Patent application number | Description | Published |
20100045556 | Multiband Monopole Slot Antenna - The present invention discloses a multiband monopole slot antenna. The antenna comprises a ground plane, a dielectric substrate, a radiating portion, and a microstrip feedline. The dielectric substrate is connected to an edge of the ground plane and extends toward the opposite direction of the ground plane. The radiating portion is on the metal surface of the dielectric substrate and comprises a first monopole slot, a second monopole slot and a third monopole slot. The microstrip feedline is on the surface opposite to the metal surface of the dielectric substrate. A first end of the microstrip feedline is connected to a signal source, and a second end of the microstrip feedline is an open end. The microstrip feedline passes over the first, second, and third monopole slots. A section of the microstrip feedline which passes over the third monopole slot is parallel to the third monopole slot, and the microstrip feedline is generally of a step shape. | 02-25-2010 |
20100149065 | Multiband Antenna - A multiband antenna comprises a ground plane, a substrate, and a radiating metal element, wherein a side of the substrate is substantially adjacent to a side of the ground plane; the radiating metal element is on a surface of the substrate. The radiating metal element comprises a radiating portion having a slit, a shorting portion having a first end electrically connected to the radiating portion and a second end electrically connected to the ground plane, and a feeding portion; the feeding portion comprises an antenna feeding point for electrically connecting to a signal source, wherein a first spacing is formed between the feeding portion and the radiating portion, and a second spacing is formed between the feeding portion and the shorting portion. | 06-17-2010 |
20100309063 | MOBILE COMMUNICATION DEVICE - The present invention is related to a mobile communication device. The device comprises a dielectric substrate, a first ground plane, an antenna element, a second ground plane, and an equivalent band-stop circuit. The first ground plane is disposed on the dielectric substrate. The antenna element is disposed on the dielectric substrate or nearby the dielectric substrate and is connected to a signal source disposed on the dielectric substrate. The second ground plane is disposed nearby one edge of the first ground plane and is connected to the first ground plane through a metal strip. The equivalent band-stop circuit is disposed on the second ground plane and includes a slit and a capacitive element. The open end of the slit is near the metal strip. The capacitive element is mounted across the slit. | 12-09-2010 |
20100309070 | MULTIBAND SINGLE-STRIP MONOPOLE ANTENNA - A multiband single-strip monopole antenna includes a dielectric substrate, a ground plane, and a radiating portion. The ground plane is disposed on one surface of the dielectric substrate without completely covering the surface of the dielectric substrate. The radiating portion is disposed on the surface of the dielectric substrate without overlapping the ground plane, and is internally embedded with an inductive element, via which a continuous path through the inductive element is formed between a start point and an open end of the radiating portion. Since the inductive element can compensate for an increased capacitive reactance caused by a reduced antenna length, good antenna matching can still be achieved even when the size of the antenna is reduced. | 12-09-2010 |
20100328182 | Multiband Antenna - The present invention discloses a multiband antenna. The antenna comprises a ground plane, a dielectric substrate and a radiating metal portion. The dielectric substrate is located at one side edge of the ground plane. The radiating metal portion is disposed on one surface of the dielectric substrate and comprises a first metal portion and a second metal portion. The first metal portion is substantially of an L-shape. One end of the first metal portion is adjacent to the side edge of the ground plane and is the antenna's feeding point connected to a signal source, and the other end of the first metal portion is an open end. The second metal portion comprises a U-shape portion. The second metal portion comprises a first open end and a second open end, which are respectively located on two opposite sides of the open end of the first metal portion. The first open end has a first coupling gap between the first open end and the open end of the first metal portion; and the second open end has a second coupling gap between the second open end and the open end of the first metal portion. The second metal portion is further short-circuited to the ground plane by a shorting metal line. | 12-30-2010 |
20110102272 | Mobile Communication Device and Antenna Thereof - The present invention is related to a mobile communication device comprising a ground plane and an antenna. The antenna is disposed on one surface of a dielectric substrate. The antenna comprises a first radiating metal portion and a second radiating metal portion. The first radiating metal portion has at least one bending. One end of the first radiating metal portion is a feeding point of the antenna and the other end is left open. One end of the second radiating metal portion is short-circuited to the ground plane, and the other end is left open. A length of the second radiating metal portion is 0.75 to 1.25 times that of the first radiating metal portion. At least a portion of the second radiating metal portion is extended along the first radiating metal portion with a gap of less than a specified distance therebetween. | 05-05-2011 |
20110156958 | Mobile Communication Device - The present invention relates to a mobile communication device comprising a ground plane, a dielectric substrate, and an antenna. The antenna is disposed on one surface of the dielectric substrate and comprises a radiating portion, a feeding portion, and a shorting portion. The radiating portion comprises a first radiating portion and a second radiating portion. The first radiating portion has at least one bending. One end of the first radiating portion is left open. The second radiating portion is a shunt metal strip. Both ends of the second radiating portion are electrically connected to the first radiating portion such that the second radiating portion forms a closed loop with a segment of the first radiating portion. The feeding portion couples the electromagnetic energy to the radiating portion through a coupling gap, and one end of the feeding portion is the antenna's feeding point. One end of the shorting portion is electrically connected to the radiating portion, and the other end of the shorting portion is electrically connected to the ground plane. | 06-30-2011 |
20110156970 | Folder-type Mobile Communication Device - The present invention is related to a folder-type mobile communication device. The device comprises a first dielectric substrate, a first ground plane disposed on the first dielectric substrate, a second dielectric substrate, a second ground plane disposed on the second dielectric substrate, an antenna element, a metal line, and a band-stop circuit. The antenna element is located near the first ground plane and is electrically connected to a source on the first dielectric substrate. The second ground plane is electrically connected to the first ground plane through the metal line. The band-stop circuit is located either on the first ground plane or on the second ground plane. The band-stop circuit includes a slit, a capacitive element, and an inductive element. The slit is near the metal line. The capacitive element is electrically connected to the two sides of the slit, and the inductive element is electrically connected to the two sides of the slit such that the inductive element and the capacitive element form a parallel LC resonant circuit. Therefore, the band-stop circuit generates a parallel resonance at a specified frequency. | 06-30-2011 |
