| Document |
Document Title |
|
JP2000277343A |
To provide a small-size coil device at low cost. A substrate 1 has a first corner portion C1 between a first side 11 and a second side 12, a second corner portion C2 between the second side 12 and a third side 13, a third corner portions...
|
|
JP2000277341A |
To provide a transformer capable of ensuring an electrical insulation distance between a terminal for external connection and a core, even when it is made smaller and thinner. A second core member 5 is overlapped on a first and second te...
|
|
JP2000277342A |
To provide a transformer capable of securing a required electrical insulation distance between a core and a core, even when it is made smaller and thinner. A first core member 4 is inserted into a core insertion hole 16. This first core ...
|
|
JP2000277358A |
To provide a transformer having a low crossover magnetic flux component crossing over transmission lines, a high step-up ratio, superior conversion efficiency, and a low resonant frequency. This transformer comprises at least a core 4, h...
|
|
JP2000269041A |
To provide a transformer, having a structure in which a pair of E-type cores can be readily fixed onto a coil bobbin which has an insulating cover attached thereto, without requiring new materials for fixing a core. Engaging holes 1b are...
|
|
JP3091598B2 |
|
|
JP3091713B2 |
To provide a small-sized balun transformer of simple structure which is suitable for surface mounting. A circuit is formed by a drum type core 12, having end part flanges 13 and 14 on both ends, at least a center flange 15 and two or mor...
|
|
JP2000260625A |
To obtain an inexpensive, small, three-mode hybrid coil which can reduce the number of necessary part members and can made its mounting area small. The coil part includes two bobbins 3a around which different turns of coils are wound in ...
|
|
JP2000260621A |
To reduce the height of a coil by forming the coil by a method wherein a spiral conductor pattern of a specified number of turns is formed on an insulating layer and then stacking a plurality of such insulating layers and connecting them...
|
|
JP2000260639A |
To obtain a coil device which can realize space saving, miniaturization and low cost by forming a plurality of substantially independent coils on a single core. The coil device includes a core 6 having a middle leg 6b and having at least...
|
|
JP3084221B2 |
To improve the attenuation of an image signal at all reception bands by selecting a different frequency ratio of a tuning frequency versus attenuation pole of a composite transformer at an input side from that of an output side and formi...
|
|
JP3085263B2 |
|
|
JP2000232018A |
To enable chip type electronic parts to cope with various specifications and, in addition, to improve the reliability of the parts, by only forming the circuit element of the parts on one surface of a substrate and external terminals on ...
|
|
JP2000228313A |
To provide a coil component which is manufacturable at a minimum cost by shortening its manufacturing time, and simplifying its construction. A bobbin made of resin is provided with a winding drum 1b having core inserting holes 1c. A coi...
|
|
JP2000224432A |
To perform miniaturization and to provide the fly-back transformer of the wide variable adjustment range of a voltage. This transformer is provided with a first transformer part 22 for supplying an anode voltage 31 to a cathode-ray tube ...
|
|
JP3072140B2 |
|
|
JP2000208339A |
To draw a plurality of high electric potential outputs from a single-coil bobbin. In a coil 7, a coil bobbin 1 which is wound with a prescribed number of turns is divided into a plurality of sections with a split vane 4, with a primary c...
|
|
JP2000200726A |
To provide a fly-back transformer which has a couple of upper and lower cores adhered and fixed without requiring any temporary fixing jig for temporary fixation. This fly-back transformer eliminates the need for a process for caking an ...
|
|
JP2000200720A |
To improve the characteristic of a surface mounted common mode choke coil and to stabilize quality by concentrically winding an inner coil and an outer coil, which constitute an air-core coil, and making the numbers of windings on them t...
|
|
JP3063632B2 |
A choke coil equipped with a bobbin which is easy to form, which is resistant to mechanical impacts and which is light in weight and inexpensive. A bobbin 2 is formed, for example, by fitting or gluing together a bobbin member 21 formed ...
|
|
JP2605230Y2 |
|
|
JP2605280Y2 |
|
|
JP3059839B2 |
|
|
JP2000508116A |
A transformer for high frequency applications having a multilayer thin film structure and a dielectric material disposed between coils increases the inductive coupling between the coils while at the same time reducing the capacitive coup...
|
|
JP3055216B2 |
|
|
JP3050330B2 |
|
|
JP2000156320A |
To prevent at least one inter-chamber capacitances from being activated, by storing respectively pairs of windings in chambers provided continuously, and by connecting a first winding of each pair with an electrode of a first diode to co...
|
|
JP2000150265A |
To reduce the manufacturing cost by making a surface mount transformer further compact and simple. A wound coil 23 is sealed in a lower case 21 and an upper case 24 in this transformer. Both the lower case 21 and the upper case 24 are co...
|
|
JP2000150247A |
To reduce the number of parts and assembling man-hours by forming a projection permitting insertion of a lead wire inside a lead wire insertion port for receiving a lead wire formed on a case. A projection 8 is formed inside a lead wire ...
|
|
JP3046647B2 |
|
|
JP3044807B2 |
|
|
JP3041073B2 |
|
|
JP3041072B2 |
|
|
JP3041074B2 |
|
|
JP3038033B2 |
|
|
JP3038035B2 |
|
|
JP3024207B2 |
|
|
JP2000082621A |
To provide a plane transformer in which spiral-shaped conductors are interposed between a pair of magnetic thin films, and to provide a plane transformer in which an interval between the magnetic thin films can be made narrow, high effic...
|
|
JP2000068125A |
To provide a thin film magnetic element excellent in mass-productivity which can be easily attached on a wiring board at the time of miniaturization, and can shorten a gap between magnetic layers in the case that a plurality of magnetic ...
|
|
JP3012701B2 |
|
|
JP3007931B2 |
|
|
JP3007098B2 |
In the arrangement of the windings on the compartmented coil former (21) on the core (20) of a switched-mode power supply transformer (5), the secondary winding (17) for the audio output stage (15) is to be mounted in such a manner that ...
|
|
JP3004541B2 |
A series tuned resonant autotransformer which passes baseband video signals so that more than one non-synchronized channel can be sent over unshielded twisted pair wires sharing (40) common cable sheath includes a trifilar winding config...
|
|
JP3003067B2 |
PURPOSE: To reduce conduction loss by a method wherein the title EMC filter is constituted in such a manner that the wires to be paired are adjacently positioned with each other and they are wound on a closed magnetic circuit core so tha...
|
|
JP2000012335A |
To provide a transformer which has enhanced effective permeability and an improved distortion factor without enlarging outer dimensions. In thin magnetic metal plates 11 and 12 constituting a core 1, first magnetic path strips 111 and 12...
|
|
JP2998344B2 |
PURPOSE: To prevent resin leakage and resin bleeding of an epoxy resin by fitting a sealant into the fitting part of an outer case and a focus volume instead of its coating. CONSTITUTION: The side wall of a focus volume fitting groove of...
|
|
JPH11354344A |
To reduce inserting loss, to stabilize the electric characteristic for a long period and to facilitate assembling by using a heat resistant bond magnet, which specifies electric resistance or specifies the change of the irreversible dema...
|
|
JP2991091B2 |
|
|
JPH11345713A |
To provide a thin multilayer printed board to be applied to a transformer, an antenna, etc., and its manufacturing method. Two or more printed coil sheets S each of which has a printed coil P formed by spirally forming a conductor film 3...
|
|
JP2990652B2 |
A laminated balun transformer includes a dielectric sheet for which a lead electrode is provided at its surface, dielectric sheets for which lambd/4 striplines are provided at their surfaces respectively, and dielectric sheets for which ...
|
