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| Number | Title | Issue Date |
| 7777395 | Continuous drop emitter with reduced stimulation crosstalk A continuous drop emitter includes a liquid supply chamber containing a liquid held at a positive pressure. First and second nozzles are in fluid communication with the liquid supply chamber and emit first and second continuous streams of a liquid. First and second ... | 08/17/2010 |
| 7612486 | Ultrasonic probe, backing material for ultrasonic probe, and method of manufacturing the same A backing material that is advantageous in insulation property and can realize a desired acoustic impedance without making the cross-linking and curing reaction of elastomer or resin as a parent material unstable. The backing material is provided on a backside of vi... | 11/03/2009 |
| 7545079 | Photoetched ultrasound transducer components A photoetchable glass ceramic is used to form a three dimensional structure for a transducer component. This photostructurable material allows generation of various shapes or structures. For example, a matching layer is formed, in part, using photoetchable glass cer... | 06/09/2009 |
| 7441321 | Method of manufacturing ultrasound transducer device having acoustic backing An ultrasonic transducer device comprising: an ultrasonic transducer array micromachined on a substrate; flexible electrical connections connected to the transducer array; and a body of acoustically attenuative material that supports the substrate and the flexible e... | 10/28/2008 |
| 7425787 | Acoustic galvanic isolator incorporating single insulated decoupled stacked bulk acoustic resonator with acoustically-resonant electrical insulator Embodiments of the acoustic galvanic isolator comprise a carrier signal source, a modulator connected to receive an information signal and the carrier signal, a demodulator, and an electrically-isolating acoustic coupler connected between the modulator and the demod... | 09/16/2008 |
| 7411332 | Electroactive polymer animated devices The present invention relates to animated devices that include one or more electroactive polymer transducers. When actuated by electrical energy, an electroactive polymer produces mechanical deflection in one or more directions. This deflection may be used to produc... | 08/12/2008 |
| 7411335 | Sonic or ultrasonic transducer A sonic or ultrasonic transducer, which is embodied as a radial oscillator. So that the sonic or ultrasonic transducer can be used at high temperatures, a matching layer is located between the radial oscillator and the atmosphere into which the ultrasonic signals ar... | 08/12/2008 |
| 7400217 | Decoupled stacked bulk acoustic resonator band-pass filter with controllable pass bandwith The band-pass filter has an upper film bulk acoustic resonator (FBAR), an upper FBAR stacked on the lower FBAR, and, between the FBARs, an acoustic decoupler comprising a layer of acoustic decoupling material. Each of the FBARs has opposed planar electrodes and a pi... | 07/15/2008 |
| 7368854 | Actuator An actuator comprises: an electro-mechanical conversion element; a driving frictional member mounted onto one side in an extension/contraction direction of the electro-mechanical conversion element, the driving frictional member being frictionally engaged with a dri... | 05/06/2008 |
| 7360996 | Wind blade assembly and method for damping load or strain The transducers are incorporated in or laminated to wind blades and electrically connected to a self-powered electrical circuit. The transducers in combination with the self-powered electrical circuit improve the wind blades' response to changing wind conditions by ... | 04/22/2008 |
| 7358645 | Backing, transducer array and method for thermal survival Backing blocks, transducer arrays and methods are provided for thermal cycle survivability. By decoupling a portion of the backing block from a case used to contain the transducer stack, the greater thermal expansion properties of most backing blocks may be minimize... | 04/15/2008 |
| 7353708 | Ultrasonic generator system The system controls the frequency of an ultrasonic signal to be applied to a waveguide, such that the frequency corresponds to a preferred resonance mode of the waveguide and not to adjacent undesirable resonance modes. The system operates by carrying out a first sc... | 04/08/2008 |
| 7353593 | Method for assembling micro structures A method for making three-dimensional structures comprises providing a plurality of components, each of which is moveably coupled to a substrate. The components may be pivotally coupled to the substrate by one or more micromachined hinges. The components are moved u... | 04/08/2008 |
| 7353695 | Methods and apparatus for determining properties of a fluid A method and system for determining properties of a fluid involves interacting the fluid with a standing wave in a first state to establish the standing wave in a second state, analyzing an electric signal associated with the standing wave to determine a characteris... | 04/08/2008 |
| 7319106 | Diazabicyclic central nervous system active agents Compounds of formula I pharmaceutical compositions of these compounds, and use of said compositions to control synaptic transmission in mammals. ... | 01/15/2008 |
| 7316419 | Damped steering assembly A steering column for a motor vehicle includes upper steering-column portion, a lower steering-column portion, and a damping body for coupling the upper and lower steering-column portions, with piezoelectric elements being integrated in the damping body. These piezo... | 01/08/2008 |
| 7312556 | Ultrasonic probe and manufacturing process thereof The invention relates to an ultrasonic probe in which the array accuracy of lead wires, and heat resistance when connecting to a connector are enhanced, and a manufacturing method therefor. The ultrasonic probe of the invention is one in which a plurality of piezoel... | 12/25/2007 |
| 7312674 | Resonator system with a plurality of individual mechanically coupled resonators and method of making same A resonator system wherein a plurality of resonators each including piezoelectric material are suspended relative to a substrate. An edge of each resonator is mechanically coupled to an edge of another resonator and the plurality of resonators expand and contract re... | 12/25/2007 |
| 7309944 | Piezoactuator and method for production of the piezoactuator A piezoactuator, includes at least one stacked piezoelement, with at least two electrode layers, arranged one over the other along a stacking direction of the piezoelement, at least one piezoelectric layer, arranged between two of the electrode layers and at least o... | 12/18/2007 |
