Abstract: A miniature antenna includes a feed-in element, a grounding element, a short circuit element and a radiating element. The grounding element includes a feed-in end portion and a link portion connected with the feed-in end portion. The feed-in end portion includes a feed-in point provided for feed-in of a radio frequency signal. The grounding element is spaced apart from the feed-in element and is disposed adjacent to the feed-in point. The short circuit element extends from the link portion to the grounding element, and substantially surrounds the feed-in end portion. The radiating element extends from the link portion, and substantially surrounds the short circuit element.

Abstract: An antenna is provided. The antenna includes a ground element, a connection element, a first radiator and a second radiator. The connection element is connected to the ground element. The first radiator is connected to the connection element and extends toward a first direction, wherein the first radiator transmits a first wireless signal. The second radiator is connected to the connection element and extends toward the first direction, wherein the second radiator is parallel to the first radiator, the second radiator transmits a second wireless signal, and a frequency of the first wireless signal is different from a frequency of the second wireless signal, and when the antenna transmits the first and second wireless signals, the first radiator resonates with the second radiator.

Abstract: A sensing element suitable for sensing an interference signal radiated by an object under test is provided, including a substrate, a ground plane and a sensing antenna. The ground plane is disposed on a first surface of the substrate. The sensing antenna is disposed on the first surface of the substrate and is located on a first side of the ground plane. The sensing antenna and the ground plane are separated by a preset distance. Besides, the sensing antenna is electrically connected to the ground plane through a coaxial wire and receives the interference signal through the ground plane.

Abstract: An antenna testing unit is provided. The antenna testing unit includes a ground element and a radiator. The radiator includes a body, a first radiator unit and a second radiator unit. The body corresponds to the ground element. The first radiator unit is connected to the body, comprising a first wing shaped portion and a second wing shaped portion, wherein a shape of the first wing shaped portion is symmetrical to a shape of the second wing shaped portion. The second radiator unit is connected to the body, and comprises a first section and a second section, wherein the first section extends toward the first wing shaped portion, and the second section extends toward the second wing shaped portion.

Abstract: An antenna structure is provided. The antenna structure includes a circular area, a feed point, a first radiator and a second radiator. The circular area includes a first region and a second region. The feed point is disposed at a center of the circular area. The first radiator is coupled to the feed point, and winds outwardly in one direction in the shape of a semicircular arch in the first region. The second radiator is coupled to the feed point, and winds outwardly in an opposite direction to windings of the first radiator in the shape of a semicircular arch in the second region.

Abstract: An antenna resonator unit is provided. The antenna resonator unit is adapted to be selectively connected to a first radiator or a second radiator, which includes a substrate and a resonator. The shape of the resonator is formed on the substrate, wherein the shape of the resonator is U-shaped, and includes a first end portion and a second end portion, wherein a ground point is formed on the first end portion, a radiator connection point is formed on the second end portion, and a feed point is disposed on the second end portion, wherein the radiator connection point is selectively connected to the first radiator or the second radiator.

Abstract: A monopole antenna for an electronic device includes a grounding element electrically connected to a ground, a radiating element including a first radiator and a second radiator for transmitting and receiving a wireless signal of a first frequency band, a coupling element electrically connected to the second radiator for transmitting and receiving a wireless signal of a second frequency band, and a feed-in element electrically connected between the second radiator of the radiating element and the grounding element for transmitting the wireless signals of the first frequency band and the second frequency band.

Abstract: An improved method of loop antenna and improved loop antenna thereof are provided, the method is used to generate an antenna resonant frequency for a conformed specific communication by modifying a resonant wavelength of a basic loop antenna. The improved method of loop antenna includes the following steps: connecting a first antenna radiator to a resonant point of the basic loop antenna electrically, and using an additional length from the connected first antenna radiator additional length to increase the resonant wavelength of the basic loop antenna, in order to generate an antenna resonant frequency conformed to the specific communication system.

Abstract: A monopole antenna for an electronic device includes a grounding element electrically connected to a ground, a radiating element including a first radiator and a second radiator for transmitting and receiving a wireless signal of a first frequency band, a coupling element electrically connected to the second radiator for transmitting and receiving a wireless signal of a second frequency band, and a feed-in element electrically connected between the second radiator of the radiating element and the grounding element for transmitting the wireless signals of the first frequency band and the second frequency band.

Abstract: A compact antenna for transmitting or receiving a radio frequency signal includes a metal wire extending from a first location to a second location, an insulation layer extending from the first location to a third location, for covering a portion of the metal wire from the first location to the third location, a metal weave extending from the first location to a fourth location, for covering a portion of the insulation layer from the first location to the fourth location, and a grounding metal tube extending from a fifth location to the third location, for covering a portion of the metal weave from the fifth location to the fourth location, and covering a portion of the insulation layer from the fourth location to the third location.

Abstract: An antenna for transmitting a wireless signal is provided. The antenna includes a radiator and a ground structure. The ground structure surrounds the radiator. The ground structure includes a low-band spiral portion, a band separation portion and a high-band spiral portion. The low-band spiral portion and the high-band spiral portion are respectively connected to two ends of the band separation portion.

