Did You Know...
...that the Band-Aid Bandage was invented by a Johnson & Johnson employee whose wife had cut herself? Earl Dickson's wife was rather accident prone, so he set out to develop a bandage that she could apply without help. He placed a small piece of gauze in the center of a small piece of surgical tape, and what we know today as the Band Aid bandage was born!
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| Number | Title | Issue Date |
| 7999436 | Electroacoustic component An electroacoustic component that includes a substrate made of monocrystalline LiNbO3 is disclosed. In the component, a first Euler angle λ of the monocrystalline LiNbO3 is: λ≈0°, a second Euler angle μ of the monocrystalline LiNbO3 ... | 08/16/2011 |
| 7928636 | Receiving sleeve for an actuator body A receiving sleeve (1) for an actuator body, in particular for holding a piezoelectric stack of a piezoelectric actuator, is used to drive an injector of an injection system for an internal combustion engine. The sleeve is equipped with at least one spring el... | 04/19/2011 |
| 7808158 | Flow driven piezoelectric energy harvesting device An electrical generator includes a fluid-flow driven impeller including at least one impact arm; and at least one cantilevered beam disposed such that the impact arm strikes the cantilevered beam as the impeller rotates. The cantilevered beam at least partially incl... | 10/05/2010 |
| 7791254 | Hybrid ultrasound transducer In a nondestructive testing system, a preamplifier is connected to a piezoelectric element and is tuned to optimize the amplitude of a signal input to the piezoelectric element and the shape of a response signal. A receiver amplifier couples the signal received from... | 09/07/2010 |
| 7589455 | Capacitive micromachined ultrasonic transducer and production method of same A capacitive micromachined ultrasonic transducer (cMUT) is constituted by a plurality of transducer elements comprising plural transducer cells that are mutually connected in parallel and comprises: a silicon substrate; a bottom electrode placed on the top surface o... | 09/15/2009 |
| 7535151 | Single phase unidirectional surface acoustic wave transducer and improved reflectors A unidirectional transducer for a surface acoustic wave (SAW) device. In one embodiment the device includes (1) a defined area on a piezoelectric substrate within which is located an open circuit reflector perpendicular to the SAW direction of propagation; and a pai... | 05/19/2009 |
| 7525240 | Electronic component Provided is an electronic component capable of securely soldering an external terminal such as a lead wire to each terminal electrode, while preventing overflow of solder from the area on the terminal electrode. In the electronic component as a multilayer pie... | 04/28/2009 |
| 7525236 | Piezoelectric element unit, manufacturing method of the same, and liquid ejecting head using the same A piezoelectric element unit includes a piezoelectric element group, a fixing plate, and a wiring member. The piezoelectric element group includes an array of piezoelectric elements, each piezoelectric element having an external electrode. A rear portion of the piez... | 04/28/2009 |
| 7508114 | Ultrasonic motor It is an object to provide an ultrasonic motor that can stably and finely (that is, minutely) move a driven body. The invention provides an ultrasonic motor comprising an ultrasonic vibrator which includes an electromechanical transducer and which is configured to s... | 03/24/2009 |
| 7497558 | Piezoelectric actuator and liquid-droplet jetting head A piezoelectric actuator includes individual inner-electrodes arranged between stacked ceramic sheets, individual surface-electrodes arranged in a row in a row-direction on a top surface of the stacked ceramic sheets, and connection electrodes connecting the individ... | 03/03/2009 |
| 7481519 | Actuator device and liquid-jet head An actuator device includes a plurality of piezoelectric elements formed on a surface of a substrate. Each piezoelectric element is configured of a piezoelectric layer, an upper electrode, and a lower electrode that is formed across the plurality of piezoelectric el... | 01/27/2009 |
| 7471032 | Shock resistant and mode mixing resistant torsional hinged device A shock resistant and mode mixing resistant assembly for oscillating a device such as a MEMS mirror around a pivot axis by means of two pairs of piezoelectric elements or towers is provided. The resistance to mechanical shock and mode mixing is accomplished by mount... | 12/30/2008 |