| 7304413 | Piezooscillator A piezooscillator having a piezoelectric resonator, composed of: a case surrounding a space where the piezoelectric resonator is provided and including a substrate and a cover; a buffer material supporting the piezoelectric resonator and suppressing a shock conveyed... | 12/04/2007 |
| 7288878 | Piezoelectric transducer assembly A transducer assembly may comprise a thickness-mode piezoelectric ceramic body, a pair of foil conductors with mesh end portions, and a coupling medium used to fill in the interstices in the meshes. The foil conductors are held in contact with the electrode layers b... | 10/30/2007 |
| 7275440 | Loop-shaped ultrasound generator and use in reaction systems Ultrasound for use in chemical reactions is generated by an electromagnet formed from an ultrasound transducer whose central feature is a loop of magnetostrictive material wound with coils oriented to produce an oscillating magnetostrictive force when an oscillating... | 10/02/2007 |
| 7263874 | Methods and apparatus for determining properties of a fluid A method and system for determining properties of a fluid involves interacting the fluid with a standing wave in a first state to establish the standing wave in a second state, analyzing an electric signal associated with the standing wave to determine a characteris... | 09/04/2007 |
| 7258428 | Multiple head concentric encapsulation system A multi-headed ink-jet system adapted to eject encapsulated liquids is provided, which includes a plurality of concentric piezoelectric members. Each concentric piezoelectric member has a chamber configured to carry a liquid therethrough, and each concentric piezoel... | 08/21/2007 |
| 7247978 | Acceleration tolerant piezoelectric resonator The invention relates to piezoelectric resonators. An interposer element is used between a resonating plate and the resonator package to provide improved (i.e. reduced) acceleration sensitivity. The interposer element is preferably of similar thermal expansion chara... | 07/24/2007 |
| 7233828 | Self-contained electrotherapy A device for applying a therapeutic electrical field to a user's body includes an electroactive material shaped for application to a user body to provide a therapeutic electric field in response to pressure applied to the electroactive material and one or more elect... | 06/19/2007 |
| 7233829 | Electric field shark repellent wet suit An article of clothing for use in water includes an electroactive material integrated into the clothing, at least one electrode integrated into the clothing and wherein the electroactive material is adapted to release electrical impulses into the water. A method of ... | 06/19/2007 |
| 7208786 | Memory device A memory device comprising a layer of piezoelectric material and a layer of ferroelectric material clamped together such that a voltage applied to one layer results in a voltage being generated across the other layer. The method of data storage and retrieval compris... | 04/24/2007 |
| 7199683 | BAW resonator A BAW resonator includes a resonator region having a piezo-electric layer between two excitation electrodes, wherein an acoustic standing wave forms when operating the BAW resonator at a resonant frequency. Furthermore, the BAW resonator includes a leaky wave reflec... | 04/03/2007 |
| 7195331 | Hydroelectric coupling for a printhead and a printer equipped with one such coupling An ink jet printer is characterised in that a connection part (1) of an umbilical connected to a connection part of a print head of the printer, comprises: first (12, 13, 14, 15, 17, 18, 20–23, 25) and second means ... | 03/27/2007 |
| 7190105 | Sound 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 |
| 7187108 | Ultrasonic probe The invention is constructed such that, in an ultrasonic probe in which a peripheral side face of a piezoelectric plate is covered with a shielding case, and an acoustic matching layer is provided on an ultrasonic wave transmission reception face including the piezo... | 03/06/2007 |
| 7186131 | Vibration isolated transducer connector A transducer including a transducer body, a sensor associated with the transducer body, an electrical connector assembly fastened to an end of the transducer body, and a vibration damper system disposed between the end of the transducer body and the electrical conne... | 03/06/2007 |
| 7183690 | Resonance shifting A piezoelectric vibrator comprising: a thin rectangular piezoelectric plate formed of a material having a Young's modulus having two short edge surfaces and two long edge surfaces and two large planar face surfaces which plate has transverse resonant vibration modes... | 02/27/2007 |
| 7175105 | Actuator for a fuel injector of an internal combustion engine In order to increase the lifetime for a piezoactuator of a fuel injector and to make possible a reliable seal of the piezoactor especially for comparatively thin head plates as well a gas exchange passage running through an actuator housing (52, 54) is provid... | 02/13/2007 |
| 7161448 | Acoustic resonator performance enhancements using recessed region An acoustic resonator includes a substrate, a first electrode, a layer of piezoelectric material, a second electrode, and a recessed region. The substrate has a first surface. The first electrode is adjacent the first surface of the substrate. The layer of piezoelec... | 01/09/2007 |
| 7161447 | Piezoelectric resonator, piezoelectric filter, and communication apparatus A piezoelectric resonator includes a supporting substrate having an opening or a concavity, a vibrating section in which at least one pair of an upper electrode and a lower electrode oppose each other so as to sandwich an upper surface and a lower surface of at leas... | 01/09/2007 |
| 7157835 | Oscillating-type generator An oscillating-type generator is provided in which an impact member impacts piezoelectric elements to generate electricity and which can efficiently increase the number of impacts and generate a large amount of electricity. This oscillating-type generator includes: ... | 01/02/2007 |
| 7150386 | Systems and structures for supporting vibrators An object of the present invention is to provide a novel system for supporting a vibrator having a terminal for electrical connection so that the vibrator may be miniaturized and the deviation of vibration property among vibrators mounted on the supporting systems m... | 12/19/2006 |
| 7151837 | Loudspeaker A bending wave loudspeaker includes a transparent acoustic radiator capable of supporting bending wave vibration and an electromechanical force transducer mounted to the acoustic radiator to excite bending waves in the acoustic radiator to produce an acoustic output... | 12/19/2006 |
