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JPH09223942A |
To provide a sum difference circuit of strip line constitution capable of stabilizing characteristics, reducing a mounting area and reducing a component cost. This circuit is provided with a first transformer T1 provided with coil elemen...
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JP2545137Y2 |
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JPH09213531A |
To obtain a high-voltage transformer which is made small and lightweight by a configuration wherein resonance circuits are connected respectively to a primary coil whose polarity is at least opposite, a switching means for resonance is c...
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JPH09213530A |
To obtain a plane transformer in which an output voltage is set at a desired ratio and which can be made small and thin by a method wherein a primary plane coil and a secondary plane coil are housed in a housing groove on a base body com...
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JPH09199347A |
To provide a thin type sheet transformer in which stable electric performance is obtained with respect to a sheet transformer used for electric equipment. A first coil 12a is formed by winding a conductor in a spiral form, a second coil ...
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JP2633356B2 |
The radio frequency transformer for television signal distributor comprises a ferrite core (1) having a central-through hole (2) and a peripheral-through holes (3). The central-through hole (2) is positioned to be concentric with a circu...
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JP2633357B2 |
The radio frequency transformer for television signal distributor comprises a ferrite core rod (1) having a central-through hole (2) and a peripheral-through holes (3). The central-through hole (2) is positioned to a concentric circle of...
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JPH09186724A |
To make the data transmission line in a LAN small and to reduce the cost. An isolation transformer 12a is connected between a transmission control circuit 8 of an interface 3a and a cable 6 at the side of a hub 7. A drum type core is ado...
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JPH09182432A |
To obtain the compact power supply device by providing and laminating an insulating sheet, wherein magnetic powder is mixed, between a component mounting board and a sheet coil transformer. This switching power supply device has a compon...
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JPH09180941A |
To enable miniaturization and reduction in cost by forming a pulse transformer unified with a common mode choke coil by using a ferrite core of a shape of eyeglasses. A ferrite bead core 10 of a shape of eyeglasses having two parallel th...
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JP2629131B2 |
PURPOSE: To provide the power line communication equipment and the power line communication network by the use of which power line communication is implemented between terminal equipments connected between a different power line pair and...
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JPH09167708A |
To eliminate useless space occupied by a secondary core and to make space efficiency to be proper due to increasing the number of secondary coil windings. An inverter transformer is provided with a primary coil 10 and a secondary coil 20...
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JPH09162036A |
To make thin a composite transformer and to make it possible to use an automatic mounting machine when the transformer is mounted on a board, such as an interface module, by a method wherein a first transformer and a second transformer a...
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JP2622372B2 |
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JP2621397B2 |
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JP2615696B2 |
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JP2613450B2 |
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JP2536724Y2 |
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JP2536725Y2 |
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JP2537048Y2 |
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JPH09139315A |
To thin an element by providing a coil pattern between an input terminal and an output terminal on a substrate, between the input terminal and an earth terminal, between earth terminals and between the output terminal and the earth termi...
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JPH09139318A |
To provide a deflection circuit with which the number of switches for changing the horizontal amplitude can be reduced and high pressure and horizontal linearity can be properly adjusted. Primary windings of a transformer 6 for size adju...
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JPH09134821A |
To provide a transformer which can be adapted for a wide range of bands by shortening the rise time and the fall time of an output waveform. This transformer is provided with a bobbin 9 having a through hole 10, a magnetic core 7 to be i...
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JP2535864Y2 |
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JP2608050B2 |
A video apparatus includes a cathode ray tube (10) and a high voltage transformer (11). The high voltage transformer (11) incorporates a high voltage winding (24) having a tap (27) which provides a focus voltage for the electron gun asse...
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JP2533810Y2 |
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JP2603844B2 |
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JPH09102425A |
To reduce the number of layers of an entire coil, by connecting coil patterns formed in the respective layers to each other in such a way that the coil patterns are folded back in a through connection path and thus forming a plurality of...
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JP2599315B2 |
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JP2595607B2 |
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JP2531559Y2 |
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JP2531575Y2 |
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JP2531031Y2 |
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JP2594305B2 |
A transformer (10) for mounting on a printed wire board includes a bobbin (14) held between two ferrite core slabs (12). The bobbin is wound with a primary winding (28) having a secondary winding (32) wound over it. The wire leads (30) o...
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JP2594331B2 |
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JP2530637Y2 |
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JP2594349B2 |
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JP2591266B2 |
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JPH0974016A |
To provide a low-loss magnetic thin film which is a multilayer film of a high saturation magnetic flux density constituted of magnetic thin films and insulating thin films and which has a small loss at a high-frequency region. A low-loss...
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JP2584427B2 |
PURPOSE: To provide a pulse transformer in which an end part of a coil is not required to be tied to its terminal. CONSTITUTION: A base 11 is provided with multiple wiring notches 14, notches on a ridgeline, and in the wiring notch 14, a...
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JP2584031B2 |
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JP2583858B2 |
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JPH0950918A |
To achieve the miniaturization of a hybrid transformer by connecting a fifth coil magnetically coupled with a first coil and a third coil between a first output terminal and the earth and connecting a sixth coil magnetically coupled with...
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JPH0951134A |
To obtain a relatively low impedance and a relatively high step-up ratio by laminating piezoelectric ceramic plates whereon input electrodes and output electrodes are arranged, and by inputting on the input electrodes of the laminated pa...
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JPH0945825A |
To obtain a mount for supporting a high-frequency transformer over a member on a substrate in a hybrid module and a method of assembling the hybrid module. A transformer 12 is supported by a transformer mount 11 over a member 22 on a sub...
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JP2523644Y2 |
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JPH0917641A |
PURPOSE: To provide a distribution transformer which enables automatic winding, prevents quality dispersion, and can be mass-produced, by winding a wire around a rectangular ferrite base board provided with trenches. CONSTITUTION: In a d...
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JPH0917640A |
PURPOSE: To provide a pot core transformer of high productivity wherein magnetic flux generated by a sheet coil does not leak. CONSTITUTION: In a pot core 1, a ring type trench 11 is formed in a magnetic cylinder, an aperture part 7 is f...
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JPH0917652A |
PURPOSE: To reduce costs and to enhance thinning and characteristics by integrally forming a magnetic substance core part and a terminal supporting part of an insulating magnetic substance, disposing the magnetic substance core part on t...
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JP2522263Y2 |
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