20110215972 | Slim Mobile Communication Device and Antenna Structure thereof - A slim mobile communication device includes an antenna structure. The antenna structure includes a dielectric substrate, a ground element, an antenna element, and a feeding line. The antenna element is a planar structure and is disposed on a no-ground portion of the dielectric substrate. At least two edges of the no-ground portion are surrounded by a ground element of the dielectric substrate, wherein one of the edges used as a feeding edge and the other edges are non-feeding edges. A distance between the non-feeding side edge of the antenna element and the second edge of the no-ground portion is smaller than 3 mm. A length of the non-feeding side edge of the antenna element is at least 5 mm. The non-feeding side edge of the antenna element is short-circuited to the ground element. The feeding line is coupled to the feeding side edge of the antenna element. | 09-08-2011 |
20110223858 | Mobile Communication Device with Low Near-Field Radiation and Related Antenna Structure - A mobile communication device includes an antenna structure. The antenna structure includes a circuit board; a ground plane disposed on the second surface of the circuit board and includes a first side edge and a second side edge; an antenna element disposed on the first surface of the circuit board or placed near the circuit board, and includes a first operating band and a second operating band; and a first inductively-coupled element, located near the first side edge of the ground plane, and includes a metal plate and an inductive element, wherein the metal plate is electrically connected to the ground plane through the inductive element. The first inductively-coupled element generates a resonant mode at a specific frequency within the second operating band to reduce a surface current excitation on the ground plane and reduce near-field E-field and H-field strengths of the mobile communication device within the second operating band. | 09-15-2011 |
20110227806 | Mobile Communication Device and Antenna Structure - A mobile communication device and an antenna structure are provided. The mobile communication device includes an antenna structure having a dielectric substrate and an antenna. The dielectric substrate comprises a ground portion, a first non-ground portion, and a second non-ground portion. The ground portion further includes a main ground and a protruded ground. The protruded ground is electrically connected to the main ground and extends between the first non-ground portion and the second non-ground portion, such that the first non-ground portion and the second non-ground portion are separated by the protruded ground. One edge of the protruded ground aligns with one edge of the dielectric substrate. The antenna is a planar structure located on the dielectric substrate. The antenna includes a feeding portion and a radiating portion. The feeding portion is located in the first non-ground portion. The radiating portion extends over the protruded ground, and has a first end located in the first non-ground portion and electrically connected to the main ground, and a second end of the radiating portion is located in the second non-ground portion and electrically connected to the main ground. There is a coupling gap between the radiating portion and the feeding portion in the first non-ground portion, and the radiating portion is excited by the capacitive coupling effect from the feeding portion. | 09-22-2011 |
20110267237 | Dual-band Mobile Communication Device and Antenna Structure Thereof - A dual-band mobile communication device includes a ground plane and an antenna. The antenna is located on a dielectric substrate and includes a feeding portion and a shorted radiating portion. One end of the feeding portion is a feeding point of the antenna. The A length of the shorted radiating portion is at least twice that of the feeding portion. One A first end of the shorted radiating portion, electrically connected to the ground plane, is a shorting end, and the other second end of the shorted radiating portion is an open end. The shorted radiating portion includes multiple bendings which form multiple fractional sections, wherein the open end of the shorted radiating portion extends toward a first fractional section of the shorting end of the shorted radiating portion. A coupling gap is existed between a second fractional section of the open end of the shorted radiating portion and the feeding portion. | 11-03-2011 |
20120098721 | Mobile Communication Device and Antenna - A mobile communication device is provided. The mobile communication device includes a system circuit board with a surface, a ground plane having a monopole slot on the surface, a microstrip feedline, and a metal element, wherein the ground plane has a longer edge and a shorter edge. The monopole slot has a first operating band and a second operating band. The microstrip feedline is located on the system circuit board, wherein one end of the microstrip feedline passes over the monopole slot, and the other end of the microstrip feedline is connected to a signal source. The metal element is electrically connected to the shorter edge of the ground plane, and is substantially perpendicular to the ground plane. A distance between the open end of the monopole slot and the shorter edge of the ground plane where the metal element is connected is shorter than 0.05 wavelength of the lowest operating frequency of the first operating band. | 04-26-2012 |
20120105292 | Communication Device and Antenna Thereof - A communication device is provided, including a ground element, a substrate and an antenna. The substrate is adjacent to the ground element. The antenna provides a first band and a second band, and the antenna is disposed on the substrate. The antenna includes a radiator, a feed conductor, a capacitor unit and a short-circuiting unit. An end of the feed conductor is connected to a signal source, and another end of the feed conductor is electrically connected to the radiator. The capacitor unit is disposed on the feed conductor. The short-circuiting unit includes a first short-circuiting path and a second short-circuiting path, wherein the first and a second short-circuiting paths electrically connect the radiator to the ground element, the first short-circuiting path has a first path length, the second short-circuiting path has a second path length, and the first and second path lengths are longer than 0.05 times that of a wavelength of a lowest frequency of the first band. | 05-03-2012 |
