Quotables
"The radio craze will die out in time."
Thomas Edison ; 1922
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8077005 | Aligned multilayer wound coil The invention provides an aligned multilayer wound coil that is compact in size and excellent in productivity, an apparatus for manufacturing the same, an electrical equipment and a non-inductive resistance to which the aligned multilayer wound coil is applied. The ... | 12/13/2011 |
| 7154233 | Converter circuit with coupled inductances having asymmetrical air gap arrangement The invention relates to a converter circuit with coupled inductances L1 and L2 which have a core K having an air gap S which is asymmetrical with respect to the inductances. ... | 12/26/2006 |
| 7064644 | Winding for a transformer or a coil and method for winding A winding for a transformer or a coil having a ribbon electrical conductor and an insulating material layer composed of ribbon insulation material wound jointly to form turns around a winding core. The individual turns of the winding have a predetermined winding ang... | 06/20/2006 |
| 6998573 | Transformer module for a welder An electric arc welder comprising a high switching frequency inverter for driving the primary of an output transformer where the output transformer has a plurality of modules forming the secondary windings of the transformer and each of the modules comprises a first... | 02/14/2006 |
| 6850141 | Integrated circuit inductors The invention relates to an inductor comprising a plurality of interconnected conductive segments interwoven with a substrate. The inductance of the inductor is increased through the use of coatings and films of ferromagnetic materials such as magnetic metals, alloy... | 02/01/2005 |
| 6825747 | Integrated circuit inductors The invention relates to an inductor comprising a plurality of interconnected conductive segments interwoven with a substrate. The inductance of the inductor is increased through the use of coatings and films of ferromagnetic materials such as magnetic metals, alloy... | 11/30/2004 |
| 6822545 | Integrated circuit inductors The invention relates to an inductor comprising a plurality of interconnected conductive segments interwoven with a substrate. The inductance of the inductor is increased through the use of coatings and films of ferromagnetic materials such as magnetic metals, alloy... | 11/23/2004 |
| 6817087 | Integrated circuit inductors The invention relates to an inductor comprising a plurality of interconnected conductive segments interwoven with a substrate. The inductance of the inductor is increased through the use of coatings and films of ferromagnetic materials such as magnetic metals, alloy... | 11/16/2004 |
| 6812543 | Micro device that generates a magnetomotive force in a long direction A micro device includes a first magnetic layer, a second magnetic layer and a thin film coil. The first magnetic layer and the second magnetic layer are formed so as to be opposite to each other and magnetically connected via a joint. The thin film coil includes a p... | 11/02/2004 |
| 6563413 | Multiple parallel conductor for electrical machines and devices Multiple parallel conductor for an electrical machine and process. The conductor includes a plurality of adjacent subconductors combined to form a subconductor bundle having an outer surface with a plurality of contiguous surface sections arranged in a lo... | 05/13/2003 |
| 6271743 | Winding arrangement of a coil To simplify coil production, in particular coils used for high-voltage transformers, a conductor is wound on to a winding form. The conductor comprises a plurality of conductor portions. The conductor portions overlap one another partially and are insulat... | 08/07/2001 |
| 6124624 | Q inductor with multiple metallization levels In an integrated circuit, such as an RF oscillator device, having multiple mutually separated levels of electrically conducting material, each level comprises a plurality of adjacently arranged strips separated from another. Strips of different levels are... | 09/26/2000 |
| 6049266 | Single-phase three-wire type transformer A single-phase three-wire type transformer which forms secondary coils by duplex coils winding two conductors in parallel according to the division intersection connection and can reduce currents circulating inside of a circuit of the transformer, thereby... | 04/11/2000 |
| 5917396 | Wideband audio output transformer with high frequency balanced winding A wideband audio output transformer for use with a push-pull vacuum tube amplifier using a multifilar ribbon in which primary windings and secondary windings coexist. The multifilar ribbon is wound continuously around a common core side by side to form su... | 06/29/1999 |
| 5821843 | Chip inductor A winding core is formed by extruding a kneaded material to be obtained by kneading a powdered magnetic material and a binder. A plurality of bundled conducting wires are wound around the winding core into a coiled shape. An external cover element is form... | 10/13/1998 |
| 5600293 | Integrated magnetic exploding foil initiator fire set An integrated magnetic exploding foil initiator fire set includes a DC-DC converter with a first transformer, a triggering mechanism with a second transformer, and an integrated magnetic structure for the respective transformers. Inductive interference is... | 02/04/1997 |
| 5565836 | Nullification of magnetic fields relative to coils The internal and/or external magnetic fields of a coil are nullified to ad structurally detrimental Lorentz Forces and/or environmentally hazardous magnetic fields, in accordance with preestablished design objectives.... | 10/15/1996 |
| 5565835 | Substantial nullification of external magnetic fields and lorentz forces regarding toroidal inductors Main and supplemental windings are combined in a toroidal inductor to subntially nullify Lorentz Forces on the main winding and the magnetic field thereof which passes externally from the inductor.... | 10/15/1996 |
