Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7893808 | Conductor assembly having an axial field in combination with high quality main transverse field A conductor assembly of the type which, when conducting current, generates a magnetic field or in which, in the presence of a changing magnetic field, a voltage is induced. In one series of embodiments a plurality of coil rows comprise conductor in a helical wiring ... | 02/22/2011 |
| 7889046 | Conductor assembly formed about a curved axis A conductor assembly of the type which, when conducting current, generates a magnetic field or in which, in the presence of a changing magnetic field, a voltage is induced. In the assembly a first layer, tubular in shape, is formed about an axis. The axis includes a... | 02/15/2011 |
| 7872562 | Magnetic coil capable of simultaneously providing multiple multipole orders with an improved transfer function A method for constructing a conductor assembly of the type formed of one or more coil rows which, when conducting current, generate a magnetic field or in which, in the presence of a changing magnetic field, a voltage is induced. In one embodiment comprises forming ... | 01/18/2011 |
| 7741944 | Saddle-shaped coil winding using superconductors, and method for the production thereof Disclosed is a saddle-shaped coil winding which is formed onto an outer tube surface from a planar race track-type coil shape so as to be provided with axially extending winding sections on the longitudinal side and winding sections that extend therebetween, are loc... | 06/22/2010 |
| 7710235 | Inductors fabricated from spiral nanocoils and fabricated using noncoil spiral pitch control techniques Novel applications of nanocoil technology and novel methods of fabricating nanocoils for use in such applications and others. Such applications include inductors or traveling wave tubes fabricated from spiral nanocoils. Such applications includes inductors or travel... | 05/04/2010 |
| 7626481 | Ignition coil An ignition coil includes a coil body transversely arranged outside of a plug hole, and a plug connection portion protruding in a direction perpendicular to an axial direction of the coil body. A secondary coil of the coil body has a maximum outer diameter portion, ... | 12/01/2009 |
| 7474192 | Precision Rogowski coil and method for manufacturing same An improved Rogowski coil is formed on a toroidal core made of a thermoplastic or other moldable material, the core having a preferably continuous groove or grooves extending around the core. The grooves correspond in size to magnet wire which registers within the g... | 01/06/2009 |
| 7443279 | Coil package and bias tee package A coil package which makes it easy to handle a high-frequency cone/pyramid-shaped coil and enhance frequency characteristics without degrading the characteristics of the coil. The cone/pyramid-shaped coil has a conical or pyramidal shape formed by wiring a conductor... | 10/28/2008 |
| 7432794 | Variable integrated inductor A variable integrated inductor is described herein which has an inductance value that can be switched between two or more values. In the preferred embodiment, the variable integrated inductor includes a multi-loop primary inductor which is electromagnetically couple... | 10/07/2008 |
| 7362206 | Variable transformer A variable transformer has an effective turns ratio that can be varied by electronic switching. By varying the effective turns ratio, the output voltage can be controlled precisely for a varying input voltage and load regulation. The variable transformer is a modula... | 04/22/2008 |
| 7295095 | Electric component and method of producing the same In a push-pull switching circuit for a low-voltage, large current application, a decrease in resistance of a transformer and of its peripheral circuit is sought for. In view of this, a coil (2) is fixed at its terminal (T1) side, and is wound around a ... | 11/13/2007 |
| 7238888 | Wire for coil In a coil wire having a square sectional shape, arc-shaped chamfers are provided at four corners in the section of the square. The sectional area of the coil wire having the chamfers is set to at least 1.15 times as large as that of a circle having a diameter which ... | 07/03/2007 |
| 7236073 | Inductance part and electronic apparatus therewith An inductance part is provided which includes: a coil which is formed by bending a metal plate into a coil shape; a magnetic body in which the coil is buried; and a short ring which faces the coil. ... | 06/26/2007 |
