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Patent Searching and Data


Matches 501 - 550 out of 2,767

Document Document Title
JP2008278147
To provide a variable filter element and a variable filter module suitable for decreasing a drive voltage, and a fabrication method thereof.For instance, the variable filter element X1 for instance includes a substrate 10, two ground lin...  
JP2008269161
To provide an antenna circuit structure for IC card and tag, capable of enhancing reliability of a joint part between parts of antenna circuit pattern layers, and a method for manufacturing the same.The antenna circuit structure for IC c...  
JP2008263259
To provide a waveguide antenna capable of widening a specific band to about three times as wide as the conventional one without increasing the sectional area of a waveguide.In a metal waveguide 101 which has one end 102 short-circuited a...  
JP2008252671
To provide a method of manufacturing a helical antenna capable of manufacturing the helical antenna having a desired resonance frequency by an inexpensive die of a simple structure.In the manufacturing method of the helical antenna 1 int...  
JP2008246955
To provide a manufacturing method for a helical antenna wherein the molding can be performed by a die with a simple structure, the appearance is excellent, the manufacturing cost is suppressed, and also, the manufacturing work is simplif...  
JP2008252340
To provide a tunable filter which is capable of efficiently varying a coupling capacitance between resonators with a simple structure and is suitable for integration.In the tunable filter 10, by arranging the two or more resonators 12a a...  
JP2008236562
To provide a dielectric filter in which the quantity of rebounding of an attenuation amount is controlled by adjusting the low-frequency side polar position of a pass band.The vicinity of the open end side of an outer conductor film, for...  
JP2008228156
To provide a superconducting disk resonator that can prevent the occurrence of a notch on a resonance curve and can maintain suitable resonance characteristics even when a substrate with an anisotropic dielectric constant or an anisotrop...  
JP2008205856
To provide a primary radiator which allows a horn and a waveguide each having an elliptic cross-section to be easily produced and the cost of the radiator to be reduced.The primary radiator 3 comprises a horn part 3a and a waveguide part...  
JP2008167390
To provide a film antenna integrally assembled with a mobile communication terminal case.The film antenna 20 and a mobile communication terminal case using the same are provided. The film antenna 20 includes a carrier film 21 made of an ...  
JP2008153925
To provide an antenna sheet which can be utilized for a non-contact communication unit without increasing the thickness of a loading apparatus, and its manufacturing method.The antenna sheet is provided with a magnetic sheet 11 containin...  
JP2008113305
To suppress the occurrence of a vertically polarized wave component while suppressing the mass and manufacturing cost of an antenna.In the slot antenna 100, the distance along the footprint portion between the parallel portion of a suppo...  
JP2008113328
To suppress the occurrence of a vertically polarized wave component while suppressing the mass and manufacturing cost of an antenna.In the slot antenna 100, the distance along the footprint portion between the parallel portion of a suppo...  
JP2008113289
To provide a band pass filter which can be used for ultrawideband communication of GHz band and has passing characteristics of a narrow band of 1 GHz.In the band pass filter, a first signal line 2 and a second signal line 3 are connected...  
JP2008113323
To suppress the occurrence of a vertically polarized wave component while suppressing the mass and manufacturing cost of an antenna.In the slot antenna 100, the distance along the footprint portion between the parallel portion of a suppo...  
JP2008113329
To suppress the occurrence of a vertically polarized wave component while suppressing the mass and manufacturing cost of an antenna.In the slot antenna 100, the distance along the footprint portion between the parallel portion of a suppo...  
JP2008092198
To provide a non-contact electronic tag which is excellent in mass productivity and has a structure that is improved in communication distance and enhanced in communication directivity.There is provided a structure such that a waveguide ...  
JP2008079200
To provide an electronic device in which an antenna is disposed efficiently in space, and to provide a manufacturing method thereof.The electronic device comprises a case, an antenna element, a circuit board electrically connected with t...  
JP2008072721
To provide a radiator of a built-in type antenna having high electric conductivity and allowed in miniaturization.A method for manufacturing a case structure having an antenna comprises a step for forming a carrier film, a step for formi...  
JP2008067131
To miniaturize an antenna module.To achieve the above task, the antenna module 5 has a substrate 6 and a coil-like antenna element 7 arranged on the substrate 6, wherein a part of the antenna element 7 is exposed to the upper surface of ...  
JP2008060999
To provide a part mounting substrate that reduces size, thickness, and costs effectively and has a structure capable of manufacturing a non-reciprocal circuit element having stable characteristics with a high yield, and to provide the no...  
JP2008053842
To provide a component mounting substrate that reduces size, thickness, and costs effectively and has a structure that can be manufactured with stable characteristics and a high yield, and to provide a non-reciprocal circuit element and ...  
JP2008042318
To provide a method for manufacturing a heat insulating waveguide simply even if the cross section of a waveguide to be formed is small and the length of the waveguide is long.A metal rod 50 is provided, which has a section in the same s...  
JP2008042859
To provide a chip antenna which is smaller in size than before without providing any margin in consideration of cut deviation.The chip antenna has: a laminate 2 of insulated ceramics in an approximately rectangular parallelopiped shape; ...  
JP2008011126
To provide a manufacturing method of an antenna capable of inserting a plurality of antenna elements into a correct position.A first antenna element 3 is put into a groove 22 of a support member 2, and the first antenna element 3 is laid...  
