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Class 310/323.06 - Piezoelectric element or electrode


Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter having a specific detail of either (a) the
No. of applications: 17
Last issue date: 12/01/2011


Application No.Application TitleIssue Date
20110292528VIBRATION ACTUATOR, METHOD FOR MANUFACTURING VIBRATION ACTUATOR, LENS BARREL AND CAMERA
A vibration actuator having excellent driving performance, a method for manufacturing the vibration actuator, a lens barrel and a camera. The vibration actuator is provided with: an electromechanical conversion element which converts an electric energy into a mechanical...
12/01/2011
20110215675Piezoelectric Oscillator and Ultrasonic Motor
A piezoelectric oscillator that generates a travelling wave using two B (1, n) mode (n is a natural number) standing waves that are out of phase with each other by 90°. On a lower surface of an oscillating body, (4/3)n piezoelectric elements are provided in order to ge...
09/08/2011
20110133602PIEZOELECTRIC MOTOR
Provided is a piezoelectric motor including: a stator which includes first and second faces, wherein a plurality of piezoelectric elements are arranged on the first face, and a plurality of protrusions are formed on the second face; a rotor which is rotated by motions o...
06/09/2011
20110025168VIBRATING BODY AND VIBRATION WAVE ACTUATOR
Provided are a vibrating body and a vibration wave actuator, which can suppress vibration attenuation along with a reduction in size with an inexpensive structure, to thereby improve vibration efficiency, and can output stable vibration energy. A vibrating body includes...
02/03/2011
20100283356VIBRATING BODY FOR VIBRATION WAVE DRIVE DEVICE AND METHOD OF PRODUCING VIBRATING BODY FOR VIBRATION WAVE DRIVE DEVICE
Provided is a method of producing a vibrating body for a vibration wave drive device using a vibrator in which an electromechanical energy conversion element is joined to a vibrating body having a plurality of protruding portions, the method including a first step and a...
11/11/2010
20100284098PIEZOELECTRIC ACTUATOR, LENS BARREL AND CAMERA
A piezoelectric actuator with low susceptibility to friction and rubbing is provided. A piezoelectric actuator of the present invention is provided with protruding portions, first piezoelectric actuators and second piezoelectric actuators. The protruding portions protru...
11/11/2010
20100207488Spherical rotary piezoelectric motor
A spherical rotary piezoelectric motor comprises a spherical rotor, a hemispherical stator, and a plurality of piezoelectric actuators. The hemispherical stator comprises an inner surface and an outer surface, wherein the inner surface forms a hemispherical hollow porti...
08/19/2010
20100007244Piezoelectric Motor and Method of Manufacturing the Same
A piezoelectric motor that includes a rotor and a stator having a surface on which a driving member that is in contact with the rotor for rotating the rotor is disposed. The stator includes a stator body, a plurality of piezoelectric elements disposed on a surface of th...
01/14/2010
20090134744Ring type piezoelectric ultrasonic resonator and piezoelectric ultrasonic rotary motor using the same
A ring type piezoelectric ultrasonic resonator includes a piezoelectric ceramic segmented for each quarter of wavelength of an applied AC electric field, wherein the piezoelectric ceramic is alternately polarized in polarization units each having two segments, and a sin...
05/28/2009
20080297001Miniaturizable Motor
The invention relates to a miniaturizable motor (1) comprising a rotor (12) that is driven by a hollow cylindrical piezo oscillator (2). Said rotor is effectively connected to a frictional face (13) of the piezo oscillator while a main electr...
12/04/2008
20080247059Miniature Piezoelectric Motor and Method of Driving Elements Using Same
The present invention provides a piezoelectric ultrasonic motors and a method of driving a motor with a standing wave. The motors include a thin ring/cylinder-type stator having one or two piezoelectric (ceramic or single crystal) rings/cylinders, coated with a segmente...
10/09/2008
20080238254Screw Thread Driving Polyhedral Ultrasonic Motor
A screw thread driving polyhedral ultrasonic motor includes a stator, a rotor and multiple piezoelectric plates being bonded to the stator or the rotor. The stator and the rotor have screw threads matched with each other. The stator and the rotor are connected via the s...
10/02/2008
20070279928Light emitting apparatus
The light emitting apparatus according to the present invention includes a light source; and an optical component including a fixed member having a through hole, and a wavelength conversion member having at least one part thereof arranged in the through hole, a cut-in p...
12/06/2007
20070018262MICROMACHINE AND PRODUCTION METHOD THEREOF
A micromachine for a high-frequency filter which has a high Q value and a higher frequency band is provided. The micromachine includes an electrode provided on a substrate, an inter-layer insulation film composed of a first insulation film and a second insulation film w...
01/25/2007
20060273689Oscillatory-wave actuator and method for driving oscillatory-wave actuator
An oscillatory-wave actuator is provided capable of simplifying the structure of a driving circuit. Push-up vibration is formed in an oscillating body including three piezoelectrics and an elastic body by applying an AC voltage to the first piezoelectric. The second pie...
12/07/2006
20060220476Laminar Multi-Layer Piezoelecric Roll Component
A multi-layer piezoelectric component includes a plurality of piezoelectric layers, a first inner electrode sheet, a second inner electrode sheet, a first outer electrode, and a second outer electrode. The piezoelectric layers are wound around an axis to form a laminar ...
10/05/2006
20050110369Piezoelectric element, composite piezoelectric element, and filter, duplexer and communication equipment using the same
A piezoelectric element of the present invention includes a substrate, a lower electrode layer, a piezoelectric layer, an upper electrode layer, a cavity portion formed below a piezoelectric vibrating portion, and at least two bridging portions. The at least two bridgin...
05/26/2005
 
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