Abstract: A dipole antenna includes interconnected first and second grounding portions, first and second connecting portions bending respectively from the first and second grounding portions in a substantially same direction, first and second extending portions extending respectively from the first connecting portion, and third and fourth extending portions extending respectively from the second connecting portion. The second extending portion is disposed closer to the first grounding portion than the first extending portion. The fourth extending portion is disposed closer to the second grounding portion than the third extending portion.

Abstract: The present invention is related to a shorted monopole antenna. The antenna includes a ground portion, a radiating portion, a shorting portion, an assembling portion, and a coaxial cable. The ground portion includes a signal grounding point. The radiating portion is located above the ground portion and bent at least once, and includes a signal feeding point. One end of the shorting portion is connected to one of the short edges of the ground portion, and the other end is connected to one edge portion of the radiating portion. The assembling portion is connected to the long edge of the ground portion. The coaxial cable includes an inner conductor and an outer conductor, which are connected to the signal feeding point and the signal grounding point respectively. The antenna invented has good impedance bandwidth and radiation characteristics, can easily be installed inside the housing of an electronic device, and is well suitable for applications in wireless communications devices.

Abstract: A mobile device includes a ground plane, a conductive housing disposed on the ground plane including a sidewall, a first conductive strip spaced apart from the conductive housing, and a second conductive strip electrically connecting the first conductive strip to the conductive housing.

Abstract: The hybrid multiple-input multiple-output antenna module includes a grounding unit, a plurality of radiating units, loop units and filter units. The radiating units and the loop units are arranged around a geometric center of the grounding unit and are alternately and symmetrically arranged on the grounding unit. The loop units are arranged along the outer peripheral side of the grounding unit. The filter units are respectively electrically connected to the loop units. The present invention not only has some advantages such as small size, low profile, good isolation, high antenna gain and good radiation properties, but also can replace the external dual-band access-point antenna of the prior art for 2.4/5 GHz operation with no need of an extra diplexer. In addition, the hybrid multiple-input multiple-output antenna module can be hidden in the wireless communication device in order to enhance the appearance of the product.

Abstract: A built-in FM transmitting antenna applied to a mobile device, includes a substrate unit, a first antenna unit, a conducting unit and a second antenna unit. The substrate unit has a circuit substrate, at least one grounding layer disposed on the circuit substrate, and a plurality of conducting pads disposed on the circuit substrate. The first antenna unit is disposed above the substrate unit and substantially parallel to the substrate unit. The conducting unit is electrically connected between the substrate unit and the first antenna unit. The second antenna unit is directly disposed on the edge of the top surface of the circuit substrate. The second antenna unit has two ends electrically connected between two of the conducting pads, respectively. The two ends of the second antenna unit are electrically connected to an FM chip module and the conducting unit through the two of the conducting pads, respectively.

Abstract: A Multiple-Input-Multiple-Output (MIMO) antenna device is adapted for connecting electrically to a radio frequency (RF) circuit for transmitting and receiving RF signals. The MIMO antenna device includes a circuit board, a plurality of antenna units, and a plurality of multiplexer units. The antenna units are disposed on the circuit board proximate to a peripheral edge thereof, are arranged in a loop formation, and are divided into a plurality of groups of the antenna units. Each of the multiplexer units is connected electrically to a respective one of the groups of the antenna units for selecting one of the corresponding antenna units and for connecting electrically the selected one of the corresponding antenna units to the RF circuit, thereby achieving the MIMO technique with the independently and simultaneously operating antenna units.

Abstract: A dual-feed and dual-band antenna includes a substrate, a grounding unit disposed on the substrate and having two opposite sides, a first radiating unit disposed on the substrate near the first side of the grounding unit, and a second radiating unit disposed on the substrate near the second side. The second radiating unit has a short-circuit strip electrically connected to the grounding unit. The antenna further includes a first coaxial cable electrically connected to the first radiating unit and the grounding unit, and a second coaxial cable electrically connected to the second radiating unit and the grounding unit.

Abstract: An antenna device includes a first conductive piece, a second conductive piece, a third conductive piece and a feeding point. The second conductive piece is electrically coupled to a predetermined voltage level. The third conductive piece is electrically connected to the first conductive piece and the second conductive piece. The feeding point is located on the first conductive piece.

Abstract: A multi-loop antenna module with wide beamwidth includes a grounding unit and a plurality of first loop units and second loop units. The first loop units are vertically disposed on outer peripheral sides of the grounding unit. Each first loop unit has a first shorting pin disposed on the grounding unit, a first feeding pin separated from the first shorting pin and suspended above the grounding unit, and a first loop radiating body connected between the first shorting pin and the first feeding pin. The second loop units are vertically disposed on outer peripheral sides of the grounding unit. Each second loop unit has a second shorting pin disposed on the grounding unit, a second feeding pin separated from the second shorting pin and suspended above the grounding unit, and a second loop radiating body connected between the second shorting pin and the second feeding pin.

Abstract: The present invention is related to a shorted monopole antenna. The antenna includes a ground portion, a radiating portion, a shorting portion, an assembling portion, and a coaxial cable. The ground portion includes a signal grounding point. The radiating portion is located above the ground portion and bent at least once, and includes a signal feeding point. One end of the shorting portion is connected to one of the short edges of the ground portion, and the other end is connected to one edge portion of the radiating portion. The assembling portion is connected to the long edge of the ground portion. The coaxial cable includes an inner conductor and an outer conductor, which are connected to the signal feeding point and the signal grounding point respectively. The antenna invented has good impedance bandwidth and radiation characteristics, can easily be installed inside the housing of an electronic device, and is well suitable for applications in wireless communications devices.

