Patent application number | Description | Published |
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 |
20080258191 | CAPACITOR DEVICE PROVIDING SUFFICIENT RELIABILITY - A capacitor device includes a dielectric layer configured to have a composition represented as (Ba | 10-23-2008 |
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 |
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 |
20090273880 | VARIABLE CAPACITOR AND FILTER CIRCUIT WITH BIAS VOLTAGE - A variable capacitor includes a metal oxide film having a perovskite structure, first and second electrode films having the metal oxide film placed therebetween and to be coupled to an external voltage source, and a bias voltage source configured to provide a bias voltage that is applied in series or parallel to a capacitance of a capacitor including the metal oxide film and the first and second electrode films, wherein the bias voltage applied by the bias voltage source to the capacitance is adapted to maximize a voltage dependency of a relative permittivity of the metal oxide film. | 11-05-2009 |
20090315647 | DUAL MODE FILTER INCLUDING RING-SHADED TRANSMISSION LINE - At a first coupling point on a ring resonator having a ring-shaped transmission line, an input feeder is electromagnetically coupled with the ring resonator. An output feeder is electromagnetically coupled with the ring resonator at a second coupling point on the ring resonator. A dual mode generating line is disposed in an inner area of the ring resonator. One end of the dual mode generating line is electromagnetically coupled with the ring resonator at a third coupling point on the ring resonator, and the other end is electromagnetically coupled with the ring resonator at a fourth coupling point on the ring resonator distant from the third coupling point by half of a transmission line length of the ring resonator. | 12-24-2009 |
20100233796 | FUEL CELL SYSTEM AND METHOD OF CONTROLLING SAME - A fuel cell system includes a fuel cell configured to generate electric power with a fuel gas and an oxygen gas fed to the fuel cell and to discharge exhaust gas including CO | 09-16-2010 |
20120058041 | GAS GENERATOR AND GAS GENERATION METHOD - A gas generator includes a processing vessel defining a processing space and holding a support body therein, an evacuation system evacuating the processing space; a metal oxide film of a perovskite structure containing oxygen defects formed on the support body, a source gas supplying port supplying a source gas containing molecules of a source compound of carbon dioxide or water into the processing space, a gas outlet port for extracting a product gas containing molecules of a product compound in which oxygen atoms are removed from said source compound, and a heating part heating the support body. | 03-08-2012 |
20120227780 | THERMOELECTRIC CONVERSION MODULE AND METHOD OF MANUFACTURING SAME - A thermoelectric conversion module includes an insulative substrate, a plurality of thermoelectric conversion material films disposed with a gap therebetween on a first surface of the insulative substrate and made of any one of an n-type thermoelectric conversion material and a p-type thermoelectric conversion material, a first electrode and a second electrode, formed away from each other on each of the thermoelectric conversion material films, a first thermal conduction member disposed on a side of the first surface of the insulative substrate and including a protruding portion in contact with the first, electrodes or the insulative substrate between the first electrodes, and a second thermal conduction member disposed on a side of a second surface of the insulative substrate and including a protruding portion in contact with the second surface of the insulative substrate at an area coinciding with the second electrodes. | 09-13-2012 |
20140338717 | THERMOELECTRIC CONVERSION DEVICE AND FABRICATION METHOD THEREOF - A thermoelectric conversion device includes a perovskite film over a substrate and formed with first and second electrodes on the perovskite film, wherein the perovskite film includes a domain having a crystal orientation different from a crystal orientation of a crystal that constitutes the perovskite film. | 11-20-2014 |
20150053247 | THERMOELECTRIC CONVERSION DEVICE - A thermoelectric conversion device includes a stack in which a first perovskite dielectric film, which includes Sr and Ti and has a first bandgap, and a second perovskite dielectric film, which includes Sr and Ti and has a second bandgap smaller than the first bandgap, are stacked alternately, each of the first and second perovskite dielectric films being doped to have an electric conductivity, the first and the second perovskite dielectric films having respective compositions such that there appears a bandoffset of 0.54 eV in maximum between a conduction band of the first perovskite dielectric film and a conduction band of the second perovskite dielectric film. | 02-26-2015 |