Electricity: magnetically operated switches, magnets, and electromagnets inventions 04/07

20070090902 - Apparatus for accurate and efficient quality and reliability evaluation of micro electromechanical systems: The present invention provides multiple test structures for performing reliability and qualification tests on MEMS switch devices. A Test structure for contact and gap characteristic measurements is employed having a serpentine layout simulates rows of upper and lower actuation electrodes. A cascaded switch chain test is used to monitor process... Agent: Law Office Of Delio & Peterson, LLC.

20070090903 - Rotating write field generated by circulating domain walls in a magnetic ring: a dc-driven high-frequency oscillator: An apparatus comprises a ring of magnetic material, a source for applying a setting magnetic field to the ring, and first and second electrodes for applying an electric current to the ring. A method of using the apparatus to write to a magnetic storage medium is also provided.... Agent: Pietragallo, Bosick & Gordon LLP

20070090905 - Magnetic switch arrangement and method for obtaining a differential magnetic switch: Method and arrangement for providing a magnetic switch arrangement comprising a first magnetic system, a second magnetic system and a magnetic switching element. The first magnetic system (24) is arranged for biasing the magnetic switching element (18) and the second magnetic system (25) is arranged to interact with the biasing... Agent: Novak Druce & Quigg, LLP (volvo Prosecution)

20070090904 - Method of generating and measuring torsional waves in cylindrical structure using magnetostrictive effect, and magnetostrictive transducer and structure diagnosis apparatus using the method: A method and apparatus for generating and measuring a torsional wave in a rod, shaft or pipe using magnetostriction are provided. The magnetostrictive transducer includes at least one strip attached to a predetermined position of a rod member, an insulator disposed around the strip, a coil wound around the insulator,... Agent: Nath & Associates PLLC

20070090906 - Gradient coil arrangement and method for using the same: A gradient coil arrangement generates magnetic field gradients across the main magnetic field of a magnetic resonance imaging system and includes a first conductive member, and a second conductive member electrically coupled to the first conductive member, wherein the second conductive member forms a segment that has an approximate shape... Agent: Dorsey & Whitney LLP Intellectual Property Department

20070090907 - Magnetic bearing element: The invention relates to a magnetic bearing element having at least one annular permanent magnet (2, 3) that is surrounded by an annular binding band (5), which element is characterized in that the permanent magnet (2, 3) is divided at least one location (4) and spaced apart there.... Agent: Berenato, White & Stavish, LLC

20070090908 - Eddy current retarder: The object of the present invention is to provide an eddy current retarder capable of ensuring brake capacity and preventing magnetic leak. In one preferred embodiment of the invention, an eddy current retarder (1) comprises a first magnet ring (18) disposed opposite a brake rotor (3) and comprising a plurality... Agent: Mccormick, Paulding & Huber LLP

20070085637 - Contact arm with 90 degree offset: A moving arm for a moving contact assembly in a telecommunication system circuit breaker is provided. The circuit breaker has a housing assembly, an operating mechanism, a trip device, and a current path assembly. The current path assembly includes a line conductor assembly having a fixed contact. The operating mechanism... Agent: Martin J. Moran Eaton Electrical, Inc.

20070085638 - Auxiliary switch including movable slider member and electric power apparatus employing same: A non-contact auxiliary switch for a circuit breaker includes a target having first and second positions corresponding to open and closed positions of separable contacts. A non-contact sensor is responsive to the first and second positions of the target to generate first and second output signals. A movable slider member... Agent: Eaton Electrical, Inc. Technology & Quality Center

20070085640 - Circuit breaker common trip lever: A trip lever for a shared tripping device, wherein the shared tripping device is structured to operatively couple at least two circuit breakers, a primary circuit breaker and a secondary circuit breaker, the trip lever having an elongated trip lever body with a mounting end and a distal end. The... Agent: Martin J. Moran Eaton Electrical, Inc.

20070085639 - Circuit breaker intermediate latch stop: A side plate structured to support an intermediate latch for a telecommunication system circuit breaker is provided. The intermediate latch has at least one keyed hub. The keyed hub has a circular portion and a radial extension. The side plate has a generally flat body with a plurality of openings... Agent: Eaton Electrical, Inc. Technology & Quality Center

20070085641 - Circuit breaker common inter-phase link: An inter-phase link for a shared tripping device, wherein the shared tripping device is structured to operatively couple at least two circuit breakers, and the inter-phase link has an elongated body with a mounting end and a distal end. The inter-phase link body mounting end is structured to be coupled... Agent: Martin J. Moran Eaton Electrical, Inc.

