Abstract: A smart antenna is provided, which may include a plurality of antenna units and a controller. The controller may be coupled to the antenna units. The controller may scan an angle range by a first angle interval according to a characteristic vector of the antenna units and an initial angle; if the power change between any two adjacent scanning points is negative, the controller may multiply the first angle interval by a number to generate a second angle interval, and keep scanning the angle range by the second angle interval; when the controller completely scans the angle range or the power change between any two adjacent scanning points is positive, the controller may generate a power spectrum.

Abstract: A dipole antenna is provided, which may include a substrate, a first radiator and a second radiator disposed thereon. The substrate may include a first metal layer and a second metal layer; the first metal layer may include a feed point connected to the signal wire of a coaxial cable; the second metal layer may include a ground point connected to the ground layer of the coaxial cable. The first radiator may include a first planar connection part and a first solid radiating part; the first planar connection part may be disposed on one end of the first solid radiating part and connected to the first metal layer. The second radiator may include a second planar connection part and a second solid radiating part; the second planar connection part may be disposed on one end of the second solid radiating part and connected to the second metal layer.

Abstract: A wireless communication module including a substrate, a first antenna, a second antenna and a resonator group is provided. The first antenna and the second antenna are disposed on the substrate. The resonator group is disposed between the first antenna and the second antenna and separated from the first antenna and the second antenna. The resonator group includes a first resonator and a second resonator. The first resonator includes a first resonant cavity, a first extension slot, a first conductive portion and a second conductive portion. The first extension slot extends towards a lateral surface of the substrate from the first resonant cavity. The first conductive portion and the second conductive portion are located within the first resonant cavity and separated from each other. The second resonator includes a second resonant cavity and a second extension slot extending towards the lateral surface from the second resonant cavity.

Abstract: A split ring resonator (SRR) antenna is disclosed. The SRR antenna comprises a substrate, a basic feeding portion, a conductive layer, a first capacitive, a conducting element and a second capacitive. The substrate has an outer edge, a first surface and a second surface opposite to the first surface. The basic feeding portion disposed on the first surface. The conductive layer is disposed on the second surface, and has a gap and a cavity. The first conductive layer defines two sides of the gap to be a first inner edge and a second inner edge, and a first matching element and a second matching are formed from the first inner edge and the second inner edge respectively. The cavity is connected to the outer edge of the substrate through the gap. The second capacitive coupling route is formed between the conducting element and the second matching element.

Abstract: A surface emitting laser with improved efficiency includes a conductive substrate, a metal bonding layer, a laser structure layer, an epitaxial semiconductor reflection layer, and an electrode layer. The laser structure layer has an epitaxial current-blocking layer having a current opening. Currents are only transmitting through the current opening. The epitaxial current-blocking layer is grown by a semiconductor epitaxy process to confine the range of the currents to form electric fields. Heat dissipation and electrical conduction properties are improved by the conductive substrate. Because the epitaxial current-blocking layer is not made by destructive manufacturing method, the efficiency of the surface emitting laser can be improved.

Abstract: A dot matrix light-emitting diode (LED) backlighting light source for a wafer-level microdisplay includes a substrate and a bonding layer, multiple LEDs arranged at intervals, a first electrode assembly, and a second electrode assembly sequentially formed on a top surface of the substrate. The first electrode assembly and the second electrode assembly are connected in series to the multiple LEDs to constitute a dot matrix LED light source, which allows to be directly packaged and assembled in a microdisplay in production and is advantageous in reduced size and lower production.

Abstract: An antenna structure comprising a substrate and an antenna is provided. The substrate comprises an upper surface and an under surface. The antenna comprises a first metal pattern and a second metal pattern. The first metal pattern is disposed on the upper surface. The first metal pattern comprises a feeding portion and a transmission line connected to the feeding portion. The second metal pattern is disposed on the under surface, and comprises a first parasitic grounding arm, a second parasitic grounding arm, a connecting arm, a grounding plane and a grounding strip. The connecting arm has a parasitic slot, and connects the first parasitic grounding arm and the second parasitic grounding arm. The grounding strip connects the connecting arm and the grounding plane.

