Abstract: An antenna device includes a retaining seat, a first polarized antenna module, and a second polarized antenna module, both disposed on the retaining seat. The first polarized antenna module has a dual-band monopole antenna. The second polarized antenna module has a carrying frame disposed on the retaining seat, two dual-band dipole antennas in a coplanar arrangement formed on the carrying frame, and a splitter installed on the carrying frame. Each dual-band dipole antenna defines a longitudinal axis and has a feeding and a grounding segment arranged in the longitudinal axis. The longitudinal axes of the dual-band dipole antennas are perpendicular to each other. The polarized direction of the dual-band dipole antennas is perpendicular to the polarized direction of the dual-band monopole antenna. The splitter is electrically connected to the feeding segments for separating a current respectively into the feeding segments by a phase difference of 90 degrees.

Abstract: A spring antenna structure integrally formed by bending a metallic sheet includes a supporting portion, a grounding radiating portion, and an antenna radiating portion. Two opposite ends of the supporting portion are respectively connected to the grounding and antenna radiating portion. The grounding and antenna radiating portion are formed by bending the supporting portion in a rotating direction. A first angle (?1) is defined between the grounding radiating portion and the supporting portion, and a second angle (?2) is defined between the antenna radiating portion and the supporting portion. 0°<?1<90° and 0°<?2<?1+90°. When the spring antenna structure is pressed and deformed by an external force, the spring antenna structure generates a returning force for returning to the original shape.

Abstract: In an antenna structure having a serial connected capacitance effect, mainly a metallic planar antenna is provided thereon at least with a first metallic plane board, and a second metallic plane board being close to but not connected to the first metallic plane board to form the effect of capacitance in serial connecting. And more, the antenna structure further has an extension arm made from a microstrip extended from the antenna or the second metallic plane board, and can be optionally grounded or not grounded, for the purpose of adjusting the impedance value of the antenna structure.

Abstract: A multi-antenna structure includes a base plate, a first antenna, a second antenna, a first metal line, and a second metal line. The base plate includes a grounded metal surface. The grounded metal surface includes two short sides and two long sides. The first antenna and the second antenna are arranged on the base plate. The first metal line and the second metal line are electrically connected to the two short sides of the grounded metal surface. A current path of the two short sides is prolonged because of the first metal line and the second metal line. A longitudinal current is equal to a transverse current at a low frequency. A current of the first antenna and a current of the second antenna does not interfere each other. Isolation between the first antenna and the second antenna is improved.

Abstract: The present disclosure provides a wireless charging storage stand comprising a body and a power control circuit. The body has a plurality of containing portions. Each containing portion comprises a wireless charging unit, a wireless charging indication unit and a sensing circuit. The wireless charging unit is coupled to the wireless charging indication unit. The containing portion is for accommodating an electronic device with wireless charging capability which is charged by the wireless charging unit. The wireless charging indication unit generates a charging indication signal according to the charging status of the wireless charging unit. The power control circuit is disposed in the body and the power control circuit is coupled to the plurality of wireless charging units and the plurality of wireless charging indication units. The power control circuit provides electric power to the plurality of wireless charging units and the plurality of wireless charging indication units.

Abstract: A tunable long term evolution antenna comprises a feeding portion, a grounding portion, a first radiation portion, a second radiation portion and a coupling radiation portion. The shape of the first radiation portion is a strip. Two terminals of the strip respectively are a first terminal and a second terminal. The first terminal is connected to the feeding portion and the grounding portion. The second radiation portion is connected to the grounding portion and the first terminal of the first radiation portion. The coupling radiation portion has a switching terminal coupled to a switch, a low frequency coupling portion and a high frequency coupling portion. The switch controls the switching terminal to be coupled to the ground or floating. The tunable long term evolution antenna operates in a LTE technology mode or a 3G mode depending on the switching terminal is coupled to the ground floating.

Abstract: A near field antenna adapted to an object detecting device, for sensing a plurality of units under test of at least an object under test. The near field antenna comprises a periodic guided-wave structure, a metallic reflection portion and at least two near field magnetic coupling antennas. The periodic guided-wave structure disposed below the object under test has a plurality of conductive units periodically arranged on a first plane. The metallic reflection portion is disposed under the periodic guided-wave structure to form an enclosed space. The near field magnetic coupling antennas are disposed on a second plane parallel to the periodic guided-wave structure, and are located in the enclosed space. The feed point and the ground point of each near field magnetic coupling antenna are fed by a coaxial cable with a feeding direction parallel to the periodically arranged conductive units.

