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JPH11340045A |
To prevent an increase in the height of a transformer as well as in its winding radius by connecting a first core and a second core with a magnetic path formed by a partial coupling and a magnetic path formed by a gap. This transformer i...
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JPH11329865A |
To eliminate the generation of unevenness in the height of a transformer after assembling with good assemblage by disposing a creep distance for constituting material molded integrally with a spool at the spool, and winding a coil on the...
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JPH11329848A |
To cut the cost by providing a coil part with an insulation board which is interposed between a single-sided printed wiring board and/or a double- sided printed wiring board and/or a specific layer printed wiring board. A transformer coi...
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JP2601375Y2 |
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JP2974967B2 |
To simplify a snubber circuit by lowering a spike voltage generated in a primary auxiliary winding or the voltage itself within a converter trans former comprising a flyback converter. This converter transformer is provided with bobbins ...
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JP2976508B2 |
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JP2975197B2 |
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JP2971943B2 |
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JP2971618B2 |
PURPOSE:To miniaturize the title high voltage pulse generator. CONSTITUTION:A cylindrical iron core 3 is formed of an amorphous metallic material. At this time, a secondary high voltage winding 2 is wound up around this iron core 3 at re...
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JPH11307366A |
To provide a thin transformer coil with high magnetic coupling, good conversion efficiency, and small defective effects from proximity effects between coil patterns in a high-frequency region. Printed coils 2 and 3 are formed on both sid...
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JPH11307367A |
To provide a thin transformer with high magnetic coupling, good conversion efficiency, and small defective effects from proximity effect between coil patterns in a high-frequency region. Printed coils 2 and 3 are formed on both faces of ...
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JP2971220B2 |
PURPOSE:To realize a coil element for a transformer having a small size and a small leakage magnetic flux by alternately providing coil patterns for constituting primary and secondary sides on layers of a multilayer printed board, and co...
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JPH11302069A |
To obtain an Mn-Zn-based ferrite having high μi on the lower temp. side (≥20°C), maintaining stable magnetic characteristics against a change of the environmental temp. (-10 to +70°C) and suitable for a transformer for communication...
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JPH11288816A |
To eliminate the adjustment work for compensating the dispersion of transmission characteristics and to provide a desired large power output, while suppressing temperature rise without changing the size of a core. This power combiner is ...
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JPH11288832A |
To provide through a simple device and operation the laminated inductor component of a high quality coefficient and a method for manufacturing the component. A green sheet of thickness 0.5 mm is manufactured by using a glass ceramics raw...
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JPH11273926A |
To obtain a high magnetic characteristic, by mixing a soft-magnetic alloy powder with a binder, compacting it, hardening the binder, crushing the obtd. compact, and re-molding the obtd. alloy powder covered with the binder. The dust core...
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JP2958972B2 |
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JP2958804B2 |
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JPH11265826A |
To eliminate the need for dipping the whole magnetic component in a refrigerant and to make it possible to increase the stray capacitance of the magnetic component, by a method wherein magnetic cores and cooling fins are alternately lami...
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JPH11266417A |
To improve the workability of focusing by leading out a focus voltage from a high voltage coil through two diodes connected in series and inputting a variable pulse voltage to the connection point of two diodes. On the secondary side of ...
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JP2953140B2 |
PURPOSE: To provide a transformer which can be sintered at a low temperature, can prevent the oxidization, etc., of conductor patterns of silver, copper, etc., and can be miniaturized. CONSTITUTION: The ceramic sheets of this transformer...
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JPH11260654A |
To provide a high-voltage transformer, capable of generating a high voltage output with no fear of contact between upper and lower layers in an inside of a winding separated by separation. A coil bobbin 1 has each brimmed part 3 provided...
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JPH11251147A |
To provide an inductor which can be manufactured to be thinner for less mounting volume, leading to a smaller switching power source, while a constant is changed easily after design through a short-circuit or a conductive pattern and pat...
