Patent application number | Description | Published |
20110043412 | Internal Wide Band Antenna Using Slow Wave Structure - Disclosed is a wide-band internal antenna that uses a slow-wave structure. The antenna includes an impedance matching/power feed part, which includes a first conductive element that extends from a power feed line and a second conductive element that is separated by a particular distance from the first conductive element and is electrically connected with a ground, and at least one radiator extending from the impedance matching/power feed part. Here, the first conductive element and the second conductive element of the impedance matching/power feed part form a slow-wave structure. By applying a slow-wave structure to coupling matching, the antenna provides the advantage of resolving the problem of narrow band characteristics found in inverted-F antennas while maintaining a low profile. | 02-24-2011 |
20110043427 | INTERNAL ANTENNA PROVIDING IMPEDANCE MATCHING FOR MULTIBAND - Disclosed is an internal antenna that provides impedance matching for multiple bands. The antenna includes an impedance matching part, which in turn includes a first conductive element electrically coupled to a feeding point and a second conductive element electrically coupled to a ground, and at least one radiator electrically coupled to the first conductive element, where the first conductive element and the second conductive element of the impedance matching part are separated by a particular distance to perform coupling matching and are electrically coupled at a pre-designated position. Certain aspects of the present invention can be utilized to provide wide band characteristics in designing for multi-band applications, even for high-frequency bands. | 02-24-2011 |
20110122034 | BUILT-IN ANTENNA FOR HEADSET - Disclosed is an internal antenna for a headset. The disclosed antenna comprises: a substrate, which is included inside a headset body; a feeding pattern formed on the substrate; a connecting part, which is made of a metallic material and electrically connected to the feeding pattern, and a portion of which protrudes into the housing of the headset body; a hooking part, which is joined with the connecting part; and a radiator, which is inserted into the hooking part. According to an embodiment of the present invention, audio signals may be sent and received with higher efficiency, without using a chip antenna, and the antenna may be less affected by such external factors as the hand effect and head effect. | 05-26-2011 |
20110181487 | MULTI-BAND INTERNAL ANTENNA - A multi band internal antenna is disclosed. The antenna may include a board, an impedance matching/feeding part formed on the board, and a first radiation element joined to the impedance matching/feeding part, where the impedance matching/feeding part may include: a first matching element of a particular length that is coupled to a ground, and a second matching element of a particular length that is arranged with a distance from the first matching element and is electrically coupled to a feeding point, and where the distance between the first matching element and the second matching element may vary partially. Thus, a multi band internal antenna can be provided that utilizes coupling matching to achieve wide-band characteristics even for multi-band designs. | 07-28-2011 |
20110241963 | INTERNAL ANTENNA SUPPORTING WIDEBAND IMPEDANCE MATCHING - An internal antenna providing impedance matching for a wide band is disclosed. The disclosed antenna may include: a substrate; an impedance matching/feeding unit comprising a feeding member, separated from the substrate at a designated distance, configured to receive RF signals, and of a designated length in a first direction, and a ground member, separated from the substrate at a designated distance, separated from the feeding member at a designated in a second direction perpendicular to the first direction, and of a designated length in the first direction; and a radiator extending from the ground member; wherein the impedance matching/feeding unit performs impedance matching by way of coupling between the feeding member and the ground member, and the radiator receives coupling feeding from the feeding member. The disclosed antenna has the advantages of overcoming the narrow band problem of a planar inverted-F antenna, and of allowing more efficient utilization of space in an internal antenna. | 10-06-2011 |
20110241964 | BUILT-IN ANTENNA WHICH SUPPORTS BROADBAND IMPEDANCE MATCHING AND HAS FEEDING PATCH COUPLED TO SUBSTRATE - Disclosed is an internal antenna providing impedance matching for a wide band where a feeding patch is placed on a substrate. The disclosed antenna may include: a substrate; an impedance matching/feeding unit including a feeding patch, which is formed on the substrate and electrically connected to a feeding point, and a ground patch, which is electrically connected to a ground and formed above the feeding patch separated at a designated distance from the feeding patch; and a radiator formed extending from the ground patch, where the impedance matching/feeding unit performs impedance matching by way of coupling between the feeding patch and the ground patch, and the radiator receives coupling feeding from the feeding patch. The disclosed antenna has the advantages of overcoming the narrow band problem of a planar inverted-F antenna, and of allowing more efficient utilization of space in an internal antenna for a wide band using coupling matching and coupling feeding. | 10-06-2011 |
