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| Number | Title | Issue Date |
| 7462976 | Smart material actuator A smart material actuator wherein one or more smart material devices are constrained in a frame such that expansion or contraction of the frame effects movement of side frame members away from or towards one another. The side frame members are constrained such that ... | 12/09/2008 |
| 7462975 | Actuator An actuator includes a vibrating substrate having a first electrode on a surface thereof and configured to be reciprocally moved according to a minute displacement of a vibrator, a moving body arranged on the surface of a vibrating substrate and having a second elec... | 12/09/2008 |
| 7462960 | Driver for an ultrasonic transducer and an ultrasonic transducer An ultrasonic transducer driver has a giant magnetostrictive element, a fastener for holding the giant magnetostrictive element under mechanical pressure, a first field generator for providing a magnetic bias field, a second field generator for providing a magnetic ... | 12/09/2008 |
| 7459835 | Loading-protected bending microactuator in additive suspensions A microactuated disk drive suspension for supporting a slider at a disk includes a load beam extending in a plane and having on a common axis a base section adapted for mounting to an actuator, a spring section and a beam section carrying a flexure and the slider th... | 12/02/2008 |
| 7459830 | Piezoelectric actuator, drive control method of piezoelectric actuator, and electronic device A piezoelectric actuator includes: a ring-shaped piezoelectric element, vibration of the piezoelectric element being transmitted to an object; a first vibration area and a second vibration area provided on both sides of a bisector bisecting the piezoelectric element... | 12/02/2008 |
| 7456550 | Drive unit for medical devices The invention relates to a drive unit for a medical device such as an insulin pump, lancing device, or test strip magazine. The drive unit comprises an actuator for charging a mechanical energy storage element. The actuator oscillates and executes travel strokes whi... | 11/25/2008 |
| 7456548 | Piezoelectric element, piezoelectric actuator, and ink jet recording head A piezoelectric element having a piezoelectric film and one pair of electrodes being in contact with the piezoelectric film on a substrate, wherein the piezoelectric film has a structure in which a lead-containing piezoelectric film and a lead-free piezoelectric fil... | 11/25/2008 |
| 7456553 | Piezoelectric film laminate and device including piezoelectric film laminate A piezoelectric film laminate includes a lithium tantalate substrate, and a lead zirconate titanate niobate layer formed above the lithium tantalate substrate. ... | 11/25/2008 |
| 7453185 | Piezoelectric extension actuator A piezoelectric expansion actuator for d33 piezoelements, which allows vibrations in structures to be suppressed. An expansion actuator (1) includes a piezoelectric stack (2), which consists of d33 piezoelectric elements and is arranged between output ... | 11/18/2008 |
| 7453188 | Dielectric element, piezoelectric element, ink jet head and ink jet recording apparatus and manufacturing method of same A dielectric element includes a lower electrode layer provided on a substrate, a dielectric layer provided on the lower electrode layer and an upper electrode layer provided on the dielectric layer. The dielectric layer has a first dielectric layer provided on a sid... | 11/18/2008 |
| 7449816 | Piezoelectric actuator, liquid transporting apparatus, and method for producing piezoelectric actuator and method for producing liquid transporting apparatus A liquid transporting apparatus includes individual electrodes 32, wirings 35 having contact points 35a respectively, FPC 40 having terminals 42a, a cavity plate 10, and individual cooling passages 47 fo... | 11/11/2008 |
| 7449813 | Interleaved interdigitated transducers The present invention provides an interleaved IDT that is connected to and overlaps adjacent IDTs. In particular, the interleaved IDT may be connected to both an input IDT and an output IDT via corresponding bus bars. The first bus bar of the interleaved IDT is conn... | 11/11/2008 |
| 7449814 | Driving method for ultrasonic motor and apparatus using the same A method for driving an ultrasonic motor includes the step of applying a driving alternating signal to an ultrasonic vibrator to simultaneously generate two different vibration modes in the ultrasonic vibrator to cause a substantially elliptical vibration at frictio... | 11/11/2008 |
