ALPHA NETWORKS INC.

An antenna system includes a substrate, a metallic heat sink disposed above the substrate and including a body and a heat dissipation structure, and an antenna assembly. The heat dissipation structure is disposed on the body. The body has a recess portion recessed inwards from a peripheral edge of the body. The antenna assembly includes a microstrip and a radiating section. The microstrip is disposed on a surface of the substrate and is coupled to a signal source. The radiating section is connected to the body and is disposed in the recess portion. An end of the radiating section is disposed in a location adjacent to the microstrip. The radiating section is excited by the microstrip using a coupling mechanism.

A magneto-electric dipole antenna includes a substrate module, a director, a reflector and a feeding module. The substrate module has an upper surface and a lower surface. The director is disposed on the upper surface of the substrate module. The reflector is disposed on the lower surface of the substrate module. The feeding module is disposed in the substrate module between the director and the reflector. When a to-be-outputted signal is fed to the feeding module, a forward radiation that transmits in a forward direction pointing from bottom to top is generated, a backward radiation that transmits in a backward direction reverse to the forward direction is generated and is reflected by the reflector, and the forward radiation and the backward radiation thus reflected are directed by the director so as to generate the electromagnetic wave.

A horizontally polarized omnidirectional multi-band antenna structure includes a substrate and two structurally-symmetric radiators, each being provided on a layout area on one of the two opposite sides of the substrate, and including a X-shaped primary microstrip line, four secondary microstrip lines, four primary stubs, four secondary stubs and four resonators. The primary microstrip line has four end points arranged with the secondary microstrip lines along different extending directions. The primary stubs extend along different directions from four sections of the primary microstrip line. Each secondary microstrip line is provided with one of the secondary stubs. Resonators are provided between four end points of the primary microstrip line and the primary stubs. The antenna structure supports WiFi 6E/WiFi 7 frequency bands including the 2 GHz, 5 GHz and 6 GHz bands, has characteristics of horizontal polarization and omnidirectionality, and effectively satisfies the needs for miniaturized multi-band and wide band antennas.

A magneto-electric dipole antenna includes a substrate module, a radiative element, a first feeding probe, a second feeding probe, a first feed-in line and a second feed-in line. The radiative element is disposed above the substrate module. The first feeding probe and the second feeding probe are disposed in the substrate module below the radiative element and extend from top to bottom. The first feed-in line and the second feed-in line are disposed below the substrate module, and are electrically connected to the first feed-in line and the second feed-in line respectively. When the radiative element receives an input electromagnetic wave, a portion of the input electromagnetic wave is sequentially and electromagnetically coupled to the first feeding probe and the first feed-in line, and another portion of the input electromagnetic wave is sequentially and electromagnetically coupled to the second feeding probe and the second feed-in line.

The disclosure provides an antenna structure and electronic apparatus using the same. The antenna structure is disposed on a dielectric substrate having a first surface and a second surface opposite to the first surface, wherein a grounding metal sub-structure is disposed on the first surface, and an electromagnetic wave transmitting sub-structure, an electromagnetic wave receiving sub-structure and an isolating metal sub-structure is disposed on the second surface. The electromagnetic wave transmitting sub-structure and the electromagnetic wave receiving sub-structure extends along a first direction, and the isolating metal sub-structure is disposed between the electromagnetic wave transmitting sub-structure and the electromagnetic wave receiving sub-structure and comprises a cross-type metal block and a plurality of straight-line-type metal block separated from each other and extends along the first direction.

The disclosure provides an antenna structure and electronic apparatus using the same. The antenna structure is disposed on a dielectric substrate having a first surface and a second surface opposite to the first surface, wherein a grounding metal sub-structure is disposed on the first surface, and an electromagnetic wave transmitting sub-structure, an electromagnetic wave receiving sub-structure and an isolating metal sub-structure is disposed on the second surface. The electromagnetic wave transmitting sub-structure and the electromagnetic wave receiving sub-structure extends along a first direction, and the isolating metal sub-structure is disposed between the electromagnetic wave transmitting sub-structure and the electromagnetic wave receiving sub-structure and comprises a cross-type metal block and a plurality of straight-line-type metal block separated from each other and extends along the first direction.

An electronic device includes a heat dissipation structure including a first heat dissipation member and a second heat dissipation member. The first heat dissipation member is disposed on a circuit board and is made of a thermally conductive material. The second heat dissipation member is disposed close to an antenna. A projection of the second heat dissipation member on an output surface of the antenna at least covers a portion of the output surface of the antenna. The second heat dissipation member is in contact with the first heat dissipation member. The second heat dissipation member is made of a plastic material mixed with a plurality of ceramic particles.

In a magneto-electric dipole antenna, first to third substrates are stacked from top to bottom. A ground layer is disposed between the second and third substrates. Four sector patches and a first feed-out line are disposed on the first substrate. Four ground plates and first and second feed-in lines are disposed below the third substrate. Each of four vias penetrates the second and third substrates and the ground layer. A second feed-out line is disposed between the first and second substrates. Each of first and second feed-out probes penetrates the first to third substrates and the ground layer. The n th feed-out probe is connected to the n th feed-in line and the n th feed-out line, where 1≤n≤2. When two signals are fed to the feed-in lines, the signals are transmitted to the feed-out lines through the feed-out probes, and two electromagnetic waves are radiated.

A horizontally polarized omnidirectional multi-band antenna structure includes a substrate and two structurally-symmetric radiators, each being provided on a layout area on one of the two opposite sides of the substrate, and including a X-shaped primary microstrip line, four secondary microstrip lines, four primary stubs, four secondary stubs and four resonators. The primary microstrip line has four end points arranged with the secondary microstrip lines along different extending directions. The primary stubs extend along different directions from four sections of the primary microstrip line. Each secondary microstrip line is provided with one of the secondary stubs. Resonators are provided between four end points of the primary microstrip line and the primary stubs. The antenna structure supports WiFi 6E/WiFi 7 frequency bands including the 2 GHz, 5 GHz and 6 GHz bands, has characteristics of horizontal polarization and omnidirectionality, and effectively satisfies the needs for miniaturized multi-band and wide band antennas.

A microstrip antenna includes a substrate, a feedline, an impedance matching structure, and a patch radiator, wherein the substrate has a surface. The feedline is disposed on the surface and extends along a first axial direction. The impedance matching structure is disposed on the surface and has a first end and a second end in the first axial direction, wherein the first end is connected to the feedline. The impedance matching structure has a stepped impedance change. The patch radiator is disposed on the surface, wherein the patch radiator and the second end of the impedance matching structure are adjacent and spaced by a distance in the first axial direction, and the second end of the impedance matching structure is coupled with the patch radiator through the distance. Therefore, a bandwidth of the microstrip antenna could be increased.