Abstract: A multi-band antenna comprises a single-pole radiating portion and a coupling radiating portion coupled to a grounding terminal. The single-pole radiating portion has a first radiating unit and a fourth radiating unit coupled to a feeding terminal. The single-pole radiating portion is bent to form a second radiating unit and a third radiating unit. The coupling radiating portion has a fifth radiating unit, and the coupling radiating portion is bent to form a sixth radiating unit. The sixth radiating unit of the coupling radiating portion and the third radiating unit of the single-pole radiating portion are coupled to each other to generate a LTE technology band near 700 MHz. The fifth radiating unit of the coupling radiating portion, the third radiating unit and the fourth radiating unit of the single-pole radiating portion are coupled to each other to generate a high frequency band.

Abstract: A multi-band antenna comprises a single-pole radiating portion and a coupling radiating portion coupled to a grounding terminal. The single-pole radiating portion has a first radiating unit and a fourth radiating unit coupled to a feeding terminal. The single-pole radiating portion is bent to form a second radiating unit and a third radiating unit. The coupling radiating portion has a fifth radiating unit, and the coupling radiating portion is bent to form a sixth radiating unit. The sixth radiating unit of the coupling radiating portion and the third radiating unit of the single-pole radiating portion are coupled to each other to generate a LTE technology band near 700 MHz. The fifth radiating unit of the coupling radiating portion, the third radiating unit and the fourth radiating unit of the single-pole radiating portion are coupled to each other to generate a high frequency band.

Abstract: A tunable long term evolution antenna comprises a feeding portion, a grounding portion, a first radiation portion, a second radiation portion and a coupling radiation portion. The shape of the first radiation portion is a strip. Two terminals of the strip respectively are a first terminal and a second terminal. The first terminal is connected to the feeding portion and the grounding portion. The second radiation portion is connected to the grounding portion and the first terminal of the first radiation portion. The coupling radiation portion has a switching terminal coupled to a switch, a low frequency coupling portion and a high frequency coupling portion. The switch controls the switching terminal to be coupled to the ground or floating. The tunable long term evolution antenna operates in a LTE technology mode or a 3G mode depending on the switching terminal is coupled to the ground floating.

Abstract: A near field antenna adapted to an object detecting device, for sensing a plurality of units under test of at least an object under test. The near field antenna comprises a periodic guided-wave structure, a metallic reflection portion and at least two near field magnetic coupling antennas. The periodic guided-wave structure disposed below the object under test has a plurality of conductive units periodically arranged on a first plane. The metallic reflection portion is disposed under the periodic guided-wave structure to form an enclosed space. The near field magnetic coupling antennas are disposed on a second plane parallel to the periodic guided-wave structure, and are located in the enclosed space. The feed point and the ground point of each near field magnetic coupling antenna are fed by a coaxial cable with a feeding direction parallel to the periodically arranged conductive units.

Abstract: A bookcase system is provided. The bookcase system includes at least adjacently arranged two bookcase units. Each of the bookcase units further includes a first RFID reader having an antenna and placed on a first lateral side of the bookcase unit. The bookcase unit further includes a separating structure placed between two of the adjacently arranged bookcase units. The separating structure may further include at least three metal plates forming a three-layer stacked structure, and a lateral side of each of the metal plates is larger than half of a wavelength of an operating frequency of the antenna. And books are placed along a direction parallel to the lateral side.

Abstract: An antenna system for mobile communication includes a transportation device and an antenna module installed on the transportation device. The antenna module has a first polarized antenna unit and a second polarized antenna unit. The polarized direction of first polarized antenna unit is perpendicular to the polarized direction of second polarized antenna unit, such that when the transportation device moves along a first direction, the first and the second polarized antenna units are coupling to each other, and each has an 8-shaped radiation pattern. The longitudinal direction of the radiation pattern of the first polarized antenna unit and the longitudinal direction of the radiation pattern of the second polarized antenna unit are parallel to a second direction, and the second direction is not parallel to the first direction. Thus, the instant disclosure provides the antenna system capable of restraining the multipath fading of mobile communication.

