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JP3264003 |
PURPOSE: To have the structure for stabilizing a withstand voltage characteristic so as to raise the allowable maximum current value in a vacuum capacitor by arranging getters on a vacuum inner wall near the central axis line of the fixe...
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JP3263992 |
PURPOSE: To obtain a vacuum capacitor in which capacitance can be regulated at high speed. CONSTITUTION: At least a fixed electrode 15 and a movable electrode 16, having electrode planes crossing each other, are placed in a vacuum contai...
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JP3264005 |
PURPOSE: To materialize a vacuum capacitor or such structure that it raises the capacity of supplying a high frequency current by plating the surface of phosphoric bronze bellows with copper material or silver material higher in conducti...
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JP3264006 |
PURPOSE: To materialize a vacuum capacitor of such structure that it raises the capacity of a high frequency current by using beryllium copper for the material of bellows, and besides, plating the section brazed with the beryllium copper...
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JP3264004 |
PURPOSE: To materialize a vacuum capacitor of such structure that it fulfills the elongation of life and the improvement of current application capacity at the same time by constituting bellows out of stainless steel plated with copper m...
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JP3264075 |
PURPOSE: To obtain a vacuum capacitor in which the constitution of an electrode is improved, which reduces the number of production processes and whose cost are reduced. CONSTITUTION: A guide member 2 is formed in the center of an electr...
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JP3260780 |
PURPOSE: To provide a manufacturing method for trimmer capacitors which prevents a stator electrode from sinking in manufacturing a stator substrate. CONSTITUTION: In manufacturing a trimmer capacitor with a dielectric rotor 2 and in tur...
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JP2001339796 |
To provide a condenser microphone in a high sensitivity.In a condenser IC microphone manufactured by using a microphone processing technology making full use of semiconductor manufacturing technology, an oscillation frequency of LC oscil...
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JP2001332448 |
To solve the problems in the conventional as shortcircuit or withstand voltage failure, which occur between the end edge of a cover and a stator terminal or between the circumferential surface of the rotor and the the stator terminal in ...
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JP2001325858 |
To provide a multi-directional input device requiring a less number of parts and achieving proper assembability and low cost.The multi-directional input device comprises a frame 1, having an upper wall 1e, a printed wiring board 9 having...
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JP2001319831 |
To provide a variable capacitor composed of less number of components.A variable capacitor is equipped with a dielectric body possessing two edge faces, two electrode plates disposed on the one edge face of the dielectric body, a flexibl...
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JP3245971 |
PURPOSE: To minimize the clearance between a bearing internal surface and a movable lead-part surface and prevent a withstand voltage value when adjusting electrostatic capacity from being reduced effectively by circulating air between a...
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JP3245969 |
PURPOSE: To facilitate the accurate positioning between a fixed electrode and a mobile electrode, which is performed at junction of each component of a vacuum capacitor. CONSTITUTION: A hole 1 is made at nearly center of the fixed conduc...
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JP2001307950 |
To prevent the deterioration of characteristics of a variable capacitor due to reverse flow of an excessively applied grease to a bearing hole and adhesion to a rotor pole plate fixed on a rotor shaft when the rotor shaft is pivotally an...
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JP3245923 |
PURPOSE: To improve the yield by forming a structure for alleviating influence of an irregularity in a brazing temperature in a vacuum capacitor having brazing positions. CONSTITUTION: When a connecting position of a bearing 1 is brazed ...
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JP3245930 |
PURPOSE: To unify and simplify steps of manufacturing by forming an exhaust hole at a stationary conductor and connecting the connecting parts in twice steps of brazing. CONSTITUTION: An exhaust hole 1 is first formed at a stationary con...
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JP3242389 |
To provide a temperature adaptative capacitor block that can be used for a temperature compensated crystal oscillator and to provide a temperature compensated crystal oscillator, using the block. A temperature adaptative capacitor block ...
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JP2001291639 |
To prevent the setting drift of a variable capacitor, used for various kinds of electronic equipment. The variable capacitor is constituted, in such a way that notches 16 are formed on the side face of a stator 11 and rotor terminals 17 ...
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JP2001291640 |
To provide a variable capacitor, which is used for various kinds of electronic equipment and the characteristics of which can be stabilized, when the capacitor is mass-produced, and to provide a method of manufacturing the capacitor. The...
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JP2001267178 |
To reduce the number of components and to stabilize a spring action for urging to elastically press a rotor toward a stator.At a driver member 4 constituted of one metal plate, a head 17 for disposing a driver groove 15, an engaging part...
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JP2001267179 |
To eliminate necessity of a coupling to connect a vacuum variable capacitor to a rotary shaft of a driver.A nut part 27 is rotatably supported to a nut support 11 stood on a variable side end plate 4 via a bearing 16. The nut part 27 is ...
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JP2001257504 |
To provide a small-size impedance circuit network which is easily assembled and has simple structure.The impedance circuit network is formed with (a) inductors L1, L2, L3 and L4 consisting of a strip line 22 and (b) metallic members 25 a...
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JP2001244141 |
To reduce changes in a stray capacity between the state of insertion of a driver in a driver groove and the state of non insertion of the driver in the driver groove, thereby to prevent an accurate adjustment of an electostatic capacity ...
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JP2001244142 |
To prevent a warpage from being generated on a metal rotor for a variable capacitor and to prevent a step from being generated between a step part, to give a rotor electrode and a projected part for inclination prevention, when the metal...
