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Class 336/188 - TWO WINDINGS WITH MUTUALLY CROSSED WINDING TURNS


Subclass of Class 336 - Inductor devices
Definition: Inductor devices wherein the device comprises two windings
No. of patents: 39
Last issue date: 02/01/2011


NumberTitleIssue Date
7880578Conductor assembly including a flared aperture region
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. A helical wiring pattern is positioned along an axis a radial distance R from the axis. The w...
02/01/2011
7233222Inductively powered apparatus
An inductive power supply system for providing power to one or more inductively powered devices. The system includes a mechanism for varying the physical distance or the respective orientation between the primary coil and secondary coil to control the amount of powe...
06/19/2007
7154233Converter 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
7132918Inductive coil assembly
An inductive coil assembly having multiple coils arranged at distinct orientations to provide efficient inductive coupling of power or communications or both to a device when the device is arranged at different orientations with respect to the inductive primary coil...
11/07/2006
6967554Coil for a rotary electric machine
A coil for an electric rotary machine includes a substantially flat bundle of insulated wires wound around a winding axis so as to form a plurality of superposed turns, the cross-section of the bundle in the superposed turns having a long dimension that extends subs...
11/22/2005
6937130Magnetic field production system, and configuration for wire-free supply of a large number of sensors and/or actuators using a magnetic field production system
A magnetic field production system is proposed and has a two-dimensional winding configuration with two windings. The windings are disposed essentially orthogonally with respect to one another and enclose a machine or system. The windings have winding axes that are ...
08/30/2005
6933822Magnetically influenced current or voltage regulator and a magnetically influenced converter
A magnetically influenced current or voltage regulator includes a body of an anisotropic magnetisable material that provides a closed magnetic circuit. A first electrical conductor is wound around the body along at least a part of the close circuit for at least one ...
08/23/2005
6921042Concentric tilted double-helix dipoles and higher-order multipole magnets
Concentric tilted double-helix magnets, which embody a simplified design and construction method for production of magnets with very pure field content, are disclosed. The disclosed embodiment of the concentric tilted double-helix dipole magnet has the field quality...
07/26/2005
6215386Coil device
A combined-type coil device provided with a core, a first coil and a second coil, where the core is provided with at least four through holes and the through holes are roughly parallel to one another. When a combination of two through holes constitutes a ...
04/10/2001
6178617Method of assembling a modular current transformer
A method for assembling a modular current transformer (17) includes providing a first bobbin (40A) having a first aperture (32A) disposed therein and a second bobbin (40B) having a second aperture (32B) disposed therein. The first axial aperture (32A) is ...
01/30/2001
6170154Printed lumped element stripline circuit structure and method
A novel circuit packaging structure including a combination of printed lumped elements within a multi-layer stripline architecture is provided and methods of making the same. The lumped elements are provided by printing the individual passive elements, in...
01/09/2001
6168696Non-knurled induction coil for ionized metal deposition, sputtering apparatus including same, and method of constructing the apparatus
An RF induction coil for inductively coupled ionized sputtering applications having at least one extremely smooth surface, on the order of about 30 μm or less, which faces, substantially resides within, or is immediately proximate a plasma field in a spu...
01/02/2001
6046662Low profile surface mount transformer
A transformer is provided that consists of a primary winding, a secondary winding and a magnetic core. The primary winding is wound directly around the magnetic core, thereby removing the need for a bobbin. By removing the need for the bobbin, the transfo...
04/04/2000
5892420Electronic circuit breaker having modular current transformer sensors
A compact current transformer is formed by arranging a pair of secondary windings on opposite sides of a single turn primary winding. A core is then wound about the primary winding and part of the secondary winding coils from a continuous roll of metal st...
04/06/1999
5694103Laminated figure 8 power meter core
An improved laminated ferromagnetic FIG. 8 power meter core is provided. The core is fabricated from a plurality of ferromagnetic plates and is formed in the general shape of a FIG. 8. The central leg of the core has a cross-sectional area that is larger ...
12/02/1997
5414350Rotating magnet measuring instrument and method for equalizing coil windings
A rotating magnetic measuring instrument including a form for receiving thereon first and second coil windings, with the second coil being wound within the first coil. The second coil includes a section thereof wound in a reverse direction for reducing th...
05/09/1995
5359315Method of forming a three-layer structural spiral inductor
A selected inductance can be provided by a three-layer structural spiral inductor having an inductor conductive part disposed between two ground electrodes within an electric insulating substrate. This is carried out by eliminating a particular portion of...
10/25/1994
5329269Single core triaxial flux-gate magnetometer
A single core triaxial flux-gate magnetometer including a tall-toroidal core having a radial excitation winding, two orthogonal sets of axial or circumferential output windings, and an equatorial output winding oriented orthogonal to both axial output win...
07/12/1994
5281941Coil form and coil for antenna coils, or the like
A coil form for supporting coils of wire includes three intersecting orthogonal plates whose peripheral surfaces together define an imaginary spherical surface. The plate peripheries increase the effective winding area of the coils with respect to the ext...
