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WO/1997/047083A1 |
An electrical connector includes a common mode filter with a choke portion and an electrical isolation portion made up of two core members, each core member having two core legs (28, 29, 30, 31). A first winding (19) is wrapped around th...
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WO/1997/043773A1 |
A chip coil winding machine which comprises a chuck provided on a peripheral portion of a rotary body and serving to hold a chip core, which is formed at both ends thereof with opposing electrodes, from a direction parallel to an opposin...
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WO/1997/041639A1 |
A transformer for electrical isolation and signal filtering is at least partially formed on a substrate (360). The transformer includes the following elements: holes (415, 425); ferrite core (450); primary spiral winding (410) with first...
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WO/1997/038427A1 |
An inductive element having a selectable inductive value is connectable to a differential circuit. The inductive element is formed of transmission lines, and the inductive value of the inductive element is altered by trimming away portio...
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WO/1997/035329A1 |
A magnetic device such as an inductor suitable for reducing the size used in a high frequency band, and made of an oxide magnetic material called ferroxplana having high electrical insulating properties and a high permeability. Among the...
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WO/1997/034057A1 |
A lightweight sound absorbing and shielding plastic sheet, which is effective as a building material and a soundproof wall material even in low and intermediate sound regions, and can be a material for a sound absorbing and shielding pla...
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WO/1997/025727A1 |
An electrical choke has a magnetic core with a distributed gap. The magnetic core is composed of an iron based, rapidly solidified metallic alloy. The distributed gap configuration is produced by an annealing treatment which causes parti...
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WO/1997/024737A1 |
A flexible coil winding structure of a flyback transformer is disclosed, which comprises a magnetizable core at the center portion, a conductor line pattern around the magnetizable core, and a flexible insulator sheet around the conducto...
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WO/1997/024739A1 |
A secondary winding structure of a transformer fabricated by laminating circular insulator sheets, each having an opening at the center thereof. The secondary winding structure is composed of two laminated flexible transformer elements a...
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WO/1997/021231A1 |
A plurality of sensing coils are formed by spiral coil electrical conductor sections deposited on a flexible substrate which is formed into a cylindrical form about a central axis. The conductor sections are spaced apart by a distance eq...
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WO/1997/020327A1 |
A coiled component (K1) comprising: an insulating member (3); a conductive member (5) which is provided in the insulating member (3) and has a plurality of turns gradually different, in diameter, from each other from one end towards the ...
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WO/1997/019457A1 |
The invention relates to an inductive component having a relay and inductor function. According to the invention, one and the same magnetic circuit is used for both the relay and the inductor function. The inductive component includes a ...
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WO/1997/019458A1 |
The invention relates to an inductive component that comprises a magnetic core (1), coil (6) and yoke (7, 10). According to the invention, the magnetic core (1) comprises a cylinder (2) that has been wound from wide strip material around...
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WO/1997/016836A1 |
A transformer for high frequency applications having a multilayer thin film structure and a dielectric material disposed between coils increases the inductive coupling between the coils while at the same time reducing the capacitive coup...
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WO/1997/013262A1 |
Although previously known miniature inductances with correspondingly small cores were SMD-capable elements, their bar core length was insufficient to achieve adequate transmission power and their size prevented adequate miniaturisation f...
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WO/1997/013321A1 |
The invention relates to a device for absorbing the electrical noise in a cable, which device contains two ferrite half cores which are each housed in a housing half shell. The two housing half shells are arranged with the ferrite cores ...
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WO/1997/010607A1 |
The device comprises an electrically insulating substrate comprising a principal section (3). First and second principal surfaces (1a, 1b) of the principal section (3) support first and second pairs of conductor tracks, respectively. Eac...
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WO/1997/000526A1 |
Proposed is an inductive component with a first electrically conducting layer (11) in the form of a conducting loop, on top of which is provided at least one layer pair comprising an electrically insulating layer (15) and another overlyi...
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WO/1996/042095A1 |
The reference numeral (2) designates a primary coil substrate formed by printing a coil pattern with resist on a commercial double-sided printed-circuit board and etching it, and the reference numeral (4) designates a secondary coil subs...
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WO/1996/042094A1 |
A chip coil used for electronic appliances, which improves mounting efficiency. Processes (6) are formed in only the upper and lower surfaces of a prismatic main body (1), and an insulating resin (4) is filled in the recess (6) of the lo...
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WO/1996/037406A1 |
The present invention is de-icing system that uses electromagnetic actuators (100) mounted within the airfoil of an aircraft to effect de-icing. Advantageously, the actuators have low voltage and current requirements. Each actuator inclu...
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WO/1996/028832A1 |
A high value inductor (10) with a high Q factor is formed using integrated circuit techniques to have a plurality of layers (m1-m3), where each layer has formed on it two or more coils. The coils in the various layers are interconnected ...
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WO/1996/027888A1 |
A power takeoff inductor is an inductor comprised of a hybrid core. Materials with varying low and high permeabilities are combined to create a common hybrid core for the inductor. The inductor can be used in power transmission systems w...
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WO/1996/021935A1 |
The proposed planar transformer (1) for a switched-mode power supply used for producing low voltages comprises two or more plastic carrier plates (2) on which are printed helical primary or secondary coils, the carrier plates form a sand...
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WO/1996/019814A1 |
The invention concerns an electric component which is in particular in the form of a coil and is preferably provided for an SMD assembly technique. In order to facilitate assembly, a mass point (4) is applied to one face of the component...
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WO/1996/017360A1 |
A planar pulse transformer is formed upon a substrate (20) having at leat one opening (22) formed therein and has a magnetically permeable core (10) having at least one portion thereof disposed within the opening of the substrate. Prefer...