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JP2949127B2 |
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JP2949244B2 |
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JPH11243016A |
To provide a thin transformer. A board 1 is provided with a linear hole group 3 constituted of three parallel adjacent linear holes 2, and a printed coil pair 6 constituted of two discontinuous printed coils 5 in which conductive pattern...
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JP2599301Y2 |
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JP2941484B2 |
Disclosed is a planar transformer comprising a planar primary spiral coil (1) and a planar secondary spiral coil (2), which are mutually insulated and laminated, wherein, (1) when the winding width W1 of the primary spiral coil and the w...
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JP2938082B2 |
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JP2935809B2 |
PURPOSE: To apply a d.c. bias to a pair of coils by forming a pair of coils so that they generate magnetic flux in the reverse direction to each other and aligning the axial line of magnetic cores and further providing a permanent magnet...
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JPH11219825A |
To provide a surface mounting type balun transformer the mounting area of which is small. This is a surface mounting type balun transformer, in which dielectric sheets carrying single spiral inductors L1-L4 are laminated. Then, a capacit...
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JPH11219824A |
To provide a thin surface mounting type balun transformer with a small area. Primary dielectric sheets 5a and 5b carrying single spiral inductors L1 and L2 constituting primary balun lines are laminated at the upper and lower parts of a ...
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JPH11214943A |
To provide a balloon transformer which has a balanced signal- unbalanced signal conversion function and also has a signal multiplexing or demultiplexing function. This balloon transformer 20 is provided with two unbalanced transmission l...
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JPH11195534A |
To provide a core for an inductive element which reduces a core loss in a high frequency band and reduces thickness of its form, to provide a transformer which reduces core loss and avoids the deterioration of power transmitting efficien...
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JPH11186046A |
To provide a transformer which can be manufactured with few number of steps. This transformer includes a multilayered printed circuit board 2, having transformer winding 1 in the form of circuit patterns and also includes a ferromagnetic...
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JPH11186047A |
To provide a transformer, which is capable of having good heat radiating ability and also suppress the increase in the number of layers in a printed circuit board to increase the number of turns of a coil. This transformer is equipped an...
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JP2909392B2 |
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JP2897091B2 |
A laminate type line transformer. On one side of an insulating substrate, a primary coil section which is a laminate of a first coil pattern layer and a second coil pattern layer with an insulating layer in-between is provided. On the ot...
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JPH11144961A |
To provide a surface-mounted equilibrium-nonequilibrium converting device for mutual conversion between an equilibrium transmission path and a nonequilibrium transmission path which is extremely downsized. A first dielectric layer 31 is ...
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JPH11135330A |
To reduce the occupation area of an electronic device on a printed board. A spectacle type core 11 comprising a plurality of through-holes and a plurality of terminals is provided, and a base 14 where the spectacle type core 11 is fixed ...
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JPH11121241A |
To provide a transformer for a communication network control device, which has bittle transmission warpages, small loss and large insulating force. A torodial transformer has a structure, wherein an annular core 3 for constituting a clos...
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JPH11102820A |
To reduce the thickness of a surface packaged transformed by a method, wherein a compound body comprising spirally formed conductors is integrally formed on a core substrate using a sheet-like core, so that a compound body is back togeth...
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JP2593455Y2 |
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JPH1197274A |
To provide a bifilar coil, for which the winding and terminating treatment (twining around a terminal) of a bifilar winding can be automated, without deteriorating the degree of coupling between electric wires. A bifilar coil is constitu...
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JP2592906Y2 |
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JP2592905Y2 |
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JPH1174126A |
To provide a small magnetic device adhesive layer which is fixed to an insulating layer for securing a ferromagnetic core to a board. An adhesive layer used for a magnetic power device includes metal material layers 480 and 485 for joini...
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JP2869082B2 |
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JPH1168498A |
To provide an impedance transformation circuit with reduced heat generation by connecting to supply a larger amount of current to a braided wire of a coaxial cable of its winding. In an impedance transformation circuit, transformers T10,...
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JP2866794B2 |
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