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JP2001223133 |
To enlarge and stabilize the maximum capacitance of parts for stator which become the stator of a variable capacitor, in which stator terminals electrically connected to stator electrodes are formed of conductive films extended from the ...
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JP2001217147 |
To prevent rise in the rotational torque of an adjustable nut, score or service life decrease of a screw mechanism between the adjustable nut and a movable lead bolt, and lowering of the withstand voltage of the adjustable nut when the n...
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JP2001210544 |
To provide a chip multilayer ceramic capacitor, capable of adjusting the electrostatic capacity on a circuit board.Internal electrodes on a dielectric sheet are divided into arbitrary electrically inconnected regions on the same planar r...
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JP2001198811 |
To obtain a uniform amount of polishing even if the collective thickness of a plurality of works is different each other when applying polishing to the plurality of works such as dielectric elements serving as the stators of a variable c...
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JP2001196264 |
To stabilize the characteristics of a variable capacitor usable for various types of electronic apparatus in its manufacturing method. The variable capacitor is constituted such that the peripheral end of a rotor electrode 2a used in the...
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JP2001185451 |
To provide a capacitor that can improve efficiency of adjustment operation for an impedance matching to be used for a microwave amplifier having an impedance matching circuit. This capacitor comprises a pair of parallel electrodes 2a, 2b...
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JP2001185450 |
To provide a trimmer capacitor wherein even if, in a formation process of a stator, a top face of a stator is ground in order to give a higher flatness of the top face of the stator and a front face of a fixing electrode molded on the st...
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JP3201015 |
PURPOSE: To enable a variable capacitor to be increased in maximum capacity, set stable in capacity, and be easily and finely adjusted in capacity and to make its rotor stable in torque. CONSTITUTION: A variable capacitor is equipped wit...
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JP2001143911 |
To provide an electronic component and its manufacturing method wherein an electronic main body can be simply fixed on a circuit board by using a socket, and the fixing to the circuit board is rigid. This electronic component consists of...
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JP2001126957 |
To provide a variable capacitor which can be assembled very easily and in which the closely contacted state of a metallic rotor with a dielectric substrate is stabilized, and the rotation of the rotor becomes highly stabilized. A variabl...
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JP2001122010 |
To realize a sitting sensor capable of judging existence of sitting and size of a sitting human body. This sitting sensor 1 is provided with a first and a second electrodes 11, 12 arranged opposite to each other with the predetermined ga...
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JP2001102251 |
To provide a method of manufacturing a variable capacitor and a variable capacitor manufactured thereby, by which productivity of a variable capacitor can be enhanced. A regulation portion 5 projected downward from the periphery of a tho...
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JP3160949 |
PURPOSE: To realize a small-sized and large-capacity vacuum capacitor. CONSTITUTION: In a vacuum capacitor of a structure wherein a plurality of cylindrical electrode plates, whose inner diameters are different from one another, are prov...
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JP2001052958 |
To provide a capacitor whose changed power quantity is large. In the plate 1 of a capacitor, the direction of the face of a strip-like conductor turns be direction parallel to a shaft 3 in a state where the strip-like conductor slides wi...
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JP3160950 |
PURPOSE: To provide a vacuum capacitor, which possesses together the functions of a fixed capacity type capacitor and a variable capacity type capacitor and has a structure wherein a miniaturization of the capacitor and an increase in th...
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JP2001028320 |
To provide a vacuum capacitor which can prevent crackings of a guide pin and also short-circuiting of the guide pin moreover minimizing its axial dimension.A guide part 17, for slidably supporting a guide pin 9 therein, is brazed to a ce...
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JP2001028321 |
To provide a vacuum capacitor which can prevent crackings of a guide pin and also short-circuiting of the guide pin, while minimizing the axial dimension.A guide part 17, for slidably supporting a guide pin 9 therein, is brazed to a cent...
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JP2001028319 |
To provide a vacuum capacitor which prevents crackings of a guide pin.A guide part 17 for slidably supporting a guide pin 9 therein, is brazed to the central part of a fixed end plate 3 or is integrally cut off, and the guide pin 9 is pr...
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JP2001015386 |
To enable a variable capacitor to be improved in productivity by a method wherein a stator electrode recess is provided to the under side of a stator, and a stator electrode is formed on the surface of the stator electrode recess through...
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JP2000357922 |
To provide a temperature adaptative capacitor block that can be used for a temperature compensated crystal oscillator and to provide a temperature compensated crystal oscillator, using the block.A temperature adaptative capacitor block i...
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JP2000340457 |
To provide a trimmer capacitor for stably butting a metallic rotor and a stator for the deformation of a container.A trimmer capacitor 10 is constituted of a dielectric stator 2 having a stator electrode 2a, a metallic rotor 3 arranged a...
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JP2000311833 |
To obtain a wobble disc capacitor using a wobble motor. In a device used for a transceiver of highly integrated radio frequency, a micro-electromechanical system or a wobble motor is used for forming a good switch 11 and selecting and ch...
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JP2000266566 |
To eliminate the need for measuring data for each vacuum variable condenser or the adjustment of the part constant of a circuit by miniaturizing the detection circuit of the rotary position of the vacuum variable condenser and extending ...
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JP3111916 |
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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JP3102358 |
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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JP2000182893 |
To smoothly monotonically change the capacitance with rotation of a rotor by forming a movable electrode so that no edge exists at the end along the rotating direction of a rotor in a virtual section virtually cut by a plane perpendicula...
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