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Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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Class 310/369 - Circular disc, ring, or cylinder


Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter wherein the overall shape of the piezoelectric
No. of patents: 350
Last issue date: 05/15/2012


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NumberTitleIssue Date
8179027Coating for actuator and method of applying coating
A method includes applying a lip, comprised of a first material, along at least a portion of an actuator of an electronic device, and applying a coating, comprised of an elastic material, to cover a part of the actuator, the coating disposed to facilitate actuation ...
05/15/2012
8115367Piezoelectric actuator provided with a displacement meter, piezoelectric element, and positioning device
By resistor attached by a piezoelectric element, measurement with high accuracy is possible by strain of the piezoelectric element. A piezoelectric actuator includes the piezoelectric element which is formed into an arbitrary shape, polarized in an arbitrary directi...
02/14/2012
8058780Circular cylinder type piezoelectric actuator and piezoelectric element and scanning probe microscope using those
The cylindrical piezoelectric actuator which comprised a piezoelectric element which provided electrode in each of an inner peripheral face and an outer peripheral face which was cylindrical at least, and drive power supply to drive it. And the outer side electrode ...
11/15/2011
7915792Elastomer actuator
An actuator includes a spirally rolled cylindrical sheet body. The sheet body is formed by attaching an electrode on each side of a dielectric elastomer layer. When a voltage is applied to the electrodes, the sheet body is contracted along the direction of its thick...
03/29/2011
7893603Apparatus for determining and/or monitoring a process variable
An apparatus for determining and/or monitoring a process variable of a medium. The apparatus includes: An oscillatable unit secured on a membrane; a sending/receiving unit, which excites the membrane and the oscillatable unit to oscillate and which receives oscillat...
02/22/2011
7732999Direct acting capacitive transducer
A capacitive transducer having a significantly increased actuation force and improved response time as compared to similar prior art capacitive transducers. In the capacitive transducer of the present invention it is not necessary to balance response time and actuat...
06/08/2010
7732998Telescoping cylindrical piezoelectric fiber composite actuator assemblies
A telescoping actuator assembly includes a plurality of cylindrical actuators in a concentric arrangement. Each cylindrical actuator is at least one piezoelectric fiber composite actuator having a plurality of piezoelectric fibers extending parallel to one another a...
06/08/2010
7629730Piezoelectric electroacoustic transducing device
In order to simultaneously realize both improvements of the acoustic performance of a bimorph piezoelectric electroacoustic transducing device and the productivity, in a bimorph piezoelectric vibrator 10 in which a disk-like first piezoelectric element 12
12/08/2009
7622855Actuator, liquid droplet ejecting head, liquid droplet ejecting device, and method of manufacturing actuator
An actuator has: a piezoelectric body formed in a shape of a tube and having an inner side wall, which faces a hollow portion of the tube, and an outer side wall, which is structured at an outer side of the tube; a first electrode formed at the inner side wall of th...
11/24/2009
7608988Cylindrical piezoelectric unit and printer head having the same
A piezoelectric unit includes a first piezoelectric member having a tubular shape, a second piezoelectric member inserted into a first opening of the first piezoelectric member, and a voltage applying member applying a driving voltage to the first and second piezoel...
10/27/2009
7545086Driver using electromechanical energy transducer
A driver includes an electromechanical energy transducer deformed by applying and removing voltage, a supporting member having the electromechanical energy transducer joined thereto for transmitting movement of the electromechanical energy transducer resulting from ...
06/09/2009
7531948Stacked piezoelectric element, manufacturing method thereof and vibration wave driving apparatus
A stacked piezoelectric element comprising that can suppress periodic damping on miniaturization of a vibration wave motor and improve its performance. A stacked piezoelectric element comprises piezoelectric layers and electrode layers alternately stacked to have a ...
05/12/2009
7492078Circular piezoelectric apparatus
A circular piezoelectric apparatus includes an electrode assembly which has an independent electrode located on a perimeter side wall of the circular piezoelectric apparatus and two separated electrodes located respectively at two opposite surfaces of the circular p...