Abstract: A multiband antenna structure comprises a substrate, a first radiating unit and a second radiating unit. The first radiating unit is disposed on the substrate, having a feed-in end, a first radiating path and a first terminal. The first radiating unit is operated at a first operating frequency. The second radiating unit is disposed on the substrate and has a grounding end, a second radiating path and a second terminal. The second radiating unit is operated at a second operating frequency. The first terminal of the first radiating unit is adjacent to the second radiating path or the second terminal of the second radiating unit is adjacent to the first radiating path for the first radiating unit or the second unit to excite a third operating frequency. The third operating frequency is lower than the lower frequency among the first operating frequency and the second operating frequency.

Abstract: A manufacturing method of an antenna structure includes the following steps: producing a main body by injection molding of a first plastic, wherein the first plastic is a plating grade plastic; covering the main body by a second plastic to form a covering layer, wherein plating can not be done for the first and second plastics concurrently; removing a pre-determined portion of the covering layer, wherein a patterned layer is defined by the unremoved portion of the covering layer, wherein at least one trench is formed by the exposed portion of the main body and surrounding patterned layer; and plating an antenna material in the trench to form an antenna. Thus, the instant disclosure can reduce the manufacturing cost of the antenna structure. Based on the preceding manufacturing method, an antenna structure is also disclosed.

Abstract: The present disclosure provides a wireless charging storage stand comprising a body and a power control circuit. The body has a plurality of containing portions. Each containing portion comprises a wireless charging unit, a wireless charging indication unit and a sensing circuit. The wireless charging unit is coupled to the wireless charging indication unit. The containing portion is for accommodating an electronic device with wireless charging capability which is charged by the wireless charging unit. The wireless charging indication unit generates a charging indication signal according to the charging status of the wireless charging unit. The power control circuit is disposed in the body and the power control circuit is coupled to the plurality of wireless charging units and the plurality of wireless charging indication units. The power control circuit provides electric power to the plurality of wireless charging units and the plurality of wireless charging indication units.

Abstract: The present disclosure provides a multi-frequency antenna for connecting to a circuit board of a mobile communication device. The circuit board has a grounding plane. The mobile communication device has a metal frame coupled to the grounding plane and surrounding the circuit board. The multi-frequency antenna comprises a first radiator and a second radiator. The first radiator is disposed adjacent to a lateral side of the grounding plane. The first radiator has a feeding end and a grounding end. The first radiator surrounds the metal frame adjacent to the lateral side of the grounding plane to forms a loop. The first radiator forms a first current path to provide a first operating mode. The second radiator connected to the first radiator forms a second current path to provide a second operating mode. The frequency of the second operating mode is higher than the frequency of the first operating mode.

Abstract: An antenna structure includes a carrier body, a circuit board, a metal coupling sheet, a first grounding part, a second grounding part, and a metal frame. A first slot and a second slot are between the metal frame and the carrier body after the parts mentioned above are assembled. The metal coupling sheet, the first grounding part, and the first slot form a first communication path. The first communication path forms a low-frequency resonance and a high-frequency resonance as well, so that the antenna structure is applied to a four bands GSM850/900/1800/1900. The metal coupling sheet, the second grounding part, and the second slot form a second communication path. The second communication path forms the WCDMA2100 resonance, so that the antenna structure is applied to a five bands 850/900/1800/1900/2100.

Abstract: The present disclosure provides a metal plate antenna comprising a radiating portion and at least two grounding pins. The radiating portion is a metal plate and the two ends of the radiating portion are a first end and a second end respectively. The first end and the second end are bended towards the same direction and are perpendicular to the radiating portion. One of the first end and the second end is for the feeding end. At least one of the first end and the second end has at least a plug-foot. The plug-foot is used for plugging into the inserting hole of a circuit board. At least two grounding pins are vertical connected to the radiating portion and one of the grounding pins is used to be connected with the grounding of the circuit board.

Abstract: An antenna system for mobile communication includes a transportation device and an antenna module installed on the transportation device. The antenna module has a first polarized antenna unit and a second polarized antenna unit. The polarized direction of first polarized antenna unit is perpendicular to the polarized direction of second polarized antenna unit, such that when the transportation device moves along a first direction, the first and the second polarized antenna units are coupling to each other, and each has an 8-shaped radiation pattern. The longitudinal direction of the radiation pattern of the first polarized antenna unit and the longitudinal direction of the radiation pattern of the second polarized antenna unit are parallel to a second direction, and the second direction is not parallel to the first direction. Thus, the instant disclosure provides the antenna system capable of restraining the multipath fading of mobile communication.