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JP2548875 |
PURPOSE: To obtain a transformer of low cost wherein common mode noises penetrating into a primary winding are prevented from being transmitted to a secondary winding by a method wherein the winding starting end and the winding terminati...
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JP08191014 |
PURPOSE: To suppress the temp. rise by reducing the leakage flux and accelerating the heat radiation of an element utilizing the skin effect of a winding conductor. CONSTITUTION: On a base board 1 one or more conductor windings of a plur...
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JP08191016 |
PURPOSE: To cancel the noise by forming a first, second and third strips lines; the second and third lines have respectively equal lengths to a first and second parts of the first line but different lengths from each other. CONSTITUTION:...
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JP08191015 |
PURPOSE: To improve the low frequency characteristics by forming a magnetic member(s) made of a ferrite or amorphous magnetic passage on the entire surface or part of one or more windings of a plurality of turns formed adjacent ly on a b...
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JP08186475 |
PURPOSE: To reduce the voltage-time product of a pulse transformer to miniaturize the pulse transformer by compressing the pulse in the preceding stage of the pulse transformer. CONSTITUTION: When a switch SW is made after first and seco...
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JP08186476 |
PURPOSE: To realize the purse power source which shortens the pulse to be supplied to a load. CONSTITUTION: First ana second capacitors C01 and C02 charged in parallel are connected in series by making a switch GW, and the pulse is compr...
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JP08186029 |
PURPOSE: To obtain an impedance transformation transformer, which is superior in high-frequency characteristics, is good in productivity and moreover, is easily surface mounted automatically. CONSTITUTION: An impedance transformation tra...
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JP08181018 |
PURPOSE: To provide a coil device which has an improved energy efficiency of circuit operation and suppresses the noise source of electronic parts arranged at the periphery. CONSTITUTION: Coil patterns 8a and 8c are formed on the surface...
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JP08172016 |
PURPOSE: To improve the degree of freedom for mounting of a thin film transformer by suppressing the increase of its width caused by an applied adhesive and, at the same time, to eliminate the possibility of the flowing out of the adhesi...
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JP08172017 |
PURPOSE: To obtain a thin film which is made to be compact by reducing the height by interposing a thin insulating film between the upper surface of a flat coil and the internal surface of the upper half body of a ferrite core. CONSTITUT...
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JP08172018 |
PURPOSE: To reduce the size of a pulse power source as a whole by reducing the size of a pulse transformer. CONSTITUTION: The pulse transformer of a pulse power source which is provided with the pulse transformer supplied with a single-d...
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JP08162328 |
PURPOSE: To obtain a layer-built coil product having a pair of coils having equal impedances and difficult to generate a leakage flux. CONSTITUTION: A layer-built transformer 1 is composed of an insulator sheet 2 having coil conductors 4...
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JP08162327 |
PURPOSE: To minimize the conductor loss and improve the magnetic coupling, without causing the peel-off of insulation layers. CONSTITUTION: A layer-built transformer is composed of a primary and secondary coils disposed n a multilayer bo...
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JP08148354 |
PURPOSE: To reduce damping or waveform distortion in normal-node transmission signal effectively, by positioning a primary coil and a secondary coil in a pint symmetric with supect to a geometric central point of a magnetically insulatin...
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JP08139559 |
PURPOSE: To prevent the chip size of a piezoelectric substrate from increasing when an inductance of large size is inserted by arranging a field magnetic member on or nearby the reverse surface side of a coil pattern on the piezoelectric...
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JP08124733 |
PURPOSE: To integrally bake a magnetic material and conductor by obtaining the magnetic material which has an excellent core loss temperature characteristic and is less in loss in an MHz band by baking powder obtained by heating a soluti...
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JP08124750 |
PURPOSE: To reduce the size and cost of a high-voltage power unit using a flyback transformer. CONSTITUTION: A high-voltage power unit is provided with a flyback transformer 6, DC power source 7 which supplies an electric current to the ...
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JP08116667 |
PURPOSE: To enhance the conversion efficiency without requiring any choke coil in the secondary rectification circuit by a constitution wherein the secondary winding of a voltage transformer comprises forward and reverse windings. CONSTI...
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JP08115821 |
PURPOSE: To provide a removal method in which an anode lead can be removed from a case even when the anode lead is of an unremovable type by a method wherein a removal jig is inserted into a part between an anode and an anode- lead holdi...
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JP08116218 |
PURPOSE: To improve the mass-productivity by forming a transformer part with a laminated matter so as to eliminate the need for manual windings of the transformer. CONSTITUTION: The mixer is made up of a laminated matter in which plural ...
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JP08107023 |
PURPOSE: To reduce the number of parts and a cost by integrally forming a first magnetic core provided corresponding to a first coil part and a second magnetic core provided corresponding to a second coil part by one set of magnetic core...
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JP08107020 |
PURPOSE: To enable mass production and miniaturization by arranging two transformers up and down in a lamination direction and by making a thickness of a dielectric between the two transformers and a thickness of a dielectric between con...
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JP08097043 |
PURPOSE: To provide a laminated transformer which is markedly enhanced in magnetic coupling coefficient by a method wherein a large number of magnetic fluxes induced in a primary coil and a second coil are made to intersect with each oth...
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JP08097037 |
PURPOSE: To provide a laminated electronic part which is capable of being lessened in length of a magnetic flux and enhanced in inductance by a method wherein the conductor of a coil is improved in arrangement. CONSTITUTION: A primary co...
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JP08097025 |
PURPOSE: To obtain chip transformer magnetic material, having a small core loss, on which core loss becomes the minimum in the vicinity of 100°C at an MHz band. CONSTITUTION: A magnetic material is an Mn-Zn ferrite consisting of the mai...
