Abstract: A wireless communication device includes a metal cover and an antenna. The metal cover is formed with a slot. The antenna is disposed in the metal cover for resonating a radio-frequency signal via the slot, and includes a feed terminal, a radiator and a ground. The feed terminal is used for feeding the radio-frequency signal. The radiator includes a first arm electrically connected to the feed terminal and extended from the feed terminal along a first direction, and a second arm electrically connected to the first arm and extended from the first arm along a second direction, wherein the second arm is partially overlapped with a first edge of the slot.

Abstract: A radio-frequency transceiver device capable of reducing a specific absorption rate (SAR) includes an antenna including a radiating element and a grounding element, wherein the radiating element substantially extends along a first direction on a first plane; and a SAR suppression unit, substantially extending along the first direction and an edge of the radiating element of the antenna on the first plane and apart from the edge of the radiating element by a gap, for reducing the SAR of the antenna.

Abstract: A wireless communication device includes a metal cover and an antenna. The metal cover is formed with a slot. The antenna is disposed in the metal cover for resonating a radio-frequency signal via the slot, and includes a feed terminal, a radiator and a ground. The feed terminal is used for feeding the radio-frequency signal. The radiator includes a first arm electrically connected to the feed terminal and extended from the feed terminal along a first direction, and a second arm electrically connected to the first arm and extended from the first arm along a second direction, wherein the second arm is partially overlapped with a first edge of the slot.

Abstract: A capacitive loop antenna is disclosed. The capacitive loop antenna comprises a shorting-to-ground terminal, for providing grounding, a feeding terminal, for receiving a first radio frequency feeding signal, and a first capacitive loop. The first capacitive loop comprises a first connection element, a first radiator, comprising an end electrically connected to the feeding terminal via the first connection element, to feed the first radio frequency feeding signal to the first radiator, a second connection element, and a second radiator, comprising an end electrically connected to the shorting-to-ground terminal via the second connection element. A first section of another end of the first radiator is capacitively coupled with the second radiator.

Abstract: A broadband antenna for a wireless transceiver includes a grounding unit for grounding; a radiating part; a signal feed-in element for transmitting a radio signal to the radiating part in order to emit the radio signal via the radiating part, where a grounding terminal of the signal feed-in element is electrically connected to the grounding unit; a feed-in point, located on the radiating part; a capacitor, electrically connected between the feed-in point and the signal feed-in element; and an inductor, having a first terminal electrically connected to the capacitor.

Abstract: An antenna for an electronic device includes a grounding sheet for providing grounding, a metal sheet having a shape substantially corresponding to a rectangular with a first section at a first corner, a feed-in unit electrically connected to the metal sheet corresponding to a second corner adjacent to the first corner of the rectangular, for transmitting electromagnetic energy, and a shorting wall electrically connected to the grounding sheet and a first side of the metal sheet, for forming a resonating cavity, wherein the first side is opposite to a second side of the metal sheet, and the second side is adjacent to the first and second corners, wherein a length and a width of the rectangular are respectively related to frequency ranges of at least one operating frequency band, and the first section increases a frequency range of a first frequency band of the operating frequency bands.

Abstract: A radio-frequency transceiver device capable of reducing a specific absorption rate (SAR) includes an antenna including a radiating element and a grounding element, wherein the radiating element substantially extends along a first direction on a first plane; and a SAR suppression unit, substantially extending along the first direction and an edge of the radiating element of the antenna on the first plane and apart from the edge of the radiating element by a gap, for reducing the SAR of the antenna.

Abstract: An antenna structure has a first resonance mode and a second resonance mode. The antenna structure consists of a first radiation element, a second radiation element, a grounding element, and a signal feeding element. The first radiation element resonates at a first operating frequency band corresponding to the first resonance mode. The second radiation element is extended from a first end of the first radiation element and resonates at a second operating frequency band corresponding to the second resonance mode. The grounding element is extended from a second end of the first radiation element. The signal feeding element is disposed between the first radiation element and the grounding element. The second radiation element, the first radiation element, and the grounding element are formed by bending a slender metal sheet.

Abstract: An antenna apparatus includes a cable structure, a feed fitting, a ground fitting, and an antenna. The cable structure includes a feed segment and a ground segment, wherein the feed segment and the ground segment are arranged along an axial direction of the cable structure. The feed fitting and the ground fitting respectively electrically fit the feed segment and the ground segment. The antenna includes a body, a feed holding portion and a ground holding portion, wherein the body extends along the axial direction of the cable structure, the feed holding portion and the ground holding portion are arranged on the body along the axial direction, and the feed holding portion and the ground holding portion electrically clamp the feed fitting and the ground fitting, respectively.

