|Electrical generator or motor structure patents - Monitor Patents|
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Electrical generator or motor structure November recently filed with US Patent Office 11/09Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 11/26/2009 > 24 patent applications in 21 patent subcategories. recently filed with US Patent Office
20090289508 - Permanent magnet member for coil motor and voice coil motor: The permanent magnet member 10 for a voice coil motor (VCM) in accordance with the present invention comprises a magnet body 1 including a shorter periphery 11, a longer periphery 12 located at a position separated from the shorter periphery 11 by a predetermined distance, and a pair of side... Agent: Oliff & Berridge, PLC
20090289509 - Cylindrical linear motor armature, cylindrical linear motor field pole, and cylindrical linear motor using them: A cylindrical linear motor capable of solving the problem that a leak flux links an aluminum frame at both ends of an armature of a conventional cylindrical linear motor, which causes a viscous braking force as a motor brake force, is provided. The cylindrical linear motor armature 20 includes a... Agent: Westerman, Hattori, Daniels & Adrian, LLP
20090289510 - Device for connecting an electric motor intended for use in a fuel tank, in particular of a motor vehicle: A device for connecting an electric motor intended for use in a fuel tank, in particular of a motor vehicle, with connection contacts carbon brushes sliding over an armature of a rotor, and electrical leads arranged between the connection contacts and the carbon brushes. The electrical leads have a sheath... Agent: Cohen, Pontani, Lieberman & Pavane LLP
20090289511 - Vibration absorbing bearing and blower motor for vehicles having the same: A vibration absorbing bearing supports an armature shaft and a blower motor for vehicles. The vibration absorbing bearing may include a longitudinal groove which is formed on the inner circumference of the bearing in such a way as to extend in a longitudinal direction and hold a lubricant therein. The... Agent: Morgan, Lewis & Bockius LLP (sf)
20090289512 - Motor/generator structure: A radial gap motor/generator has a thin annular array of magnets mounted for rotation to a stator in a radially spaced relation to at least one thin annular induction structure fixed to a stationary stator may be air or liquid cooled. Further, the motor has at least radial gap between... Agent: Arnold S. Weintraub The Weintraub Group
20090289513 - Cooling system for a motor and associated electronics: A cooling system is provided for an electric motor having control circuitry and including a motor housing surrounding the motor. The motor drives at least one radial fan at one end thereof for directing airflow through the motor housing across the motor. A fan housing encloses the cooling fan and... Agent: Maginot, Moore & Beck, LLP Chase Tower
20090289514 - Coreless motor: A coreless motor able to be downsized and easy to be assembled and to ensure the concentricity between a motor shaft, a magnet, and an outer cylinder. The coreless motor includes an outer cylinder gear unit having an output shaft and a speed-reducer mechanism incorporated into a field assembly having... Agent: Cowan Liebowitz & Latman P.C. John J Torrente
20090289515 - Brushless motor: A brushless motor to be used for driving a vane pump, which is employed in a module for inspecting vapor leakage of fuel, is disclosed. The brushless motor includes a mounting plate having a through hole, and an annular space is formed between an inner wall of the through hole... Agent: Ratnerprestia
20090289516 - Electrical generator arrangement: In some circumstances such as with regard to contra-rotating turbo prop arrangements in aircraft it is desirable to vary the pitch of the blades and/or provide de-icing facilities. Advantageously, these blade pitch and de-icing facilities could be provided through electrical actuators. Unfortunately, provision of electrical power to such rotating components... Agent: Oliff & Berridge, PLC
20090289517 - Pm rotor having radial cooling slots and corresponding production method: The invention relates to a PM rotor having radial cooling slots and to a corresponding method of production. The aim of the invention is to provide a structurally simple rotor which has a high degree of efficiency. According to the invention, the rotor consists a plurality of partial laminated stacks... Agent: Henry M Feiereisen, LLC Henry M Feiereisen
20090289518 - Armature winding of electric rotating machine, stator of electric rotating machine and electric rotating machine: An armature winding of an electric rotating machine is provided, which includes at least one armature winding bar composed of a plurality of element wire conductors, wherein the armature winding bar includes an element wire conductor configured to have twisted transposing angles of 180 degrees at one border zone and... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.