JP2008009801
To reduce the production cost of an RFID inlet for performing data exchange by use of UHF.The RFID inlet 1 can obtain satisfactory communication characteristics in a wide frequency band (860-960 MHz) by forming a meandering pattern on a ...  
JP2007180660
To provide an antenna device provided with a power feed transmission line which can receive power supply with low loss, and has a simple manufacturing method.Using a single sheet metal and a predetermined die; the sheet metal of a frame ...  
JP2007181160
To provide a winding method and an antenna coil easy and inexpensive for changing an oscillation frequency by adjusting an interval between antenna coils for an IC tag.When the diameter of a conduction wire, the number of time of winding...  
JP2007180800
To simply manufacture a horizontally polarized wave/horizontal surface non-directional linear array antenna having simple structure and small antenna width.A conductive plate 5 has a plurality of recessed parts 12 formed on one long side...  
JP2007180114
To provide a frequency selective shielding type electromagnetic wave shielding material in which transparency (visible) and productivity in manufacture can be improved.In the frequency selective shielding type electromagnetic wave shield...  
JP2007168271
To provide a method of manufacturing, without energy cost, a water-resistant laminate which consists of a resin substrate film and a metal foil laminated firmly through an adhesive layer and is used as a transparent electroconductive fil...  
JP2007156632
To facilitate the matching with a radio IC chip or the response to wavelength reduction effects by changing the impedance of an antenna or the length of an antenna regardless of the type of an object to be recognized to which a radio tag...  
JP2007150515
To provide an electrophoresis antenna whose shape and area can be changed depending on a frequency band of an electromagnetic wave required for communication of a contactless data receiving transmitting body and capable of controlling a ...  
JP2007150868
To provide techniques with which an electronic tag inlet with the desired characteristic property is easily and inexpensively manufactured.A matching circuit pattern 3 to which high dimension precision is required, and antenna patterns 4...  
JP3966865
To provide a DC cut-out structure which realizes desired frequency characteristics with a simple structure. The DC cut-out structure is made by connecting two capacitors 13, 14 in parallel between the transmission line patterns 11 and 12...  
JP2007143003
To reduce thickness, to be excellent in productivity and to perform manufacture at a low cost for an antenna circuit used in a contactless IC card and a radio tag.In the antenna circuit device 1 for which an antenna circuit pattern 3 is ...  
JP2007135213
To provide methods for producing large volumes of small antenna arrays.The method includes the steps of creating an antenna array pattern as a computer file, printing the created pattern onto the surface of a transfer paper, placing the ...  
JP3960208
To easily manufacture a multilayer wiring board which integrally has a hard substrate body and a flexible substrate connected to the substrate body. The multilayer wiring board 1 is constituted in such a way that the flexible substrate 4...  
JP2007129729
To provide an antenna which makes a base part of a helical antenna electromagnetically approximate a transmission line feed on a surface of a substrate and includes a three-dimensional shape section of a flex circuit.The present inventio...  
JP2007129759
To provide a novel structure for high-level electrically conductive surface patterning and tracing, complex circuitry, and antennas.The invention teaches improved, novel methods and materials for the production of electrically conductive...  
JP2007129417
To provide a method of manufacturing a patch antenna by which the frequency band thereof can be broadened.The method includes: a step S1 for first cutting, from a metallic plate, a patch with outer circumference formed with a plurality o...  
JP3955490
To provide a waveguide which can be manufactured even by machine working whose precision is low wherein a milimeter wave and sub-milimeter wave signal is transmitted with a low loss. This waveguide structure comprises a metallic block 1a...  
JP3955028
To provide a waveguide structure the complicated shape of which can be formed, which is weight-reduced and downsized, needs no fine adjustment such as screw fastening, is effective to cost reduction, and causes no radio wave leakage. Wav...  
JP2007110216
To provide a resin plate for a vehicle window with a light weight, keeping excellent antenna performance, having an excellent outward design style, without hindering visibility of clews, capable of being arranged even to a small window p...  
JP2007104023
To uniformize the degree of adhesiveness in a dielectric line to a dielectric plate in an NRD guide device.The NRD guide device 1 comprises the dielectric lines 2A, 2B, 2C having first and second surfaces 5a, 5b that are parallel each ot...  
JP2007103881
To easily manufacture a conductive member for a non-contact type data carrier at a low cost.The punching process of punching a surface side conductive layer (3) by a prescribed pattern from the top of a surface side thermoplastic adhesiv...  
JP3943759
To eliminate dispersion on the component level, to provide high transmission performance with stable quality and to reduce the cost. A dielectric 12 of a high dielectric constant is sandwiched between two metallic plates 10A and 10B and ...  
JP2007096939
To provide a resonator and a filter capable of achieving loss reduction.A first internal electrode 10 is embedded in a dielectric substrate 50. A second internal electrode 20 is embedded in the dielectric substrate 50 so as to face the f...  
JP3939622
To provide a nonreversible circuit element which is miniaturized and excellent in performance and mass-productivity, an isolator and a manufacturing method of the nonreversible circuit element. The nonreversible circuit element is adopte...  
JP3939504
To provide a semiconductor device in which passive elements, such as an antenna element, capacitive elements, etc., can be loaded in a chip, and to provide a method of manufacturing the device. An inverted F-type antenna is formed by pro...  

Matches 501 - 550 out of 2,767