Abstract: An antenna with multiple resonating conditions includes a grounding element electrically connected to a ground, a radiating element, a connection element electrically connected between the grounding element and the radiating element, a feed-in element electrically connected between the connection element and the grounding element for receiving feed-in signals, and a radiating-condition generating element electrically connected to the grounding element and extending from the grounding element to the radiating element.

Abstract: A capacitive loop antenna is disclosed. The capacitive loop antenna comprises a shorting-to-ground terminal, for providing grounding, a feeding terminal, for receiving a first radio frequency feeding signal, and a first capacitive loop. The first capacitive loop comprises a first connection element, a first radiator, comprising an end electrically connected to the feeding terminal via the first connection element, to feed the first radio frequency feeding signal to the first radiator, a second connection element, and a second radiator, comprising an end electrically connected to the shorting-to-ground terminal via the second connection element. A first section of another end of the first radiator is capacitively coupled with the second radiator.

Abstract: An active antenna with a wide bandwidth coverage is disclosed. The active antenna comprises a radiator, comprising at least two feeding points corresponding to two modes, a switch control circuit, for generating a switch control signal, and an active switch circuit, for switching to be coupled to one of the at least two feeding points.

Abstract: An antenna with multiple resonating conditions includes a grounding element electrically connected to a ground, a radiating element, a connection element electrically connected between the grounding element and the radiating element, a feed-in element electrically connected between the connection element and the grounding element for receiving feed-in signals, and a radiating-condition generating element electrically connected to the grounding element and extending from the grounding element to the radiating element.

Abstract: A dual-band antenna includes a ground plane, a loop antenna, and a monopole antenna. The loop antenna is connected to the ground plane, and has a radiator that forms a loop. The radiator has a first end and a second end adjacent to the first end, and is capable of resonating at a first frequency band. The monopole antenna has one end connected to the first end of the radiator of the loop antenna, and is capable of resonating at a second frequency band. A feed point is disposed at a connection between the first end of the radiator of the loop antenna and the monopole antenna. A ground point is disposed at the radiator of the loop antenna proximate to the second end of the radiator.

Abstract: An antenna manufacturing method includes printing an antenna pattern on a film, and forming a substrate on the film via an in-mold forming process.

Abstract: An antenna comprises a ground element, a transmission element, a conductive element and a coupling element. The conductive element connects the ground element and the transmission element. The coupling element extends from the conductive element substantially parallel to the transmission element, wherein the coupling element is located on a first plane, the transmission element is located on a second plane, and the second plane is parallel to the first plane.

Abstract: An antenna structure has a first resonance mode and a second resonance mode. The antenna structure consists of a first radiation element, a second radiation element, a grounding element, and a signal feeding element. The first radiation element resonates at a first operating frequency band corresponding to the first resonance mode. The second radiation element is extended from a first end of the first radiation element and resonates at a second operating frequency band corresponding to the second resonance mode. The grounding element is extended from a second end of the first radiation element. The signal feeding element is disposed between the first radiation element and the grounding element. The second radiation element, the first radiation element, and the grounding element are formed by bending a slender metal sheet.

Abstract: A dual-band antenna includes a ground plane, a loop antenna, and a monopole antenna. The loop antenna is connected to the ground plane, and has a radiator that forms a loop. The radiator has a first end and a second end adjacent to the first end, and is capable of resonating at a first frequency band. The monopole antenna has one end connected to the first end of the radiator of the loop antenna, and is capable of resonating at a second frequency band. A feed point is disposed at a connection between the first end of the radiator of the loop antenna and the monopole antenna. A ground point is disposed at the radiator of the loop antenna proximate to the second end of the radiator.

Abstract: The present invention discloses a multi-band antenna. The antenna includes a ground portion, a parasitic unit connecting with the ground portion and operated at a first frequency band, a first radiation portion having a feeding point and operated at a second frequency band, a second radiation portion connecting with the feeding point and operated at a third frequency band. The first radiation portion and the second radiation portion are located between the parasitic unit and the ground portion.

Abstract: An antenna comprises a ground element, a transmission element, a conductive element and a coupling element. The conductive element connects the ground element and the transmission element. The coupling element extends from the conductive element substantially parallel to the transmission element, wherein the coupling element is located on a first plane, the transmission element is located on a second plane, and the second plane is parallel to the first plane.