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JP10321466 |
To make a variable capacitor in which a stator forming stator electrodes and a rotor forming rotor electrodes are housed in the recessed section of a case, and the recessed section is closed with a cover to be assembled easily and, at th...
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JP10312935 |
To provide a variable capacitor which can be reduced in size and thickness and hardly damages a stator. A stator 20 is constituted by forming a through-hole 22 through a laminated dielectric sheet body 21, from the upper surface to lower...
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JP10303071 |
To provide a trimmer capacitor effectively suppressing aging of electrostatic capacity, while preventing dispersion of electrostatic capacity formed between a stator electrode and a rotor electrode. A trimmer capacitor is provided, where...
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JP10303070 |
To eliminate deterioration of characteristics by interposing silicon oil between the top surface of a stator and a rotor electrode, so that infiltration of water content and flux in assembling or service is eliminated. Silicon oil is app...
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JP10284347 |
To increase current carrying capability, by arranging a cylindrical bellows which is concentrically arranged around a first bellows, in such a manner that one end is fixed to a movable side current collecting member, the other end is fix...
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JP10275743 |
To enhance stability by recessing a lower surface side of a rotor in contact with a stator at a central part side from an outer peripheral end. A rotor 2 is formed of discoidal brass, and a through hole 2a for passing a shaft 3 is provid...
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JP10256084 |
To obtain an LC composite component insusceptible to the effect of ambient stray capacity by fixing a substrate with a shield cover having an opening for exposing a part shaped to regulate a rotary holding member and receiving a rotor, t...
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JP10233338 |
To stabilize the capacitance of a variable capacitor by improving the contact balance of a rotor with a stator-side electrode by forming the second electrode section of the stator-side electrode on the other side of the center of rotatio...
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JP2819934 |
PURPOSE: To enable a stator of ceramic dielectric body to be manufactured through the same method as a conventional laminated ceramic capacitor, where a stator electrode is provided inside the stator and a recess is provided on the under...
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JP10229029 |
To eliminate occurrence of setting drift during adjustment of electrostatic capacity and making a member having inductivity resistant to damage by forming a through hole in a rotor having inductivity and electrodes and/or a base formed o...
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JP10214752 |
To provide a high performance variable capacitor having stable capacity by connecting the bottom side of a rotor pressing part having a size of the diameter of a driver shaft with a rotor electrode through conductive adhesive. At the tim...
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JP10209714 |
To make the a variable capacitor compact and weight-light and to easily adjust the characteristics in the voltage-controlled band-pass variable filter used for a high frequency or the like in a radio communication equipment. A filter 51 ...
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JP10189392 |
To enable a rotor to be adhered to a stator stably in a variable capacitor where a stator for forming a stator electrode and a rotor for forming a rotor electrode are accommodated in the recessed part of a case and a recessed part is clo...
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JP10189393 |
To reduce a change in electrostatic capacity due to change of peripheral temperature by joining a warp-preventive layer with smaller thermal expansion coefficient than movable electrode to the surface opposite to the joint surface the mo...
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JP10149950 |
To provide a variable capacitance capacitor having largely variable capacitance. Leg sections 2a and 2b are formed on a substrate 1 at an interval, and a support beam 3 is put on the sections 2a and 2b across the space between the sectio...
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JP10149951 |
To provide a variable capacitance capacitor, the capacitance change of which can be controlled with high accuracy. Leg sections 2a and 2b are formed on a substrate 1 at an interval, and beam sections 4a and 4b are respectively extended f...
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JP10144567 |
To provide a trimmer capacitor in which fine adjustment of capacitance is easy. This trimmer capacitor is provided with a fixed capacitor and a variable capacitor whose capacitance is small as compared with the fixed capacitor. The fixed...
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JP10135078 |
To reduce the cost of a trimmer capacitor and, at the same time, to prevent the characteristic variation of the capacitor by providing a holding shaft which is passed through first second through-holes and holes a rotor in such a state t...
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JP10106888 |
To provide a vacuum variable capacitor wherein the life-number of times of operation for changing capacitance is large. In a housing chamber 40 maintained in the state of vacuum, a fixed spiral electrode 30a fixed on the bottom surface, ...
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JP10079324 |
To provide a capacitance-variable-element which can be downsized and can vary electrostatic capacity at a low voltage. A fixed electrode 3 is formed on a support substrate 2, and a cantilever 5 is formed over the fixed electrode 3 via a ...
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JP10070040 |
To provide a variable-capacity capacitor where the mechanical resonance frequency is made small without changing the electric series resistance of a cantilever member and Q. For this variable-capacity capacitor, a fixed electrode 2 to se...
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JP10064754 |
To trim, without taking account of the directivity by symmetrically overlapped parts of a trimming capacitor electrode and inner capacitor electrode to a base line inclined to the outer side of a trimming capacitor. Overlapped parts of a...
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JP10055934 |
To reduce the number of components to obtain a low-cost small sized trimmer capacitor by forming a stator with an insulative substrate and mounting thick film functional elements on this substrate surface to integrate these elements in a...
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JP10041191 |
To provide a variable capacitor excellent in the stability of a rotor or an LC composite device, which is excellent in shield effect and dustproofness and can be reduced in size using such a variable capacitor. Two stator side electrodes...
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JP10032143 |
To prevent the dielectric breakdown, even if a high voltage is impressed for efficiently transferring energy to a load by changing the width of flat plate electrodes using a width-changing means for changing impedance. Sliding flat-plate...