Abstract: A multi-input multi-output antenna including a substrate, a first multi-band antenna, a second multi-band antenna, and a multi-band filter is provided. The first multi-band antenna includes first and second radiators operated in first and second bands respectively. The second radiator extends from a first terminal of the first radiator and surrounds the first radiator. The operating frequency of the first band is higher than that of the second band. The second multi-band antenna includes third and fourth radiators operated in the first and the second bands respectively. The fourth radiator extends from a second terminal of the third radiator and surrounds the third radiator. The multi-band filter has a first filter part and a second filter part orthogonal to each other. The first filter part and the second filter part filter a first current and a second current respectively.

Abstract: Disclosure is related to an omnidirectional antenna. Structurally the antenna includes multiple antenna units which are oppositely disposed around the edges of a grounded substrate. The antenna is able to handle at least two bands of electromagnetic signals. The body of each antenna unit includes a radiating member which is extended from an inverse-F portion type structure at the upper half of the body. A downward-protrudent feeding member is formed at the middle portion of the radiating member. A connecting member electrically connected to the substrate is formed at the lower half of the body, and associated with the radiating member. At least two upward-protrudent grounding members are formed onto the connecting member. The grounding members are jointly grounded with the substrate. It is noted that the feeding member is extended in the midst of the two grounding members. The opposite antenna units are mutually served be reflectors.

Abstract: A wireless network receiver includes a circuit board and a connector structure. The connector structure is fixed on the circuit board, and the connector structure includes a connector and an antenna. The antenna, crossing the circuit board, and the connector are integrally formed with as a whole. The antenna includes a feeding connecting member, a horizontal radiator, a vertical radiator and a grounding connecting member. The horizontal radiator generates a horizontally polarized wave and is connected to the feeding connecting member. The vertical radiator generates a vertically polarized wave and is connected to the horizontal radiator. The grounding connecting member connects the horizontal radiator to the connector.

Abstract: An antenna device is provided. The antenna device includes a circuit board including a first side configured with a transmission unit, and a second side opposite to the first side; a main radiator disposed at the first side, electrically connected to the transmission unit, and having a major axis direction; a first parasitical radiator adjacent to the main radiator, and coaxially disposed in the major axis direction at the first side; and a second parasitical radiator coaxially disposed in the major axis direction at the second side.

Abstract: An antenna structure comprising a substrate and an antenna is provided. The substrate comprises an upper surface and an under surface. The antenna comprises a first metal pattern and a second metal pattern. The first metal pattern is disposed on the upper surface. The first metal pattern comprises a feeding portion and a transmission line connected to the feeding portion. The second metal pattern is disposed on the under surface, and comprises a first parasitic grounding arm, a second parasitic grounding arm, a connecting arm, a grounding plane and a grounding strip. The connecting arm has a parasitic slot, and connects the first parasitic grounding arm and the second parasitic grounding arm. The grounding strip connects the connecting arm and the grounding plane.

Abstract: A broadband planar inverted-F antenna includes a first radiation conductor, a second radiation conductor and a third radiation conductor. The first radiation conductor includes a first inclined-plane portion and a feeding point. The feeding point is located at one end of the first inclined-plane portion. The second radiation conductor is connected to the first radiation conductor at the feeding point. The third radiation conductor is connected to the first radiation conductor, and includes a second inclined-plane portion and a ground point. The second inclined-plane portion is separated from and facing to the first inclined-plane portion. The ground point is located at one end of the second inclined-plane portion and facing to the feeding point, wherein the distance between the first inclined-plane portion and the second inclined-plane portion is gradually increased from the part near the feeding point along a direction departing from the feeding point.

Abstract: A wireless communication apparatus and a planar antenna thereof are provided. The wireless communication apparatus comprises a connecting port, a printed circuit board, and a planar antenna. The printed circuit board is connected to the connecting port, and the planar antenna is formed on the printed circuit board. The planar antenna comprises a radiation portion, a shorting portion, and a feeding portion. The feeding portion is connected to the radiation portion and the shorting portion, and the radiation portion and the shorting portion are in a bent shape so that the radiation portion, the shorting portion and the feeding portion are distributed in a rectangular region.

