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JP3729269B2 |
To provide the driving transistor for a horizontal oscillation transistor which can reduce switching loss in the horizontal oscillation transistor. In the driving transistor for the horizontal oscillation transistor, a primary side coil ...
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JP3728293B2 |
A novel broadside-coupled transmission line element is disclosed. The element includes a first metallization layer that has a first spiral-shaped transmission line and at least one bridge segment formed therein. The element also includes...
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JP3726010B2 |
To obtain a step-up transformer, having a configuration and dimensions such that the height is smaller than the width and depth and that it can be installed inside high-frequency heating equipment which has high voltage wires arranged th...
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JP2005318539A |
To prevent breakdown of a semiconductor device, by removing a noise of a transmission signal in a low-cost and light-weight circuit structure.A first transmission line 3 for transmitting a first signal and a second transmission line 4 fo...
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JP2005310900A |
To provide a thin and small double-tuned circuit coil device.The double-tuned circuit coil device is provided with a circuit board 1 where a primary-side coil L1 and a secondary-side coil L2 are arranged. A recess 1a is disposed in the c...
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JP2005244000A |
To solve the problem of a conventional balun transformer, wherein it is difficult to adjust the attenuation other than the pass band, depending on electronic apparatuses in use and cannot have obtained characteristics required for using ...
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JP3692897B2 |
To provide a transformer having small size, light weight, is of low cost, where magnetic coupling between primary and secondary windings is strong and other components can be placed in the inside. This transformer 50 of this loudspeaker ...
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JP3693399B2 |
To stabilize the coupling between windings by incorporating the magnetic cores constituting a closed magnetic path, from above and below the laminated coil where the lead wire of a spiral coil is led out from the space between the end fa...
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JP2005236044A |
To further reduce an insertion loss especially at a high-frequency region in a branching transformer for high-frequency signals preferably used for a signal transmission outlet of one branch that can be used in the transmission of a sign...
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JP2005236045A |
To further reduce an insertion loss especially at a high-frequency region in a branching transformer for high-frequency signals preferably used for a signal transmission outlet of one branch that can be used in the transmission of a sign...
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JP2005236043A |
To further reduce an insertion loss especially at a high-frequency region in a branching transformer for high-frequency signals preferably used for a signal transmission outlet of one branch that can be used in the transmission of a sign...
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JP2005236046A |
To further reduce an insertion loss over a wide band in a branching transformer for high-frequency signals preferably used for a signal transmission outlet of one branch that can be used in the transmission of a signal to a high-frequenc...
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JP2005236042A |
To further reduce an insertion loss especially at a high-frequency region in a branching transformer for high-frequency signals preferably used for a signal transmission outlet of one branch that can be used in the transmission of a sign...
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JP3689130B2 |
PURPOSE: To provide a driver circuit which can shorten the signal transmission delay time and has a wide signal clock frequency band and has a high stability of operation. CONSTITUTION: A driver circuit 10 which drives a power output par...
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JP3688732B2 |
PURPOSE: To provide a soft magnetic thin film of a flat magnetic element permitting miniaturization and higher performance, by realizing coexistence of both highly saturated magnetization and high resistivity and facilitating the acquisi...
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JP3687271B2 |
To miniaturize a transformer related to a high-voltage transformer of such type as a cylindrical core is inserted into a bobbin, preventing the core from rotating for core positioning, and further, covering the core with a plate-like pro...
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JP2005525021A |
There is provided an inductive coupler for coupling a data signal to a phase line of a power line. The inductive coupler includes a split magnetic core having an aperture formed by an upper magnetic core and a lower magnetic core. The ap...
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JP3681239B2 |
To incorporate a stable high-accuracy capacitor having an electric field shielding property and a high brackdown voltage in a printed-coil transformer by putting third and fourth coil patterns having the same shape between first and seco...
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JP3671520B2 |
To obtain a large inductance value with a small area by connecting the inner end of a coil pattern formed on one conductor layer to the inner end of a reversely wound coil pattern formed on another conductor layer through a through hole....
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JP2005184724A |
To increase inductance while avoiding the expansion of a filter element which is configured by winding a band-like conductor around a band-like insulator while overlapping them with each other.This filter element comprises: a coil sectio...
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JP2005519457A |
The invention relates to a transformer including a drum core ( 1 ) of a magnetic material with an intermediate central core shaft ( 4 ) and a flange portion ( 5 ) at each end of the core shaft. An insulated primary wire ( 2 ) is wound cl...
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JP3663761B2 |
To provide a pulse transformation circuit of high performance and insulation reliability to pulse formation in extremely short wavelength also structurally in small outer diametral dimension and high workability and electrically in small...
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JP2005160058A |
To provide a filter element for a common mode, which has an excellent noise attenuation characteristic.The film element has a coil part 5 configured in a cylindrical form as a whole, by winding beltlike signal conductors 9a and 9b and be...
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JP2005150198A |
To improve common mode noise rejection performance with degree of balance of installation maintained, in a transformer for communication which is used for LAN apparatus or the like.The transformer for communication is equipped with a mag...