20120026064 | WIDEBAND ANTENNA USING COUPLING MATCHING - A wide-band antenna using coupling matching is disclosed. The antenna may include a first conductive element, which is electrically connected with a ground; a second conductive element, which is electrically connected with a power feed point and formed parallel to the first conductive element with a particular distance in-between; and a third conductive element for emitting an RF signal that extends from the first conductive element, where the first conductive element and the second conductive element have a particular length such that progressive waves are generated and sufficient coupling is achieved. According to certain aspects of the present invention, a internal type multi-band antenna having wide-band characteristics can be provided, by using coupling matching for multi-band design. | 02-02-2012 |
20120032870 | BROADBAND ANTENNA USING COUPLING MATCHING WITH SHORT-CIRCUITED END OF RADIATOR - An antenna, where an end point of a radiator is shorted, using coupling matching is disclosed. The antenna includes a first conductive element connected electrically to a first ground, a second conductive element connected electrically to a feeding part, and spaced from the first conductive element by a certain distance, a third conductive element extending from the first conductive element and configured to output a RF signal, an end point of the third conductive element being coupled to a second ground. Here, the first conductive element and the second conductive element have a certain length so that a travelling wave is generated and enough coupling is provided. The antenna provides wide band characteristics while maintaining a low profile structure. The frequency characteristics of the antenna are not changed significantly due to external factors such as hand effect and head effect. | 02-09-2012 |
20120044122 | BROADBAND ANTENNA USING AN ELECTRIC LOOP-TYPE SIGNAL LINE - A broadband antenna is disclosed. The disclosed antenna may include: a substrate; an impedance matching/feeding unit, arranged on the substrate and comprising a first matching member and a second matching member configured to perform impedance matching through a coupling method; a radiating member electrically connected to the impedance matching/feeding unit; and a signal line electrically connected to the second matching member. Here, the signal line is implemented in the form of an electrical loop. | 02-23-2012 |
20120133562 | INTERNAL ANTENNA JOINED TO TERMINAL HOUSING - An internal antenna for attaching to a terminal housing is disclosed. The antenna includes: a perpendicular structure formed in a perpendicular direction to a substrate and positioned in contact with an inner wall of a housing; a first conductive member electrically connected to a power feed and joined to the perpendicular structure to extend in a perpendicular direction to the substrate; and a second conductive member electrically connected to a ground, joined to the perpendicular structure, and separated by a particular distance from the first conductive member to extend in a perpendicular direction to the substrate. The first conductive member is joined to the inner wall of the housing to extend in a first direction orthogonal to the perpendicular direction, and the second conductive member is joined to the inner wall of the housing to extend in the first direction at a particular distance from the first conductive member. | 05-31-2012 |
Patent application number | Description | Published |
20090096569 | Ceramic Component Element And Ceramic Component And Method For The Same - A ceramic component element is provided. The ceramic component element includes: an insulating ceramic base with pores formed on its surface and previously fired; and a functional ceramic sheet bonded to the insulating ceramic base and having electrical characteristics. The functional ceramic sheet is physically bonded to the insulating ceramic base by forming pressing a green sheet for the functional ceramic sheet on the insulating ceramic base at constant temperature and pressure so that parts of the green sheet are forced to put into the pores and anchored, and the functional ceramic sheet is chemically bonded to the insulating ceramic base by firing the anchored green sheet in such a manner that functional oxides of the green sheet penetrate the insulating ceramic base by solid diffusion to form a diffusion bonding layer. | 04-16-2009 |
20090209121 | Solderable Electric Contact Terminal - A solderable electric contact terminal includes; an insulating foam rubber having a predetermined volume; an insulating non-foam rubber coating layer adhered to the insulating foam rubber such that the insulating non-foam rubber encloses the insulating foam rubber; and a heat resistant polymer film having inner surface adhered to the insulating non-foam rubber coating layer such that the heat resistant polymer film encloses the insulating non-foam rubber coating layer, and outer surface on which a metal layer is integrally formed. | 08-20-2009 |
20100086777 | CONDUCTIVE PRESSURE SENSITIVE ADHESIVE TAPE - A conductive pressure sensitive adhesive tape is provided. The conductive pressure sensitive adhesive tape includes a first metal foil, a polymer film attached to a surface of the first metal foil with a polymer binder interposed therebetween, a second metal foil attached to a surface of the polymer film with a polymer binder interposed therebetween, and a polymer adhesive layer formed on a backside of at least one of the first and second metal foils. | 04-08-2010 |
20110188226 | SHIELD APPARATUS FOR EMI SHIELDING - A shield apparatus for EMI (ElectroMagnetic Interference) shielding is provided. The shield apparatus includes a case and a metal clip. The case is box-shaped with at least one open side, and has a recess defined from the open side into a sidewall. The metal clip is housed in the recess, and is resiliently inserted on the sidewall to retain a certain height. | 08-04-2011 |
20110206886 | MULTIPURPOSE ADHESIVE TAPE - A multipurpose adhesive tape with minimized curling is provided. The adhesive tape includes a base formed as a thin sheet, an adhesive attached to the reverse surface of the base, and a projection projecting along the length of the outer surface of the base within a portion of the width thereof. | 08-25-2011 |