| 7227441 | Precision Rogowski coil and method for manufacturing same An improved Rogowski coil is formed on a toroidal core made of a thermoplastic or other moldable material, the core having a preferably continuous groove or grooves extending around the core. The grooves correspond in size to magnet wire which registers within the g... | 06/05/2007 |
| 7205876 | Inductor for radio frequency integrated circuit An inductor used in a radio frequency integrated circuit is disclosed. The inductor includes a plurality of unit inductors each having a vertical spiral structure, wherein a vertical cross-section of at least one unit inductor selected from the plurality of unit ind... | 04/17/2007 |
| 7199693 | Choke coil and electronic device using the same The choke coil disclosed comprises: coils incorporated with terminals and intermediate taps manufactured of die cut metal plates; and a magnetic powder in which the coils are embedded. ... | 04/03/2007 |
| 7187179 | Wiring test structures for determining open and short circuits in semiconductor devices A wiring test structure includes a plurality of wiring traces configured in an interleaving spiral pattern. At least one of the plurality of wiring traces configured for open circuit testing therein, and at least a pair of the plurality of wiring traces is configure... | 03/06/2007 |
| 7158001 | Choke coil and electronic device using the same A choke coil according to the invention is configured to include: a coil incorporated with terminals and/or intermediate tap, the coil configured of a metal plate being punched and folded; a magnetic material buried with the coil therein; and a radiator of a materia... | 01/02/2007 |
| 7154368 | Magnetic core winding method, apparatus, and product produced therefrom The invention relates to winding wire around a magnetic core. The invention includes forming corners on the wire that align with inside corners of the magnetic core such that the wire is more tightly wound around the magnetic core. The invention also includes pinchi... | 12/26/2006 |
| 7148783 | Microwave tunable inductor and associated methods The inductor, preferably a microwave tunable inductor, includes first and second wires twisted together to define a double helix having a first end and second end with a plurality of twists therebetween. First and second terminals are at the first end of the double ... | 12/12/2006 |
| 7126451 | Process for the preparation of coil for electric appliance and coil for electric appliance The present invention is to provide a process for the preparation of coil for an electric appliance by which a coil for electric appliances comprising an edgewise wound square coil having small intervals between coils and high quality can be easily prepared in good ... | 10/24/2006 |
| 7119648 | Coaxial push pull transformers for power converters and like circuits A coaxial push pull transformer is an improved matrix transformer. A number of magnetic cores each contain a pre-wired secondary circuit. The secondary windings are tubular and extend through the core, and the ends of the tubular secondary windings are terminated to... | 10/10/2006 |
| 7114242 | Layered wing coil for an electromagnetic dent remover Methods of fabricating electromagnet assemblies are disclosed. In one embodiment, a includes forming a first helix and a second helix, each helix having a first end and a second end and a substantially oval cross-section, the cross-section having a major axis, each ... | 10/03/2006 |
| 7085115 | Non-ferrous surge biasing coil having multiple pairs of coils positioned at angles to one another A surge suppression device includes a first and second coil positioned in close proximity to one another such that the windings of each coil are disposed at an angle thereto. In a preferred embodiment, the coils are disposed such that the windings of each coil are p... | 08/01/2006 |
| 7079001 | Nuclear fusion reactor incorporating spherical electromagnetic fields to contain and extract energy A nuclear fusion reactor system includes a reactor core containing nuclear fusionable material and a plurality of conducting spheres arranged adjacent each other with at least two of said conducting spheres adjacent the reactor core. The reactor core and the conduct... | 07/18/2006 |
| 7078997 | Transformer assembly, and power conversion apparatus and solar power generation apparatus using the same In a transformer assembly formed by using a plurality of transformers each formed by winding a primary coil and a secondary coil around a winding core, one terminal and the other terminal of the primary coil are arranged on opposite sides of the winding core, one te... | 07/18/2006 |