02/17/2009
7432631Piezoelectric thin-film resonator and filter and fabricating method
A piezoelectric thin-film resonator includes a device substrate and a laminated body provided on the device substrate and composed of a lower electrode, an upper electrode and a piezoelectric film sandwiched between the lower and upper electrodes. The laminated body...
10/07/2008
7400080Elastomer actuator and a method of making an actuator
A tubular elastomer actuator with a shape in a cross-sectional view which shape exposes at most one single axis of symmetry of a specific length, e.g. an oval shape. The actuator could be made from a sheet made from a plurality of plate shaped elements which are lam...
07/15/2008
7394183Kinetic micro-generator: a method of generating electrical current via magnetostriction and the piezoelectric effect
An apparatus constructed from a combination of a magnetic north orienting lodestone, magnetostrictive ferrogel, and piezoelectric crystals can generate electrical current when exposed to kinetic motion. The apparatus is built in the shape of a geodesic sphere with t...
07/01/2008
7378782IDT electroded piezoelectric diaphragms
The disclosed invention relates to achieving micromachined piezoelectrically-actuated diaphragms. The piezoelectric diaphragm includes a central, inactive electrode free region and an annular shaped interdigitated electrode adjacent to the outer periphery of the cen...
05/27/2008
7370894On demand morphable automotive body moldings and surfaces
A morphable vehicle member utilizing at least one active material to change at least one attribute in response to an activation signal. The change in at least one attribute is a change in a shape dimension, a shape orientation, an expansion, a contraction, a morphin...
05/13/2008
7369347Apparatus and method for piezoelectric layer as vertical micro-actuator in slider of a hard disk drive
Slider used to access data on rotating disk in hard disk drive, including vertical micro-actuator forming piezoelectric layer perpendicular to air bearing surface and coupled to deformation region including read-write head. Slider further includes vertical control s...
05/06/2008
7345403Lamination-type piezoelectric element and manufacturing method thereof
A method of manufacturing a lamination-type piezoelectric element includes forming a ceramic laminated body in which ceramic layers and inner electrode layers are alternately laminated on each other. A pair of outer electrodes are respectively joined to a pair of jo...
03/18/2008
7345402Piezoelectric thin-film resonator and filter using the same
A piezoelectric thin-film resonator includes a film laminate formed on a device substrate, the film laminate including a lower electrode, a piezoelectric film provided on the device substrate and the lower electrode, and an upper electrode provided on the piezoelect...
03/18/2008
7342350Handheld device having ultrasonic transducer for axial transmission of acoustic signals
A handheld stylus having an elongated housing, a writing and drawing implement disposed within the housing and including a tip extending through an opening at an end of the housing where ultrasonic waves radiate therefrom and are used for determining a position of t...
03/11/2008
7339308Actuating unit for a piezo-electrically controlled fuel injection valve
An actuator unit which is suitable for actuating a fuel injection valve of an injection system for internal combustion engines includes a piezoelectric actuator and a hollow body embodied as a spring. The service life of the actuator unit can be improved by designin...
03/04/2008
7336022Piezoelectrical bending converter
Piezoelectrical bending converter with at least one monolithic layered composite, includes a piezoelectric-active ceramic layer with a lateral dimension change which may be generated by application of an electrical field and at least one further piezoelectric-active...
02/26/2008
7321185Active multistable twisting device
Two similarly shaped, such as rectangular, shells are attached to one another such that they form a resulting thin airfoil-like structure. The resulting device has at least two stable equilibrium shapes. The device can be transformed from one shape to another with a...
01/22/2008
7309397Process for the manufacture of piezoceramic multilayer actuators
A block of stacked green films provided with internal electrodes is laminated, at least one actuator is separated from the block, the actuator obtains its shape by means of a machining operation, is then sintered, and the sinter skin produced by the sintering is use...
