Abstract: A patch antenna includes a grounding portion and a radiating portion. The radiating portion includes a first feeding point, a first grounding point, a second feeding point, and a second grounding point. The first feeding point is electrically connected to a first signal source. The first grounding point is electrically connected to the grounding portion. The second feeding point is electrically connected to a second signal source. The second grounding point electrically connected to the grounding portion. The line formed by connecting the first feeding point and the first grounding point is substantially perpendicular to the line formed by connecting the second feeding point and the second grounding point.

Abstract: A wireless communication system disposed at a wearable electronic device. The wearable electronic device includes a metallic accommodating housing and a first metallic curved piece. The first metallic curved piece is protrudingly disposed at one side of the metallic accommodating housing. The wireless communication system includes a circuit board, a first insulation cover and a first loop antenna. The circuit board is coupled with the first loop antenna to generate a first wireless radio-frequency signal. The first insulation cover surrounds the first metallic curved piece. The first antenna generates a first band and a second band by resonance according to the first wireless radio-frequency signal after electromagnetically coupled with the first metallic curved piece.

Abstract: A wireless communication device includes a housing and a plurality of antenna units. The antenna units surround a surface of the housing and stand on a system ground. Each of the antenna units includes a first radiation part, a second radiation part and a conductive component. The first radiation part has a signal feed point for receiving a feeding signal. The second radiation part surrounds the first radiation part and has a first side, a second side, a first ground point and a second ground point, wherein the first side is parallel to the system ground while the second side is perpendicular to the system ground. The first side is perpendicular to the second side and shorter than the second side. The conductive component is disposed between the first side and the system ground and connected to the first side and the system ground.

Abstract: An electronic device includes a first body and a feed device. A conductive housing of the first body includes a first closed slot, a second closed slot, a feed point and a ground point. The feed device includes a circuit substrate, a feed portion, a ground portion, a first connection portion and a second connection portion. The circuit substrate includes a first surface, a second surface, first conductive holes and second conductive holes, and the first surface faces the conductive housing. The feed portion and the ground portion are disposed on the second surface. The feed portion is electrically connected to the feed point, and the ground portion is electrically connected to the ground point. The feed device and the conductive housing form an antenna. The antenna operates in first and second bands through first and second paths formed by the first and the second closed slots.

Abstract: An antenna structure including a metal casing and an antenna assembly is provided. The metal casing has a slit and a slot adjacent to each other. A length of the slit is greater than a length of the slot, and a width of the slit is less than a width of the slot. The antenna assembly is located in the metal casing and near the slit and the slot. An antenna assembly includes a substrate and an antenna pattern. The antenna pattern is disposed on the substrate and encloses a closed zone. The antenna pattern includes a feed end and a ground end to form a first loop and a second loop. Orthographic projections of the antenna pattern and the enclosed closed zone on the metal casing overlap with the slot. The antenna pattern resonates with the slit and the slot to generate a first frequency band and a second frequency band. An electronic device having the antenna structure is further provided.

Abstract: An antenna structure includes a conductive housing and a feed element. The conductive housing includes an open slot. The feed element includes a substrate, a grounding portion, a shorting portion, a first feeding portion and a second feeding portion. The grounding portion and the shorting portion are connected with the conductive housing. The first feeding portion has a feeding point and is connected with the conductive housing via the shorting portion. The orthographic projections of the first and second feeding portions are within the open slot, and the orthographic projections of the grounding portion and the shorting portion are located at two sides of the open slot, respectively. The antenna structure operates at a first frequency band via a first path formed by the open slot, and operates at a second frequency band via a second path formed by the first and second feeding portions.

Abstract: An antenna structure including a conductive housing, a substrate, a ground element and a radiation element is provided. The conductive housing includes an open slot and a conductive segment adjacent to each other. The radiation element is disposed on a first surface of the substrate and is electrically connected to the ground element. A second surface of the substrate faces the open slot and the conductive segment. The ground element is electrically connected to the conductive housing. The radiation element has a feeding point and forms a first path. An orthogonal projection of the radiation element on the conductive housing is partially overlapping with the conductive segment such that the conductive housing and the radiation element form a second path. The antenna structure operates in a first band and a second band through the first path and the second path.

Abstract: A multiple antenna apparatus is provided. A first feed antenna unit is shared for receiving and transmitting radio frequency (RF) signals corresponding to a bandwidth of a first resonance mode, so as to increase antenna configurable space of the multiple antenna apparatus, and thus a closed slot antenna formed by a wire, a ground plane and a radiation element is able to be configured in the multiple antenna apparatus to receive and transmit the RF signals corresponding to a second resonance mode.

Abstract: An antenna structure including a grounding portion, a feeding portion, a first radiating portion, a second radiating portion, and a third radiating portion is provided. The first radiating portion is connected to the feeding portion, wherein the first radiating portion is adapted to generate a low-frequency resonant mode. The second radiating portion is connected to the feeding portion, wherein a first gap is formed between the first radiating portion and the second radiating portion, and the second radiating portion is adapted to generate a first high-frequency resonant mode. The third radiating portion is connected to the feeding portion, wherein a second gap is formed between the third radiating portion and the grounding portion, and the third radiating portion is adapted to generate a second high-frequency resonant mode. In addition, an electronic device including the antenna structure is also provided.

Abstract: An antenna system includes a system ground and two antenna units. The two antenna units are individually disposed on two opposite sides of the system ground and symmetrically mirrored with each other. Each antenna unit includes a circuit board, a first antenna pattern and a second antenna pattern. The first antenna pattern is disposed at one side of the circuit board. The first antenna pattern resonates to generate a first high resonant frequency. The second antenna pattern is disposed at the other side of the circuit board. The first antenna pattern resonates with part of the second antenna pattern to generate a low resonant frequency.

