Matches 1 - 50 out of 129 1 2 3 >


Match Document Document Title
US20150062257 SODIUM NIOBATE POWDER, METHOD FOR PRODUCING THE SAME, METHOD FOR PRODUCING CERAMIC, AND PIEZOELECTRIC ELEMENT  
A sodium niobate powder includes sodium niobate particles having a shape of a cuboid and having a side average length of 0.1 μm or more and 100 μm or less, wherein at least one face of each of the...
US20110062823 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...
US20130278113 OSCILLATORY WAVE MOTOR  
An oscillatory wave motor includes an oscillator having an oscillation body and an electro-mechanical energy-converting element, and a flexible heat-conducting member configured to dissipate heat...
US20130255427 PIEZOELECTRIC MOTOR, ROBOT HAND, AND ROBOT  
A piezoelectric motor includes a first supporting member, a second supporting member, a third supporting member, and a fourth supporting member configured to support a piezoelectric element, and...
US20130162104 ULTRASONIC MOTOR  
An ultrasonic motor (10) includes a vibrator (50) and an application means (oscillation circuit 80). A first vibrator area (51) and a second vibrator area (52), which form a vibrator (50), include...
US20120032558 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...
US20120146461 Electromechanical Motor Especially a Piezoelectric Microstepper Motor  
A microstepper motor which comprises two electromechanical drive elements, especially piezoelectric bending actuators, having effective directions that are perpendicular to each other, These...
US20050258711 Ultrasonic vibrator and ultrasonic motor including ultrasonic vibrator  
An ultrasonic vibrator includes a piezoelectric laminated-section; a frictional contact-section serving as a driving point upon coming into contact with a moving-table serving as a driven body;...
US20110278987 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...
US20090058227 PIEZOELECTRIC MOTOR AND CAMERA DEVICE  
A piezoelectric motor includes: a base; first and second piezoelectric elements that are provided symmetrically on the base to face with each other, the first and second piezoelectric elements...
US20110057544 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...
US20100019621 ULTRASONIC MOTOR AND ULTRASONIC MOTOR APPARATUS RETAINING THE SAME  
An ultrasonic motor according to an aspect of the invention includes at least a piezoelectric element that is an oscillator whose section perpendicular to a central axis has a rectangular length...
US20110187231 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...
US20150054384 ACTUATOR  
The actuator includes a vibration plate including a fixing portion for fixing the vibration plate to a holding member, and a connection portion for connecting a center portion and the fixing...
US20110204748 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...
US20110043076 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...
US20090251026 Piezo Electric Linear Motor  
The present invention relates to a piezoelectric linear motor that can make relatively low abrasion and accurate linear movement since stationary AC voltages are applied to two piezoelectric...
US20110187230 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...
US20100072858 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...
US20110187228 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...
US20130049536 PIEZOELECTRIC QUASI-RESONANCE LINEAR MOTORS BASED ON ACOUSTIC STANDING WAVES WITH COMBINED RESONATOR  
A piezoelectric device includes a piezoresonator body (3) having opposing first and second surfaces and opposing third and fourth surfaces. The device also includes at least one common electrode...
US20150042209 ULTRASONIC ACTUATOR  
The invention relates to an ultrasonic actuator (2) with a polarization axis P, said actuator being made of a piezoelectric ceramic. The ultrasonic actuator (2) has a temperature expansion...
US20140125200 VIBRATION WAVE ACTUATOR  
A vibration wave actuator includes a vibrator, a driven element, and a magnet. The vibrator has at least an electro-mechanical energy conversion element and an elastic body to which the...
US20110199696 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...
US20090225388 CONTROLLABLY COUPLED PIEZOELECTRIC MOTORS  
A mirror system comprising: a mirror; at least one piezoelectric motor having a coupling surface for coupling the motor to a moveable body; at least one spherical contact surface coupled to the...
US20140319965 ACTUATOR  
An actuator includes the first and the second extendable driver portions. The first extendable driver portion includes an electrolyte layer laminated with electrode layers each including an...
US20110095650 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...
US20100213792 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...
US20120098468 ELECTROMECHANICAL MOTOR  
An electromechanical motor includes an actuator assembly and a body to be driven in a driving direction. The actuator assembly has an actuator backing, a first actuator and a second actuator. The...
US20150229240 ULTRASONIC MOTOR  
An ultrasonic motor having an ultrasound actuator in the form of a piezoelectric hollow cylinder with friction elements on at least one of its end surfaces, and having a rotor in effective contact...
US20090267456 LINEAR DRIVE ULTRASONIC MOTOR  
A linear drive ultrasonic motor includes at least an ultrasonic vibrator having a piezoelectric element, a driven member which is driven by a frictional force between the driven member and the...
US20120169181 Piezoelectric Actuator  
Disclosed herein is a piezoelectric actuator. According to the present invention, the manufacturing cost of the piezoelectric actuator can be reduced by simplifying the patterns of electrodes...
US20100156240 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...
US20090073532 SCANNER ACTUATING DEVICE  
A scanner actuating device is disclosed. According to an embodiment of the present invention, the scanner actuating device can include a piezo actuator, which includes a plurality of piezo...
US20140152149 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...
US20110304242 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...
US20130113339 VIBRATION TYPE DRIVING DEVICE  
A vibration type driving device includes a vibrator configured to make an elliptic motion of a contact portion by combining vibrations in different vibration modes, and a driven body configured to...
US20090051249 Ultrasonic Motor  
Provided is an ultrasonic motor capable of realizing high torque. When two terminals are selected from a first terminal (31t), a second terminal (32t), and a third terminal (33t) of a vibrator...
US20080284285 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...
US20090243435 ELECTROMECHANICAL MOTOR  
The invention relates to an electromechanical motor having a stator that has a drive unit and a frame component in which the drive unit is held, and a sliding element that is constructed such...
US20110241488 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...
US20100060107 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...
US20110187229 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...
US20090256445 ULTRASONIC MOTOR AND ULTRASONIC VIBRATOR  
An ultrasonic motor includes a driven object, a piezoelectric element for driving the driven object, a vibration plate including a notch having an inner peripheral surface of an arc-shaped form...
US20090002500 DRIVE DEVICE AND IMAGE STABILIZER  
A drive device includes an actuator, a fixed member, a movable member, rotating members, and a guide member. The actuator is arranged on the fixed member, and includes a piezoelectric element and...
US20090303622 VIBRATING ELEMENT, VIBRATION ACTUATOR, LENS BARREL, CAMERA SYSTEM AND METHOD FOR DRIVING VIBRATION ACTUATOR  
To provide a vibrating element which can be driven by a low voltage, a vibration actuator, a lens barrel, a camera system and a method for driving a vibration actuator. A vibrating element (10) is...
US20120274181 VIBRATION WAVE DRIVING APPARATUS  
A vibration wave driving apparatus capable of matching the vibration direction of a projecting portion of a vibrator to the displacement direction of a contacting portion of a driven body so that...
US20130193803 ULTRASONIC MOTOR AND LENS DRIVING APPARATUS  
An ultrasonic motor includes a vibrator configured to generate an elliptical vibration, a driven member configured to be driven by the vibrator, wherein the driven member is driven according to...
US20110096423 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...
US20140001923 COMPOSITE POLARIZATION TYPE PIEZOELECTRIC ACTUATOR  
The present invention discloses a composite polarization type piezoelectric actuator comprising a ceramic element having a first polarizing region and a second polarizing region, wherein the first...

Matches 1 - 50 out of 129 1 2 3 >