20070085642 - Handle assembly having an integral slider therefor and electrical switching apparatus employing the same: A handle assembly is provided for a circuit breaker which includes a housing assembly that defines a substantially enclosed space housing an operating mechanism. The handle assembly is preferably a single-piece and includes a base member which is coupled to the operating mechanism, and a handle member having a first... Agent: Eaton Electrical, Inc. Technology & Quality Center

20070085643 - Operating mechanism having a toggle rivet assembly and method of manufacture: An operating mechanism for a circuit breaker includes a cradle having a generally planar body with a first link opening, at least one first link having an elongated body with a cradle opening, and a toggle rivet having a bushing component and a stake component. The bushing component has a... Agent: Martin J. Moran, Esq. Eaton Electrical, Inc.

20070085644 - Sintered plunger and production method therefor: A sintered plunger is used for electromagnetic actuators. The sintered member includes: an outer member composed of a soft magnetic material and having an inner hole formed therein, and a shaft having an end portion which is fitted into the outer member. The shaft is composed of a ferromagnetic steel,... Agent: Oliff & Berridge, PLC

20070085645 - Magnetic tool for retrieving metal objects from a well bore: A magnetic tool for retrieving metal objects from a wellbore has a plurality of magnet assemblies spaced longitudinally along a tool body. Each magnet assembly has a plurality of magnet members covering a majority surface area of the tool body. Each magnet member has a magnet body and a shield... Agent: Keaty Professional Law Corporation Thomas S. Keaty

20070080765 - Self-sustaining center-anchor microelectromechanical switch and method of manufacturing the same: Provided is a self-sustaining center-anchor microelectromechanical switch driven by an electrostatic force used for controlling a signal transmission in an electronic system, which can suppress deformation of a movement plane generated during manufacturing and operation process by inserting the self-sustaining center-anchor, and improve a ground line contact phenomenon of an... Agent: Mayer, Brown, Rowe & Maw LLP

20070080766 - Shock-resistant under-voltage release: A tripping device comprises a coil frame, a coil, a plunger, a spring, and an anti-shock device. The coil is fixedly coupled to the coil frame and has a cylindrical channel extending therethrough. The plunger is reciprocatingly received within the cylindrical channel and the spring is structured to bias the... Agent: Martin J. Moran, Esq. Eaton Electrical, Inc.

20070080767 - Circuit system and method for coupling a circuit module to or for decoupling the same from a main bus: A circuit system has a main bus, a circuit module connected to a sub-bus, a saturable magnetic switch connected between the sub-bus and the main bus, wherein the saturable magnetic switch has a first inductance in a first saturation state and a second inductance in a second saturation state, the... Agent: Slater & Matsil LLP

20070080768 - Arrangements, systems and methods for facilitating and collecting information associated with fluxes of magnetic fields provided at various angles from one another: Coil arrangements, systems, and methods are provided which are capable of facilitating information for imaging an anatomical structure. The arrangement may include two different coils. The first coil can produce a magnetic field in one direction and the second coil can produce a magnetic field in a second direction. The... Agent: Gary Abelev Dorsey & Whitney LLP

20070075808 - Multi-pole circuit breaker and apparatus for preventing deformation of driving shaft thereof: Disclosed are a multi-pole circuit breaker and an apparatus for preventing deformation of a driving shaft thereof. The multi-pole circuit breaker includes: a plurality of single pole breaking units having a pair of fixed contactors, a movable contactor, and shafts; a switching mechanism disposed on a certain one of the... Agent: Greenblum & Bernstein, P.L.C

20070075809 - Electromechanical latching relay and method of operating same: A latching relay employing a movable cantilever with a first permanent magnet and a nearby second magnet is disclosed. The permanent magnet affixed to the cantilever is permanently magnetized along its long (horizontal) axis. The cantilever has a first end associated to the first pole (e.g., north pole) of the... Agent: Jun Shen

20070075810 - Electromagnetic-force-balancing-type electronic balance: Disclosed is an electromagnetic-force-balancing-type electronic balance having a magnetic circuit which includes a yoke 4, a first permanent magnet 1, a pole piece 3, a second permanent magnet 2 and a cover 5. A connection member 7 made of a magnetic material is disposed in an air-gap region included in... Agent: Sughrue Mion, PLLC