01/25/1994
5243277Cross coil meter
Disclosed herein is a cross coil having a first coil winding for generating a first magnetic field when an electrical current flows therethrough and a second coil winding for generating a second magnetic field when an electrical current flows therethrough...
09/07/1993
5216393High frequency broadband TV signal transformer, especially for 47-860 MHz band
Conventional transformers for coupling a transmission line to a laser diode have an upper frequency limit of about 600 MHz. In order to extend bandwidth up to 860 MHz, an improved transformer features a first winding W1 and a second winding W2 twisted tog...
06/01/1993
5118998Multi-tap primary coil for gas discharge lamps
A multi-tap ballast including wires of two gauges connected to each other to provide a smaller package than previously could be obtained....
06/02/1992
5061891Cross coil
Disclosed herein is a cross oil having a first coil winding for generating a first magnetic field when an electrical current flows therethrough and a second coil winding for generating a second magnetic field when an electrical current flows therethrough,...
10/29/1991
5047715Electromagnetic device for position measurement having multiple coils with equal area of turn cross-section
An electromagnetic device for inductive position measurements for eliminating both the disadvantage of a limited measuring range and the disadvantage of superimposed interference voltages in the event of directional changes by providing a probe having a p...
09/10/1991
4992726Woven crossed-coil air-core gauge
An air-core gauge containing interwoven cross-coil stator windings that permit interchanging the stator windings of equal radii and still achieve rotor meter movement that coincide directly with desired needle movement over a dial containing linear magnit...
02/12/1991
4990808Symmetrical resonant scanner and drive
A resonant rotationally oscillating mechanical system has masses supported by a resilient structure held at both ends on a stationary base to define a natural resonance frequency of intended rotational motion about an axis relative to the base. The resili...
02/05/1991
4916425Electromagnetic device
An electromagnetic device, comprising a first, ring-shaped wound unit consisting of at least first and a second sequentially wound portions of electrically insulated layers of concentrically wound windings, the first portion being made of high permeabilit...
04/10/1990
4831293Low power, stepping motor with display
A stepping motor with a permanently magnetized rotor disc mounted on a shaft and with at least one air-core coil for the excitation of a magnetic field. Each coil has been wound in a plane in which the normal to the windings of each coil is perpendicular ...
05/16/1989
4816784Balanced planar transformers
A monolithic transformer comprises two windings arranged in a plane with conductors of the windings interleaved with and crossing one another, whereby each winding is symmetrical with respect to a center point of the winding, to which a center tap connect...
03/28/1989
4700131Mutual inductor current sensor
The invention set forth herein is a three phase current sensor for providing a signal indicative to the three phase current and phase imbalance. The sensor comprises an electrically insulated current carrying conductor for each phase with one end of the c...
10/13/1987
4633174Crossed-coil rotating-magnet measuring instrument
In a crossed-coil rotating-magnet measuring instrument having an approximately cylindrical core developed as winding form, a first and second coil are wound crossed one above the other. The second coil is necessarily arranged over the first coil in the re...
12/30/1986
4549130Low leakage transformers for efficient line isolation in VHF switching power supplies
A transformer assembly suitable for use in very high frequency (VHF) switching power supplies that maintains a low leakage inductance between critical transformer windings while complying with the physical and electrical requirements imposed by standards ...
10/22/1985
4283714Magnetic keyboard system
A contactless travel keyboard has first and second coils with elongated loop portions arranged at each key station so that, when an electrically conductive key element at the station is in a key-up position spaced from the coils, electrical input to the f...
08/11/1981
4246446Moving coil pick-up with coils printed on opposite sides of waver
At least one spiraled semi-circular shaped coil is printed on each surface of a wafer. The coil on a first surface of the wafer is arranged in such a manner that it is rotated 90 degrees with respect to the coil on a second surface thereof. In one embodim...
01/20/1981
4210859Inductive device having orthogonal windings
An inductive device comprising a magnetic core and windings for producing two or three substantially orthogonal magnetic fields at all points within the core. The device may be utilized as an inductor or transformer in a variety of applications....
07/01/1980
4176237Four a induction
The present invention concerns an induction furnace. It is the object of the invention to increase the power of such furnaces while maintaining their weight or space requirements, or, to reduce their weight or space requirements for a given power, or furt...
11/27/1979
4063207Coil structure
A cylindrical coil form, for magnetic coupling with an irradiated nuclear magnetic resonance gas sample, is provided with peripheral and longitudinal grooves. The peripheral grooves are not helical in form, but are perpendicular to the axis of the coil fo...
12/13/1977
4053828Metal detector with first and second nested rectangular coils
An orthogonal coil metal detector with nesting rectangular coils, each comprising a plurality of turns encapsulated in an insulating material and having a layer of electrical resistive material thereon. An encapsulating material in the gap between the coi...
10/11/1977
3932827Magnetic field drive coils for field accessed cylindrical domain memories
A magnetic field drive coil arrangement includes a hollow rectangular coil form having a pair of rectangular openings at opposite ends of the longitudinal axis of the form, a first coil wound around the coil form such that the turns of the coil in the cen...
01/13/1976
 
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