20140043202 | COMMUNICATION DEVICE AND ANTENNA SYSTEM THEREIN - A communication device including a first conductive plate and an antenna system is provided. The antenna system includes a first antenna, a second antenna, a ground plane, and an open slot. Both the first antenna and the second antenna operate in at least a first band and a second band. The ground plane substantially has an inverted-T shape, and includes a main ground plane and a protruded ground plane. The main ground plane is coupled to the first conductive plate. The protruded ground plane is substantially located between the first antenna and the second antenna. The open slot is formed on the ground plane, and an open end of the open slot is located at an edge of the protruded ground plane. The open slot increases the isolation between the first antenna and the second antenna in the first band and the second band. | 02-13-2014 |
20140078018 | COMMUNICATION DEVICE AND ANTENNA SYSTEM WITH HIGH ISOLATION - A communication device including a ground element and an antenna system is provided. The antenna system is adjacent to the ground element. The antenna system includes at least a first antenna, a second antenna, a connection element, and a resistive element. The second antenna is adjacent to the first antenna. The connection element includes a first portion and a second portion, wherein the first portion is coupled to the first antenna, and the second portion is coupled to the second antenna. The resistive element is coupled between the first portion and the second portion of the connection element. The connection element and the resistive element increase the isolation between the first antenna and the second antenna. | 03-20-2014 |
Patent application number | Description | Published |
20100214179 | MULTIBAND ANTENNA AND COMMUNICATION DEVICE HAVING THE SAME - A multiband antenna for a communication device is disclosed. The multiband antenna comprises a dielectric substrate, a ground portion, and a radiating metal portion. The dielectric substrate comprises two surfaces. The ground portion comprises a first ground plane, a second ground plane, and a connecting metal strip. The first ground plane is on one of the surfaces of the dielectric substrate and has a first connecting point and a shorting point. The second ground plane is near the first ground plane and has a second connecting point. At least one part of the connecting metal strip is on one surface of the dielectric substrate. The connecting metal strip has one end connected to the first connecting point and the other end connected to the second connecting point. The radiating metal portion is connected to the dielectric substrate, without overlapping the first ground plane. The radiating metal portion comprises a radiating section having one end connected to the shorting point and the other end as an open end; and a feeding section having one end connected to a signal source and the other end as an open end, wherein the open end of the feeding section has a spacing of less than 3 mm to the radiating portion. | 08-26-2010 |
20110018783 | Shorted Monopole Antenna - The present invention discloses a shorted monopole antenna comprising a dielectric substrate, a ground plane, a radiating portion, a feeding portion, a shorting portion, and a capacitive element. The ground plane is disposed on a portion of the dielectric substrate. The radiating portion comprises a first metal portion and a second metal portion and is located on the dielectric substrate, without overlapping with the ground plane. The first metal portion comprises a coupling section formed by bending the front portion of the first metal portion into two adjacent sections with a coupling gap. The length of the first metal portion is larger than one-eighth of the wavelength of the central frequency of the antenna's lower band. A first end of the second metal portion is electrically connected to the first metal portion. A second end of the second metal portion is open-ended. The feeding portion is disposed on the dielectric substrate, without overlapping with the ground plane. A first end of the feeding portion is electrically connected to the first metal portion. A second end of the feeding portion is the antenna's feeding point. The shorting portion is disposed on the dielectric substrate, without overlapping with the ground plane. A first end of the shorting portion is electrically connected to the first metal portion. A second end of the shorting portion is connected to the ground plane. The capacitive element is disposed on the dielectric substrate and overlaps with the ground plane. A first end of the capacitive element is electrically connected to the antenna's feeding point. A second end of the capacitive element is electrically connected to a source. | 01-27-2011 |
20110084883 | Mobile Communication Device and Antenna Thereof - The present invention is related to a mobile communication device. The device has a ground plane and an antenna. The antenna is disposed on a dielectric substrate and comprises a radiating metal portion, a coupling metal portion, and a shorting metal portion. One edge of the radiating metal portion faces the ground plane and has a distance between the edge and the ground plane. The coupling metal portion is electrically connected to a source via a connecting metal strip. One end of the shorting metal portion is electrically connected to the radiating metal portion, and the other end of the shorting metal portion is electrically connected to the ground plane. | 04-14-2011 |
20110095949 | Multiband Mobile Communication Device and Antenna Thereof - The present invention is related to a multiband mobile communication device. The mobile communication device has a ground plane and an antenna. The antenna is disposed on a dielectric substrate. The antenna comprises a monopole, a shorted radiating portion, a first radiating branch, and a second radiating branch. The monopole comprises a feeding end, and the feeding end is the feeding point of the antenna. The shorted radiating portion has a shorting end electrically connected to the ground plane, and its other end is left open. The shorted radiating portion is extended along the monopole and has a coupling gap to the monopole. The first radiating branch has an end electrically connected to the shorted radiating portion, and its other end is left open. The first radiating branch is extended toward the shorting end of the shorted radiating portion and located on the opposite side of the monopole. The second radiating branch has an end electrically connected to the shorted radiating portion, and its other end is left open. The second radiating branch is extended along the first radiating branch, with the first radiating branch located between the second radiating branch and the shorted radiating portion. | 04-28-2011 |
20110187606 | Dual-Band Mobile Communication Device and Antenna Structure Thereof - A dual-band mobile communication device includes a circuit board, a ground plane, an antenna element, and a dual-band inductively-coupled element. The ground plane has an edge. The antenna element is located on the circuit board or adjacent to the circuit board. The antenna element has a first operating band and a second operating band. The dual-band inductively-coupled element is located at the edge of the ground plane. The dual-band inductively-coupled element excites two different resonant modes at two specific frequencies corresponding to the first and the second operating bands of the antenna element, respectively. The dual-band inductively-coupled element comprises a connection element, an inductive element, a first metal plate, and a second metal plate. The first metal plate is electrically connected to the ground plane through the connection element. The second metal plate is electrically connected to the inductive element. | 08-04-2011 |
