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WO/1996/015560A1 |
A composite piezoelectric ceramic transformer comprises at least two driven portions, the generating portions whose number is one less than that of the driven portion and the insulation sheets whose number is twice as many as generating ...
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WO/1995/015609A1 |
With modern-design DC/DC converters operated at high frequencies up to 500 kHz, the number of secondary windings required for the same high current has been lowered so that the necessary voltage can now be produced with only one or even ...
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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/1993/026062A1 |
Magnetic circuits for communicating data in a tractor and trailer combination. A connector for interfacing electrical signals between a tractor (20) and trailer (30) which will be connected together such that the tractor pulls the traile...
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WO/1993/023861A1 |
A step switch for a step transformer (1), preferably for a cast-resin encapsulated step transformer, has one-phase identical step switch modules (3.1, 3.2, 3.3) having each all means required for switching the load and its own housing fo...
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WO/1991/017555A1 |
Matching transformer mainly intended for high and medium frequency induction heating applications and characterized by the juxtaposition of transformer elements with a ratio 1/1, grouped in series or in parallel. According to another cha...
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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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WO/1991/015022A1 |
A cable coupling transformer comprises a metal or ferrite former defining separate high permeability portions of a pair of flux paths, a winding electromagnetically associated with each high permeability portion, and a common low permeab...
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WO/1991/014327A1 |
A circuit is disclosed for the separate potential transmission of pulses of any length and frequency for driving transistor circuits. The circuit has an additional demodulator unit (ZUMO) on the lower voltage side (KSS) and a magnetic, h...
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WO/1991/006201A1 |
An integrated compact structure (80) for housing a magnetic transformer and associated electrical and magnetic components to provide high power density, distributed thermal heat sinking and optimal terminal and component placement for hi...
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WO/1991/005355A1 |
A high frequency matrix transformer power converter module (10) includes a dedicated, pre-wired secondary winding (26) wherein the electrical conductor forming the dedicated secondary winding (26) is made from a flat ribbon material (46,...
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WO/1990/013939A1 |
A power conversion system uses flat matrix transformer technology for distributed physical placement and improved heat transfer. A picture frame matrix transformer includes a plurality of interdependent magnetic elements (101a to 101f) a...
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WO/1990/001232A1 |
A transformer (201) includes a push-pull winding wherein each side is divided at its centerpoint and leads are brought out for switching devices (204) or rectifiers (205) so that leads from the source voltage and to the loads are separat...
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WO/1989/010654A1 |
A high frequency matrix transformer comprises a plurality of interdependent magnetic elements (101) arranged and interwired to provide very low leakage inductance and very good coupling from the primary (102) to the secondary (103). The ...
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WO/1988/006343A1 |
The microwave balun transformer providing an extension of operating frequency range particularly in conjunction with a cavity-backed spiral antenna (5). The balun cavity (13) has a dipole (15, 17) extending between an unbalanced coax por...
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WO/1987/007074A1 |
An integrated transformer structure. In one embodiment, the primary transformer winding is formed using dielectrically isolated (DI) technology so as to isolate high voltage applied to the transformer primary from other components in the...
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WO/1987/004297A1 |
A driver stage, especially for a power switch transistor (210) comprises an auxiliary power supply (202), a current regulator (212) for the base current of the switch transistor and an overdrive, preferably with a logic processor (218). ...
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WO/1987/003737A1 |
The high-voltage transformer is connected by means of clips (15, 17) to its high-voltage output wires. The ends of said wires are firmly held in vertical ducts (7, 8) moulded with the potting of the winding of the transformer. Applicatio...
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WO/1986/001333A1 |
A low profile magnetic structure comprising E(210) and I(220) type core shapes is dimensioned with the passage length through the core window being very long compared with a cross sectional dimension of the windows. In a transformer desi...
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WO/1986/000749A1 |
The high frequency transformer proposed in the printed circuit field is provided with inductances and capacities. The inductances consist of a coil arrangement (9, 17; 10, 18) presenting a ferrite core (5) which is closed and made in the...
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WO/1985/005730A1 |
A low voltage switching powersupply designed to be compact and efficient for use with very high speed integrated circuits (VHSIC) has an innovative output transformer. Designed for use at greater than 50KHZ (nominally 100KHZ) the transfo...
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WO/1985/000072A1 |
Inductive element, particularly repeater, having at least one coil (2, 3 resp. 37, 38 resp. 55) arranged on an insulating support (1 resp. 30 resp. 50) in the form of printed conducting tracks (10 to 13 resp. 31 to 36 resp. 51 to 54), as...
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WO/1983/003500A1 |
The device relates to the protection against overvoltages, particularly those due to lightning, of binary information transmission systems using an electric line. It comprises a transmitter and a receiver each provided with a high insula...
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WO/1982/004348A1 |
A saturating core power supply (17) for a television receiver includes a saturable reactor (SR1) having a magnetizable core (21) and a winding (20) located thereon. Exciting current for the saturable reactor is developed from a source (2...
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WO/1982/003476A1 |
A high voltage ultor power (10) for a television receiver includes a self regulating securating core transformer (20) that is capable of operating over a substantial range of temperature without thereby introducing undesirably large chan...
