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Patent Searching and Data


Matches 701 - 750 out of 4,450

Document Document Title
JP2008141203
To provide a sheet-like or thin-plate-like transformer device that can ensure high power transmission efficiency, has an extremely small amount of magnetic spurious radiation, prevents overheat even after a long use, and can be manufactu...  
JP2008140804
To provide a high voltage transformer which can produce a good high voltage detection waveform.The high voltage transformer comprises a bobbin, a primary winding wound around the drum section of the bobbin, a secondary winding wound arou...  
JP2008135430
To solve the problem wherein a high-frequency module cannot be miniaturized when mounting an inductor having a large inductance value.On one surface of a substrate 2, a high-frequency circuit including a chip inductor 3a is composed, and...  
JP2008131708
To provide an AC adaptor improved in portability by reducing its volume (occupying area).A primary coil 3 and a secondary coil 4 are wound around the core 2, which is hollow and made of a bar-shaped magnetic body, to form a transformer 1...  
JP2008130986
To prevent lightening current from spreading into loading apparatuses even when a lightening resistant transformer is broken by lightening surge exceeding the insulating strength of the lightening resistant transformer, in an electric fa...  
JP2008130657
To provide the housing cooling structure of an inverter transformer which reduces the size and weight of the inverter transformer and cools a transformer from the inside and outside thereof in the inverter transformer to keep the tempera...  
JP2008130974
To provide a coil component having a structure to prevent residual flux from being attached to a junction of magnetic cores during insertion of magnetic cores into a bobbin even when a flux melts up along the bobbin in soldering of a coi...  
JP2008124433
To prevent generation of corona discharge between a core corner and insulation coat of winding wire and that at a delta gap between a core and winding wire by easing electric field concentration at the core corner.Corona guard rings 7 an...  
JP2008118775
To provide a three-phase balancer which dispenses with electronic components such as semiconductors or the like to enhance the reliability of a device and can suppress the device cost, and a three-phase balancing method.The three-phase b...  
JP2008117991
To provide a high voltage transformer in which a high voltage resistor is embedded in resin, where the stress distortion in resin embedment is reduced when holding the high voltage resistor, to suppress occurrence of cracking due to repe...  
JP2008112881
To provide a coil which can increase the number of windings in the same spool and meanwhile can reduce the size of spool for the same number of windings.The coil has a first coil part 3 winding one end side 2A of a lead wire 2 in one dir...  
JP2008112753
To provide a lateral low-profile coil part and a soldering method of its winding terminal with which soldering workability of a winding terminal such as a large-diameter litz wire can be improved and alloying (adhesion of wetted solder o...  
JP2008112775
To provide a cooling device of a transformer core that can cool a core with a simple structure as much as possible and can be manufactured, used, and managed easily.A transformer core cooling cover is an insulating heat-conductive case h...  
JP2008113532
To provide a two transformer DC/DC converter in which the size and weight can be reduced, while reducing the manufacturing cost.When a pair of transformers is constituted, by compounding a transformer T1 to which coils N1, N2 and N3 are ...  
JP2008109029
To obtain oil-filled equipment that can enhance the degree of ultimate vacuum during a vacuuming operation and has an insulating structure through which generation of remaining air bubbles can be controlled during vacuum oil filling.The ...  
JP2008103580
To provide a cleaning means for a pair of electrodes wherein, with respect to such a discharging apparatus as an emission spectrometer, the necessity of providing such an expensive component as a relay in its current path is eliminated a...  
JP2008103371
To provide a transformer having insulating performance conforming to safety standards of every country, and enabling to easily widely adjust the number of winding rates.This transformer includes a first coil block formed by winding a str...  
JP2008103485
To improve a work environment by easily mounting and demounting an air blower to and from the lower section of a radiator body, and to enable the shortening of a term of the work of assembling in a factory and at a site, the reduction of...  
JP2008103578
To solve the problem that although a vibration-proof rubber is provided on the top portion of a transformer in a conventional earthquake-proof steadying structure to fasten the side of a board with the body of the transformer, the vibrat...  
JP2008098350
To couple and hold cores by winding an adhesive tape, to achieve miniaturization, to prevent dispersion and deterioration of inductance and to improve reliability in a transformer structure where an I-type core and an U-type core are int...  
JP2008091359
To provide a winding type common mode choke coil not having directionality in which common mode impedance is raised and a predetermined characteristic impedance can be attained easily.In the winding type common mode choke coil formed by ...  
JP2008091913
To provide a filament transformer which is suitable for a diode X-ray tube.The transformer comprises an iron core, a primary winding wire, a secondary winding wire which are wound around the iron core, and a shield which shields the prim...  
JP2008091355
To make a planar transformer compact by inserting the spacer portion of a heat plate between a primary coil substrate and a secondary coil substrate, thereby effectively dissipating heat of primary and secondary coils.The planar transfor...  
JP2008085004
To attain miniaturization and reduce external magnetic flux leakage by setting a coupling coefficient between winding coils at a suitable value.This loosely-coupled transformer comprises an E-shaped ferrite core 10 having a central leg 1...  
JP2008085239
To reduce the production cost of a mold coil by covering a coil projecting from a transformer core with resin.A method of manufacturing a mold transformer comprises: a step of placing a coil 3 projecting on either side from a core 2 betw...  