12/18/2007
7278679Automotive vehicle with structural panel having selectively deployable shape memory alloy elements
A structural panel for an automotive vehicle includes an outer panel and a variable strength inner panel attached to the outer panel. The inner panel utilizes active elements formed from shape memory alloy (SMA). A controller activates the SMA elements so as to tran...
10/09/2007
7253549Thermionic vacuum diode device with adjustable electrodes
In accordance with one embodiment of the present invention, a Gap Diode is disclosed in which a tubular actuating element serves as both a housing for a pair of electrodes and as a means for controlling the separation between the electrode pair. In a preferred embod...
08/07/2007
7252313On demand morphable automotive body moldings and surfaces
A morphable vehicle member utilizing at least one active material to change at least one attribute in response to an activation signal. The change in at least one attribute is a change in a shape dimension, a shape orientation, an expansion, a contraction, a morphin...
08/07/2007
7247269Method for making a spiral array ultrasound transducer
The present invention relates to a method for making an ablation transducer having a plurality of helical elements that can be operated out of phase to orient the acoustical energy beam forward or backward in the longitudinal direction. The transducers includes a cy...
07/24/2007
7233097Rolled electroactive polymers
The invention describes rolled electroactive polymer devices. The invention also describes employment of these devices in a wide array of applications and methods for their fabrication. A rolled electroactive polymer device converts between electrical and mechanical...
06/19/2007
7227537Touch panel
A touch panel of the present invention in which a piezoelectric substrate is fixed to a movable plate or a supporting substrate has a reduced weight, size, and thickness by providing simpler wiring. The touch panel comprises: a movable plate having an input manipula...
06/05/2007
7221077Ultrasonic transducer and manufacturing method thereof
An ultrasonic transducer includes a piezoelectric member that includes electrodes on two plane portions. The electrodes are fixed and disposed such that part of an acoustic matching layer protrudes at a predetermined position of the hard layer, which makes up the ac...
05/22/2007
7218031Method for operating a piezoelectric motor, and piezoelectric motor comprising a stator in the form of a hollow-cylindrical oscillator
The invention relates to a method for operating a piezoelectric motor having a stator in the form of a hollow-cylindrical oscillator, the at least one front side of which has frictional contact with a rotor and which comprises standing wave generators. According to ...
05/15/2007
7218040Handheld device having ultrasonic transducer for axial transmission of acoustic signals
A handheld stylus having an elongated housing, a writing and drawing implement disposed within the housing and including a tip extending through an opening at an end of the housing where ultrasonic waves radiate therefrom and are used for determining a position of t...
05/15/2007
7205707Laser machining of electroactive ceramics
Laser beam machining is applied to form arbitrarily shaped electroactive ceramics for transducers (e.g., electromechanical sensors and actuators). One particularly preferred embodiment of the invention comprises machining parallel grooves in a ceramic plate to impro...
04/17/2007
7203551Implantable lead-based sensor powered by piezoelectric transformer
In general, the invention is directed to an IMD having a piezoelectric transformer to power a lead-based sensor. The IMD powers the piezoelectric transformer with a low amplitude signal. The piezoelectric transformer serves to convert the voltage level of the low am...
04/10/2007
7202592Piezoelectric transformer, power supply circuit and lighting unit using the same
A piezoelectric transformer includes a piezoelectric ceramic disc having one face and the other face opposite to each other in a thickness direction. A pair of low-impedance portions acting as one of a driving portion and a generator portion are disposed in the piez...
04/10/2007
7190105Sound or ultrasound sensor
A sound or ultrasound sensor having a radiation characteristic with a preferably small beam angle and producing very little interference signals, including a pot-shaped housing closed at its bottom end by a floor, a piezoelectric element for producing and/or receivi...
03/13/2007
7183698Piezoelectric structure
A piezoelectric structure receives input from a voltage source to generate polarization and output voltage. Two surfaces are formed on the direction normal to the polarized direction. One surface has an input electrode electrically connecting to the voltage source a...
02/27/2007
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