| 7459837 | Broadband energy harvester apparatus and method An energy harvesting apparatus and method for harvesting vibration energy over a wide frequency band and at low amplitudes. The apparatus includes a reaction component that is supported by a plurality of independent piezoelectric flexures from a base. The flexures a... | 12/02/2008 |
| 7456545 | Method for determining the activation voltage of a piezoelectric actuator of an injector A method for determining the activation voltage of a piezoelectric actuator of at least one injector which is used to inject a liquid volume under high pressure into a cavity, in particular into a combustion chamber of an internal combustion engine, the activation v... | 11/25/2008 |
| 7456551 | Packaging and integration system for micro sensors in the marine environment The integrated unmanned, affordable, microsystem in accordance with the present invention is used to deploy physical or chemical sensors for continuous monitoring of sea space over large time periods. The microsystem is capable of measuring ocean physical parameters... | 11/25/2008 |
| 7456547 | Ultrasonic motor An ultrasonic motor is provided with a circular stator including a piezoelectric element and a comb teeth body with a multitude of comb teeth circumferentially aligned thereon, and a circular rotor supported by a rotating shaft and pressed against the comb teeth bod... | 11/25/2008 |
| 7453186 | Cantilever driven transduction apparatus An electromechanical transducer which provides orthogonal translated motion to a piston through an attached lever arm connected to and driven by at least two electromechanical cantilever members, mounted on a separate inertial tail mass, and which under full array l... | 11/18/2008 |
| 7453189 | Piezoelectric transformer There is provided with a piezoelectric transformer which does not require a marking operation, is easy to manufacture, and is capable of reducing costs. After the piezoelectric transformer is manufactured, a shape of secondary side electrodes on the outer end is mad... | 11/18/2008 |
| 7453187 | Piezoelectric micro-transducers, methods of use and manufacturing methods for same Various micro-transducers incorporating piezoelectric materials for converting energy in one form to useful energy in another form are disclosed. In one embodiment, a piezoelectric micro-transducer can be operated either as a micro-heat engine, converting thermal en... | 11/18/2008 |
| 7449820 | Surface mount type crystal device A crystal device for surface mounting is provided with at least: a container body having a substantially rectangular outer shape and mounting electrodes formed in the four corners of the outside bottom surface of the container body; and a crystal blank hermetically ... | 11/11/2008 |
| 7449819 | Knock sensor A knock sensor includes: a base including an annular flange portion and a cylindrical portion, an annular piezoelectric element fitted onto the cylindrical portion, electrode portions oppositely formed on front and rear surfaces of the annular piezoelectric element,... | 11/11/2008 |
| 7449817 | Actuator and method of manufacturing actuator module An object of the present invention is to provide a thin and light-weight actuator module structure comprising a multi-layer structure such as a bimorph or unimorph structure that can be formed in an arbitrary shape and deformed in an arbitrary direction, which is hi... | 11/11/2008 |
| 7449815 | 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; a driven member frictionally engaged with the driving frictional me... | 11/11/2008 |
| 7449812 | Electroacoustic transducer for a surface wave operating component An electroacoustic transducer includes a first electrode having first fingers connected to a first bus bar, and a second electrode having second fingers connected to a second bus bar. The first and second fingers interdigitate and terminate at ends. The ends of the ... | 11/11/2008 |
| 7446460 | Piezoelectric device A piezoelectric device includes a piezoelectric element, a circuit board on which the piezoelectric element is mounted, an IC component having at least a function of oscillating the piezoelectric element and connected to a bottom face of the circuit board, an insula... | 11/04/2008 |
| 7446455 | Thin film elastic wave resonator An upper electrode (50) includes a first electrode section (51) formed in a circular shape and a second electrode section (52) and a third electrode section (53) formed in a fan-shaped manner outside of the first electrode section (51 | 11/04/2008 |
| 7446453 | Surface acoustic wave devices using surface acoustic waves with strong piezoelectric coupling A SAW device includes a LiNbO3 single crystal piezoelectric substrate having an orientation defined by Euler angles (λ,μ,θ), with angle λ ranging from −5° to +5°, angle μ ranging from about −74° to about −65°, and angle θ ranging from −5... | 11/04/2008 |