20090289519 - Electric rotating machine: A lead conductor penetrating portion that bring out lead conductors to the inner diameter side is formed in a winding holding portion of a clamp ring for holding a rotor winding that overhangs from a rotor core, and furthermore a stopper is formed in a lead portion on the inner... Agent: Mattingly & Malur, P.C.
20090289520 - Stator for rotary electric machine: A stator for a rotary electric machine with wedge members insertable into slots without being bent or folded is provided. A coupling portion is integrally formed at a non-inserted end portion, which is not inserted into a slot, of a wedge member, the coupling portion extending across an end of... Agent: Rankin, Hill & Clark LLP
20090289521 - Single-phase motor and hermetic compressor: It is an object to obtain a highly efficient and low-cost single-phase motor by producing the motor in a form that allows a proper material layout, with securing a magnetic path of a coreback of a stator iron core. A stator iron core 1 formed by laminating a plurality of... Agent: Buchanan, Ingersoll & Rooney PC
20090289522 - Electric motor and method for manufacturing an electric motor for a motor vehicle actuator drive: The invention relates to an electric motor and a method for manufacturing an electric motor for a motor vehicle actuator drive. The electric motor has a motor housing, a rotor assembly and a stator assembly. The stator assembly has stator teeth which are each provided with a notch in the... Agent: Manelli Denison & Selter
20090289524 - Colloid motor: a mechanical mechanism that harnesses colloid forces to serve as a memory, oscillator, or amplifier in the mechanical domain; a hair cell mimesis: The colloid motor disclosed here is a method of using the colloid forces between two particles that arise from the interaction of Van der Walls attraction and electrostatic repulsion when the distance between them is measured in, at most, tens of nanometers. By applying a mechanical limit to the allowable... Agent: Michelangelo Rossetto
20090289523 - Protection device: In an embodiment, a device is provided comprising an accelerometer and an electroactive material. A control circuit is coupled between the accelerometer and the electroactive material.... Agent: Harrity & Harrity, LLP
20090289525 - Piezoelectric ceramic composition and piezoelectric device:
20090289526 - Devices having a tunable acoustic path length and methods for making same: A tunable acoustic resonator device. The device has a piezoelectric medium as a first thin film layer and a tunable crystal medium as a second thin film layer. The tunable crystal medium has a first acoustic behavior over an operating temperature range under a condition of relatively low applied stress... Agent: Lerner, David, Littenberg, Krumholz & Mentlik
20090289527 - Electrical multi-layer component: A piezoelectric multi-layer component is described herein. The component includes a plurality of ceramic layers, and one or more electrode layer. The one or more electrode layer has a material structure that is different than the plurality of ceramic layers and is configured to at least partially block a propagation... Agent: Fish & Richardson PC
20090289528 - Rotary ultrasonic sealer: Horn assembly adapted to be rotatably arranged in a housing (3) of a rotary ultrasonic sealer, and comprising a hollow shaft (1) having a longitudinal axis (2) and a horn (8) arranged coaxially in the hollow shaft (1) and connected to a converter (6) and preferably also a booster (7).... Agent: The Nath Law Group
20090289529 - Piezoelectric sensor and method for manufacturing the same: An inexpensive piezoelectric sensor where noise unlikely occurs and a method for manufacturing the same are provided. A piezoelectric body (2) made of polymeric material, a first electrode-supporting portion (3) disposed at one side of the piezoelectric body (2) and supporting a signal electrode (3b) on a first insulator (3a),... Agent: Buchanan, Ingersoll & Rooney PC
20090289531 - Piezoelectric resonator: Embodiments of the present disclosure are directed to a piezoelectric resonator. The resonator can have a base defining at least a first base portion and a second base portion and two or more vibrating arms projecting from the first base portion, the first vibrating arm being substantially parallel to the... Agent: Knobbe Martens Olson & Bear LLP
20090289530 - Piezoelectric vibrating piece and piezoelectric device: Piezoelectric vibrating pieces are disclosed. An exemplary piece includes a base and at least a pair of vibrating arms connected to the base. The vibrating arms extend from one end of the base in a first direction. A vibrating root portion is situated between the vibrating arms. A pair of... Agent: Klarquist Sparkman, LLP11/19/2009 > 24 patent applications in 21 patent subcategories. recently filed with US Patent Office
