Patent application number | Description | Published |
20080242549 | SUPERCONDUCTING FILTER DEVICE - A superconducting filter device is disclosed that includes a dielectric base substrate; a patch-type resonator pattern formed of a superconducting material on the base substrate; and a feeder extending in the vicinity of the resonator pattern. The feeder includes a transmission line part for signal inputting or signal outputting, the transmission line part extending toward the resonator pattern; a facing part bent from the transmission line part to face the resonator pattern; and an end part bent from the facing part in a direction away from the resonator pattern. | 10-02-2008 |
20080242550 | TUNABLE FILTER AND METHOD FOR FABRICATING THE SAME - The tunable filter includes two or more adjacent resonators, and a variable capacitive coupler formed on the same substrate where the resonators are formed provided between the resonators. The tunable filter is appropriate for integration which can efficiently change a coupling capacitance between the resonators using a simple structure. | 10-02-2008 |
20080266033 | HIGH FREQUENCY FILTER HAVING RESONANCE PATTERN OF MICROSTRIP LINE OR STRIP LINE STRUCTURE - A resonance pattern ( | 10-30-2008 |
20080269062 | BANDPASS FILTER AND FORMING METHOD OF THE SAME - A bandpass filter capable of creating a dual mode with a simple configuration and stably adjusting the filter characteristics of the bandpass filter is disclosed. The bandpass filter includes a dielectric base substrate; a disk resonator formed over the dielectric base substrate; and a dielectric block disposed over a part of the dielectric base substrate and in substantially the same plane as the disk resonator. | 10-30-2008 |
20080274899 | SUPERCONDUCTING DISK RESONATOR - A superconducting disk resonator is disclosed that includes a dielectric base substrate having dielectric anisotropy, a disk type superconducting resonator pattern that is formed on the dielectric base substrate with superconducting material, and a pair of signal input/output lines arranged on the dielectric base substrate and extending in a straight line towards the disk type superconducting resonator pattern. The direction of dielectric anisotropy of the dielectric base substrate is oriented at ±90 degrees with respect to an extending direction of the pair of signal input/output lines. | 11-06-2008 |
20080297284 | DUAL-MODE FILTER AND TUNING METHOD OF THE SAME - A dual-mode filter capable of providing a high degree of design freedom and/or tunability is disclosed. The dual-mode filter includes a ring resonator; an input feeder and an output feeder disposed substantially orthogonal with respect to each other and with respect to the ring resonator so as to be electromagnetically coupled to the ring resonator; and a dual-mode generating line disposed inside the ring resonator in a manner so that the dual-mode generating line does not overlap with a line extending from the input feeder or a line extending from the output feeder. | 12-04-2008 |
20090167460 | SUPERCONDUCTING TUNABLE FILTER - A superconducting tunable filter is disclosed that has a center frequency and a bandwidth able to be adjusted separately. The superconducting tunable filter includes a superconducting resonator filter pattern formed on a dielectric substrate; a dielectric or magnetic plate above the resonator filter pattern and having a through-hole; a dielectric or magnetic rod inserted in the through-hole; and a position controller which separately controls the position of the dielectric or magnetic plate and the position of the dielectric or magnetic rod relative to the resonator filter pattern. | 07-02-2009 |
20090239752 | Superconducting device, fabrication method thereof, and filter adjusting method - A superconducting device comprises a dielectric substrate, and a plane-figure type resonator pattern made of a superconductive material and formed on a first face of the dielectric substrate. The resonator pattern has a notch at least a portion of which is round. | 09-24-2009 |
20090280991 | THREE-DIMENSIONAL FILTER AND TUNABLE FILTER APPARATUS - A three-dimensional filter includes a pair of superconductor films opposed to each other, and a three-dimensional resonator made of dielectric and situated between the superconductor films, wherein one of the superconductor films is movable relative to the three-dimensional resonator. | 11-12-2009 |
20100009854 | FILTER WITH DISK-SHAPED ELECTRODE PATTERN - A filter includes a dielectric substrate; an electrode layer continuously formed covering a first side of the dielectric substrate; a disk-shaped electrode pattern provided on a second side of the dielectric substrate, the disk-shaped electrode pattern and the electrode layer holding the dielectric substrate therebetween; a ground slot having an opening that is formed asymmetrically with respect to the center of a circular area included in the electrode layer and exposes the dielectric substrate, the circular area and the disk-shaped electrode pattern holding the dielectric substrate therebetween. | 01-14-2010 |
20100073146 | Method Of Controlling Communication Frequencies Of Wireless Communication System, Controller Of The System, And Wireless Communication System - The wireless communication system sets at least one of the multiple wireless frequencies as a reception frequency from the wireless tag, and controls the temperature of a superconducting filter in response to the selected reception frequency, thereby the pass band or the rejection band of the superconducting filter is controlled. | 03-25-2010 |
20100105563 | SUPERCONDUCTIVE FILTER WITH PLURALITY OF RESONATOR PATTERNS FORMED ON SURFACE OF DIELECTRIC SUBSTRATE - A superconductive filter includes a superconductive filter substrate having a dielectric substrate and a plurality of resonator patterns formed on a surface of the dielectric substrate, the plurality of resonator patterns including a superconductive material; a package accommodating the superconductive filter substrate; and an intermediate substrate disposed between an inner surface of the package and the superconductive filter substrate, and thermally coupling the package and the superconductive filter substrate wherein a difference between a degree of contraction of the intermediate substrate and the degree of contraction of the dielectric substrate is smaller than a difference between the degree of contraction of the dielectric substrate and the degree of contraction of the package, when the package, the intermediate substrate, and the dielectric substrate are cooled from room temperature to a critical temperature of the resonator patterns. | 04-29-2010 |
20110081873 | FILTER, TRANSMITTER-RECEIVER, AND AMPLIFYING CIRCUIT - A filter includes: an input terminal to which a fundamental wave signal and a harmonic signal group of the fundamental wave signal are supplied; an output terminal configured to output the fundamental wave signal supplied to the input terminal; a transmission line configured to connect the input terminal and the output terminal; an open-end stub configured to be provided corresponding to an odd harmonic signal among the harmonic signal group, coupled to the transmission line, and has a length corresponding to one quarter of a wavelength of the corresponding odd harmonic signal; a first short-end stub configured to be coupled to the transmission line and has a length corresponding to one quarter of a wavelength of the fundamental wave signal; and a second short-end stub configured to be coupled to the transmission line. | 04-07-2011 |
20120092218 | ELECTRONIC APPARATUS, METHOD OF MAKING THE SAME, AND TRANSCEIVING DEVICE - An electronic apparatus includes a metal base; a wiring board disposed on the metal base, the wiring board having an opening and including interconnects; a metal stage dispose in the opening, the metal stage serving as a ground line; and a semiconductor device disposed on the metal stage, wherein an area of an end surface of the metal stage facing the metal base is larger than that of the metal stage facing the semiconductor device. | 04-19-2012 |