| 7446454 | Thickness extensional piezoelectric resonator An energy-trapping-type thickness extensional piezoelectric resonator using a thickness extensional vibration mode having first and second resonance electrodes formed on portions of the top surface and the bottom surface of a piezoelectric substrate that is polarize... | 11/04/2008 |
| 7446458 | Piezoelectric ceramic element and portable device Piezo-electric ceramic transducer 1 has upper piezo-electric active layer 5 and lower piezo-electric active layer 6. Upper insulating layer 2 and lower insulating layer 3, between which upper piezo-electric active layer 5 an... | 11/04/2008 |
| 7443078 | Piezo action applied This invention expands functions possible with electric equipment using charge contorting Piezo technology. We replace engines and motors with Piezo units. These power electric vehicles using nudging by Piezo strips to turn shafts or axles holding propellers or whee... | 10/28/2008 |
| 7443080 | Laminated piezoelectric/electrostrictive device There is realized a piezoelectric/electrostrictive device of a laminated type from which a large displacement is obtained and which is highly reliable over a long period. A laminated piezoelectric/electrostrictive device 1 has: a laminated columnar article | 10/28/2008 |
| 7443075 | Entrapment detecting system An entrapment detecting system includes a detection portion provided at an opening/closing apparatus for detecting an acceleration thereof on the basis of an output from a piezoelectric sensor for outputting a voltage corresponding to the acceleration and a control ... | 10/28/2008 |
| 7443082 | Piezoelectric polymer composite article and system The subject invention provides composite articles (20, 120) and associated systems (32, 132). A first composite article (20) includes a piezoelectric layer (22) having a piezoelectric property. The piezoelectric layer (22) is sandw... | 10/28/2008 |
| 7443076 | Diffractive thin-film piezoelectric light modulator and method of fabricating the same Disclosed herein is a diffractive thin-film piezoelectric light modulator, in which a lower protective layer is formed on a lower support to prevent the lower support from being over-etched when etching, thus increasing the surface smoothness of the lower support an... | 10/28/2008 |
| 7439650 | Piezoactuator drive detection device and electronic device To provide a drive detection means for a piezoelectric actuator that can detect an amount driven without requiring adding an encoder or other component while also preventing increasing the load. A rotor is disposed eccentrically to the axis of rotation to change the... | 10/21/2008 |
| 7439655 | Laminated-type piezoelectric element A laminated-type piezoelectric element 1 is provided, which comprises a first external electrode layer 33, which is located at a side area of the laminated-type piezoelectric element 1, is electrically continuous to internal electrode layers ... | 10/21/2008 |
| 7439652 | Multidirectional piezoelectric motor configuration A method of moving a body (23) comprising: coupling a plurality of piezoelectric motors (31, 32) to the body by pressing a coupling region (48) of each of the motors to a surface of the body; controlling at least one of the motors to apply a for... | 10/21/2008 |
| 7439657 | Broadband energy harvester apparatus and method A broadband vibration energy harvesting apparatus and method. In one embodiment, a straight piezoelectric beam and a straight biasing beam are disposed parallel to one another and axially compressed by a support structure such that both of the beams are slightly bow... | 10/21/2008 |
| 7439648 | Surface acoustic wave device and manufacturing method therefor, and communications equipment A surface acoustic wave device configured by forming an oxide layer 2 on a piezoelectric substrate 1 composed of a lithium tantalate single crystal or a lithium niobate single crystal and having weak pyroelectric properties having a lower oxygen conten... | 10/21/2008 |
| 7436107 | Angular velocity sensor and method for manufacturing the same Provided is an angular velocity sensor which is thin, requires no individual adjustment and can control the generation of signals that are unnecessary to the angular velocity sensor and are generated on the sensing electrodes when the tuning fork is made to vibrate ... | 10/14/2008 |
| 7436099 | Electroactive polymer pre-strain The present invention provides electroactive polymers, transducers and devices that maintain pre-strain in one or more portions of an electroactive polymer. Electroactive polymers described herein may include a pre-strained portion and a stiffened portion configured... | 10/14/2008 |