20090284086 - Systems and apparatus involving toothed armatures in superconducting machines: A system for generating power comprising, a superconducting generator including, an armature assembly comprising, a body portion, a tooth portion having a front surface and a rear surface, a slot partially defined by the body portion and the tooth portion, an armature bar engaging the slot, and a cooling cavity... Agent: General Electric Company Global Research
20090284087 - Starter generator: A starter generator which comprises a rotor having a cuplike-shaped rotor yoke and magnets attached to an inner periphery of the rotor yoke, a stator mounted on a stator bracket and a protecting cover covering said rotor and stator, in which a hermetically sealed casing is constituted by said protecting... Agent: Pearne & Gordon LLP
20090284088 - Optimized stator mounting method to printed circuit board: A stator assembly detachably mounted with a fan housing. The stator assembly includes a stator including one or more first mounting feet and one or more second mounting feet disposed apart from each other. Additionally, the stator assembly includes a printed circuit board (PCB) having one or more first openings... Agent: Townsend And Townsend And Crew, LLP
20090284104 - Built-in motor, in particular a built-in torque motor: The invention relates to a built-in motor (1), in particular to a built-in torque motor, having a rotor (2) and a stator (3), with the built-in motor (1) having a positioning apparatus for positioning at least one transmitter (5), and/or having at least one transmitter (5).... Agent: Henry M Feiereisen, LLC Henry M Feiereisen
20090284105 - Motor with an electromagnetic brake: A motor with an electromagnetic brake is provided that is capable of sufficiently reducing influence of leakage magnetic flux on a magnetic sensor. A second ball bearing that rotatably supports a shaft at a position in the vicinity of a non-load-side end portion is configured to be ferromagnetic. An inner... Agent: Rankin, Hill & Clark LLP
20090284106 - Rotary electric machine integrated with control device: A rotary electric machine integrated with a control device includes stator current switching circuit sections, each of which has a switching element disposed on a heat sink; a field current switching circuit section; a control circuit section which controls the stator current switching circuit sections and the field current switching... Agent: Sughrue Mion, PLLC
20090284089 - Compact, electromagnetically braked actuator assembly: An actuator assembly includes a motor assembly, a harmonic drive gearbox, an actuator, and an electromagnet brake device. The actuator assembly is fairly compact in size and the electromagnetic brake device is a non-contact type of devices, making it less prone to wear as compared to many other brake devices.... Agent: Honeywell International Inc. Patent Services
20090284090 - Direct drive motor for vehicle wiper system: For this purpose, the present invention provides a direct drive motor for a vehicle wiper system, including a rotor for generating a rotational force, in which a sun gear connected to an upper portion of the rotor transmits the rotational force to a power transmission portion, the direct drive motor... Agent: Morgan, Lewis & Bockius LLP (sf)
20090284091 - Magnetic coupling with hysteresis, particularly for winding/unwinding devices: A magnetic coupler with hysteresis (1) comprises an inductor subassembly (2) and an armature subassembly (6) that are capable of rotating one with respect to the other. The inductor subassembly has a plurality of magnetic poles and the armature subassembly (6) has one or more armature permanent magnets with hysteresis... Agent: Blakely Sokoloff Taylor & Zafman LLP
20090284092 - Motor rotor: A motor rotor includes a hub, a metal ring and a magnet ring. The hub includes a peripheral wall. The metal ring includes an engaging portion and is formed by bending a strip of metal plate to form a cylindrical ring mounted to an inner surface of the peripheral wall... Agent: Kamrath & Associates P.A.
20090284094 - Rotor structure for motor: A rotor structure for motor includes a shaft, a magnet, and two fixing seats. The shaft passes through the magnet and the two fixing seats, with the two fixing seats being adjacent to and abuts against two end faces of the magnet respectively. The magnet slightly closely fits or loosely... Agent: Kamrath & Associates P.A.
20090284093 - Sleeve in end rings for permanent magnet rotor: A permanent magnet rotor for an electric motor may include a rotor assembly that will hold the magnets in place. A pair of rings is added to the sleeve to tightly engage and press against the end plates and the magnets. This configuration provides additional securement against axial and radially... Agent: Honeywell/shimokaji Patent Services
20090284095 - Motor rotor: A motor rotor includes a hub having a peripheral wall. A metal ring includes an engaging portion. The metal ring is formed by bending a strip of metal plate to form a cylindrical ring. The metal plate includes first and second positioning portions on two ends thereof. The first and... Agent: Kamrath & Associates P.A.
