Abstract: A resonator comprises two dielectric substrates. A ground electrode and a U-shaped pattern electrode are formed respectively on the two surfaces of the first dielectric substrate. A take-out electrode is drawn out at a certain distance from one end of the pattern electrode, and is connected to the take-out terminal electrode. A guard electrode is formed opposite to the other end of the pattern electrode. A shield electrode is formed on a second dielectric substrate. The pattern electrode, the ground electrode and the shield electrode are connected by a terminal electrode. In addition, the guard electrode, the ground electrode and the shield electrode are connected by a terminal electrode. A chip-type filter can be obtained by forming a plurality of pattern electrodes on an dielectric substrate, and coupling them electromagnetically.

Abstract: A strip line filter has at least two strip lines and a common ground electrode, and on an end, has a solder ground terminal electrode and at least two link ground terminal electrodes at a distance from the solder ground terminal electrode. The solder ground terminal electrode is electrically connected with the common ground electrode, and the link ground terminal electrodes electrically connect each of the strip lines with the common ground electrode. Another strip line filter has at least two strip lines and a common ground electrode, and on an end, has a ground terminal electrode which has a solder portion and at least two arm portions extending from the solder portion. The ground terminal electrode is electrically connected with the common ground electrode via the solder portion and with the strip lines via the arm portions.

Abstract: One example of a high-frequency filter includes a dielectric substrate having a high dielectric constant. On one whole main face of the dielectric substrate, an earth electrode is formed. On the other main face of the dielectric substrate, two pattern electrodes are formed. The pattern electrodes have first parts formed in parallel at an interval, and second parts extended in crossing (non-parallel) directions. Also, on one main face of the dielectric substrate, input-output electrodes are respectively formed near the end parts of the pattern electrodes, and capacitors are respectively formed between the open end parts and the input-output electrodes.

Abstract: An earth electrode and a spiral pattern electrode are formed on both surfaces of a dielectric plate. One end of the pattern electrode is connected to the earth electrode. The width of the pattern electrode is made narrow in proportion to going from one end toward the other end. An area ratio S2/S1 is 0.15 or more when defining an area of the pattern electrode as S1, and an area of center portion where the pattern electrode is not formed as S2. A take-out electrode is drawn out from the pattern electrode with a distance from the one end of the pattern electrode. A chip type filter is manufactured by forming plural pattern electrodes on the dielectric plate, and coupling the pattern electrodes electromagnetically.

Abstract: A noise filter includes a plurality of resistance patterns arranged in parallel, and a ground pattern opposed to the resistance patterns via a dielectric substrate. Distribution capacitance is caused between the resistance patterns and the ground pattern. The function of the noise filter comes from the distribution capacitance and the resistance of the resistance patterns as the RC composite elements. The noise filters can be connected in plural. Noise can be eliminated without twisting the effective signal components in a compact noise filter.

Abstract: Disclosed herein is a flexible wiring cable being provided on its forward end with a connecting portion to be connected with a connector, which comprises a base film, a wiring conductor provided on the base film, a dielectric member electrically connected with the wiring conductor in the connecting portion of the base film, and a ground electrode electrically connected with the dielectric member for forming a capacitor with the wiring conductor.

Abstract: 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 other side of the insulating substrate, a secondary 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. Both in the primary coil section and in the secondary coil section, conductors of the first coil pattern layer and conductors of the second coil pattern layer are electrically connected alternately via a hole made in the insulating layer.

Abstract: A signal input device having a mutual inductor formed by a coil connected with a capacitor for a grounding cable in series and a coil connected with a capacitor for a signal cable in series, and a compensating capacitor connected with the series circuit composed of the capacitor and the coil on the grounding cable in parallel. The compensating capacitor serves to prevent occurrence of a voltage on the grounding cable, and accordingly only regular signals received by an antenna are transmitted. The mutual inductor prevents resonance of inductance of a lead terminal of the compensating capacitor with capacitance of the compensating capacitor.

Abstract: An inductor for noise reduction characterized in that wire is wound around a core member formed of a magnetic substance and the magnetic substance is composed of a material having insulation resistance of 0.5 to 5 kilo-ohms.

Abstract: An LC filter having electrode layers formed on opposite surfaces of a dielectric substrate. This filter includes a line electrode formed on one surface of the dielectric substrate. The line electrode extends from one electrode layer along outer edges of other electrode layers.