Abstract: A wireless communication device includes a metallic housing, a circuit board, a metallic heat sink, and first, second and third antennas. The metallic housing includes a chamber. The circuit board is disposed in the chamber for providing a feed signal. The metallic heat sink is disposed on the circuit board and divides the chamber into first and second regions. The first antenna is disposed at the first region along a first direction. The second antenna is disposed at the second region along a second direction perpendicular to the first direction. The third antenna is disposed at the second region along the first direction and located between the metallic heat sink and the second antenna. The first, second and third antennas are coupled with the circuit board. The first, second and third antennas receive the feed signal and at least are capable of generating signals at the same frequency band.

Abstract: A wireless communication system disposed at a wearable electronic device. The wearable electronic device includes a metallic accommodating housing and a first metallic curved piece. The first metallic curved piece is protrudingly disposed at one side of the metallic accommodating housing. The wireless communication system includes a circuit board, a first insulation cover and a first loop antenna. The circuit board is coupled with the first loop antenna to generate a first wireless radio-frequency signal. The first insulation cover surrounds the first metallic curved piece. The first antenna generates a first band and a second band by resonance according to the first wireless radio-frequency signal after electromagnetically coupled with the first metallic curved piece.

Abstract: A multiple antenna apparatus is provided. A first feed antenna unit is shared for receiving and transmitting radio frequency (RF) signals corresponding to a bandwidth of a first resonance mode, so as to increase antenna configurable space of the multiple antenna apparatus, and thus a closed slot antenna formed by a wire, a ground plane and a radiation element is able to be configured in the multiple antenna apparatus to receive and transmit the RF signals corresponding to a second resonance mode.

Abstract: An antenna module includes a first ground structure, a first radiation portion and a second radiation portion. The first ground structure includes a first ground portion, a second ground portion and ranged between the first ground portion and the second ground portion. The first radiation portion is configured to generate a first resonant mode accompanied with the first ground structure, including a first feeding terminal configured to send and receive a first antenna signal, and a first grounding terminal coupled to the first ground portion. The second radiation portion is configured to generate a second resonant mode in a manner of coupling with the first radiation portion, including a second feeding terminal configured to send and receive a second antenna signal, and a second grounding terminal coupled to the second ground portion.

Abstract: A wireless communication device includes a housing and a plurality of antenna units. The antenna units surround a surface of the housing and stand on a system ground. Each of the antenna units includes a first radiation part, a second radiation part and a conductive component. The first radiation part has a signal feed point for receiving a feeding signal. The second radiation part surrounds the first radiation part and has a first side, a second side, a first ground point and a second ground point, wherein the first side is parallel to the system ground while the second side is perpendicular to the system ground. The first side is perpendicular to the second side and shorter than the second side. The conductive component is disposed between the first side and the system ground and connected to the first side and the system ground.

Abstract: A wearable electronic device includes a middle frame, a metallic side wall, a dielectric element, and a antenna wiring circuit. The metallic side wall is disposed at one side of the middle frame and has a slot. The dielectric element is disposed at the slot and electrically isolates the metallic side wall and the middle frame. The antenna wiring circuit is disposed at the dielectric element and comprises a antenna pattern. The antenna pattern comprises first and second metal portions. The first metal portion comprises a slit surrounded by first to third segments. The first segment has a signal feeding terminal. The second metal portion is connected to the third segment and is located in the slit. The metallic side wall performs coupled resonant with the first metal portion and the second metal portion to generate a resonant frequency band.

Abstract: An antenna system includes a system ground and two antenna units. The two antenna units are individually disposed on two opposite sides of the system ground and symmetrically mirrored with each other. Each antenna unit includes a circuit board, a first antenna pattern and a second antenna pattern. The first antenna pattern is disposed at one side of the circuit board. The first antenna pattern resonates to generate a first high resonant frequency. The second antenna pattern is disposed at the other side of the circuit board. The first antenna pattern resonates with part of the second antenna pattern to generate a low resonant frequency.

Abstract: An antenna module is disclosed. The antenna module is applied to a mobile communication device and includes a first radiating element and a second radiating element. The first radiating element is disposed on a base board inside the mobile communication device, and one point of the first radiating element is a feed point of the antenna module. The second radiating element is disposed on the base board and is grounded by connecting to a P-sensor inside the mobile communication device. There is a gap between one part of the second radiating element and the first radiating element.

Abstract: A wearable electronic device is disclosed. Wearable electronic device includes a metal casing, a dielectric support part, a frame-shaped metal part, a dielectric sidewall and a first antenna wired circuit. The metal casing is electrically connected to the system ground. The dielectric support part is disposed on the metal casing. The frame-shaped metal part is disposed on the dielectric support part. One side of the frame-shaped metal part is electrically connected to the metal casing and another side of the frame-shaped metal part has a slot. The dielectric sidewall is surrounding within the metal casing. The first antenna wired circuit is disposed on the inner surface of the dielectric sidewall and insulated from the metal casing. The first antenna wired circuit is near the slot. The first antenna wired circuit and the frame-shaped metal part resonate a first resonant frequency band.

Abstract: An antenna module includes a parasitic unit and a first antenna unit. The parasitic unit includes a first parasitic radiation portion and a second parasitic radiation portion. The second parasitic radiation portion is electrically connected to the first parasitic radiation portion. The first parasitic radiation portion and the second parasitic radiation portion surround a central area. The first antenna unit includes a feeding terminal, a ground terminal and a first radiation portion, in which the ground terminal is electrically connected to a ground portion. The feeding terminal is configured to transmit and receive a first antenna signal. The first radiation portion is configured to collaborate with the parasitic unit to generate a first resonant mode. The first resonant mode includes a central frequency, a frequency twice of the central frequency and a frequency three times of the central frequency.