Patent application number | Description | Published |
20080291100 | DUAL-BAND LOOP ANTENNA - A dual-band loop antenna for using in a mobile phone for (890˜960 MHz)/DCS(1710˜1880 MHz) application is disclosed to include a ground plane in a substantially rectangular shape having a grounding point and a shorting point, a radiating metallic loop having a feeding end and a shorting end electrically connected to the shorting point of the ground plane and spaced from the feeding end at a predetermined distance, and a radiating metallic plate surrounded by the radiating metallic loop and having one end electrically connected to a vicinity around the shorting end of the radiating metallic loop and spaced from the shorting end of the radiating metallic loop at a distance less than 10 mm. | 11-27-2008 |
20090184874 | MULTI-BAND ANTENNA - A multi-band antenna, it comprises: a grounding surface, a supporting base and a radiative metallic portion; the grounding surface has a first shorting point and a second shorting point; the radiative metallic portion is attached to a bottom surface of the supporting base, and includes: a first radiative metallic wire, a radiative metallic sheet, a second radiative metallic wire and a parasitic radiative metallic arm. One end point of the first radiative metallic wire is a feeding end for the antenna, while the other end point is electrically connected to the first shorting point of the grounding surface; the radiative metallic sheet is electrically connected to a section of the first radiative metallic wire; the second radiative metallic wire is surrounded by the first radiative metallic wire, of which one end point is electrically connected to the first radiative metallic wire; one end point of the parasitic radiative metallic arm is electrically connected to the second shorting point of the grounding surface. | 07-23-2009 |
20090256763 | Multiband folded loop antenna - The present invention relates to a multiband folded loop antenna comprising a dielectric substrate, a ground plane, a radiating portion and a matching circuit. The ground plane is located on the dielectric substrate and has a grounding point. The radiating portion comprises a supporter, a loop strip, and a tuning patch. The loop strip has a length about half wavelength of the antenna's lowest resonant frequency. The loop strip has a feeding end and a grounding end, with the grounding end electrically connected to the grounding point on the ground plane. The loop strip is folded into a three-dimensional structure and is supported by the supporter. The tuning patch is electrically connected to the loop strip. The matching circuit is located on the dielectric substrate with one terminal electrically connected to the feeding end of the loop strip and another terminal to a signal source. | 10-15-2009 |
20090273530 | Couple-fed multi-band loop antenna - The present invention is related to a coupled-fed multi-band loop antenna. The antenna comprises a dielectric substrate, a ground plane located on the dielectric substrate and has a grounding point, a radiating portion which comprise a supporter, a coupling trip and a loop strip, and a matching circuit. The coupling strip and loop strip are both located on the supporter, with the coupling strip surrounded by the loop strip. The length of loop strip is about 0.25 wavelength of the antenna's first resonant mode. The loop strip has a first end paralleling with the coupling loop, a second end and a shorting point near the second end and electrically connected to the grounding point on the ground plane. The matching circuit is on the dielectric substrate. One terminal of the matching circuit is connected to the coupling strip, and the other is connected to a signal source. | 11-05-2009 |
20110122027 | MOBILE COMMUNICATION DEVICE - A mobile communication device includes a ground plane and an antenna. The antenna is disposed on a dielectric substrate and includes a radiating metal portion, a coupling metal portion, and an inductive shorting metal portion. The radiating metal portion provides a resonant path for the antenna to generate first and second operating bands. The coupling metal portion is coupled to the radiating metal portion to form a first coupling portion and is connected to a source through a connecting metal strip. One end of the inductive shorting metal portion is electrically connected to the radiating metal portion, and the other end is electrically connected to the ground plane. The inductive shorting metal portion includes a first fractional section coupled to the radiating metal portion to form a second coupling portion, and a second fractional section coupled to the coupling metal portion to form a third coupling portion. | 05-26-2011 |
20110260927 | MOBILE COMMUNICATION DEVICE - A mobile communication device comprises a dielectric substrate and an antenna. The dielectric substrate has a ground region, a first no-ground region and a second no-ground region. The ground region comprises a primary ground plane and a protruded ground plane. The protruded ground plane is electrically connected to the primary ground plane and extends between the first no-ground region and the second no-ground region, such that the protruded ground plane separates the first no-ground region from the second no-ground region. The antenna comprises a first radiating portion and a second radiating portion. The first radiating portion is disposed in the first no-ground region. The start terminal of the second radiating portion is disposed in the second no-ground region. The second radiating portion extends and crosses over the protruded ground plane such that the end terminal of the second radiating portion is disposed in the first no-ground region. | 10-27-2011 |
20120001815 | Multiband Antenna and Method for an Antenna to be Capable of Multiband Operation - A multiband antenna having a ground plane and a radiating portion is provided. The radiating portion includes a first metal portion, a second metal portion, an inductively-coupled portion and a third metal portion. The first metal portion has a first coupling metal portion and a signal feeding line electrically connected thereto. The second metal portion has a second coupling metal portion and a shorting metal portion electrically connected thereto with a shorting point connected to the ground plane. The first and second coupling metal portions are coupled and a capacitively-coupled portion is formed therebetween. The inductively-coupled portion is connected between the third and second metal portions. The first and second metal portions enable the antenna to generate a first operating band. The first, second and third metal portions enable the antenna to generate a second operating band, the frequencies of which are lower than those of the first operating band. | 01-05-2012 |
20120188135 | COMMUNICATION DEVICE AND ANTENNA STRUCTURE THEREIN - A communication device including an antenna structure is provided, wherein the antenna structure includes a ground element, an antenna element, and a circuit element group. The ground element has a notch at one of its edges, and a long edge of the notch is at least two times longer than a short edge of the notch. The antenna element includes a metal portion disposed in the notch. Two ends of the metal portion are extended away from each other and are positioned substantially at or around two opposite edges of the notch. One end of the metal portion is coupled to the ground element, and the other end of the metal portion is a feeding terminal of the antenna element. The circuit element group includes at least a capacitive element and an inductive element. | 07-26-2012 |