Abstract: A filter array includes a dielectric unit with a plurality of individual electrodes formed on one main surface and a common electrode on the other main surface. The individual electrodes are formed at predetermined intervals so as to extend across the dielectric unit in a direction of a width of the dielectric unit. Since each of the individual electrodes and the common electrode face each other, they form with the dielectric unit, a plurality of capacitance elements. To both ends of each of the individual electrodes, input and output terminals are respectively connected. The input and output terminals project outward from the dielectric unit. A conductive plate is joined to the common electrode, and common terminals are integrally formed on the conductive plate so as to extend outward in a direction of the width of the dielectric unit. Each of the pairs of input and output terminals are inserted and connected to respective signal lines and the common terminals are connected to ground.

Abstract: A chip coil wherein the coil wound around the core is enclosed with a sleeve core. The upper surfaces of the core and the sleeve core are ground so as to adjust the inductance of the chip coil.

Abstract: A chip-type coil whose terminal electrodes are formed directly on a magnetic core and each comprise a mixture of electrically conductive material with insulating material, so that specific resistance of the terminal electrode can increase so as to reduce an eddy current flowing in the terminal electrode, thereby preventing Q-deterioration in the chip-type coil. Moreover, the chip-type coil is allowable of Q-deterioration caused by metal plating, thereby enabling the terminal electrodes to be applied with metal plating.

Abstract: Disclosed is a multilayer capacitor using a sintered body obtained by alternately laminating a plurality of ceramic green sheets each having first inner electrodes formed on its one major surface and a plurality of ceramic green sheets each having second inner electrodes extending in such a direction as to intersect the first inner electrodes formed on its one major surface and cofiring the same. The first inner electrodes are spaced apart from each other through a space region having a predetermined width in the same plane, and led out to first and second side surfaces of the sintered body. In addition, each of the second inner electrodes is let out to third and fourth side surfaces of the sintered body, and has a plurality of electrode portions for taking up capacitance overlapped with the first inner electrodes through a ceramic layer.

Abstract: A laminated transformer includes a plurality of ferrite sheets having surfaces on which conductor patterns are formed and are laminated and baked to be a sintered body, and a pair of the primary external electrodes and a pair of the secondary external electrodes are provided at end faces of the sintered body. The transformer is used mainly in a high frequency circuit, the conductor patterns formed at the laminated ferrite sheets being used as the primary or the secondary, both ends of the primary conductor patterns being electrically connected to the pair of the primary external electrodes and both ends of the secondary conductor patterns being electrically connected to the pair of the secondary external electrodes, so that the primary and secondary conductor patterns have no coiled construction and no self-distributed capacity, so that the laminated transformer will no induce self-resonance even when used in a high frequency band.

Abstract: A chip inductor having a pair of terminal electrodes formed on the surface of a magnetic core which holds a winding therearound. The terminal electrodes have films which are made from a nickel alloy having a relatively high resistivity and a relatively low magnetic permeability. Such nickel alloys includes, for example, nickel-chromium alloy, nickel-phosphorus alloy and nickel-copper alloy.

Abstract: A chip coil which includes a bobbin, flange portions formed at opposite end portions of the bobbin, a wire wound around a barrel portion of the bobbin, and at least two counter-part blocks of magnetic particle-containing solid resin, disposed around the wound wire. The counter-part blocks of magnetic particle-containing solid resin are adapted to be fixed to each other into one combined unit.

Abstract: A capacitor having a discharge gap, which comprises a generally plate-like substrate having a pair of opposite major surfaces and having a portion cut away to define an opening, first and second capacitive electrodes formed on the respective major surfaces of the substrate, and first and second discharge electrodes electrically connected with the first and second capacitive electrodes, respectively. The first and second discharge electrodes are positioned on respective sides of the opening in the substrate so as to confront each other across a discharge gap which includes the width and the thickness of the opening.

Abstract: A chip type discharge element which discharges when a voltage of a predetermined value or greater is applied thereto. It serves to protect electronic components and comprises at least one bored insulating sheet sandwiched in layers between two insulating sheets to thereby close therewith a bore formed at the bored insulating sheet, at least two electrode films provided thereon and extending from the bore to both lengthwise sides of the insulating sheets and partly facing each other across the bore, and exterior electrodes provided at the outer sides of the layered insulating sheets so that the electrode films are electrically connectible to the exterior end of the electrode films. The gap between electrode films opposite to each other across the bore at the bored insulating sheet can be controlled whereby a chip type discharge element discharging at low voltages is obtainable.

Abstract: The disclosure is directed to an improved CR composite part provided with a discharge gap, in which discharge electrodes are provided on opposite surfaces of a substrate formed with a CR composite circuit, while an opening is provided between confronting forward ends of the discharge electrodes on the respective surfaces of the substrate, so that electrical discharge between both of the discharge electrodes is effected through the space for the opening so as to prevent adhesion of foreign matters between the discharge electrodes and also, to effectively obstruct formation of undesirable stray capacitance for stable discharging characteristics.