| 6972560 | Method for detecting a change in permeability of a magnetostrictive object A method for detecting a change in permeability of a magnetostrictive object due to a change in strain. At least one first coil and at least one second coil are obtained and positioned such that magnetic flux lines induced by an electric current in the first coil(s)... | 12/06/2005 |
| 6962112 | Entirely combustible inductive primer A pyrotechnical primer for igniting propellant powder for sleeveless ammunition comprises an igniting element (4) and a coil (1). The energy required for triggering is transmitted in an electromagnetic manner (inductively). The inductive primer is cost... | 11/08/2005 |
| 6903646 | Inductor device and electronic circuit device that can achieve further integration while maintaining a high inductance An inductor device includes first and second spiral conductors. First and second external connection terminals are formed in inner peripheral ends of the first and second spiral conductors, respectively. A third conductor connects an outer peripheral end of the firs... | 06/07/2005 |
| 6850143 | Flyback transformer A flyback transformer has a winding portion. The winding portion includes a low-voltage bobbin, a high-voltage bobbin, low-voltage winding, and high-voltage winding, each of which having a flattened substantially circular cross-section. The high-voltage winding is w... | 02/01/2005 |
| 6833781 | High Q inductor in multi-level interconnect An inductor is formed from the interconnect structure of a semiconductor chip, using the vias and metal regions to form up and down segments of a loop, and horizontal metal lines to form the top and bottom segments of the loop. In addition, a second inductor can be ... | 12/21/2004 |
| 6803847 | Segmented induction electric machine with interdigitated disk-type rotor and stator construction The present invention relates to an A. C. electrical machine comprising: a plurality of disk-shaped annular stator elements stacked and spaced equidistantly from each other and mounted on a frame; a plurality of disk-shaped rotor elements mounted on a rotational axi... | 10/12/2004 |
| 6741156 | Rod-core transformer and a lamp cap having a rod-core transformer A rod-core transformer for use as a starting transformer in the cap of a high-pressure discharge lamp for a motor vehicle headlight. The rod-core transformer has at least two cores (2, 3) which are in the form of rods and are arranged alongside one another, a... | 05/25/2004 |
| 6717372 | Multi-lamp driving system A multi-lamp system for driving a lamp set having a first lamp and a second lamp comprises a driving circuit for converting a DC signal to an AC signal, a transformer having a primary side coupled to the driving circuit and a secondary side for outputting the AC pow... | 04/06/2004 |
| 6714113 | Inductor for integrated circuits An inductor is integrated in VLSI and ULSI technology products for very high frequency applications. The inductor is in a microstrip transmission line configuration which can be designed in a form of straight line, spiral line or Meander line. The inductor is formed... | 03/30/2004 |
| 6696913 | Ferrite core for a transformer A ferrite core, such as for transformers, has a middle bleb with an oval cross-section or flattened oval cross-section, whereby the longitudinal axis of the middle bleb is oriented parallel to the attachment plane of the transformer and the longest axis o... | 02/24/2004 |
| 6668999 | Coin sensor A coin sensor is provided for more accurately assessing the authenticity of a coin passing through a vertical channel where the channel is sized to accommodate different diameter coins. In the present invention, magnetic coils are deployed on the side of ... | 12/30/2003 |
| 6624498 | Micromagnetic device having alloy of cobalt, phosphorus and iron The process is provided involving formation of multilayer components in which a photoresist-type material is used not only as a conventional patterning material, but also as an insulating and/or planarizing material between magnetic or electrically conduc... | 09/23/2003 |
| 6614093 | Integrated inductor in semiconductor manufacturing An integrated inductor is formed on an integrated circuit or other substrate. The inductor is formed of a stack of almost totally enclosed rings of conductive material in which each ring has a single gap. Vias connect adjacent rings on opposite sides of t... | 09/02/2003 |
| 6556117 | Multi-channel uniform output type transformer A multi-channel output type transformer for outputting uniformly balanced voltage among multiple output channels. The transformer comprising a primary winding and a secondary winding that is wound round a winding shaft portion of a core. The secondary win... | 04/29/2003 |