20110266031 | ELASTIC ELECTRIC CONTACT TERMINAL - Disclosed is an elastic electric contact terminal including an elastic foam core having a sheet form, a non-foam rubber coating layer adhered to upper and lower surfaces of the elastic foam core and continued along any one side surface of the elastic foam core, and a heat-resistant polymer film, one side of which is adhered to the non-foam rubber coating layer in an enclosing manner and the other side of which is integrally formed with a metal layer. | 11-03-2011 |
20120322279 | SOLDERABLE ELASTIC ELECTRIC CONTACT TERMINAL - Provided is a solderable elastic electric contact terminal, which includes an elastic core having a height smaller than a width thereof, and including two or more through holes separately disposed therein and having a dumbbell shaped cross section, wherein the through holes extend along a longitudinal direction of the elastic core, an elastic rubber coating layer enveloping the elastic core to adhere thereto, and a heat-resistant polymer film having a surface adhered to the elastic rubber coating layer to envelop the elastic rubber coating layer, and another surface integrally formed with a metal layer. A top surface of the metal layer is horizontal for vacuum pickup. | 12-20-2012 |
20130008707 | METAL STRIP ASSEMBLY FOR EMI SHIELD CASE, EMI SHIELD CASE INCLUDING THE SAME, AND FABRICATION METHOD OF THE CASE - Provided is a metal strip for an electromagnetic interference shield case. The metal strip is uniform in width and thickness. A metal clip that is integrated with at least one pair of face-to-face elastic parts and is appropriate for soldering is fitted on an end of the metal strip along a width direction of the metal strip. The metal strip is bent and cut so as to have a shape corresponding to a ground pattern disposed on a printed circuit board, and then, a bottom surface of the metal clip is soldered to the ground pattern or a solder member disposed on the ground pattern. | 01-10-2013 |
20130037306 | MULTILAYER ELASTIC TUBE HAVING ELECTRIC PROPERTIES AND METHOD FOR MANUFACTURING THE SAME - A multilayer elastic tube having electric property, the multilayer elastic tube including: an elastic core having a tube shape; and an elastic rubber coating layer adhering to an inner surface of the core, the elastic rubber coating layer having at least one electric property of electric conductivity, piezoelectricity, and electric wave absorptiveness. The elastic rubber coating layer is formed by curing liquid elastic rubber having the electric property and adhering to the inner surface of the core, and has a closed loop shape to improve the electric property. | 02-14-2013 |
20130148318 | CLIP TERMINAL FOR FIXING CASE AND SHIELD APPARATUS USING THE SAME - A clip terminal soldered to and mounted on a circuit board, includes a connection part bent at an angle corresponding to that of a corner of a case and at least a pair of clips connected to each other by the connection part. The connection part and the clips are integrated with each other. The connection part has a width less than or equal to that of a solder pattern of the circuit board on which the clip terminal is soldered. A lower end of the corner of a sidewall of the case is fitted into the clips. | 06-13-2013 |
Patent application number | Description | Published |
20090325449 | MANUFACTURING DEVICE AND THE METHOD OF PREPARING FOR THE NANOFIBERS VIA ELECTRO BLOWN SPINNING PROCESS - The invention relates to a nanofiber web preparing apparatus and method via electro-blown spinning. The nanofiber web preparing method includes feeding a polymer solution, which is a polymer dissolved into a given solvent, toward a spinning nozzle, discharging the polymer solution via the spinning nozzle, which is charged with a high voltage, while injecting compressed air via the lower end of the spinning nozzle, and collecting fiber spun in the form of a web on a grounded suction collector under the spinning nozzle, in which both of thermoplastic and thermosetting resins are applicable, the solution does not need to be heated and electrical insulation is readily realized. | 12-31-2009 |
20100013127 | MANUFACTURING DEVICE AND THE METHOD OF PREPARING FOR THE NANOFIBERS VIA ELECTRO-BLOWN SPINNING PROCESS - The invention relates to a nanofiber web preparing apparatus and method via electro-blown spinning. The nanofiber web preparing method includes feeding a polymer solution, which is a polymer dissolved into a given solvent, toward a spinning nozzle, discharging the polymer solution via the spinning nozzle, which is charged with a high voltage, while injecting compressed air via the lower end of the spinning nozzle, and collecting fiber spun in the form of a web on a grounded suction collector under the spinning nozzle, in which both of thermoplastic and thermosetting resins are applicable, the solution does not need to be heated and electrical insulation is readily realized. | 01-21-2010 |
20120256355 | MANUFACTURING DEVICE AND THE METHOD OF PREPARING FOR THE NANOFIBERS VIA ELECTRO-BLOWN SPINNING PROCESS - The invention relates to a nanofiber web preparing apparatus and method via electro-blown spinning. The nanofiber web preparing method includes feeding a polymer solution, which is a polymer dissolved into a given solvent, toward a spinning nozzle, discharging the polymer solution via the spinning nozzle, which is charged with a high voltage, while injecting compressed air via the lower end of the spinning nozzle, and collecting fiber spun in the form of a web on a grounded suction collector under the spinning nozzle, in which both of thermoplastic and thermosetting resins are applicable, the solution does not need to be heated and electrical insulation is readily realized. | 10-11-2012 |