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| Application No. | Application Title | Issue Date |
| 20120038247 | ULTRASONIC MOTOR An ultrasonic motor includes a transducer configured to be assembled as one unit by a piezoelectric device, a holding member, and a friction contact member, a hollow rotor configured to contact the friction contact member, a first driving force transmitting member, a pr... | 02/16/2012 |
| 20120038246 | ULTRASONIC MOTOR An ultrasonic motor includes a transducer configured to be assembled as one unit by a piezoelectric device, a holding member, and a friction contact member, a hollow rotor configured to contact the friction contact member, the rotor rotating around a shaft in a directio... | 02/16/2012 |
| 20120032558 | ULTRASONIC MOTOR In an ultrasonic motor, an elliptical vibration is generated by combining a longitudinal primary resonance vibration, resulting from an expansion and a contraction of a vibrator in a direction of a central axis, and a torsional secondary resonance vibration or a torsion... | 02/09/2012 |
| 20120019104 | TRANSDUCER AND ULTRASONIC MOTOR According to one embodiment, a transducer includes, a first transducer member, a second transducer member, and a coupling member. The first transducer member including a piezoelectric element in which longitudinal vibration and bending vibration are excited by applicati... | 01/26/2012 |
| 20110309722 | VIBRATION-TYPE DRIVING APPARATUS A vibration-type driving apparatus including: a vibrator holder wherein a plurality of vibrators each having at least an electro-mechanical energy conversion element and a elastic member having a contact portion formed therein are connected to a vibrator holding member,... | 12/22/2011 |
| 20110304242 | VIBRATION-TYPE DRIVING DEVICE A vibration-type driving device according to the present invention includes a plurality of vibrators in which contact portions perform an elliptical motion using a combination of vibrations in different vibration modes; and a driven object having contact regions that co... | 12/15/2011 |
| 20110278987 | VIBRATION WAVE ACTUATOR Provided is a vibration wave actuator including: a vibrator including at least an electro-mechanical energy conversion element and an elastic body to which the electro-mechanical energy conversion element is joined, the elastic body including a contact portion formed th... | 11/17/2011 |
| 20110241488 | VIBRATION TYPE ACTUATOR, VIBRATOR, AND VIBRATOR MANUFACTURING METHOD A vibration type actuator providing a satisfactory actuator performance even when an increase in speed is achieved and having a contact spring. The actuator includes a vibrator equipped with an electrical-mechanical energy conversion element, an elastic member to which ... | 10/06/2011 |
| 20110234050 | VIBRATION TYPE DRIVING APPARATUS A vibration type driving apparatus is provided, in which a plurality of vibration members include rotation units that are formed so as to be rotatable around respective rotation axes that are parallel to respective directions of forces generated by elliptical movements;... | 09/29/2011 |
| 20110227454 | VIBRATOR IN VIBRATION TYPE DRIVING APPARATUS AND MANUFACTURING METHOD THEREOF A vibrator which constitutes a vibrating device of a vibration-type driving apparatus which comprises the vibrating device bonded to an electromechanical-energy-conversion element and comprising the vibrator having a projection portion, in which the vibrating device is ... | 09/22/2011 |
| 20110204748 | ULTRASONIC MOTOR An elliptical vibration is generated by combining a longitudinal primary resonance vibration of the vibrator resulting from an expansion and a contraction of the vibrator in a direction of the central axis and a torsional resonance vibration resulting from twisting of t... | 08/25/2011 |
| 20110199696 | PIEZOELECTRIC ACTUATOR ASSEMBLY AND OPTICAL SYSTEM INCLUDING THE SAME An optical system includes a housing, a lens assembly, and a piezoelectric actuator assembly. The lens assembly includes a lens unit having at least one lens, and a lens frame that supports the lens unit and moves in the housing. The piezoelectric actuator assembly incl... | 08/18/2011 |
| 20110187229 | ULTRASONIC MOTOR An ultrasonic motor is configured as follows. Namely, the ultrasonic motor includes an oscillator whose cross section vertical to a central axis has a rectangular shape which has a predetermined length ratio of a narrow side and a wide side, wherein the oscillator compr... | 08/04/2011 |
