Electricity: magnetically operated switches, magnets, and electromagnets inventions 03/09

20090079525 - Electrostatic clamp, lithographic apparatus and method of manufacturing an electrostatic clamp: An electrostatic clamp for use in a lithographic apparatus includes a layer of material provided with burls, wherein an electrode surrounded by an insulator and or a dielectric material is provided in between the burls. The electrostatic clamp may be used to clamp an object to an object support in... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20090079526 - Magnetic floating paper towel holder: A magnetic floating paper towel holder consists of a magnetic stand that has magnetic blocks installed at four corners and four sides and a magnetic paper towel holder which has two magnetic wheels and one magnetic connecting tube. The magnetic polarity of the stand magnetic blocks, the magnetic wheels and... Agent: Kun Yuan Tong

20090079527 - Yoke-integrated magnet: The present invention provides a yoke-integrated magnet, including: a ring-shaped bond magnet containing a rare earth iron-based alloy magnetic powder and a synthetic resin binder; and a ring-shaped back yoke provided on an inner periphery or an outer periphery of the bond magnet to be integral with the bond magnet,... Agent: Bacon & Thomas, PLLC

20090072933 - Automatic circuit breaker with tripping device activated by a movable contact: This invention pertains to an automatic single- or multi-pole circuit breaker (1) for use in lowvoltage applications. The circuit breaker (1) includes at least a first fixed contact (10) that is coupled/uncoupled with a first moving contact (20). The latter is operatively connected to an operating mechanism (5) that enables... Agent: Connolly Bove Lodge & Hutz LLP

20090072934 - Electromagnetic actuator and switch apparatus equipped with such an electromagnetic actuator: i

20090072935 - Relay: A relay is disclosed that includes a first opening and closing part including an openable and closeable first gap; a second opening and closing part including an openable and closeable second gap, the second opening and closing part being placed side by side with the first opening and closing part... Agent: Staas & Halsey LLP

20090072936 - Switching device: Magnetic attractive force of a magnet exerted on a movable contact in a sealing case through yokes changes as a result of movement of a magnetic shunt element induced by movement of a movable element located outside the sealing case. As a result, the movable contact can be brought into... Agent: Morgan Lewis & Bockius LLP

20090072937 - Steel pipe demagnetizing tool: A system for negating remnant magnetic fields in a weld joint between two work pieces or pipes The electromagnet structure are formed around the pipe with surfaces that provide a substantial area for magnetic flux coupling with each repair area on either side of the weld joint.... Agent: John W. Holley

20090072938 - R-t-b system alloy and method of preparing r-t-b system alloy, fine powder for r-t-b system rare earth permanent magnet, and r-t-b system rare earth permanent magnet: The present invention provides an R-T-B system alloy used as a raw material for a rare earth permanent magnet (wherein R represents at least one selected from the group consisting of Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Ho, Er, Tm, Yb and Lu, T represents... Agent: Sughrue Mion, PLLC

20090072939 - Magnet system and mri apparatus: A magnet system having a pair of parallel plate-like permanent magnets in which magnetic poles of reversed polarities are opposed to each other with a space therebetween. The pair of permanent magnets includes main portions magnetized in the same direction as their thickness direction, and peripheral portions magnetized in a... Agent: Patrick W. Rasche Armstrong Teasdale LLP

20090066449 - 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

20090066450 - Electromagnetic relay, and method and system for adjusting same: An electromagnetic relay has a solenoid formed from a wound coil, a movable contact-point block having a movable iron core, an insulation holder integrated with the upper end portion of the movable iron core and a movable contact piece which is biased toward and supported by the insulation holder through... Agent: Osha Liang L.L.P.

20090066451 - Solenoid:

20090066452 - Magnetic levitation cushion and magnetic levitation for the same: A magnetic levitation cushion has multiple magnetic levitation devices, at least one assembling device and at least one supporting pad. The assembling device holds all the magnetic levitation devices as a group. Each magnetic levitation device has a housing, a fixed magnet assembly mounted securely in the housing, a movable... Agent: Jackson Walker, L.L.P.

20090058573 - Power switching apparatus and method of controlling the same: A power switching apparatus includes a breaker unit, an operating unit, a measuring unit, and a controlling unit. The breaker unit is connected on a three-phase current line, and includes switches each corresponding to one of phases of the three-phase current line. The operating unit simultaneously turns on or off... Agent: Buchanan, Ingersoll & Rooney PC

20090058574 - Electronic circuit breaker and method: An electronic circuit breaker has an input, an output, and a switch electrically connected between the input and the output. The electronic circuit breaker monitors the energy dissipated by the switch and opens the switch when the energy reaches a threshold value in order to protect the switch. The electronic... Agent: Harness, Dickey, & Pierce, P.l.c

20090058575 - Magnetic activation and deactivation circuit and system: A circuit (10) comprising a latching device (20) operatively configured and arranged to change from a first output state to a second output state as a function of a magnetic field (40) applied in a first direction, to maintain the second output state when the magnetic field is no longer... Agent: Phillips Lytle LLP Intellectual Property Group

20090058576 - Magetic latching relay: The present invention relates to a magnetic latching relay which can avoid influences of erection stress on internal structure parameters thereof The magnetic latching relay includes a yoke assembly, a magnetic steel assembly, a contact system having movable and immovable contact spring assemblies and a pusher pad, and a shell... Agent: Matthias Scholl

20090058577 - Electromagnetic relay: In order to provide an electromagnetic relay in which mold manufacturing and assembling work are easy, the electromagnetic relay comprises: a base 10; an electromagnetic block 20 mounted on the base 10, in which one end portion of an iron core 30 around which a coil 21 is wound serves... Agent: Osha Liang L.L.P.

20090058578 - Portable electronic device with hall sensor: A portable electronic device includes a cover section (54), a body section (52), a magnet (60) and a hall sensor (70). The cover section has a printed circuit board secured therein. The body section has a connecting portion, and the body section is rotatably connected to the cover section with... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20090058579 - Magnet assembly for a magnet valve: The invention relates to a magnet assembly for a magnet valve. The assembly has an inner pole and an outer pole as well as a coil. The coil is arranged between the inner pole and the outer pole and the coil wound directly onto the inner pole. According to the... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20090058580 - Magnetic levitation system and method: A magnetic levitation system has a substantially circular levitation track that is magnetically repulsive and a substantially circular propulsion track adjacent the levitation track that is magnetically repulsive. The system further has an end effector, which has a first array of magnets positioned to magnetically interface with the levitation track... Agent: Lanier Ford Shaver & Payne P.C.

20090058581 - Compact linear actuator and method of making same: This invention describes a compact linear moving coil actuator that incorporates a piston bobbin coil assembly that provides a shaft with linear reciprocal movement. Optionally, a rotary motor can be coupled to the shaft to provide rotary reciprocal movement. The piston and bobbin sections of the piston bobbin coil assembly... Agent: Morrison & Foerster LLP

20090058582 - Systems and methods for extracting net-positive work from magnetic forces: This invention relates generally to magnets, and more specifically, to improved systems and methods for extracting net-positive work from magnetic forces. In one embodiment, the invention includes the steps of magnetically coupling a first stack magnet to a gate magnet; permitting at least one wheel magnet to approach the first... Agent: Ruttler Law PLLC One Union Square

20090058583 - Magnet cap: One or more method(s), system(s), and/or device(s) produces an assembly for securing a product to a dissimilar material, such as a magnet to plastic. A magnet assembly may include a plastic cap having one or more wings extending laterally from a side surface of the plastic cap. A plastic holder... Agent: Mg-ip Law, PLLC