JP2008078195
To provide a quantitatively stable coil component where a change in an inductance value is small even at a minute current region.The coil component 1 comprises: a drum core 2 that has a columnar winding core section 23 and a pair of coll...  
JP2008078229
To provide a laminated inductor that is capable of sufficiently attaining enhancement in DC superimposing characteristics while an initial inductance value is high.The laminated inductor L1 has a laminate 1 constituted of a plurality of ...  
JP2008078234
To provide a laminated inductor that has a high initial inductance value and can improve DC superposition characteristics fully, and to provide a manufacturing method of the laminated inductor.The laminated inductor L1 comprises: a lamin...  
JP2008078194
To provide a compact, low-resistance coil component where the coil component is stable quantitatively since a change in an inductance value is small.The coil component 1 comprises: a drum core 2 that has a columnar winding core section 2...  
JP2008072114
To provide a method for efficiently adjusting the mutual inductance between adjacent coils, and for uniformly stabilizing currents running through the coils.This method includes the steps of: (A) adjacently winding mutual primary coils a...  
JP2008066531
To provide a soft magnetic powder for dust core which both prevents of troubles such as damage during molding or seizure to a die owing to frictional resistance between powders or between power and the die, and prevents lowering of moldi...  
JP2008066539
To provide a bobbin for a transformer on which wire can be regularly lap-wound in a line around the outside of its winding core in the direction of its diameter and by which harmful effects on electrical characteristics on the wire can b...  
JP2008060192
To provide an electric apparatus capable of surely soldering while reducing an amount of used solder and soldering time; and using a bobbin in common, to provide a transformer, to provide a ballast, and to provide lighting equipment.The ...  
JP2008061361
To solve the problems wherein, in a conventional type balancer transformer, voltage adjustment of each phase is insufficient, while including a step-down transformer function, the equipment is large and heavy and hard to handle in instal...  
JP2008060305
To solve the problem that magnetostrictive vibration of a core in an inverter transformer increases and the magnetostrictive vibration vibrates a bobbin, thus generating loud noise.The inverter transformer has a core 6 consisting of a pl...  
JP2008060425
To provide a linear differential transformer which is easy to mount to each kind of device, and with which each kind of device can be miniaturized.The linear differential transformer 100 transforms a mechanical linear displacement to an ...  
JP2008053735
To provide a high-voltage transformer having a small product size and capable of completely avoiding traditional problem fields such as spark formation in hot end of a high-voltage wiring or a surface discharge.The transformer includes a...  
JP2008048527
To provide a switching power circuit and a transformer capable of supplying a sufficient current to a load in both ON/OFF periods of a switching element and of inhibiting a peak current and a spike voltage.This switching power circuit in...  
JP2008047348
To provide a transformer for an ion generating device capable of securing a large coupling factor with a winding capacity suppressed, and suited for a compact, thin ion generating device, and to provide an ion generating device using the...  
JP2008047595
To provide a transformer that is small in size and the degree of magnetic coupling is made high.The transformer is comprised of a bobbin 1, a core, primary windings A1, A2 and A3, and secondary windings B1 and B2. A plurality of winding ...  
JP2008041882
To provide a reactor which can improve heat radiation property.A reactor 1A includes a core 2, a winding 3 wound around a leg 21 of the core, and a heat transfer member 4 prepared between the leg 21 and the winding 3. It is preferable th...  
JP2008034617
To provide a closed-magnetic-circuit coil and a manufacturing method thereof which has a low height and a low price, and can deal with a large current.In the closed-magnetic-circuit coil, a composite magnetic material and a previously wo...  
JP2008034599
To provide a transformer which has a good heat dissipating state at a large current flow and has a good insulated state.The transformer comprises a square-shaped magnetic core, a primary winding 9 wound around a first bobbin 10 covering ...  
JP2008028222
To provide a mold transformer that can prevent the electrification and discharge of charge on the surface of a mold regardless of the fluctuation of an electric field related to a high DC voltage, can prevent a resin material for forming...  
JP2008028301
To improve versatility and expansibility by improving winding efficiency, simplifying manufacturing processes (working processes), reducing manufacturing cost, improving manufacture accuracy, improving magnetic efficiency as a magnetic c...  
JP2008028142
To provide a transformer for magnetron drive which exhibits a high heat resistance and is small-sized as a whole by improving the heat resistance of heater windings and enabling to reduce their size.Since the heater windings 5 are formed...  
JP2008021758
To provide a bushing cover which prevents a bushing from external force such as shock or the like applied thereon in order to protect the bushing surely.The bushing cover 1 is provided with a bottomed cylindrical cover main body 2 having...  
JP2008021878
To provide a composite magnetic element which aims at making small an arrangement area to a mounting board, and aims at manufacturing stability, easy workability, and cost reduction.The composite magnetic element has flanges in the both ...  
JP2008010336
To provide a street installation type transformer device arranged so that both a projecting force transmission mechanism and an operation mechanism of a three-phase switch are stably operated by the projecting force of a striker.A first ...  
JP2008004780
To provide a compact and highly reliable transformer.A high-voltage transformer 100 includes: a core 5 having a pair of external magnetic legs 5a arranged to be mutually in parallel, and an internal magnetic leg 5b held between the pair ...  

Matches 701 - 750 out of 4,450