20090284096 - Electrical motor and method for manufacturing the same: There is provided an electrical motor in which the dimensional accuracy of a stator is increased more easily, and the influence exerted on a magnetic circuit is kept as little as possible. In an electrical motor in which the stator 3 formed with n number (n is a positive integer)... Agent: Kanesaka Berner And Partners LLP
20090284097 - Brush apparatus: A brush apparatus includes a brush and a brush holder. The brush includes a pigtail embedded in a wider side thereof so that the longitudinal side in cross-section of the pigtail extends in parallel with a surface of the brush coming into contact with a commutator. The brush holder includes... Agent: Sughrue Mion, PLLC
20090284098 - Brushholder mount for contact brushes of a commutator machine: A brushholder mount for contact brushes of a commutator machine is provided. The brushholder mount having spring elements which have brush shoes (which are connected to the contact brushes), carry the contact brush current and prestress the contact brushes in the direction of the commutator of the commutator machine. The... Agent: Christie, Parker & Hale, LLP
20090284099 - Electric rotary machine for vehicles: An AC generator is provided with a rotor including a rotating shaft having a pair of collector rings, a pair of brushes, and a brush device having a brush holder that housing portions are formed where the pair of brushes is contained. The brush device is provided with a pair... Agent: Oliff & Berridge, PLC
20090284100 - Motor that reduces magnetic interference: A motor includes a housing formed of a first shell and a second shell, a stator, which is formed of a first yoke, a second yoke, a connecting device and two coils. The first yoke and the second yoke each comprise a terminal holder mounting portion, a race and a... Agent: Bacon & Thomas, PLLC
20090284101 - Device for converting mechanical energy into electrical energy, and method for operating said device: A device for converting mechanical energy into electrical energy has first electrode formed of a first material having a first work function for a charge carrier, and a second electrode formed of a second material having a second work function for a charge carrier, the second work function being different... Agent: Staas & Halsey LLP
20090284102 - System and method for resonance frequency tuning of resonant devices: Tunable vibration energy scavengers and methods of operating the same are disclosed. The disclosed energy scavengers comprise a beam with a main body, wherein the beam comprises at least one flap and means for changing a shape of the at least one flap, wherein the at least one flap is... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP
20090284103 - Electric generating unit as substitute for vehicle battery: An electric generating unit as a substitute for a vehicle battery includes a housing including an air pressure control member to control air pressure in an inner space of the housing, at least a diaphragm unit configured to sufficiently fluidly-insulate the inner space of the housing from outside of the... Agent: Morgan, Lewis & Bockius LLP (sf)11/12/2009 > 24 patent applications in 21 patent subcategories. recently filed with US Patent Office
20090278411 - Reaction force cancel system: Increasing in size of a reaction force cancel system is suppressed. The reaction force cancel system is provided in a stage device including: a surface plate having a plurality of plate surfaces with different heights from each other, and installed on a floor via a vibration-isolating spring; and stages disposed... Agent: Squire, Sanders & Dempsey L.L.P.
20090278412 - Linear motor actuator: Provided is a linear motor actuator which generates a sufficient thrust force and a retaining force and is remarkably smaller than conventional linear motor actuators. The linear motor actuator includes a base member (1) provided with a bottom plate (10) and a pair of side walls (11) and formed in... Agent: Westerman, Hattori, Daniels & Adrian, LLP
20090278413 - Architecture for electric machine: The invention includes an electric machine having a rotor, stator and at least one winding in the stator adapted to conduct a current, and a secondary winding, electrically isolated from the first winding and inductively coupled to the first winding, which may be used to control at least one of... Agent: Ogilvy Renault LLP (pwc)
20090278414 - Electric machine having electrically conductive member and associated insulation assembly and related methods: An electric machine includes a shaft and a rotor carried by the shaft and having a rotor body, a plurality of rotor windings carried by the rotor body, and a retaining ring surrounding the rotor windings adjacent an end of the rotor body. An electrically conductive stud extends radially outwardly... Agent: Siemens Corporation Intellectual Property Department