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WO/1981/003408A1 |
A pulse transformer with shock excitation comprises a primary winding (1) and a coaxial multilayer cylindrical secondary winding (2) mounted on a support insulator and connected to a high-voltage bushing oriented along the axis of the tr...
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JP7480116B2 |
A balun (100) providesa. a balanced signal port (110) comprising a first connection (130) and a second connection (140) andb. a single-ended (120) signal port comprising a third connection (150) and a fourth connection (160), the fourth ...
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JP2024061638A |
The present invention provides a coil device and an electronic circuit that can be miniaturized. [Solution] The coil device includes a first conductor, a second conductor disposed inside the first conductor, a first core portion disposed...
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JP7473299B2 |
A coil component includes a core including a winding core portion, a first flange portion, and a second flange portion, and a plate member that is mounted on the first flange portion and the second flange portion. A distance in a height ...
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JP2024040911A |
The present invention provides an isolator with a high coupling coefficient. An isolator according to an embodiment includes an isolator module, a magnetic member, and an insulating member. The isolator module includes a first coil and a...
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JP2024511711A |
The inductor includes first metallization layer multi-turn traces. The inductor also includes a second metallization layer multi-turn trace coupled to the first metallization layer multi-turn trace through at least one first via. The ind...
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JP7450331B2 |
A coil device having high bonding strength and bonding reliability has a core member including a winding core and a flange, wires wound around the winding core and one end being positioned at the flange, and terminal electrodes provided ...
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JP7443711B2 |
To provide a high frequency transformer with a high degree of coupling.A high frequency transformer includes a magnetic material with through holes, a plurality of tubular metal members that are inserted into the through holes, and an el...
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JP2024022799A |
[assignment] An object of the present invention is to provide a printed circuit board coil that can increase current capacity and suppress increase in high frequency AC loss. [Solution] The printed circuit board coil 1 of the present inv...
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JP7425962B2 |
A coil component includes a first core having a leg portion, a second core joined to the first core with the leg portion therebetween, and a magnet disposed between the leg portion and the second core. Movement of the magnet in a first d...
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JP7409110B2 |
Disclosed herein is a coil component that includes a core, first to fourth terminal electrodes provided on a first flange part, fifth to eighth terminal electrodes provided on a second flange part, first and second wires bifilar wound ar...
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JP7410142B2 |
Methods and apparatus for providing data transfer with a drive coil to transmit information, a receive coil magnetically coupled to the drive coil, and a first magnetoresistive sensor proximate the receive coil to detect information from...
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JP2023183405A |
To provide a fully symmetrical and balanced monolithic or multi-die integrated circuit transformer device.A device includes a first transformer 100 and a second transformer 110. Each of the transformers includes symmetrical bottom coils ...
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JP3245064U |
The present invention provides a planar multiphase inductor that is stable during operation, difficult to fall or move, and has improved reliability. A planar multiphase inductor includes a main core 2, a plurality of first coils 4, a pl...
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JP7396465B2 |
A coil component includes a core having a winding core portion; and a coil, wound around the winding core portion, that includes a plurality of wires, in which the coil has a twisted-wire portion formed by twisting a plurality of wires t...
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JP7396110B2 |
A coil component having a structure that can easily realize a desired positional relationship between a cover member and a bobbin portion is to be provided.A coil component 100 includes a bobbin portion 30, a magnetic core 10 inserted th...
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JP7391817B2 |
A magnetic component and a switch power supply device are disclosed. The magnetic component includes a magnetic core and at least three windings, the magnetic core including at least three winding columns, at least one side columns, a fi...
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JP2023550774A |
A surface mountable thin film coupler may include a monolithic base substrate and a plurality of ports formed on the monolithic base substrate. The surface mountable thin film coupler may include at least one thin film component connecte...
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JP7387862B1 |
The present invention provides a digital phase shifter that can alleviate the frequency dependence of the amount of phase shift. [Solution] A digital phase shifter PS1 includes a first phase shift circuit 100 in which the amount of phase...
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JP2023168527A |
To solve a problem in which a difference between an inductance value obtained by a first wire and an inductance value obtained by a second wire becomes large.A first wire 30 has a portion that spirally extends on a peripheral surface 11F...
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JP7367716B2 |
In a coil component, a first wire has a part that extends in a spiral shape along a peripheral surface of a winding core part with a central axis being the axis of rotation. A second wire has a part that extends in a spiral shape outside...
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JP7355362B2 |
Magnetic core for a balun, balun with a magnetic core and method for manufacturing a magnetic core. In particular, a magnetic core is provided comprising multiple core elements, wherein the individual core elements are concentrically arr...
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JP7351099B2 |
An interface circuit, comprising: a signal line having signal, auxiliary and connection nodes defined therealong, the connection node for connection to a transmission line; signal-handling circuitry connected to the signal line at the si...
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JP2023114638A |
To provide a balanced-to-unbalanced transformer with an excellent phase characteristic.A balanced-to-unbalanced transformer A10 comprises: a first inductor L1 and a second inductor L2; a first capacitor C1 and a second capacitor C2; an u...
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JP7318207B2 |
To provide a coupling transformer in which a secondary winding is formed by a plurality of wiring lines and which suppresses an increase of an insertion loss at a high frequency, a power line communication apparatus using the same, a pow...
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