| 7446451 | Systems and methods for converting heat to electrical power An apparatus includes a thermo-photovoltaic (TPV) material that is capable of generating electrical power from low temperature heat radiation. An electric field generator is coupled to apply an electric field to the TPV material. The strength of the electric field i... | 11/04/2008 |
| 7443081 | Multi-frequency transmission/reception apparatus The invention provides a multi-frequency transducer capable of obtaining desired directivity regardless of frequencies. Parallelepiped-shaped transducer elements (1) are used as transducer elements and a plurality of such transducer elements (1) are ar... | 10/28/2008 |
| 7443079 | Method and apparatus for cavitation threshold characterization and control An apparatus and method for characterizing cavitation that occurs in a fluid exposed to acoustic energy. The apparatus comprises a vessel for holding the fluid; an acoustic energy generating means for generating acoustic energy, the acoustic energy generating means ... | 10/28/2008 |
| 7443084 | Means for being electrically connected an electrode of a piezo-electric plate A means for being electrically connected to an electrode of a piezo-electric plate is adapted for connecting the piezo-electric plate to a circuit board disposed under the piezo-electric plate. The piezo-electric plate and the circuit board are respectively provided... | 10/28/2008 |
| 7443083 | Piezoelectric powered vehicles and motors One or more piezoelectric elements are employed to generate electrical energy from one or both of the mechanical energy of a moving part of a conventional engine or vehicle or the combustion energy of an internal combustion engine. The generated electrical energy ca... | 10/28/2008 |
| 7439658 | Piezoelectric vibrator, oscillator, electronic part, electronic apparatus, method of fabricating piezoelectric vibrator and method of fabricating electronic part To provide a piezoelectric vibrator, an oscillator, an electronic part, an electronic apparatus, a method of fabricating a piezoelectric vibrator and a method of fabricating an electronic part capable of swiftly and easily providing a plurality of electrodes for app... | 10/21/2008 |
| 7439656 | Method for designing ultrasonic transducers with acoustically active integrated electronics Ultrasonic transducer including a multi-layer transformer arranged between a backing block and piezoelectric layer on each of which at least one matching layer is arranged. The transformer includes a substrate having an electronic circuit, one or more acoustically a... | 10/21/2008 |
| 7439649 | Acoustic wave device and method of manufacturing acoustic wave device An acoustic wave device capable of exhibiting good characteristics for a prolonged period of time and a method of manufacturing an acoustic wave device are provided. An acoustic wave device of the invention includes a piezoelectric body layer having piezoelectricity... | 10/21/2008 |
| 7436105 | Package structure for surface acoustic wave device, and surface acoustic wave device A package structure realizing a size and/or thickness reduction and suitable for packaging a surface acoustic wave element is provided. The package structure for solving the above challenge includes a base having a thick floor 16b on which to place a s... | 10/14/2008 |
| 7436103 | Variable inductor element and mobile wireless apparatus A variable inductor element has a substrate, a first inductor element which is fixedly arranged on the substrate, a second inductor element which is supported by the substrate, is magnetically coupled with the first inductor element and variably control a mutual con... | 10/14/2008 |
| 7436104 | Non-linear piezoelectric mechanical-to-electrical generator system and method A non-linear, piezoelectric mechanical-to-electrical generator especially well adapted for use with a Stirling engine, to thus form an electrical power generation system. In one form the generator includes a flexible beam that is configured in a bowed orientation to... | 10/14/2008 |
| 7436106 | Piezoelectric device A piezoelectric device includes: a piezoelectric element; a piezoelectric element package containing the piezoelectric element; a connecting terminal disposed on the bottom of the piezoelectric element package; a circuit element connected to the bottom of the piezoe... | 10/14/2008 |
| 7432637 | Piezoelectric drive device and liquid discharging device A piezoelectric drive device 2 includes cases 4 and 5 and a drive device body 6. The drive device body 6 includes a displacement expanding plate 10, a biasing unit 15 and piezoelectric elements 17 and 18... | 10/07/2008 |