20090278415 - Coreless motor having rotors arranged concentrically and driving apparatus having the motor: The present invention relates to a coreless motor including a multi-stage rotor and a driving apparatus having the motor. More particularly, the present invention relates to a coreless motor including magnets and coils arranged, in multiple stages, to be concentric with a rotary central shaft and a driving apparatus having... Agent: Lowe Hauptman Ham & Berner, LLP
20090278416 - Motor and compressor: Two magnets in a circumferential direction of a rotor are provided in each slot of the rotor. The two magnets are consistently pulled in a direction in which they are mutually separated by magnetism of a stator and fixed on inner surfaces on both sides of the slot in the... Agent: GlobalIPCounselors, LLP
20090278417 - Ipm rotor, ipm rotor manufacturing method and ipm rotor manufacturing apparatus: An injection apparatus includes a gate for injecting a filler to a gap between an inner wall of a slot and a permanent magnet. A plurality of gates are provided for one slot. An IPM rotor with improved NV characteristics, and method and apparatus for manufacturing such an IPM rotor... Agent: Oliff & Berridge, PLC
20090278418 - Bobbin for stator of motor: A bobbin includes a bobbin body, two top sidewalls, two bottom sidewalls, four top tabs and four bottom tabs. The bobbin body includes a top surface formed at one end of the bobbin body, a bottom surface formed at an opposite end of the bobbin body and a side surface... Agent: PCe Industry, Inc. Att. Steven Reiss
20090278419 - Methods for producing even wall down-hole power sections: Embodiments of the present invention provide methods for manufacturing an even-wall rotor or stator that do not suffer from drawbacks of the prior art. Even-wall rotors or stators produced according to those methods are also provided. In one embodiment, a method for manufacturing a rotor or stator for use in... Agent: Patterson & Sheridan, L.L.P.
20090278420 - Mems-based nanopositioners and nanomanipulators: A MEMS-based mano manipulator or nanopositioner is provided that can achieve both sub-nanometer resolution and millimeter force output. The nanomanipulator or nanopositioner comprises a linear amplification mechanism that minifies input displacements and amplifies input forces, microactuators that drive the amplification mechanism to generate forward and backward motion, and position sensors... Agent: Miller Thompson, LLP
20090278421 - Ultrasonic motor: An ultrasonic motor has a cylindrical rotor for performing a mechanical output, a plurality of ultrasonic vibrators each having two points in internal contact with the rotor, and a preload mechanism for pressing the ultrasonic vibrators from an inside toward an outside of the rotor, and the ultrasonic vibrators are... Agent: Birch Stewart Kolasch & Birch
20090278422 - Piezoelectric multilayer component: The invention relates to a piezoelectric multi-layer component with a plurality of piezoelectric layers (1) lying one above the other and with electrode layers (2a, 2b) arranged between the piezoelectric layers, wherein an absorption layer (4) of absorbing mechanical vibration energy is arranged in the layer stack.... Agent: Fish & Richardson PC
20090278423 - Piezoelectric actuator with gradient encapsulation layer and method for the production thereof: In a method for the production of a gradient encapsulation layer 20 on a piezoelectric actuator 1, based on this gradient encapsulation layer 20, the piezoelectric actuator 1 does not 5 require an additional housing-like enveloping structure in order to be protected externally. The gradient encapsulation layer 20 is produced... Agent: Baker Botts L.L.P. Patent Department
20090278424 - Piezoelectric transformer and method for production thereof: A piezoelectric transformer includes an input part and an output part. The input part and the output part are mechanically connected along a path that includes an insulating part. The insulating part includes a surface with a depression. In the input part, mechanical oscillations are generated using electrical voltages, and,... Agent: Fish & Richardson PC11/05/2009 > 24 patent applications in 21 patent subcategories. recently filed with US Patent Office
20090273244 - Electric reciprocating motion device: An electric reciprocating motion device includes a casing (7), a mounting bracket (4) disposed within the casing (7), a motor (1), and its power supply (9) mounted and fixed on the mounting bracket (4), and a motion head (6) connected with the rotary shaft (11) of the motor (1). The... Agent: David And Raymond Patent Firm
20090273245 - Stator and motor: A stator core is formed by arranging divided cores (20) in a circumference direction in cylindrical shape. On an upper end surface (60) of a core back (50) of the divided core, holes (62, 64) are made. Then, on the upper end surface, a reinforcing ring (40) having through holes... Agent: Sughrue Mion, PLLC
20090273246 - Electrical machine: The invention relates to an electrical machine (1) having a stator (4) and a rotor (3), with the rotor (3) having a plurality of axially arranged cooling channels (8) and a first (5a) and a second (5b) end face, and a fan unit (6) being arranged adjacent to each end... Agent: Henry M Feiereisen, LLC Henry M Feiereisen