20130016013 | MOBILE COMMUNICATION DEVICE AND ANTENNA DEVICEAANM Wong; Kin-LuAACI Kaohsiung CityAACO TWAAGP Wong; Kin-Lu Kaohsiung City TWAANM Kang; Ting-WeiAACI Kaohsiung CityAACO TWAAGP Kang; Ting-Wei Kaohsiung City TWAANM Hsieh; Shih-WeiAACI Taipei CityAACO TWAAGP Hsieh; Shih-Wei Taipei City TWAANM Chen; Wei YuAACI New Taipei CityAACO TWAAGP Chen; Wei Yu New Taipei City TW - A mobile communication device for operating in LTE and WWAN bands is provided in the invention. The mobile communication device includes a system circuit board and an antenna. The system circuit board includes a system ground plane. The antenna includes: an antenna substrate, substantially parallel to the system ground plane; a first radiation element, disposed on the antenna substrate; a second radiation element, disposed on the antenna substrate; an antenna ground plane, disposed on the antenna substrate, and coupled to the system ground plane; and a transmission line, disposed on the antenna substrate, coupled to the first and second radiation elements, and having a feed point. The mobile communication device is further configured to accommodate a data transmission component. | 01-17-2013 |
20130169497 | COMMUNICATION DEVICE AND ANTENNA STRUCTURE THEREIN - A communication device includes an antenna structure, wherein the antenna structure includes a ground element and an antenna element. One edge of the ground element has a notch, and the notch is extended into the interior of the ground element to form a slot region. The slot region is substantially extended along the edge of the ground element. The antenna element includes a first radiating portion and a second radiating portion. The first radiating portion is disposed in the slot region and is excited to form at least a resonant mode in the first operating band of the antenna element. The second radiating portion is an open-slot antenna and is formed by the slot region. The second radiating portion is excited to form a resonant mode in the second operating band of the antenna element. | 07-04-2013 |
20130241784 | COMMUNICATION DEVICE AND TUNABLE ANTENNA ELEMENT THEREIN - A communication device includes a ground element, an antenna element, a circuit element group, and a communication module. The antenna element is a loop antenna. One end of the antenna element is a grounding end coupled to the ground element, and the other end of the antenna element is a feeding end close to the grounding end. The circuit element group includes at least two separate circuit element sub-groups. The communication module is coupled to the circuit element group. One of the circuit element sub-groups of the circuit element group is selectively coupled to the feeding end so as to make the antenna element operate in different communication bands. | 09-19-2013 |
20130257660 | COMMUNICATION DEVICE WITH CONDUCTIVE HOUSING AND ANTENNA ELEMENT THEREIN - A communication device with an upper cover and a lower cover including a conductive housing and an antenna element is provided. The conductive housing includes a first conductive surface and a second conductive surface. The first conductive surface is disposed on a surface of the upper cover. The second conductive surface is disposed on a surface of the lower cover. The first conductive surface and the second conductive surface are electrically coupled to each other, and a first edge of the first conductive surface is adjacent to a second edge of the second conductive surface. The antenna element is substantially disposed between the first edge and the second edge, and is excited to form a first band and a second band. The antenna element includes a ground element, a first radiating element, and a second radiating element. | 10-03-2013 |
20130300615 | COMMUNICATION DEVICE AND ANTENNA STRUCTURE THEREIN - A communication device including a multilayer circuit board and an antenna structure therein is provided. The multilayer circuit board has at least a first plane, a second plane, and a third plane. A ground plane is disposed on one of the planes, and the ground plane is in proximity to a clearance region of the multilayer circuit board. An antenna structure is disposed in the clearance region. The antenna structure includes a first metal portion and a second metal portion. The first metal portion is coupled to a signal source through a feeding portion. The second metal portion includes at least a first line segment and a second line segment. The first line segment and the second line segment are disposed respectively on any two planes of the multilayer circuit board. The first metal line and the second metal line forms a loop structure through two conductive vias. | 11-14-2013 |
20130300625 | COMMUNICATION DEVICE AND MIMO (MULTI-INPUT MULTI-OUTPUT) ANTENNA SYSTEM THEREIN - A communication device including a ground plane and an antenna system is provided. The antenna system includes at least two antennas, which are both located at a first edge of the ground plane and operate in at least a first band. The ground plane has at least one slit, and an open end of the slit is located at a second edge adjacent to the first edge. The open end of the slit has a distance of at least 0.2 wavelength of a frequency in the first band to the first edge. When the antenna system operates in the first band, the slit can attract excited surface currents on the ground plane, thereby causing weaker surface currents flowing along the first edge of the ground plane. The coupling between the at least two antennas in the antenna system is hence decreased. | 11-14-2013 |
20130314293 | COMMUNICATION DEVICE AND ANTENNA SYSTEM THEREIN - A communication device including a first conductive plane and an antenna system is provided. The antenna system includes at least a first antenna, a second antenna and a ground plane, and the antenna system is located at a first edge of the first conductive plane. Both the first antenna and the second antenna operate in at least a first band. The ground plane substantially has an inverted T-shape and includes a main ground plane and a protruded ground plane. The main ground plane is coupled to the first conductive plane. The protruded ground plane is located between the first antenna and the second antenna. The ground plane has at least a first slot. A portion of the first slot is located in the protruded ground plane, and two closed ends of the first slot are located in the main ground plane and extend away from each other. | 11-28-2013 |
20130342417 | COMMUNICATION DEVICE AND ANTENNA ELEMENT THEREIN - A communication device including an antenna element, a ground element and a battery element is provided. The ground element has a short edge as a first edge and a long edge as a second edge. The antenna element is close to the first edge or at a dented section of the first edge. There is a notch in the ground element, and an open edge of the notch is at the second edge. The length of the notch is at least 0.3 times the maximum length of the ground element, and the width of the notch is at least 0.4 times the maximum width of the ground element. | 12-26-2013 |