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JP2740391 |
PURPOSE: To provide a variable air capacitor with an insulated shaft wherein assembly time is shortened, assembly accuracy and mechanical strength are improved. CONSTITUTION: This variable air capacitor with an insulated shaft is provide...
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JP10022173 |
To miniaturize and make thinner and to provide larger electrostatic capacity and capacity variable range by providing a spring member with a hole inserted in a groove and placing a stator and a rotor between a head part for preventing dr...
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JP09330847 |
To provide a variable capacitance capacitor which is composed of a single element and has a high withstand voltage, high frequency stability, a small size, a capacitance which changes at a high rate of change, and a gentle C-V curve. One...
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JP09320894 |
To provide a cylindrical-type air trimmer capacitor in which an operator can adjust without even slight abutments. This cylindrical-type air trimmer capacitor is provided with a cylinder 10 in the middle, a fixing electrode 20 provided w...
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JP09293631 |
To provide a trimmer capacitor of small capacitance and also small Cmin/Cmax. This trimmer capacitor is provided with a stator having a stator electrode 2, a rotor having a rotor electrode 8 and a dielectric arranged between said stator ...
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JP09293632 |
To provide a trimmer capacitor having small packaging area but large capacitance and also wide variable capacitance range. In this trimmer capacitor, the first dielectric sheet 11 with the first inner electrode 12 formed therein and the ...
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JP09283372 |
To narrow the variable step width without greatly increasing the element number in the variable capacitors haring discrete capacitance value. A series circuit of contact Ks of a capacitor Cs and a transfer relay is added to the variable ...
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JP09275035 |
To make a press work possible more easily, lengthen the life of press dies and suppress the production cost by forming a plate-shaped conductive plate by folding it at a folding portion. A metal rotor 21 is overlapped by folding a conduc...
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JP09270368 |
To provide a trimmer capacitor which has a plurality of kinds of variable capacitance ranges and is suitable for fine adjustment according to application modes. This trimmer capacitor consists of the following; a first fixed electrode 21...
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JP09270369 |
To cut down the part numbers also simplifying the assembling steps by a method wherein a passing through axle passing through both through holes of a stator and a rotor provided with a spring caulking axle caulking the stator and the rot...
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JP09260211 |
To dispense with again an adjustment of the electrostatic capacity of a trimmer capacitor by a method wherein a system, which can set the electrostatic capacity, is incorporated in the automatic inspection line of the trimmer capacitor i...
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JP09237738 |
To produce a plurality of dielectric units from a large dielectric board at once by dividing the board having electrodes along break lines into dielectric units and polishing a main face of each dielectric unit. To Groove-like break line...
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JP09237739 |
To eliminate the need of a plane polishing step using the slicing face as a main face by slicing a columnar dielectric in a perpendicular direction to the axis of the dielectric into dielectric elements of specified thickness and forming...
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JP09237741 |
To produce a plurality of dielectric units from a large dielectric board at once by polishing one main face of the dielectric board, forming electrodes on the other main face of the board and dividing the board into dielectric units havi...
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JP09237740 |
To produce a plurality of dielectric units from a large dielectric board at once by dividing the board having a sheet adhered thereto into dielectric units and polishing a main face of each dielectric unit. To Tape-like electrodes 22 con...
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JP09232187 |
To be excellent in setting precision, large in rotation torque and excellent in capacitance by a method wherein an undercut from an installment reference plane of a reverse face of a stator is within a specific dimension. In a trimmer ca...
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JP09232109 |
To improve an assembling efficiency and eliminate corrections at the time of assembly by setting an operating section and an outputting section at specified places separately and rotating a rotor by rotating a shaft and then setting elec...
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JP09219342 |
To prevent displacement of a rotating axis of an adjusting nut and an axis of a movable lead bolt and to provide a vacuum capacitor which has no degradation of the part life, without being added a lateral force even if the nut is rotated...
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JP09199376 |
To provide a variable-capacitance capacitor having a small size and high variability of static capacitance and providing a desired C-V curve. Capacitance-forming electrodes 8-10 face a detection electrode 6 through gaps at one end side o...
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JP09190951 |
To manufacture a metallic rotor at low cost and besides efficiently by selectively etching a metallic plate, using etching resist, so as to form a step part, a driver groove, and a peripheral face. A metallic plate 21 is prepared. This m...
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JP09186523 |
To provide a modulator in which the component cost is reduced. The modulator 10 includes a printed circuit board 11 on which circuit components are mounted, a shield case shielding the printed circuit board 11 and an oscillation circuit ...
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JP09162074 |
To provide a variable capacitance element which is provided with a low domy electrode as a mobile electrode and the capacitance of which quickly changes with high reproducibility. A variable capacitance element is constituted by housing ...
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JP09153436 |
To provide a small-sized variable capacity capacitor, which can obtain a large electrostatic capacity, increases the rate of variation of the capacity and is superior in withstand-voltage, though the capacitor is a single element. The on...
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JP09115775 |
To provide a variable capacitor which restrains the increase of a minimum capacitance value which is caused by miniaturization, in a variable chip capacitor used in various kinds of electronic apparatuses. This capacitor consists of a st...
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JP09102438 |
To eliminate short circuit of a rotor electrode and a stator electrode by providing a specified space between the outer end of a rotor and the outer end of the rotor electrode. A rotor electrode 4 is provided on the inward part with a sp...
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