Abstract: A mobile device, at least including a metal housing, being substantially a hollow structure, wherein the metal housing has a back region and at least one side region, a first slit, formed on the metal housing, a dielectric substrate, comprising at least a first protruded portion, a first connection element, positioned between the metal housing and the dielectric substrate, and electrically coupled to the metal housing and a first signal source, positioned inside and electrically coupled to the metal housing, wherein at least one portion of the metal housing is configured to receive and transmit at least one wireless signal.

Abstract: A mobile device includes a dielectric substrate, a metal layer, a metal housing, a nonconductive partition, at least one connection element, and a feeding element. The metal layer is disposed on the dielectric substrate, and includes an upper element and a main element, wherein a slot is formed between the upper element and the main element. The metal housing is substantially a hollow structure, and has a slit, wherein the slit is substantially aligned with the slot of the metal layer. The connection element couples the upper element of the metal layer to the metal housing. The feeding element is coupled to the upper element of the metal layer or coupled to the metal housing. An antenna structure is formed by the feeding element, the upper element of the metal layer, the connection element, and the metal housing.

Abstract: A mobile device including a ground plane, a grounding branch, wherein a slot is formed between the ground plane and the grounding branch, a connecting element, wherein the grounding branch is electrically coupled through the connecting element to the ground plane and a feeding element, extending across the slot, and electrically coupled between the grounding branch and a signal source, wherein an antenna structure is formed by the grounding branch and the feeding element.

Abstract: A mobile device including a ground plane, a grounding branch, wherein a slot is formed between the ground plane and the grounding branch, a connecting element, wherein the grounding branch is electrically coupled through the connecting element to the ground plane and a feeding element, extending across the slot, and electrically coupled between the grounding branch and a signal source, wherein an antenna structure is formed by the grounding branch and the feeding element.

Abstract: A mobile device includes a dielectric substrate, a metal layer, a metal housing, a first nonconductive partition, a second nonconductive partition, a first connection element, and a second connection element. The dielectric substrate includes a first protruded portion. The metal layer lies on the dielectric substrate, and includes an upper element and a main element, wherein the upper element is separated from the main element by a first region. The metal housing is substantially a hollow structure, and has a first slit and a second slit, wherein a first projection of the first slit with respect to the dielectric substrate at least partially overlaps the first region, and a second projection of the second slit with respect to the dielectric substrate at least partially overlaps the first protruded portion. The mobile device is capable of operating in multiple bands.

Abstract: An antenna device, including a circuit board, electronic components, a functional component module, an antenna module and a feed line, is provided. The electronic components are disposed on the circuit board and include a microprocessor and a wireless communication chip. The functional component module includes a carrier and a metal member disposed on the carrier. The antenna module includes a feed point, a ground point and a radiator, the feed and ground points are disposed on the carrier and electrically connected to both sides of the metal member respectively, and the ground point is electrically connected to the ground layer of the circuit board. The radiator includes at least a part of the metal member, while the feed line can transmit a wireless signal to the feed point to feed into the radiator. Therefore, the metal member can serve as the radiator to conserve the space of accommodating another radiator.

Abstract: A wireless communication device is provided. The wireless communication device includes a housing, a circuit board, a radio frequency module and an antenna. The housing has a frame and a back cover to define a receiving space. The circuit board is disposed in the receiving space, and defines a clearance area from the housing in the receiving space. The circuit board includes a ground terminal, a first feeding point, and a second feeding point. The antenna includes at least one metal conductor coupled to the first feeding point and the second feeding point, respectively, to provide a low frequency resonant path, a first middle frequency resonant path, a second middle frequency resonant path and a high frequency resonant path.

Abstract: An antenna device, including a circuit board, electronic components, a functional component module, an antenna module and a feed line, is provided. The electronic components are disposed on the circuit board and include a microprocessor and a wireless communication chip. The functional component module includes a carrier and a metal member disposed on the carrier. The antenna module includes a feed point, a ground point and a radiator, the feed and ground points are disposed on the carrier and electrically connected to both sides of the metal member respectively, and the ground point is electrically connected to the ground layer of the circuit board. The radiator includes at least a part of the metal member, while the feed line can transmit a wireless signal to the feed point to feed into the radiator. Therefore, the metal member can serve as the radiator to conserve the space of accommodating another radiator.

Abstract: A wireless communication device is provided. The wireless communication device includes a housing, a circuit board, a radio frequency module and an antenna. The housing has a frame and a back cover to define a receiving space. The circuit board is disposed in the receiving space, and defines a clearance area from the housing in the receiving space. The circuit board includes a ground terminal, a first feeding point, and a second feeding point. The antenna includes at least one metal conductor coupled to the first feeding point and the second feeding point, respectively, to provide a low frequency resonant path, a first middle frequency resonant path, a second middle frequency resonant path and a high frequency resonant path.

Abstract: A wireless communication device is provided. The wireless communication device includes a housing, a circuit board, a radio frequency module and an antenna. The housing has a frame and a back cover to define a receiving space. The circuit board is disposed in the receiving space, and defines a clearance area from the housing in the receiving space. The circuit board includes a ground terminal, a first feeding point, and a second feeding point. The antenna includes at least one metal conductor coupled to the first feeding point and the second feeding point, respectively, to provide a low frequency resonant path, a first middle frequency resonant path, a second middle frequency resonant path and a high frequency resonant path.