| 20110187231 | ULTRASONIC MOTOR In an ultrasonic motor, an elliptical vibration is generated by combining a longitudinal primary resonance vibration resulting from an expansion and a contraction of a vibrator in a direction of a central axis and a torsional secondary resonance vibration or a torsional... | 08/04/2011 |
| 20110187230 | ULTRASONIC MOTOR In an ultrasonic motor, an elliptical vibration is generated by combining a longitudinal primary resonance vibration resulting from an expansion and a contraction of a vibrator in a direction of a central axis and a torsional secondary resonance vibration or a torsional... | 08/04/2011 |
| 20110187228 | ULTRASONIC MOTOR An ultrasonic motor is configured as follows. Namely, the ultrasonic motor includes an oscillator which is configured to has a shape that conforms a resonant frequency of longitudinal oscillation exited in the oscillator to a resonant frequency of torsional oscillation,... | 08/04/2011 |
| 20110175491 | PIEZOELECTRIC ACTUATOR A piezoelectric actuator has a piezoelectric element adapted to simultaneously generate first and second vibration modes in response to a voltage applied thereto. The piezoelectric element has one outer surface including a first region and a second region projecting fro... | 07/21/2011 |
| 20110163633 | ULTRASONIC MOTOR An ultrasonic motor for driving a driven object with a multi-degree of freedom includes a vibrator configured to simultaneously excite two vibration modes to generate an elliptic vibration on an output surface thereof, a driven object configured to be driven by the elli... | 07/07/2011 |
| 20110096423 | PIEZOELECTRIC ACTUATOR, LENS BARREL AND OPTICAL DEVICE A piezoelectric actuator having reduced sizes, a lens barrel and an optical device. A piezoelectric actuator is provided with: a first actuator including first piezoelectric elements to be displaced in a first direction; a second actuator, which includes second piezoele... | 04/28/2011 |
| 20110095650 | ULTRASONIC MOTOR An ultrasonic motor is configured as follows. Namely, the ultrasonic motor includes a vibrator, a rotor, a press mechanism, a frame, and a regulating unit. The vibrator's section perpendicular to a central axis has a rectangular shape, in which a ratio of a short side t... | 04/28/2011 |
| 20110062823 | VIBRATION WAVE DRIVING DEVICE A vibration wave driving device comprises a vibrator having an electromechanical conversion device, a supporting member for supporting the vibrator, and a driven member brought into contact with a part of the vibrator driven frictionally by vibration excited in the vibr... | 03/17/2011 |
| 20110057544 | ULTRASONIC MOTOR Elliptical vibrations are generated by combining longitudinal primary resonance vibrations resulting from expansion and contraction of a vibrator in a direction of a central axis and torsional secondary resonance vibrations or torsional tertiary resonance vibrations res... | 03/10/2011 |
| 20110043076 | ULTRASONIC MOTOR An ultrasonic motor includes a vibrator, a mobile unit, a holding mechanism, and a pressing mechanism. The vibrator generates elliptical vibration by degenerating different vibration modes and having a phase difference between the different vibration modes. The mobile u... | 02/24/2011 |
| 20110025169 | PIEZOELECTRIC DRIVE UNIT Disclosed are a piezoelectric drive unit (10) and a method for operating such a drive unit in order to adjust movable parts (11), especially in a motor vehicle. Said piezoelectric drive unit (10) comprises at least one piezo motor (12) that i... | 02/03/2011 |
| 20110006640 | PIEZOELECTRIC DRIVE DEVICE The invention relates to a piezoelectric drive device for adjusting movable parts (11), particularly in a motor vehicle, having a piezo motor (12) having at least one piezo actuator comprising an electric piezo element, wherein at least one friction elemen... | 01/13/2011 |
| 20110002057 | VIBRATION ACTUATOR, LENS BARREL, CAMERA, MANUFACTURING METHOD FOR VIBRATION BODY AND MANUFACTURING METHOD FOR VIBRATION ACTUATOR To provide a vibration actuator, a lens barrel, a camera, a manufacturing method for a vibration body and a manufacturing method for a vibration actuator, which have a high driving efficiency and can lead to easy manufacture. A vibration actuator of the present inventio... | 01/06/2011 |