20090273247 - Drive apparatus for electric vehicle: A drive device for an electric vehicle, having a structure where a stator is received inside a motor receiving cover to allow an inner cable, connected to the stator, to be led out to the transmission mechanism case side. This enables a projection to be provided on the transmission mechanism... Agent: Sughrue Mion, PLLC
20090273248 - Lead frame connector: A lead frame connector for windings of an electric motor, has a plurality of fixed electrical conductors embedded in overmoulding material, a plurality of spaced termination points provided through the overmoulding material for electrically connecting the motor windings to the electrical conductors, at least one access opening in the overmoulding... Agent: Muncy, Geissler, Olds & Lowe, PLLC
20090273249 - Wheel-mounted electrical machine: A hybrid-electric vehicle is provided having a respective electrical machine in each wheel thereof. Each electrical machine is of the axial-flux type, having a rotor sandwiched axially between two parts of a stator. Each electrical machine is fitted to the respective wheel such that the rotor takes the place of... Agent: Houston Office Of Novak Druce And Quigg LLP
20090273250 - Electric motor, in particular for motor vehicle windshield wiper drive with improved seating for the armature shaft bearing: The invention relates to an electric motor (1), in particular for the windscreen wiper drive of a motor vehicle, comprising an armature shaft (10), which is mounted by means of at least one anti-friction bearing (11). Said bearing has an inner bearing ring (12), joined to the armature shaft (10)... Agent: Michael Best & Friedrich LLP
20090273251 - Synchronous machine: A magnet wheel and a stator winding which are necessary for an excitation device are included in a synchronous machine. Energy is transferred to the magnet wheel through inductivity, preferably, energy to a super-conductive coil, by the excitation device. Protection against the magnetic field produced by the current in the... Agent: Staas & Halsey LLP
20090273252 - Magnetic field element: A magnetic field element includes magnetic field portions and a coupling portion and is rotatable on a rotation axis along a given direction. Each magnetic field portion includes a magnet and magnetic plates. The magnet includes first and second pole faces having different polarities from each other in the given... Agent: Birch Stewart Kolasch & Birch
20090273254 - Encapsulated stator of a dynamo-electrical machine: A laminated core of a stator has windings which are arranged in slots and form end windings on the end faces of the laminated core. The end windings are embedded in an encapsulation compound, with the laminated core having a radially outer area formed with at least one axial recess... Agent: Henry M Feiereisen, LLC Henry M Feiereisen
20090273253 - Stator for rotary electric machine and method of manufacturing the stator: A rotor provided in rotary electric machines comprises a stator core having a radial direction and slots provided with bottomed openings directed in the radial direction. The rotor also comprises a stator coil comprising slot accommodation portions being accommodated in the slots of the stator core and coil end portions... Agent: Nixon & Vanderhye, PC
20090273255 - Actuator using comb-tooth: An actuator comprises a connection section having one end rotatably connected to a connection point (C1) of a fixed section and the other end rotatably connected to a connection point (C2) of a moving section, a connection section having one end rotatably connected to a connection point (C3) of the... Agent: Nixon & Vanderhye, PC
20090273256 - Transceiver circuit for film bulk acoustic resonator (fbar) transducers: A piezoelectric transducer device includes a receive signal path, a transistor and a piezoelectric transducer connected to a first terminal of the transistor. The device also includes a switch connected to a second terminal of the transistor, wherein the switch is adapted to selectively connect the second terminal of the... Agent: Kathy Manke Avago Technologies Limited
20090273257 - Piezoelectric substance, piezoelectric element, and liquid discharge head and liquid discharge apparatus using piezoelectric element: A piezoelectric substance which is made of oxide with perovskite type structure which is made of ABO3, where a principal component of A is Pb, and principal components of B contain at least two kinds of elements among Nb, Mg, Zn, Sc, Cd, Ni, Mn, Co, Yb, In, and Fe,... Agent: Fitzpatrick Cella Harper & Scinto
20090273258 - Stiffener tab for a spindle motor base plate: An apparatus and method are provided for stiffening a base plate of a spindle motor to improve shock resistance and vibration response, and thereby increase reliability and performance of a disc drive memory system. A stiffener tab for stiffening a base plate is connected to the base plate, extends from... Agent: Wax Law GroupPrevious industry: Electrical transmission or interconnection systems
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