20130342425 | COMMUNICATION DEVICE AND ANTENNA SYSTEM THEREIN - A communication device including a supporting plate and an antenna system is provided. The supporting plate includes a conductive plate and a non-conductive plate. The conductive plate has a first edge and a second edge. The antenna system includes at least two antennas, which are both disposed at the first edge of the conductive plate and operate in at least a first band. A distance between the first edge and the second edge of the conductive plate is about 0.25 wavelength of the lowest frequency in the first band, and the distance is smaller than a length of the first edge. | 12-26-2013 |
20140078009 | COMMUNICATION DEVICE AND ANTENNAS WITH HIGH ISOLATION CHARACTERISTICS - The present invention is related to a communication device which includes a ground element and an antenna system. The ground element includes a main ground plane and a protruded ground plane. The antenna system includes a first antenna and a second antenna. The first antenna includes a metal radiation element and is adjacent to the main ground plane of the ground element. The second antenna is a slot antenna and is formed in the protruded ground plane of the ground element. The protruded ground plane is adjacent to the first antenna. | 03-20-2014 |
20140085158 | COMMUNICATION DEVICE AND ANTENNAS WITH HIGH ISOLATION CHARACTERISTICS - A communication device includes a system circuit board, a ground plane, a first antenna, a second antenna, a first metal element, and a second metal element. The ground plane is disposed on the system circuit board. The first metal element is substantially located between the first antenna and the second antenna. The first metal element is coupled to the ground plane such that a system ground plane is formed. The second metal element is adjacent to the first metal element and substantially located between the first antenna and the second antenna. The second metal element is coupled to the system ground plane. The first antenna, the second antenna, and the first metal element are substantially located at an edge of the system circuit board. | 03-27-2014 |
20140085159 | COMMUNICATION DEVICE AND METHOD FOR DESIGNING ANTENNA ELEMENT THEREOF - A communication device including a ground plane and an antenna element is provided. An edge of the ground plane is embedded with a notch, which has at least a first edge and a second edge. The antenna element, disposed at the notch, has at least a first operating frequency band and a second operating frequency band. The antenna element includes a first conductive portion and a second conductive portion. The first conductive portion has a starting terminal, electrically coupled to the first edge of the notch through a signal source, as a feeding terminal of the antenna element. A capacitive coupling portion is formed between an end terminal of the first conductive portion and the ground plane. The second conductive portion has a shorting terminal electrically coupled or connected to the second edge of the notch. | 03-27-2014 |
20140097994 | COMMUNICATION DEVICE AND TUNABLE ANTENNA ELEMENT THEREIN - A communication device includes a ground element and an antenna element. The antenna element includes a first radiation element, a second radiation element, and a control circuit. One end of the first radiation element is coupled to a signal source, and another end of the first radiation element is an open end. The second radiation element includes at least a first portion and a second portion. A first end of the first portion is a shorted end coupled to the ground element, and a fourth end of the second portion is an open end. The second radiation element surrounds the open end of the first radiation element. The control circuit is coupled between a second end of the first portion and a third end of the second portion of the second radiation element. The control circuit provides at least two different impedances. | 04-10-2014 |
20140125536 | COMMUNICATION DEVICE AND WIDE-BAND ANTENNA ELEMENT THEREIN - A communication device including a ground element and an antenna element is provided. The antenna element is disposed adjacent to the ground element. The antenna element includes a first radiation element and a second radiation element. The first radiation element includes a first portion and a second portion. The first portion is coupled through an inductive element to the second portion. The first portion is coupled to a signal source. The second portion includes a plurality of bends such that a coupling gap is formed between an open end of the second portion and the first portion. The second radiation element has a shorted end and an open end. The shorted end of the second radiation element is coupled to the ground element. The second radiation element extends and at least partially surrounds the first radiation element. | 05-08-2014 |
20140139392 | COMMUNICATION DEVICE - A communication device including a first antenna, a second antenna, a ground element, and an isolation element is provided. The ground element is coupled to a conductive plane. The isolation element is disposed between the first antenna and the second antenna and includes a first portion and a second portion. A first end of the first portion and a first end of the second portion are respectively coupled to the ground element, and a second end of the first portion is spaced apart a coupling distance from a second end of the second portion. | 05-22-2014 |
20140145900 | COMMUNICATION DEVICE AND RECONFIGURABLE ANTENNA ELEMENT THEREIN - A communication device including a ground element, an antenna element and a switching unit is provided. The antenna element is substantially a loop antenna and includes a first part, a second part and a third part. The second part includes (N−1) bends for forming N connection sections. The third part includes (P−1) bends for forming P ground sections. The N connection sections are connected in series between a first end of a first ground section and the first part. A second end of an i | 05-29-2014 |
20140218243 | COMMUNICATION DEVICE WITH TUNABLE GROUND PLANE ANTENNA ELEMENT - A communication device including a ground element and an antenna element is provided. The ground element has a first edge and a second edge, wherein the first edge is substantially perpendicular to the second edge. The antenna element is disposed adjacent to the first edge of the ground element. The ground element is coupled to a circuit module. The circuit module includes at least two reactive circuits, such that the antenna element is selectively operated in a first band or a second band. The antenna element and the ground element form an unsymmetrical dipole antenna structure. The longest current path length of the antenna element is less than 0.3 times the length of the second edge. | 08-07-2014 |
Patent application number | Description | Published |