| 5500632 | Wide band audio transformer with multifilar winding An output transformer for use with a push-pull vacuum tube amplifier using a multifilar ribbon in which primary windings and secondary windings co-exist. The multifilar ribbon is wound continuously around a common core side-by-side to form successive laye... | 03/19/1996 |
| 5446311 | High-Q inductors in silicon technology without expensive metalization A monolithic high-Q inductor structure is formed with multiple metalization levels in a conventional integrated circuit technology in which inductor turns utilize these multiple levels to reduce the inductor resistance. Inductors with Q values above five ... | 08/29/1995 |
| 5027099 | Sensitive fault detection system for parallel coil air core reactors An air core reactor of the type having a plurality of coaxial coil windings connected electrically in parallel by structurally rigid spiders at opposite ends of the reactor. There are two electrically conductive spiders at least one end of the reactor. Se... | 06/25/1991 |
| 4874916 | Induction heating and melting systems having improved induction coils Improved electric induction heating apparatus wherein the coil has two or more windings of special low loss conductor with such windings electrically connected in parallel. The two or more windings can be wound simultaneously one on top of the other and/o... | 10/17/1989 |
| 4864266 | High-voltage winding for core-form power transformers A high-voltage winding for core-form power transformers is disclosed that uses two different conductor configurations within a single coil to minimize eddy current losses. The winding includes a first elongated conductor bundle formed from a plurality of ... | 09/05/1989 |
| 4859978 | High-voltage windings for shell-form power transformers A high voltage electrical winding for shell form transformers is disclosed that reduces eddy current and circulating current losses within the winding. The winding is fabricated from an elongated conductor bundle that is spirally wound into a plurality of... | 08/22/1989 |
| 4829417 | High-power transformer The secondary winding of a high power transformer for clocked power supplies is composed of a plurality of skeins extending parallel to one another which are, in turn, constructed of a plurality of stranded conductors extending parallel to one another, wh... | 05/09/1989 |
| 4665369 | Device including plural wire detecting coils having faulty coil sensing capabilities for the directional guidance of the trackless vehicle Method and device for measuring two orthogonal electromagnetic field components using a cross coil and for evaluating the components in the distance measurement in electronically course-steered vehicles (13). For rapid and ensured detection of malfunction... | 05/12/1987 |
| 4641115 | Radio frequency chokes having two windings and means for dampening parasitic resonances Radio frequency chokes for use in combining and separating radio frequency signals and single phase AC power in the equipment used in cable transmission and distribution systems. The radio frequency chokes include a conductor wound on a magnetic core to f... | 02/03/1987 |
| 4631511 | Toroid transformers and secondary windings Secondary winding configurations and methods particularly applicable for toroid transformers are described for winding secondary windings over the indexed primary winding and toroidal core. The secondary winding is formed in the configuration of a multifi... | 12/23/1986 |
| 4486730 | Disc coil winding of interwound single or double coils A disc coil winding of interwound coils is formed of winding conductors covered with normal insulation, the winding having a radially inner and a radially outer surface. A plurality of the coils are disposed at an input to the winding, and have respective... | 12/04/1984 |
| 4471337 | Conductor bundles for the coils of dry inductors Conductor bundles for the concentric coils of a dry inductor having no iron core. The coils define cooling air gaps therebetween, adjacent ones of the coils being electrically connected in parallel and each coil being comprised of turns of a conductor bun... | 09/11/1984 |
| 4460885 | Power transformer A power transformer characterized by inner and outer low voltage winding sections and a high voltage winding section disposed therebetween. The low voltage windings are comprised of a plurality of pancake coils, and the high voltage winding are comprised ... | 07/17/1984 |
| 4321426 | Bonded transposed transformer winding cable strands having improved short circuit withstand A heat shrunken polymeric material is wrapped around a plurality of adhesive coated, insulated wire strands juxtaposed in a transposed configuration to compact the metal strands into intersurface contacting relation, and thus promote improved bonding toge... | 03/23/1982 |
| 4319111 | High frequency induction heating apparatus having a vacuum oscillator means A high frequency induction heating apparatus for heating articles where the apparatus has a heating station, a source of high frequency current including a vacuum tube oscillator means and a plurality of high frequency electric conductors which extend thr... | 03/09/1982 |
| 4277770 | Regulating winding structure for transformer A regulating winding for a high power transformer which includes a conductor bunch having a multiplicity of series-connected, parallel conductor loops, each loop comprising at least two parallel loop strands. The conductor bunch includes a number of radia... | 07/07/1981 |
| 3991394 | Helical inductor for power lines and the like Current distribution between parallel-connected, coaxial, helical coils is determined by rectangular conductors having a selected radial thickness and longitudinal widths so that each coil carries the desired current. First adjacent ends of all of the coi... | 11/09/1976 |