Abstract: A dual-loop antenna includes a grounding unit, a shorting unit, a feeding unit, a first loop radiating unit and a second loop radiating unit. The shorting unit has at least one shorting pin disposed on the grounding unit. The feeding unit has at least one feeding pin separated from the shorting pin by a predetermined distance and suspended above the grounding unit at a predetermined distance. The first loop radiating unit is disposed above the grounding unit at a predetermined distance. The first loop radiating unit has two ends respectively electrically connected to the shorting unit and the feeding unit. The second loop radiating unit is disposed above the grounding unit at a predetermined distance and around the first loop radiating unit. The second loop radiating unit has two ends respectively electrically connected to the shorting unit and the feeding unit.

Abstract: An ultra-wide band (UWB) antenna and a plug-and-play (PnP) device using the same are provided. A dielectric substrate of the PnP device has a ground plane. The UWB antenna includes a radiating metal plate and a feeding portion. The radiating metal plate is in a non-ground region of the dielectric substrate and has at least a slit cut. An opening of the slit cut is at the edge of the radiating metal plate facing the ground plane. The feeding portion is also at the edge of the radiating metal plate facing the ground plate for feeding a signal to the antenna.

Abstract: A wideband antenna for receiving digital television signals includes a substrate, a radiating plate, a first radiating element, and a second radiating element. The radiating plate is formed on the substrate and the radiating plate has a first radiating area, a second radiating area and a slit formed between the first and the second radiating areas. The first and the second radiating elements are pivotedly connected to the radiating plate. The first radiating element and the second radiating element are constructed as a dipole antenna structure of the antenna so as to excite a first resonant mode. The radiating plate also acts as a matching circuit thereon so as to excite a second resonant mode. The center frequency of the second resonant mode is shifted toward the center frequency of the first resonant mode with the incorporation of the radiating plate so that the antenna has a wideband characteristic.

Abstract: A built-in multi-antenna module includes a grounding unit, a plurality of first radiating units and a plurality of second radiating units. The first and the second radiating units are disposed on the grounding unit. Each first radiating unit has a first radiating body, a first feeding pin extended downwards from the first radiating body, and a first shorting pin extended downwards from the first radiating body and connected to the grounding unit. Each second radiating unit has a second radiating body, a second feeding pin extended downwards from the second radiating body, and a second shorting pin extended downwards from the second radiating body and connected to the grounding unit. The first radiating units and the second radiating units are alternately and symmetrically arranged on the grounding unit, and many included angles respectively formed between each first radiating unit and each second radiating unit are the same.

Abstract: The invention relates to a dual-feed antenna. The dual-feed antenna includes a substrate, a first antenna unit and a second antenna unit. The second antenna unit includes a second radiating unit and a second grounding unit. The second radiating unit includes a second radiator which has a first groove. The first groove has a first bottom and a pair of first arms. The second grounding unit includes a first sub-grounding-area and a second sub-grounding-area. The second sub-grounding-area has a second groove which includes a second bottom and a pair of second arms. The first sub-grounding-area is cross-wise connected with the second sub-grounding-area at the bottom of the groove, and the second arms symmetrically distribute to both sides of the first sub-grounding-area, and the first groove has an opening direction opposite to the opening direction of the second groove.

Abstract: A dipole antenna device includes a first metal piece including at least one bending part and a first feeding point; a second metal piece including a second bending part and a second feeding point; and a third metal piece electrically connected to a first connection point of the first metal piece and a second connection point of the second metal piece; wherein the first metal piece and the second metal piece are not electrically connected to each other except the first connection point and the second connection point.

Abstract: An ultra-wideband shorted dipole antenna includes a coaxial cable line and first and second open-loop radiating metal plates with substantially the same shape. The coaxial cable line has a central conducting wire and an outer grounder sheath. The first and second open-loop radiating metal plates are symmetrically disposed on two sides of the antenna to form two arms of the antenna and are electrically connected to each other. Each of the first and second open-loop radiating metal plates has a signal feeding point electrically connected to the central conducting wire or the outer grounder sheath of the coaxial cable line.

Abstract: An electronic device and short-circuited dipole antenna thereof are provided. The short-circuited dipole antenna comprises a first radiation unit, a second radiation unit and a short-circuited unit. The short-circuited unit comprises a first terminal connected to the first radiation unit, and a second terminal connected to the second radiation unit.

Abstract: An ultra-wideband antenna structure is provided. The ultra-wideband antenna structure includes a substrate with an edge, a first surface and a second surface opposite to the first surface; a ground surface mounted on the first surface; a radiating element mounted on the second surface and near the edge, and being a bent metal piece; and a short-circuited metal unit mounted on the first surface having a first end and a second end, wherein the first end is electrically connected to the ground surface and the second end is electrically connected to the radiating element.

Abstract: The present invention is related to a shorted monopole antenna. The antenna includes a ground plane, a main radiating element, a shorting element, a metal plate, and a coaxial cable. The ground plane includes a signal grounding point. The main radiating element is located above the ground plane and bent at least once, and includes a signal feeding point. One end of the shorting element is connected to one of the short edges of the ground plane, and the other end is connected to one edge portion of the main radiating element. The metal plate includes an inner conductor and an outer conductor, which are connected to the signal feeding point and the signal grounding point respectively. The antenna invented has good impedance bandwidth and radiation characteristics, can easily be installed inside the housing of an electronic device, and is well suitable for applications in wireless communications devices.