20120218151 | Mobile Communication Device and Antenna Structure Therein - A mobile communication device having an antenna structure includes a grounding element and an antenna element. The antenna element includes an antenna ground plane, a radiation portion, and a shorted radiation portion, wherein the antenna ground plane is grounded to the grounding element. The radiation portion includes a signal feeding point, a first radiation section, and a second radiation section. First and second radiation sections are connected to the signal feeding point, and are extended toward the same direction. First end of the shorted radiation portion is electrically connected to the antenna ground plane, and second end is left open. There is a coupling gap between a designated section of the radiation portion close to the first end and the shorted radiation portion. Through the coupling gap, the shorted radiation portion is capacitively excited by the radiation portion and generates at least one resonant mode to increase antenna's operating bandwidth. | 08-30-2012 |
20120218163 | MOBILE COMMUNICATION DEVICE AND ANTENNA STRUCTURE THEREOF - A mobile communication device having an antenna structure includes a grounding element and an antenna element. The grounding element includes a main ground and a protruded ground being connected to an edge of the main ground. Antenna element includes a feeding portion and a radiating portion. The feeding portion includes a feeding point, a first strip and a second strip. The first strip and the second strip are both connected to the feeding point. The radiating portion includes a first open end, a second open end and a shorting point which is connected to the protruded ground by a short-circuiting strip. There is a first coupling gap between the first strip and a first section of the radiating portion having the first open end. There is a second coupling gap between the second strip and a second section of the radiating portion having the second open end. | 08-30-2012 |
20120256802 | COMMUNICATION ELECTRONIC DEVICE AND ANTENNA STRUCTURE THEREOF - A communication electronic device which comprises a grounding element and a slot antenna is provided. The slot antenna is formed by a feeding element, a first slot, a second slot, and a third slot. The first slot is an open slot, which has an open end at the first side edge and a closed end extended toward the interior of the electrical conductor. The second slot is an open slot, which also has an open end at the first side edge and a closed end extended toward the interior of the electrical conductor. The second slot is substantially parallel to the first slot and is closer than the first slot to the grounding element. The third slot is a closed slot, whose two closed ends are all in the interior of the electrical conductor. The third slot is aligned between the first slot and the second slot. | 10-11-2012 |
20120262352 | Mobile Communication Device and Antenna Structure Therein - A mobile communication device includes an antenna structure which includes a grounding element and an antenna element. There is a notch at an edge of the grounding element. The antenna element is disposed in the notch and includes a metal loop portion and a monopole antenna. The metal loop portion is electrically connected to the grounding element with at least one shorting point, such that a short-circuited closed metal loop is formed. The monopole antenna has a first end and a second end, wherein the first end of the monopole antenna is a feeding point connected to a signal source, and the second end of the monopole antenna is an open end surrounded by the closed metal loop. | 10-18-2012 |
20130033410 | COMMUNICATION ELECTRONIC DEVICE AND ANTENNA STRUCTURE THEREIN - A communication electronic device includes an antenna structure at least having a grounding element and an antenna element. One edge of the grounding element has a notch, and the antenna element is disposed in the notch of the grounding element. The antenna element includes a feeding portion and a shorting portion, wherein the feeding portion at least includes a first segment, a second segment, and a third segment. There is a first coupling gap between the second segment of the feeding portion and a first shorting segment of the shorting portion which includes an open end of the shorting portion. There is a second coupling gap between the third segment of the feeding portion and a second shorting segment of a shorting portion which includes the shorting end of the shorting portion. | 02-07-2013 |
20130076587 | COMMUNICATION ELECTRONIC DEVICE AND ANTENNA STRUCTURE THEREOF - A communication electronic device includes a grounding element and an antenna element. There is a first notch, a second notch and a first protruded portion disposed at an edge of the grounding element, and the first notch and the second notch are not located at corners of the edge of the grounding element. The first protruded portion is located between the first notch and the second notch. The antenna element and the grounding element are disposed on different planes. The antenna element has a projection on the grounding element, and the projection covers a portion of the first protruded portion, a portion of the first notch and a portion of the second notch. | 03-28-2013 |
20130099979 | COMMUNICATION DEVICE AND ANTENNA STRUCTURE THEREOF - A communication device has an antenna structure including a substrate, a ground element, an open slot and a radiating metal portion. The ground element is disposed on a first surface of the substrate. The open slot is formed on the ground element and substantially parallel with an edge of the ground element, wherein the open slot at least generates a first resonant mode, and a distance between the open slot and the edge of the ground element is shorter than 0.05 wavelength of a center frequency of the first resonant mode. The radiating metal portion is disposed on a second surface of the substrate, wherein the open slot at least partially covers the radiating metal portion, the radiating metal portion at least generates a second resonant mode, and a feed point of the radiating metal portion is electrically coupled to a signal source on the substrate. | 04-25-2013 |
20130162494 | COMMUNICATION ELECTRONIC DEVICE AND ANTENNA STRUCTURE THEREOF - An antenna structure having a ground element and an antenna element is provided. The antenna element is disposed on a dielectric substrate, and includes a first radiation portion, a second radiation portion, and a spiral metal line. An end of the first radiation portion is a feeding point of the antenna element, and another end is open. An end of the second radiation portion is electrically coupled to the ground element, and the length of the second radiation portion is greater than that of the first radiation portion. The first radiation portion is surrounded by the second radiation portion. An end of the spiral metal line is coupled to the first radiation portion. The spiral metal line contributes a parallel resonance outside the antenna's operating band, and results in a resonant mode generated within the antenna element's operating band such that the operating bandwidth of the antenna element is increased. | 06-27-2013 |
20140197992 | COMMUNICATION DEVICE AND ANTENNA ELEMENT THEREIN - A communication device includes a ground element and an antenna element. The antenna element is close to an edge of the ground element, and includes a first metal portion and a second metal portion. The first metal portion has a plurality of bends, and includes a first segment and a second segment. The first segment and the second segment are close to each other, and are substantially parallel to the edge of the ground element. The first segment is disposed at the outmost periphery of the antenna element from the edge of the ground element. The second segment is disposed between the first segment and the edge of the ground element, and has a shorted point coupled to the ground element. The second metal portion is disposed between the second segment and the edge of the ground element, and has a feeding point coupled to a signal source. | 07-17-2014 |