Abstract: Disclosure is related to an omnidirectional antenna. Structurally the antenna includes multiple antenna units which are oppositely disposed around the edges of a grounded substrate. The antenna is able to handle at least two bands of electromagnetic signals. The body of each antenna unit includes a radiating member which is extended from an inverse-F portion type structure at the upper half of the body. A downward-protrudent feeding member is formed at the middle portion of the radiating member. A connecting member electrically connected to the substrate is formed at the lower half of the body, and associated with the radiating member. At least two upward-protrudent grounding members are formed onto the connecting member. The grounding members are jointly grounded with the substrate. It is noted that the feeding member is extended in the midst of the two grounding members. The opposite antenna units are mutually served be reflectors.

Abstract: A dual band antenna with improved radiation characteristic, comprising: a ground plane, formed at the bottom thereof; two impedance matching elements formed respectively at the two arms thereof while connecting to the ground plane so as to form a first joint and a second joint at the connections in respective; a first radiation unit, connected to the first joint, being formed like an arc connected to the first joint that is disposed concave to the bottom ground plane while extending from the first joint toward the second joint, and then turning vertically upward from the end of the arc for enabling the end of the vertical portion to connect to a second radiation unit; and the second radiation unit, being formed like an arc that is disposed concave to the bottom ground plane while extending from the joint with the first radiation unit toward the first joint.

Abstract: A printed antenna comprising a substrate, a first ground plane, a low frequency radiation, a high frequency radiation, a first matching portion, a second matching portion is provided. The first ground plane, the low frequency radiation portion, the high frequency radiation portion and the first matching portion are located on an upper surface of the substrate. The low frequency radiation portion is connected to the high frequency radiation portion, and the first matching portion is extended from the first ground plane and towards the high frequency radiation portion. The second matching portion is adjacent to the first matching portion but does not overlap the first matching portion.

Abstract: An antenna with electromagnetic interference (EMI) shelter is disclosed, which comprises: an EMI shelter, mounted on a substrate while covering the same; a radiation unit; an induction current steering unit, disposed at a position between the EMI shelter and the radiation unit; and a signal feed-in unit, electrically connected with the radiation unit; wherein, the induction current generated by the radiation unit when it is activating is guided to the EMI shelter through the guidance of the induction current steering unit, and then to be feed into a ground connection (GND), thereby, preventing the operation of radio circuit elements that are mounted on the substrate from being interfered by the electric wave resulting from the induction current. With the aforesaid configuration, not only the EMI effect can be significantly suppressed and the overall manufacturing cost of the antenna can be effectively reduced, but also the signal transmission efficiency is improved.

Abstract: A three-dimensional dual-band antenna including a first radiation portion, a second radiation portion, a connection portion, an impedance matching portion and a feeding portion is provided. The second radiation portion is located under the radiation portion and parallel with the first radiation portion. The connection portion is connected to the first side of the first radiation portion and extended downward vertically, for connecting the first radiation portion and the second radiation portion. The impedance matching portion is connected to a second side of the first radiation portion and extended downward vertically. The first side and the second side are opposite. The feeding portion is connected to the second side and extended downward vertically. The feeding portion receives a feeding signal. The first and the second radiation portion are operated at the first and the second bandwidth respectively, wherein the second bandwidth is in higher frequency than the first bandwidth.

Abstract: A broadband planar inverted-F antenna includes a first radiation conductor, a second radiation conductor and a third radiation conductor. The first radiation conductor includes a first inclined-plane portion and a feeding point. The feeding point is located at one end of the first inclined-plane portion. The second radiation conductor is connected to the first radiation conductor at the feeding point. The third radiation conductor is connected to the first radiation conductor, and includes a second inclined-plane portion and a ground point. The second inclined-plane portion is separated from and facing to the first inclined-plane portion. The ground point is located at one end of the second inclined-plane portion and facing to the feeding point, wherein the distance between the first inclined-plane portion and the second inclined-plane portion is gradually increased from the part near the feeding point along a direction departing from the feeding point.