Abstract: An antenna is provided. The antenna includes a ground element, a connection element, a first radiator and a second radiator. The connection element is connected to the ground element. The first radiator is connected to the connection element and extends toward a first direction, wherein the first radiator transmits a first wireless signal. The second radiator is connected to the connection element and extends toward the first direction, wherein the second radiator is parallel to the first radiator, the second radiator transmits a second wireless signal, and a frequency of the first wireless signal is different from a frequency of the second wireless signal, and when the antenna transmits the first and second wireless signals, the first radiator resonates with the second radiator.

Abstract: An antenna structure consists of a substrate, a radiation element, a signal feeding element, and a grounding element. The radiation element includes a first radiator and a second radiator coupled to the first radiator, wherein the first radiator is identical to the second radiator. The signal feeding element is coupled to a joint of the first radiator and the second radiator, wherein the first radiator and the second radiator are symmetrically disposed in the left and right sides of the signal feeding element to permute an array. The grounding element includes a first grounding sub-element and a second grounding sub-element, wherein the first grounding sub-element is coupled between the first radiator and the substrate and the second grounding sub-element is coupled between the second radiator and the substrate. The first grounding sub-element is identical to the second grounding sub-element.

Abstract: A compact antenna for transmitting or receiving a radio frequency signal includes a metal wire extending from a first location to a second location, an insulation layer extending from the first location to a third location, for covering a portion of the metal wire from the first location to the third location, a metal weave extending from the first location to a fourth location, for covering a portion of the insulation layer from the first location to the fourth location, and a grounding metal tube extending from a fifth location to the third location, for covering a portion of the metal weave from the fifth location to the fourth location, and covering a portion of the insulation layer from the fourth location to the third location.

Abstract: An antenna module for wireless signal transmission of an electronic device is disclosed. The antenna module comprises an antenna body and a fixing part. The antenna body comprises a radiating element, a grounding element, a connecting element, and a feeding point. The radiating element has a first radiating area and a second radiating area. The connecting element has a first end and a second end. The first end is connected with the first radiating area of the radiating element and the second end is connected with the grounding element. The feeding point is disposed on the radiating element and is used to feed a signal. The fixing part comprises a main body and a first clip portion. The main body is used to match the shape of the antenna body. The first clip portion is used to clip and fix the antenna body.

Abstract: The antenna of the invention includes a transceiver unit and a dielectric unit. The transceiver unit has a ground portion, a radial portion, a conductive portion and a feed portion. The ground portion and the radial portion are disposed apart in parallel, so as to form a space therebetween. The distance between the ground portion and the radial portion is defined as a transceiver unit height. The dielectric unit is disposed in the space. That is, the dielectric unit is disposed between the ground portion and the radial portion. The dielectric unit has a dielectric unit thickness less than the transceiver unit height. In one embodiment, the ratio of the dielectric unit thickness to the transceiver unit height is preferably between 0.4 and 0.7.

Abstract: An antenna module is adapted for receiving a radio frequency current signal, and includes a radiator unit, a connecting unit, and a ground unit. The radiator unit includes a radiator body, and a feed-in part for receiving the radio frequency current signal. The connecting unit extends from and extends substantially perpendicular to the radiator body, and has one end that is opposite to the radiator body. The ground unit includes first and second grounds parts. The first ground part extends from the one end of the connecting unit, extends parallel to the connecting unit, and has one end that is opposite to the connecting unit. The second ground part extends from the one end of the first ground part, and extends substantially perpendicular to the first ground part in a manner that the radiator body, the connecting unit, and the ground unit cooperate to form a receiving space.

Abstract: An antenna structure consists of a substrate, a radiation element, a signal feeding element, and a grounding element. The radiation element includes a first radiator and a second radiator coupled to the first radiator, wherein the first radiator is identical to the second radiator. The signal feeding element is coupled to a joint of the first radiator and the second radiator, wherein the first radiator and the second radiator are symmetrically disposed in the left and right sides of the signal feeding element to permute an array. The grounding element includes a first grounding sub-element and a second grounding sub-element, wherein the first grounding sub-element is coupled between the first radiator and the substrate and the second grounding sub-element is coupled between the second radiator and the substrate. The first grounding sub-element is identical to the second grounding sub-element.

Abstract: An antenna module for wireless signal transmission of an electronic device is disclosed. The antenna module comprises an antenna body and a fixing part. The antenna body comprises a radiating element, a grounding element, a connecting element, and a feeding point. The radiating element has a first radiating area and a second radiating area. The connecting element has a first end and a second end. The first end is connected with the first radiating area of the radiating element and the second end is connected with the grounding element. The feeding point is disposed on the radiating element and is used to feed a signal. The fixing part comprises a main body and a first clip portion. The main body is used to match the shape of the antenna body. The first clip portion is used to clip and fix the antenna body.

Abstract: The antenna of the invention includes a transceiver unit and a dielectric unit. The transceiver unit has a ground portion, a radial portion, a conductive portion and a feed portion. The ground portion and the radial portion are disposed apart in parallel, so as to form a space therebetween. The distance between the ground portion and the radial portion is defined as a transceiver unit height. The dielectric unit is disposed in the space. That is, the dielectric unit is disposed between the ground portion and the radial portion. The dielectric unit has a dielectric unit thickness less than the transceiver unit height. In one embodiment, the ratio of the dielectric unit thickness to the transceiver unit height is preferably between 0.4 and 0.7.