatus using same
01/13/1999EP0890216A1 Piezoelectric actuator or motor, method therefor and method for fabrication thereof
01/12/1999US5859490 For use with a relative moving element
01/07/1999DE19727992A1 Thermal expansion compensation element
12/1998
12/30/1998EP0887679A2 Inclination adjusting device for light controlling element used in optical scanner
12/30/1998EP0887678A2 Lens apparatus
12/29/1998US5854529 Vibration actuator
12/29/1998US5854528 Ultrasonic motor
12/24/1998DE19723932C1 Verfahren zum Ansteuern wenigstens eines kapazitiven Stellgliedes A method for driving at least one capacitive actuator
12/23/1998EP0885087A1 Displacement device with a modular system of displacement units
12/22/1998US5852336 Vibration actuator which effectively transmits micro-amplitude vibrations
12/17/1998DE19723935C1 Vorrichtung und Verfahren zum Ansteuern wenigstens eines kapazitiven Stellgliedes Apparatus and method for controlling at least one capacitive actuator
12/16/1998EP0884832A1 Piezomotor with a piezoelectric composite transducer, and method for manufacturing such a transducer
12/10/1998WO1998055751A1 Device and method for controlling at least one capacitive actuator
12/10/1998WO1998055750A1 Method for controlling at least one capacitive actuating element
12/10/1998CA2292518A1 Method for triggering at least one capacitive final control element
12/08/1998US5847488 Apparatus having drive device using electromechanical transducer
12/02/1998EP0881465A2 Vibrating gyroscope
11/1998
11/26/1998DE19721803A1 Device to generate slow linear movement of threaded spindle for small loads
11/25/1998EP0880185A2 Ultrasonic motor and ultrasonic apparatus with ultrasonic motor
11/25/1998EP0879373A1 Piezoelectric actuator
11/24/1998US5841215 Control apparatus for vibration wave motor
11/19/1998WO1998052274A2 High power ultrasonic motor
11/18/1998EP0878853A1 Ultrasonic motor and ultrasonic motor-equipped electronic appliance
11/12/1998DE19816909A1 Actuating element with piezoelectric element for head positioning mechanism
11/11/1998EP0877431A2 Vibration driven motor
11/11/1998EP0877429A2 Ultrasonic wave motor device and electronic apparatus having ultrasonic wave motor device
11/11/1998CN1198565A Actuator using piezoelectric element and magnetic head positioning mechanism using said actuator
11/10/1998US5835996 Power generation method and power generator using a piezoelectric element, and electronic device using the power
11/10/1998US5834879 Stacked piezoelectric actuator
11/10/1998US5834878 Vibration wave driving device and apparatus having the same
11/10/1998US5834876 Method and circuit for exciting and monitoring a piezoelectric motor in stepping mode
11/03/1998US5831370 Vibration actuator
10/1998
10/28/1998CN1197324A Vibrating type driving device
10/27/1998US5828158 Traveling wave piezoelectric motor
10/27/1998US5828157 Piezoelectric actuator and pyroelectric type infrared ray sensor using the same
10/22/1998WO1998047188A2 Piezoelectric actuator with a hollow profile
10/22/1998WO1998047187A1 Piezo actuator with novel contacting and production method
10/22/1998DE19715487A1 Piezoelektrischer Aktor mit einem Hohlprofil Piezoelectric actuator with a hollow profile
10/20/1998US5825670 High precison calibration and feature measurement system for a scanning probe microscope
10/20/1998US5825119 For detecting a solid particle in a fluid
10/20/1998US5825118 Vibration actuator
10/20/1998US5823307 For isolating a payload mass from a source of vibration
10/15/1998WO1998045933A1 Ultrasonic motor and electronic apparatus with ultrasonic motor
10/15/1998DE19714615A1 Charging and discharging piezoelectric element, e.g for fuel injector of IC engine
10/15/1998DE19714610A1 Charging and discharging piezoelectric element, e.g for fuel injector of IC engine
10/15/1998DE19714609A1 Charging and discharging piezoelectric element, e.g for fuel injector of IC engine
10/15/1998DE19714607A1 Charging or discharging piezoelectric element, e.g for fuel injector of IC engine
10/14/1998EP0871230A1 Method and apparatus for charging and discharging a piezoelectric element
10/14/1998EP0871229A1 Method and apparatus for charging and discharging a piezoelectric element
10/13/1998US5821670 Vibration acutuator
10/13/1998US5821669 Vibration wave motor having piezoelectric pressure member
10/13/1998US5821667 Ultrasonic motor
10/08/1998WO1998044572A1 Movement device
10/08/1998WO1998044256A1 Fuel injection valve with a piezo-electric or magnetostrictive actuator
10/07/1998EP0869278A1 Piezoelectric injection valve with means to compensate for the thermal expansion of piezoelectric actuator
10/06/1998US5818182 Removable media ejection system
10/06/1998US5818147 Vibration actuator with improved contact surface
10/01/1998WO1998043306A1 Ultrasonic motor
10/01/1998DE19712921A1 Brennstoffeinspritzventil mit piezoelektrischem oder magnetostriktivem Aktor Fuel injection valve with a piezoelectric or magnetostrictive actuator
09/1998
09/29/1998US5814921 Frequency multiplying piezoelectric generators
09/29/1998US5814919 Electro-mechanical energy conversion element and a vibration wave actuator using the electro-mechanical energy conversion element
09/29/1998CA2087406C Vibration driven motor
09/24/1998DE19709717C1 Piezoelectric fuel injector regulator for IC engine
09/24/1998DE19709267A1 Piezoelectric motor for use in magnetic fields esp. in medical nuclear spin tomography
09/23/1998CN1194058A Electronic component and method of production thereof
09/22/1998US5812330 Optical apparatus
09/22/1998US5811911 Piezoelectric actuator
09/22/1998US5810255 Clamping device for a piesoelectric actuator of a fuel injection valve for internal combustion engines
09/16/1998EP0771476A4 Miniature linear motion actuator
09/15/1998US5808981 Information recording/reproducing apparatus capable of movement in two directions of a card-like information recording medium
09/15/1998US5806890 Steering wheel position adjusting apparatus for a vehicular steering system
09/09/1998EP0741928B1 Positioning apparatus
09/03/1998DE19712919C1 Drive system for executing rotational precision positioning movements with at least one actuator
09/01/1998US5800441 Foldable lens delivery system
08/1998
08/27/1998WO1998037400A1 High-cycle fatigue test machine
08/26/1998EP0860529A2 Control module for controlling the needles of a knitting machine
08/25/1998US5798598 Vibration driven device
08/25/1998CA2080706C Vibration driven motor
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