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JP08097045 |
PURPOSE: To realize a pulse transformer which meets frequency characteristics in impedance prescribed by 'INS NET 64' by a method wherein a wound magnetic core which is set higher than a specific value in effective AC relative initial ma...
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JP08088126 |
PURPOSE: To enable a laminated transformer to be compact and high inductance capable of obtaining high magnetic coupling between the primary coil and the secondary coil since sufficient insulation can be secured between the primary and s...
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JP08088125 |
PURPOSE: To provide a laminated electronic part capable of increasing the coupling coefficient of magnetism. CONSTITUTION: The primary coil 12 is arranged inward inside of a magnetic body layer 11 while the secondary coil 13 is oppositel...
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JP08083717 |
PURPOSE: To provide a transformer element capable of being integrated, easily lessened in size, and easily manufactured. CONSTITUTION: A transformer element 1 is composed of a primary conductor 12, a secondary conductor 14 formed adjacen...
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JP08078253 |
PURPOSE: To obtain an air core film-type transformer which is less affected by an edge effect by a method wherein the film-type transformer is equipped with a primary winding pattern and a secondary winding pattern provided adjacent to e...
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JP08078245 |
PURPOSE: To enable a surface-mounting coil to be easily lessened in cost, size, and weight by a method wherein recesses are provided to a magnetic core, and flat plate-like terminals are fixed to the recesses. CONSTITUTION: Winding secti...
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JP08055724 |
PURPOSE: To increase the strength of a flexible base material for forming coils by providing conductive terminals for leading out electrodes from the terminal sections of the coils and connecting the terminals to the terminal sections of...
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JP08055723 |
PURPOSE: To provide laminated electronic parts, such as the laminated transformer, etc., which has a low profile and is improved in mountability. CONSTITUTION: Since a core putting groove 1d having the same shape and thickness as the pla...
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JP08051027 |
PURPOSE: To obtain a thin multilayer coil, and a transformer employing it, exhibiting good characteristics in high frequency region in which a plurality of coil conductors formed on a sheet can be connected easily with high reliability w...
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JP08051025 |
PURPOSE: To obtain planar inductance and transformer to which a terminal can be fixed easily by enhancing the strength of a flexible insulating board on which a coil is formed. CONSTITUTION: A spiral conductor pattern is formed on one si...
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JP08045739 |
PURPOSE: To provide an inductor element, which can modify simply its inductance and can be easily manufactured. CONSTITUTION: An inductor element 100 is constituted of an inductor conductor 12 and a control use conductor 14, which are fo...
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JP08045741 |
PURPOSE: To provide a laminated high-frequency transformer, which can be decreased in height and has little change in its characteristics due to vibrations from the outside. CONSTITUTION: A laminated high-frequency transformer 1 is provi...
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JP08037108 |
PURPOSE: To lower the height and improve the power transfer efficiency of a transformer. CONSTITUTION: This apparatus is composed of stacked plural insulating sheets 5. Each of the insulating sheets 5 has a coil pattern 7 constituting an...
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JP08022926 |
PURPOSE: To realize a DC applying transformer, which is good in lowpass characteristics and is stable in characteristics. CONSTITUTION: Opening end parts 10a and 10b formed in a bobbin 10 are filled alternately with E cores 12 in the ord...
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JP08017633 |
PURPOSE: To provide a plane type inductor and a plane type transformer easy of manufacture at a low cost wherein the inner terminal part or the outer terminal part of a primary coil or a secondary coil can be led out to the outside of a ...
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JP08017636 |
PURPOSE: To prevent distortion of a pattern and breakdown of an element which can not be sufficiently eliminated only by using a capacitor and a varistor, in a modem used in a data transmission circuit. CONSTITUTION: In a modem wherein a...
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JP08017659 |
PURPOSE: To provide the title thin type transformer having excellent assembling capacity capable of miniaturizing and settling the problem of clearance when a core and a terminal base are separated as well as avoiding the coil disconnect...
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JP08017660 |
PURPOSE: To miniaturize the title thin type transformer while cutting down the cost thereof by a method wherein the frame thickness of a terminal base is reduced by the stepped part of a lower side core half body furthermore, a flat coil...
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JP08017662 |
PURPOSE: To provide the title choke coil in the outer diameter of winding parts smaller than that of gear type choke coil as well as in smaller sharing area in a substrate packaging step. CONSTITUTION: Within the title choke coil and noi...
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JP08008116 |
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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JP07335444 |
PURPOSE: To suppress the overshoot and rush current of output wave form by connecting the coil of the leakage inductance component to the primary or (and) secondary coil within the high voltage transformer outputting the rectangular wave...
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JP07335443 |
PURPOSE: To provide a coil device and IC memory using the same capable of eliminating the formation of any through holes thereby simplifying the manufacturing steps and miniaturizing it at low cost or capable of increasing the turns if t...
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JP07326519 |
PURPOSE: To miniaturize a transformer without waste in a bobbin area, by, while providing the primary and secondary windings as separate air-core coils, providing such coil shape as the air-core coil whose number of turns is small is hou...
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JP07307225 |
PURPOSE: To improve inductance, realize the excellent high frequency characteristics and, further, suppress the noise. CONSTITUTION: A primary side coil unit 1 has a primary thin film core 4, a primary electrical insulating film 5 which ...
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JP07297037 |
PURPOSE: To lessen extremely an irregularity in the line characteristic impedance of a balun transformer by a method wherein a plurality of pieces of winding guides are arranged at least on the outward side of a balun transformer core in...
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