Electricity: magnetically operated switches, magnets, and electromagnets inventions 06/07

20070146104 - Active radio frequency coil for high field magnetic resonance imaging: As the static magnetic field used in Magnetic Resonance Imaging (“MRI”) instruments increases the resonance frequency also increases. Consequently, the signal lost due to the coil becomes an issue. To compensate for this loss, it is possible to use an active device, such as a diode, a transistor, etc., with... Agent: Dorsey & Whitney LLP Intellectual Property Department

20070146105 - Complementary inductor structures: Complementary inductor structures. The inductor structure may include two or more sub-inductors that have positive coupling to provide a total inductance approximately equal to the sum of the inductance provided by the two or more sub-inductors. Radiation from the two or more sub-inductors may be in different phases to partially,... Agent: Blakely Sokoloff Taylor & Zafman

20070146106 - Rotating and pivoting magnet for magnetic navigation: A system for magnetically navigating a medical device in an operating region within the body of a patient. The system includes a magnet having a front field projecting from the front of the magnet sufficient to project a magnetic field into the operating region in the patient. The magnet is... Agent: Harness, Dickey, & Pierce, P.l.c

20070146107 - Magnetic field generating apparatus for magnetic resonance imaging: A Magnetic Resonance Imaging (MRI) system is disclosed. The MRI system includes a cryogenic magnet assembly with a cryogenic vessel housing a superconducting magnet. Disposed radially inboard of the cryogenic magnet assembly are a gradient coil module and a plurality of room temperature steel rings proximate to the gradient coil... Agent: Cantor Colburn, LLP

20070139144 - Electromagnetic switching device: An electromagnetic switching device includes an electromagnetic drive device and at least one electrical contact that, when a starting current is applied to the drive device, can be transferred by the drive device from a disconnect position (contact opened) into a bridging position (contact closed). When the switching device is... Agent: Harness, Dickey & Pierce, P.L.C

20070139145 - Micro-electromechanical system (mems) switch arrays: A micro-electromechanical system (MEMS) switch array for power switching includes an input node, an output node, and a plurality of MEMS switches, wherein the input node and the output node are independently in electrical communication with a portion of the plurality of MEMS switches, and wherein a failure of any... Agent: General Electric Company Global Research

20070139146 - Starter: A starter includes a starter motor, a main circuit section, a main switch section including a main contact section to cut a current, a main plunger driven to open and close the main contact section, suction and holding coils, battery and motor terminals, and a switch terminal connected to the... Agent: Sughrue-265550

20070139147 - Circuit breaker: A circuit breaker is comprised of a make-and-break mechanism part disposed between frame plates opposite to each other; a base in which a breaking portion including cross bar, moving contact, fixed contact and arc-extinguishing device, and an over-current trip device are contained; a middle base, in which a partition wall... Agent: Sughrue Mion, PLLC

20070139148 - Magnetic field generating assembly and method: A magnetic field generating assembly comprising a set (A1-A3;B1-B3;C1-C3) of, typically substantially coaxial, coils substantially symmetrically arranged about a plane orthogonal to the axis. At least some of the coils carry working currents in the opposite sense to the other coils The arrangement of turns and working currents carried by... Agent: Staas & Halsey LLP

20070132530 - Ground fault circuit interrupter with reverse wiring and end-of-life protection: A circuit interrupter comprises a pair of fixed contact strips, a pair of load contact strips, a pair of movable contact strips, a reset component, a movable component, and a trip component that contains a reset contact. Each of the fixed contact strips has a fixed contact. Each of the... Agent: Hogan & Hartson L.L.P.

20070132531 - Two pole circuit interrupter employing a single arc fault or ground fault trip circuit: An arc fault circuit breaker includes a housing and two poles therein. Each of the poles includes separable contacts, an operating mechanism structured to open and close the separable contacts, and a thermal/magnetic trip mechanism cooperating with the operating mechanism to trip open the separable contacts. An arc fault trip... Agent: Martin J. Moran, Esq. Eaton Electrical, Inc.

20070126537 - Electric rotary machine, armature, method of manufacturing electric rotary machine and machine for forming armature: An electric rotary machine, an armature for use in the electric machine, a method of forming an electric rotary machine and a forming machine for an armature of an electric rotary machine are disclosed wherein insulator-coated coils are wound in slots of an armature core from which lower and upper... Agent: Oliff & Berridge, PLC

20070126536 - Electromechanical switch: In one aspect, an electromechanical switching device is illustrated. The electromechanical switching device includes a relay with at least one first conductive portion, at least one second conductive portion, and at least one actuation component that moves the at least one first conductive portion and the at least one second... Agent: Mark S. Svat Fay, Sharpe, Fagan, Minnich & Mckee, LLP

20070126538 - Electrical switch: An electrical switch for connecting and breaking a circuit including a connecting and breaking mechanism for connecting and breaking the circuit provided with at least a set of movable contacts and stationary contacts; a electromagnetism drive mechanism for controlling the contacts to be actuated so as to realize closed circuit;... Agent: Fish & Richardson, PC

20070126539 - Reset lockout for circuit interrupting device: Resettable circuit interrupting devices, such as GFCI devices, that include a reset lock-out mechanism are provided. The reset lock-out mechanism prevents the resetting of electrical connections between input and output conductors if the circuit interrupting mechanism used to break the connection is non-operational or if an open neutral condition exists.... Agent: Paul J. Sutton, Esq., Barry G. Magidoff, Esq. Greenberg Traurig, LLP

20070126540 - System and method for reducing effect of magnetic fields on a magnetic transducer: An electromagnetic driver transducer free of torque in the presence of an external magnetic field, of any direction and orientation (such as in a Magnetic Resonance Imaging environment). The transducer includes a housing. At least one coil is associated with the housing. A plurality of magnets within the housing are... Agent: Bromberg & Sunstein LLP

20070126541 - Method of designing a shim coil to reduce field settling time: A shim coil design technique determines a position and a geometry of a room temperature (RT) shim coil to provide both a desired field homogeneity and a desired B0 field setting time. The simultaneous satisfaction of both field homogeneity and field settling time is achieved without a reduction of flux... Agent: Ziolkowski Patent Solutions Group, Sc (gems)