Abstract: A wireless communication device is provided. The wireless communication device includes a housing, a circuit board, a radio frequency module and an antenna. The housing has a frame and a back cover to define a receiving space. The circuit board is disposed in the receiving space, and defines a clearance area from the housing in the receiving space. The circuit board includes a ground terminal, a first feeding point, and a second feeding point. The antenna includes at least one metal conductor coupled to the first feeding point and the second feeding point, respectively, to provide a low frequency resonant path, a first middle frequency resonant path, a second middle frequency resonant path and a high frequency resonant path.

Abstract: A wireless communication device that has a circuit board, an RF signal module, a capacitive touch-sensing component, or a functional component, and an antenna component is provided. The touch-sensing signal module is disposed on the circuit board. The capacitive touch-sensing component includes a sensing layer and a ground layer. The sensing layer is electrically connected to the touch-sensing signal module. The antenna component includes a feed point and a radiating body. The feed point is disposed on the ground layer and is electrically connected to the RF single module. The radiating body incorporates at least parts of the ground layer. Alternatively, the feed point is disposed on the sensing layer, and the radiating body incorporates at least parts of the sensing layer. Therefore, the radiating body is incorporated into the sensing layer or ground layer of the capacitive touch-sensing component and can save accommodating space.

Abstract: A mobile device including a ground plane, a grounding branch, wherein a slot is formed between the ground plane and the grounding branch, a connecting element, wherein the grounding branch is electrically coupled through the connecting element to the ground plane and a feeding element, extending across the slot, and electrically coupled between the grounding branch and a signal source, wherein an antenna structure is formed by the grounding branch and the feeding element.

Abstract: A mobile device includes a metal housing and an antenna structure. A ground plane and a ground branch form at least a portion of the metal housing. The ground branch is coupled to the ground plane. A slot is formed between the ground branch and the ground plane. A circuit element is coupled to the ground branch and the ground plane. The antenna structure is formed by the ground branch. The antenna structure is excited by a signal source.

Abstract: A mobile device includes an antenna structure, a signal source, a tunable circuit element, and a tuner. The antenna structure includes a radiation element. The tunable circuit element is coupled to the radiation element. The antenna structure and the tunable circuit element are disposed in a clearance region of the mobile device. The tuner has a variable impedance value, and is coupled between the tunable circuit element and the signal source. The tuner and the signal source are disposed in a circuit board region of the mobile device.

Abstract: A wireless communication device that has a circuit board, an RF signal module, a capacitive touch-sensing component, or a functional component, and an antenna component is provided. The touch-sensing signal module is disposed on the circuit board. The capacitive touch-sensing component includes a sensing layer and a ground layer. The sensing layer is electrically connected to the touch-sensing signal module. The antenna component includes a feed point and a radiating body. The feed point is disposed on the ground layer and is electrically connected to the RF single module. The radiating body incorporates at least parts of the ground layer. Alternatively, the feed point is disposed on the sensing layer, and the radiating body incorporates at least parts of the sensing layer. Therefore, the radiating body is incorporated into the sensing layer or ground layer of the capacitive touch-sensing component and can save accommodating space.

Abstract: A mobile device includes a system circuit board, a metal frame, a first feeding element, a second feeding element, and an RF (Radio Frequency) module. The system circuit board includes a system ground plane. The metal frame includes a first portion and a second portion. The metal frame has a first cut point positioned between the first portion and the second portion. The first feeding element is directly or indirectly electrically connected to the first portion. A first antenna structure is formed by the first feeding element and the first portion. The second feeding element is directly or indirectly electrically connected to the second portion. A second antenna structure is formed by the second feeding element and the second portion. The RF module is electrically coupled to the first feeding element and the second feeding element, so as to excite the first antenna structure and second antenna structure.

Abstract: A mobile device includes a first circuit board, a metal frame, an extension radiation element, an electronic component, a second circuit board, and an RF (Radio Frequency) module. The first circuit board includes a system ground plane. The metal frame includes a first portion coupled to the system ground plane. A clearance region is formed between the first portion and the system ground plane. The first portion and the extension radiation element are both coupled to a feeding point. An antenna structure is formed by the first portion and the extension radiation element. The second circuit board is coupled to the electronic component. The electronic component and the second circuit board are both adjacent to the first portion. The RF module is coupled to the feeding point, so as to excite the antenna structure.

Abstract: A mobile device includes a ground plane, a grounding branch, and a feeding element. The grounding branch is coupled to the ground plane, wherein a slot is formed between the ground plane and the grounding branch. The feeding element extends across the slot. The feeding element is coupled between the grounding branch and a signal source. An antenna structure is formed by the feeding element and the grounding branch.

Abstract: A wireless communication device is provided. The wireless communication device includes a housing, a circuit board, a radio frequency module and an antenna. The housing has a frame and a back cover to define a receiving space. The circuit board is disposed in the receiving space, and defines a clearance area from the housing in the receiving space. The circuit board includes a ground terminal, a first feeding point, and a second feeding point. The antenna includes at least one metal conductor coupled to the first feeding point and the second feeding point, respectively, to provide a low frequency resonant path, a first middle frequency resonant path, a second middle frequency resonant path and a high frequency resonant path.