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WO/1996/014644A1 |
The invention concerns a filter choke having a coil core (14) which comprises a straight core section and two coils (W1, W2) which are disposed thereon, have identical inductance and are wound in opposite senses. The coils (W1, W2) are d...
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WO/1996/014643A1 |
This invention relates to a line filter, which restricts magnetic influences of a leakage flux from a closed magnetic circuit core on other components and restricts entry of noise to the closed magnetic circuit core. The line filter comp...
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WO/1996/007237A1 |
Thin film epitaxial high temperature superconductors are patterned to form lumped capacitors and inductors on low loss substrates. A ground plane (20), preferably of high temperature superconductive materials or high conductivity materia...
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WO/1996/007187A1 |
A multilayer printed circuit board (100) includes a plurality of layers (101, 102, 104, 106, 108 and 110). Located within intermediate layer (106) is an inductor (200) which is shielded by top layer ground plane (202) and bottom layer gr...
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WO/1996/000972A1 |
A flat transformer in which the central leg (33) of an EE-shaped core or EI-shaped core is provided at the center of the spiral of a laminated coil body which is formed by stacking spiral coils with an insulating resin to magnetically co...
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WO/1995/032511A1 |
The invention relates to a coil former for automatic coil winding, especially RM coil formers, consisting of a cylindrical winding body (103), a lower flange (104) having side projections (111) forming wire guide slots (112) and bearing ...
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WO/1995/020829A1 |
A transmission line device (200) employs a first ground plane (118) that is disposed on a first dielectric substrate (202). A first conductive layer (210) that encloses a first area (213) is disposed on a second dielectric substrate (206...
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WO/1995/005678A1 |
The fabrication of thin film inductors on a substrate, which may include thin film resistors, thin film capacitors, and semiconductor devices. In one embodiment an inductor is fabricated initially on a substrate and then integrated with ...
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WO/1995/002253A1 |
A noise absorbing device which is suitable to prevent the occurrence of radiation noise or induced noise from a cable connected to electronic equipment. A pair of split holder bodies (11 and 12) respectively hold core pieces (20) in thei...
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WO/1994/029934A1 |
Twisted wire pairs (16) are used to interconnect units (12, 14) of a data processing system (10) with connectors (24) that incorporate electromagnetic interference suppression devices in the form of common mode ferrite chokes (36).
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WO/1994/028627A1 |
Lumped element electrical components, such as inductors (24, 42, 52, 64, 74, 84, 92) and capacitors (22, 26, 44, 50, 60, 70, 80, 90), are formed to include high temperature superconducting materials. In the preferred embodiment, thin fil...
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WO/1994/022281A1 |
This invention provides a laminated circuit board capable of setting constants of various circuit devices mounted on the laminated circuit board by selective connection between wiring layers, and a laminated circuit board capable of arbi...
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WO/1994/014174A1 |
A transformer secondary winding comprises a laminated structure which includes first and second outer sheets (11, 13) fabricated from an insulator material, sandwiched between the outer sheets is a thin flexible sheet (12) of a magnetiza...
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WO/1994/010696A1 |
A self leaded holder (10) for surface mounting of a circuit element to a PC board comprising a generally box-like support body having a cavity (12) for mounting a circuit element (56), the support body having a base and a plurality of le...
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WO/1994/010748A1 |
A filter connector (10) has a ferrite barrel (12) with a rectangular bore (14A) or (14B) therethrough. The configuration of the bore (14A) or (14B) closely matches the substantially rectangular cross-sectional configuration of an electri...
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WO/1994/004281A1 |
A process is disclosed for consolidating and coating an air-core coil (3) with a winding made of naked electroconductive cables (5) made of twisted wires of substantially rectangular cross-section wound one or several times. A liquid dur...
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WO/1993/021668A1 |
A bifilar coil construction is used for isolating radio signals picked up by a motor vehicle window heating element from the power supply circuit for the heating element. The coil construction has two separate windings (9, 10) which are ...
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WO/1993/019514A2 |
A switching regulator system supplies a constant output voltage from a large range of input voltages. The input voltage may be lower or higher than the output voltage. This large regulation range is achieved by combining a down converter...
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WO/1992/005568A1 |
An assembly and method of manufacture is described for an inductive device in which the effect of a gap in its enclosure is controlled. This is accomplished by assembling a winding (16) on a core (12), placing a shell (18), sleeve or oth...
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WO/1991/019306A1 |
An improved automated method for the manufacture of small implantable passive transponder devices (20) is presented in which semiconductor wafer die (26) are bonded to a conductively coated tape leadframe (24). This tape, with die attach...
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WO/1991/019302A1 |
An improved automated method for the manufacture of alternatively sized passive transponder devices is presented which utilizes a single leadframe design and manufacturing process, including automated coil winding and wire-to-lead termin...
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WO/1991/019303A1 |
A high frequency coil having a structure in which strip-like coil conductors are formed on the surfaces of an insulating substrate, and a method of manufacturing the coil. An object of the invention is to increase the Q value of the coil...
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WO/1991/017556A1 |
A magnetic core structure (100) for a matrix transformer or a matrix inductor includes at least one magnetic core (102-113) located one-for-one within a cavity (114) in an aluminum block (101). This structure (100) has good mechanical in...
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WO/1991/015861A1 |
A low-profile planar type transformer having a unique bobbin design and a minimum of other pieces. The transformer is assembled by simply stacking all of the pieces, other than core pieces, in a sandwich-like-laminate and placing two app...
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