Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
---|
09/02/1986 | CA1210800A1 Piezoelectrical control element |
08/13/1986 | EP0191011A1 Electropneumatic signal converter |
08/12/1986 | US4605876 Piezoelectric ceramic energy trapping electronic device |
07/23/1986 | EP0188045A1 Deformable chuck |
07/22/1986 | US4601539 Lens moving device using piezoelectric material |
07/22/1986 | CA1208269A1 Motor device utilizing ultrasonic oscillation |
07/15/1986 | US4600854 For attaining discrete radial displacements with respect to a frame |
06/17/1986 | US4595854 Drive circuit for piezoelectric stack |
06/10/1986 | US4594526 Bimorph electromechanical transducer and control circuit device therefor |
05/28/1986 | EP0182764A2 Electromechanical film and procedure for manufacturing same |
05/07/1986 | EP0179978A2 Stacked type piezo-electric device and method of its use |
05/06/1986 | US4587452 Vibration wave motor having a vibrator of non-uniform elastic modulus |
04/29/1986 | US4585969 Precision rotary moving mechanism using piezoelectric drive elements |
04/01/1986 | US4580292 Communications exchange |
04/01/1986 | US4580073 Vibration wave motor with plural projection vibrator |
03/25/1986 | US4578607 Piezoelectric precise rotation mechanism for slightly rotating an object |
03/25/1986 | CA1202352A1 Piezoelectric displacing device |
03/18/1986 | US4577131 Piezoelectric micromotion actuator |
02/11/1986 | US4570096 Electromechanical translation device comprising an electrostrictive driver of a stacked ceramic capacitor type |
01/29/1986 | EP0169297A2 Piezoelectric motor |
01/28/1986 | US4567394 Electro-pneumatic signal converter |
01/21/1986 | US4565940 Method and apparatus using a piezoelectric film for active control of vibrations |
01/02/1986 | EP0166499A2 Precision moving mechanism |
12/31/1985 | US4562374 Motor device utilizing ultrasonic oscillation |
12/31/1985 | US4562373 Piezoelectric motor |
12/24/1985 | US4560263 Drive system for a vibration wave motor for lens control |
12/19/1985 | EP0157764A4 Power generation from waves on the surface of bodies of water. |
12/04/1985 | EP0163501A2 Comb-shaped piezoelectric drive unit |
11/13/1985 | EP0160707A1 Piezoelectric stepping rotator |
10/23/1985 | EP0158903A2 Capacitive load driving device |
10/22/1985 | US4548090 Supersonic vibration driven motor device |
10/16/1985 | EP0157764A1 Power generation from waves on the surface of bodies of water. |
09/24/1985 | US4543663 Communications exchange |
09/10/1985 | CA1193361A1 Integrated magnetostrictive-piezoelectric-metal oxide semiconductor magnetic playback head |
08/27/1985 | CA1192646A1 Piezoelectric apparatus for positioning optical fibers |
07/23/1985 | CA1190953A1 Piezoelectric motor |
07/10/1985 | EP0147534A1 Micromotion actuator |
07/10/1985 | EP0147391A1 Piezoelectric fluid-electric generator |
06/25/1985 | US4525790 Method for oscillating ultrasonic waves and a microcomputer's built-in ultrasonic wave oscillator circuitry |
06/05/1985 | EP0143549A1 Precise rotation mechanism for slightly rotating an object |
05/28/1985 | US4520413 Integrated magnetostrictive-piezoelectric-metal oxide semiconductor magnetic playback head |
04/30/1985 | US4514773 Circuit arrangement for generating an actuating signal for a piezo-electric element of a positioning device |
04/23/1985 | US4513219 Vibration wave motor |
04/16/1985 | US4512036 Communications exchange |
04/16/1985 | US4510935 Electrical energy source |
04/16/1985 | CA1185656A1 Piezoelectric device for generating and storing electrical energy |
04/09/1985 | US4510484 Piezoelectric reed power supply for use in abnormal tire condition warning systems |
04/09/1985 | US4510412 Piezoelectric displacing device |