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JP3656050B2 |
A monolithic integrated transformer, especially for high frequency application in for example GSM-mobile components wherein a coupling factor is attained by using slotted windings and components introduced therein from another winding. T...
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JP3654816B2 |
To provide a multichannel output type transformer with the uniformed output balance of respective channels. Concerning a flat cable band constituted by parallel arranging coated lead wires for the output channels of a secondary winding w...
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JP2005516523A |
An improved apparatus for high frequency multiplexed electrical line communication for cable TV, telephone, internet, security and other control applications over the mid and low voltage power lines and directly through the transformers ...
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JP2005136037A |
To provide a thin and small laminated transformer, exhibiting high coupling between the primary side and the secondary side.In a laminated transformer where at least a first winding 11 and a second winding 21 are formed using at least on...
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JP2005109864A |
To provide a balun transformer adaptable to signals in two or more frequency bands.The transformer comprises an unbalanced transmission line 10, a balanced transmission line 20, an unbalanced side impedance adjusting means 40 and a balan...
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JP2005510050A |
A dual-core inductive device having one or more core elements and a sleeve adapted to fit over the core element(s). The device is significantly less expensive to produce than prior art transformers having similar characteristics. In one ...
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JP2005509300A |
A method for producing an on-chip signal transforming device. The method includes providing a substrate, and laying a first conductive layer above the substrate, wherein the first conductive layer has a plurality of interleaved inductors...
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JP2005093784A |
To provide a transformer component with a choke coil capable of improving the crosstalk characteristics, while realizing a compact and thinned dimension.A case of the transformer component with the choke coil is formed into a substantial...
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JP3630285B2 |
To provide a high-frequency transformer capable of ensuring matching and balancing characteristic of balun transformers, in a low-cost constitution without using costly coaxial cables. In a high-frequency transformer, in which a balun tr...
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JP2005057016A |
To provide a transformer and the assembling method of the same, improved in reliability by reducing the generation of abnormal sound of the transformer while contriving the improvement of the insulating property of a coil, resistance to ...
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JP2005051021A |
To provide a magnetic coupling element, capable of stably effecting high-speed communication by reducing the affection of external noise.When an external magnetic field (external noise) exists, equivalent noise component is generated in ...
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JP3623858B2 |
To suppress eddy current loss and to improve output voltage by using a band coil as a winding of a high frequency transformer. A plurality of good conductors 10 consisting of copper wire, etc., are bundled in the form of band, and the bu...
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JP3620415B2 |
An isolated converter with a reduced size is disclosed. A small-sized multilayer sheet transformer (1) includes a multilayer circuit board (4) composed of a plurality of sheet substrates, coil patterns (6) of primary and secondary coils ...
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JP2005039446A |
To provide a balloon transformer whose mount area is minimized and which facilitates external connection and has high frequency characteristics improved.Used are two surface-mounted type common-mode choke coils constituted by winding one...
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JP3617660B2 |
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JP3615024B2 |
A coil element includes a composite member (7) located on a first magnetic substrate (3), a second magnetic substrate (10) disposed on the composite member (7) and an adhesive layer (8) located therebetween. The composite member (7) incl...
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JP2005019766A |
To improve a transmission efficiency in a low pass while ensuring an attenuation value under a coupled state in the case of a high pass higher than a specified level and to reduce unnecessary signals and noises.A pulse transformer has a ...
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JP2005005644A |
To provide a wire wound electronic component having improved thermal shock resistance.The wire wound electronic component comprises a core 1 composed of a ferrite material, a coil conductor 2 wound around a specified region of the core 1...
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JP2004356468A |
To provide a metal magnetic thin plate laminated core of low loss and a high Q value in an electronic component using a magnetic core using a metal magnetic material.For the magnetic core, magnetic thin belts 11 composed of a conductive ...
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JP2004319811A |
To provide Mn-Zn ferrite reduced in the deterioration of DC superposition characteristics at a wide temperature range (-40°C-100°C).The principal constituent composition of the Mn-Zn ferrite is constituted of 51.0-52.0 mol.% of Fe2O3, ...
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JP2004319985A |
To provide a core which has a low cost, high performance and high efficiency, and is manufactured from a conductive filler-charged resin-based material by molding.The core is a low-cost moldable transformer or trans-inductor core, wherei...
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JP3586653B2 |
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JP2004304615A |
To provide a high frequency composite part which has a laminated structure with a balun transformer and two matching circuits, and in which the two matching circuit parts can hold the same characteristics.An insulating substrate 7 has fu...
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JP2004531089A |
Each coil of a transformer is partitioned into two or more parallel segments. The multiple segments of each coil are interleaved with each other to form a coplanar interleaved transformer that has a greater coupling efficiency than a non...
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JP2004281513A |
To provide a flyback transformer in which the entire shape can be miniaturized and has a structure easy to radiate heat by eliminating the necessity of separate components to reduce the engaging portions.In the flyback transformer 1, a h...
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JP3570358B2 |
To provide a laminated multicoil type thin molded transformer which is used for switching power units used for various kinds of electronic equipment, can be manufactured with high productivity, and has highly quality, and to provide a me...
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