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| Application No. | Application Title | Issue Date |
| 20110280559 | VIBRATIONAL WAVE MOTOR, LENS BARREL AND CAMERA A vibrational wave motor which can realize a suitable drive performance and can be driven quietly. A vibrational wave motor having: an electromechanical-conversion element excited by a driving signal; a vibrating element joined with the ele... | 11/17/2011 |
| 20080169726 | Ultrasonic motor and electronic device using the same The present invention provides an ultrasonic motor including a wire having a coiled stator at one end thereof, a vibration generating device disposed at another end of the wire, a moving member that is in contact with the stator, a guide member that guides the rotation ... | 07/17/2008 |
| 20080001500 | Ultrasonic Motor The present invention relates to an ultrasonic motor comprising a stator formed by using an acoustic waveguide of helical coil shape or an acoustic waveguide of in-plane spiral coil shape, so that a rotor placed in close proximity to, or in close contact with the coil i... | 01/03/2008 |
| 20070170817 | PIEZOELECTRIC/ELECTROSTRICTIVE DEVICE A piezoelectric/electrostrictive device has a rotor substantially in the form of a rectangular parallelepiped, and a rotary actuator for angularly displacing the rotor 12. The rotary actuator includes a stationary member, a first vibratory plate and a second vibr... | 07/26/2007 |
| 20070085448 | ULTRASONIC MOTOR An ultrasonic motor includes a circular stator having a piezoelectric element and a comb-tooth body having a plurality of comb teeth which are circumferentially arranged thereon, and a circular rotor having a rotation shaft, the circular rotor being in press-contact wit... | 04/19/2007 |
| 20070080609 | Low loss ultrasound transducers An ultrasound transducer is constructed to be under damped at higher overtone frequencies by reducing losses through one or more of the following: even pressure shaped surfaces on masses, reversed drive to at least one piezoelectric ceramic, an ultrasonically formed met... | 04/12/2007 |
| 20070007857 | Generator Within a power generating arrangement 1 it is typically necessary to provide a coupling with an electrical power distribution cable 5. Previously this was sometimes achieved through use of brush gear and slip rings but such arrangements are subject to regu... | 01/11/2007 |
| 20050212385 | Vibration element and vibration wave driving apparatus A vibration element for a vibration wave driving apparatus includes a first elastic member, a second elastic member, and an electromechanical energy conversion element disposed between the first and second elastic members. The electromechanical energy conversion element... | 09/29/2005 |