20140266968 | COMMUNICATION DEVICE AND ANTENNA ELEMENT THEREIN - A communication device including a ground element and an antenna element is provided. The antenna element includes a first portion and a second portion. The first portion has a first end and a second end. The first end is used as a first feeding point of the antenna element. The second portion has a third end and a fourth end. The third end is used as a second feeding point of the antenna element, and the fourth end is open. A first switch is coupled between the second end of the first portion and the third end of the second portion. The first switch is further coupled through the first portion and a first reactive circuit to a communication module. A second switch is coupled to the third end of the second portion. The second switch is further coupled through a second reactive circuit to the communication module. | 09-18-2014 |
20140320358 | COMMUNICATION DEVICE AND ANTENNA ELEMENT THEREIN - A communication device including a ground element and an antenna element is provided. An edge of the ground element has a notch, and the antenna element includes a metal element disposed inside the notch. The metal element of the antenna element has a first end and a second end. The first and second ends are spaced away from each other and are respectively positioned adjacent to two ends of a diagonal line of the notch. The first end is used as a first feeding point of the antenna element, and the second end is used as a second feeding point of the antenna element. The first feeding point is coupled through a switch and a first matching circuit to a first signal source, and the second feeding point is coupled through an inductive element and a second matching circuit to a second signal source. | 10-30-2014 |
20140320359 | COMMUNICATION DEVICE AND ANTENNA ELEMENT THEREIN - A communication device including a ground element and an antenna element is provided. The antenna element includes a metal element. The metal element is disposed at or adjacent to an edge of the ground element. The metal element is substantially perpendicular to the ground element. The metal element has a projection on the ground element, and the whole projection is in the internal of the ground element. The antenna element has a first feeding point and a second feeding point. The first and second feeding points are away from each other. The first and second feeding points are substantially positioned at two ends of the metal element, respectively. The first feeding point is coupled through a first switch and a first matching circuit to a communication module. The second feeding point is coupled through a second switch and a second matching circuit to the communication module. | 10-30-2014 |
20140327593 | COMMUNICATION DEVICE WITH GROUND PLANE ANTENNA - A communication device including a ground element, a dielectric substrate, and an antenna element is provided. The dielectric substrate is disposed nearby the ground element and has a first surface and a second surface. The antenna element includes a first metal portion and a second metal portion. The first metal portion is disposed on the first surface and has a feeding point. The second metal portion is disposed on the second surface. The first metal portion is electrically connected to the second metal portion through a conductive via-hole, and the conductive via-hole is located at or nearby a first edge of the first metal portion. The first edge is away from the ground element. The projection of the second metal portion on the first surface is covered by the first metal portion. | 11-06-2014 |
20140340277 | COMMUNICATION DEVICE AND ANTENNA ELEMENT THEREIN - A communication device including a ground element and an antenna element is provided. The antenna element includes a metal element. The metal element has a plurality of bends and substantially forms a loop structure with a gap. The gap is between a first open end and a second open end of the metal element. The metal element extends along an edge of the ground element and does not overlap with the ground element. The antenna element has a feeding point. A first portion of the metal element is between the feeding point and the first open end, and a second portion of the metal element is between the feeding point and the second open end. The feeding point, the first open end, and the second open end are all facing or adjacent to the edge of the ground element. | 11-20-2014 |
20150035712 | COMMUNICATION DEVICE AND ANTENNA ELEMENT THEREIN - A communication device includes a ground element and an antenna element. The antenna element includes a loop metal element and a branch metal element. The loop metal element is adjacent to an edge of the ground element. The loop metal element has a feeding end and a grounding end. The grounding end is coupled to the ground element. The feeding end is coupled through a capacitive element and a first inductive element to a signal source. A closed region is enclosed by the loop metal element and the edge of the ground element. The branch metal element is coupled through a second inductive element to a connection point on the loop metal element. The connection point is at the front-half portion of the loop metal element. The front-half portion includes the feeding end. The branch metal element substantially extends along an outer periphery of the loop metal element. | 02-05-2015 |
20150061951 | COMMUNICATION DEVICE AND SMALL-SIZE MULTI-BRANCH MULTI-BAND ANTENNA ELEMENT THEREIN - A communication device including a ground element and an antenna element is provided. The antenna element has a first connection point, and at least includes a first branch, a second branch, and a third branch. One end of the first branch is coupled through an inductive element to the first connection point. One end of the second branch is coupled to the first connection point. A second segment of the second branch is substantially parallel to a first segment of the first branch. The second branch is disposed between the first branch and an edge of the ground element. One end of the third branch is coupled to a second connection point on the first branch. The third branch and the first branch substantially extend in opposite directions. The first connection point is further coupled through a high-pass matching circuit to a signal source. | 03-05-2015 |
20150070226 | WRIST-WORN COMMUNICATION DEVICE - A communication device, including a device casing, an external connection element, and a first metal element, is provided. A ground element and an antenna element are disposed in the device casing. The ground element has a first edge, a second edge, and a first connection point. The first edge and the second edge are opposite to each other. The first connection point is disposed near or at the second edge. The antenna element is disposed near the first edge. The external connection element is formed by a non-conductive material and is outside the device casing. The external connection element has a belt-like structure and is combined with the device casing to substantially form a loop structure. The first metal element is supported by the external connection element and is coupled to the first connection point of the ground element. | 03-12-2015 |