| 7436102 | Piezoelectric thin-film resonator and method for producing the same A method for producing a piezoelectric thin-film resonator includes forming a sacrificial layer on a substrate, performing a plasma treatment on the sacrificial layer so that the surface roughness (Ra) of end surface portions of the sacrificial layer is about 5 nm o... | 10/14/2008 |
| 7432633 | Ultrasonic driving apparatus The invention provides an ultrasonic driving apparatus in which an oscillator contained therein is pressed against a driven member and can be positioned with a high degree of precision. The invention includes an oscillator for generating vibrations when supplied wit... | 10/07/2008 |
| 7427823 | Piezoelectric vibration element, piezoelectric vibrator, piezoelectric oscillator, frequency stabilization method, and method of manufacturing the piezoelectric vibrator A piezoelectric vibration element is provided which includes a piezoelectric substrate formed of a thickness slip based piezoelectric material and a metal layer formed on a surface of the piezoelectric substrate. In the piezoelectric vibration element, a surface of ... | 09/23/2008 |
| 7427822 | Piezoelectric resonator element package, and piezoelectric resonator A piezoelectric resonator element package has a base that holds a piezoelectric resonator element on which drive electrodes are formed, and a cap. Four electrode pads are formed in corners of an internal bottom surface of the base. Of the four electrode pads, the fi... | 09/23/2008 |
| 7427824 | Piezoelectric device and method for producing same A piezoelectric device ensures resistance to molding without an increase in costs and includes an elemental substrate having a piezoelectric element and a conductive pattern electrically connected to the piezoelectric element; and insulating members disposed on the ... | 09/23/2008 |
| 7425790 | Piezoelectric/electrostrictive porcelain composition, piezoelectric/electrostrictive device, and method of piezoelectric/electrostrictive device There is disclosed a piezoelectric/electrostrictive porcelain composition capable of manufacturing, at a comparatively low sintering temperature, a piezoelectric/electrostrictive body which is dense and superior in crystallinity and which has satisfactory piezoelect... | 09/16/2008 |
| 7425791 | Acoustic driver assembly with recessed head mass contact surface An acoustic driver assembly for use with any of a variety of cavitation chamber configurations, including spherical and cylindrical chambers as well as chambers that include at least one flat coupling surface, is provided. The acoustic driver assembly includes at le... | 09/16/2008 |
| 7425792 | Acoustic driver assembly with restricted contact area An acoustic driver assembly for use with any of a variety of cavitation chamber configurations, including spherical and cylindrical chambers as well as chambers that include at least one flat coupling surface. The acoustic driver assembly includes at least one trans... | 09/16/2008 |
| 7423365 | Surface acoustic wave device A surface acoustic wave device includes at least one interdigital transducer having electrodes of a double-layered structure in which an upper film and an underlying film are laminated. The upper film has a main component of Al and a first metal of Ti added to the m... | 09/09/2008 |
| 7420319 | Piezoelectric component with predetermined breaking point and method for manufacturing and using the component A piezoelectric component (1) has at least one monolithic piezo element (10) having an electrode layer (101), at least one further electrode layer (102), at least one piezoceramic layer (103) disposed between the electrode layers a... | 09/02/2008 |
| 7414353 | Piezoelectric actuator and head assembly using the piezoelectric actuator A head assembly includes a suspension having a gimbal, a flexible printed wiring sheet having a plurality of conductor patterns and adhered to the suspension, first and second piezoelectric actuators mounted on the gimbal, and a head slider mounted on the first and ... | 08/19/2008 |
| 7414349 | Piezoelectric vibrator, filter using the same and its adjusting method A piezoelectric vibrator has a laminated structure where silicon oxide films having substantially the same thickness are disposed at both faces of piezoelectric plate as dielectric films. Using the structure discussed above, because dielectric films are formed at th... | 08/19/2008 |
| 7414350 | Acoustic mirror structure for a bulk acoustic wave structure and method for fabricating same According to one embodiment of the invention, an acoustic mirror structure situated in a bulk acoustic wave structure includes a number of alternating low acoustic impedance and high acoustic impedance layers situated on a substrate. Each high acoustic impedance lay... | 08/19/2008 |