04/09/1985 | US4510411 Drive circuit for surface-wave driven motor utilizing ultrasonic vibration |
03/28/1985 | WO1985001324A1 Power generation from waves on the surface of bodies of water |
03/19/1985 | US4506184 Deformable chuck driven by piezoelectric means |
03/12/1985 | US4504760 Piezoelectrically driven vibration wave motor |
02/05/1985 | CA1182159A1 Piezoelectric motor with two-part oscillating rotor |
01/22/1985 | US4495432 Piezoelectric vibration wave motor with sloped drive surface |
01/01/1985 | US4491401 Diaphragm device |
12/20/1984 | WO1984005010A1 Piezoelectric fluid-electric generator |
12/11/1984 | US4488080 Piezoelectrical control element |
11/28/1984 | EP0126325A2 Drive circuit for piezoelectric stack |
11/20/1984 | US4484099 Piezoelectric vibration wave motor with multiple traveling wave generating members |
09/11/1984 | US4471257 Monitoring system for electrically actuated control element |
08/28/1984 | US4468583 Piezoelectric rotary actuator |
07/24/1984 | CA1171496A1 Vibrating transducer power supply for use in abnormal tire condition warning systems |
07/17/1984 | US4460842 Piezoelectric device with high, constant preload force |
07/04/1984 | EP0112454A2 Rotary actuator |
06/12/1984 | US4454441 Piezoelectric driving apparatus |
06/05/1984 | US4453103 Piezoelectric motor |
04/25/1984 | EP0106483A2 Piezoelectric displacing device |
03/20/1984 | US4438363 Electrically controlled mechanical positioning device |
03/06/1984 | US4435667 Spiral piezoelectric rotary actuator |
02/14/1984 | US4431934 Electrically actuated piezoelectric control element |
01/03/1984 | US4423941 Device for shifting lens group |
12/27/1983 | US4423347 Positioning element with a piezo-ceramic body |
12/20/1983 | US4422002 Piezo-electric travelling support |
11/23/1983 | EP0094712A1 Control voltage generating circuit for a piezoelectric element of a positioning device |
11/23/1983 | EP0094635A1 Piezoelectric regulating unit |
10/19/1983 | EP0091739A1 Integrated magnetostrictive-piezoelectric metal oxide semiconductor magnetic playback head |
10/04/1983 | CA1154862A1 Fiber reinforced piezoelectric bender transducer |
10/04/1983 | CA1154814A1 Piezoelectric motor for dithering ring laser gyroscopes |
09/13/1983 | US4404502 Energy saving circuit arrangement for a piezoelectric positioning element |
09/13/1983 | US4404490 Power generation from waves near the surface of bodies of water |
08/23/1983 | US4400641 Piezoelectric motor with two part rotor |
08/09/1983 | CA1151764A1 Magnetic transducer supporting apparatus |
07/13/1983 | EP0083528A1 Piezoelectric generators of electric pulses |
06/07/1983 | US4387318 Piezoelectric fluid-electric generator |
05/03/1983 | US4382202 Piezoelectric loading device |
04/26/1983 | US4381146 Piezoelectric aperture size control device |
02/16/1983 | EP0071666A1 Electric travelling support |
01/25/1983 | US4370583 Piezoelectric motor for dithering ring laser gyroscopes |
10/26/1982 | CA1134482A1 Pathlength controller for a ring laser gyroscope |
09/28/1982 | CA1132707A1 Driving circuit for piezo-electric transducer |
09/14/1982 | US4349762 Fiber reinforced piezoelectric bender transducer |
07/13/1982 | US4339682 Rotative motor using a piezoelectric element |
06/30/1982 | EP0054704A2 Regulating unit with a piezoceramic body |
06/30/1982 | EP0054703A1 Circuit for a piezoelectric positioning element and the like |
06/15/1982 | CA1125910A1 Drive circuitry for controlling moveable video head |
06/15/1982 | CA1125909A1 Transducer assembly vibration sensor |
05/11/1982 | CA1123512A1 System for damping vibrations in a deflectable transducer |
05/05/1982 | EP0050791A2 Electrically operated regulating unit |
05/05/1982 | EP0050712A1 Mechanical regulating unit |
04/20/1982 | US4326228 Magnetic transducer supporting apparatus |