| 20100245518 | PIEZOELECTRIC MOTOR, LIQUID EJECTING APPARATUS AND TIMEPIECE A piezoelectric motor includes: a piezoelectric actuator; and a driven portion. The piezoelectric actuator includes a piezoelectric element and a vibration member. The piezoelectric element has a piezoelectric layer and a first and a second electrode provided on both su... | 09/30/2010 |
| 20100245517 | PIEZOELECTRIC MOTOR, LIQUID EJECTING APPARATUS, AND CLOCK A piezoelectric motor includes a piezoelectric element having a piezoelectric layer, and a first and a second electrodes, the first electrode provided on one surface side of the piezoelectric layer, and the second electrode provided on the other surface side of the piez... | 09/30/2010 |
| 20100213792 | MULTILAYERED PIEZOELECTRIC ELEMENT AND ULTRASONIC MOTOR A multilayered piezoelectric element in which first internal electrodes include first exposed portions formed at the end portion of a first piezoelectric material. And the second internal electrodes include second exposed portions formed at the end portion of a second p... | 08/26/2010 |
| 20100181870 | VIBRATORY ACTUATOR AND DRIVE UNIT INCLUDING THE SAME The drive efficiency of a vibratory actuator is improved without increasing a weight of a driver element. An ultrasonic actuator (2) includes an actuator body (4) for generating longitudinal vibration and bending vibration, an... | 07/22/2010 |
| 20100176687 | VIBRATORY ACTUATOR AND DRIVE UNIT INCLUDING THE SAME Damage of a piezoelectric element due to deformation of a piezoelectric element beyond an elastic limit is prevented. An ultrasonic actuator (2) includes an actuator body (4), a case (5), and a support unit (6). ... | 07/15/2010 |
| 20100177603 | PIEZOELECTRIC DRIVE DEVICE AND ELECTRONIC DEVICE A piezoelectric drive device includes a piezoelectric actuator and a rotation transfer device. The piezoelectric actuator includes a vibrator and a rotor that is rotated in one specific direction by the vibrator. The rotation transfer device transmits rotational energy ... | 07/15/2010 |
| 20100156240 | PIEZOELECTRIC MOTOR A piezoelectric motor includes a piezoresonator body (3) having opposing front and back surfaces and opposing first and second end surfaces. The front (17) and the back (18) surfaces are substantially parallel to first (15) and second (16<... | 06/24/2010 |
| 20100141091 | ULTRASONIC MOTOR An ultrasonic motor in which longitudinal vibration and flexural vibration are induced at the same time to generate elliptical vibration and driving force is obtained from the elliptical vibration to drive a driven body relatively. The ultrasonic motor includes a piezoe... | 06/10/2010 |
| 20100133956 | ULTRASONIC ACTUATOR An ultrasonic actuator (3) includes an actuator body (4) performing a plurality of vibrations including a bending vibration, and a driver element (5) which is attached to a long side surface (40b) of the actuator body (4), and o... | 06/03/2010 |
| 20100109477 | PRESTRESS-ADJUSTABLE PIEZOELECTRIC GRIPPING DEVICE A prestress-adjustable piezoelectric gripping device is provided, in which a prestressing device adjusts a prestressing force applied to a piezoelectric element of a piezoelectric unit on the basis of a feedback signal from a force-sensing unit, so as to adjust the fric... | 05/06/2010 |
| 20100096948 | ULTRASONIC MOTOR An ultrasonic motor, which drives a driven member using an elliptical vibration produced by synthesizing a longitudinal vibrational mode and a flexural vibrational mode as a drive force, is configured as follows. Namely, the ultrasonic motor includes a piezoelectric dev... | 04/22/2010 |
| 20100072858 | VIBRATOR FOR ULTRASONIC MOTOR In the invention, each piezoelectric element for a vibrator for an ultrasonic motor has electrode regions for exciting stretching vibration and flexural vibration separately. Thus, the invention provides a vibrator for an ultrasonic motor, in which electrodes are provid... | 03/25/2010 |
| 20100060107 | VIBRATION WAVE DRIVING DEVICE A vibration wave driving device comprises a vibrator having an electromechanical conversion device, a supporting member for supporting the vibrator, and a driven member brought into contact with a part of the vibrator driven frictionally by vibration excited in the vibr... | 03/11/2010 |
| 20100038996 | Semi-resonant driving systems and methods thereof A driving system in accordance with embodiments of the present invention includes a structure and a vibration system. The structure has at least one point to frictional couple to and drive a movable element in one of at least two directions. The structure also has at le... | 02/18/2010 |
