Abstract: An antenna structure and an electronic device are provided. The electronic device includes a housing and the antenna structure disposed in the housing. The antenna structure includes a grounding element, a feeding radiation element, a feeding element, a first grounding radiation element, and a switching element. The feeding radiation element includes a first radiating portion, a second radiating portion, and a third radiating portion. The first radiating portion and the second radiating portion jointly surround the first grounding radiation element. The first radiating portion and the first grounding radiation element are separate from each other and coupled with each other. The switching element is electrically connected to the first grounding radiation element.

Abstract: An electronic device includes a metal housing and an antenna structure. The metal housing includes a first housing and a second housing. The antenna structure is disposed between the first housing and the second housing. The antenna structure includes a carrier, a radiating element, a grounding metal member, a first grounding extension structure, and a reactive element. A first metal portion of the grounding metal member is electrically connected to the first housing, and a second metal portion of the grounding metal member is electrically connected to the second housing. The first grounding extension structure is connected to the first metal portion and the second metal portion. The reactive element is electrically connected between the radiating element and the second metal portion.

Abstract: An electronic device includes a housing, an antenna structure, and a feeding element. The antenna structure includes a grounding element, a feeding radiation element, a switching circuit, and a first parasitic radiation element. The feeding radiation element includes a feeding portion, a first radiating portion, a second radiating portion, a first grounding arm, and a second grounding arm. The feeding portion is connected between the first radiating portion and the second radiating portion. The first grounding arm and the second grounding arm are connected to the first radiating portion. The switching circuit is electrically connected to the first grounding arm and the second grounding arm. The first parasitic radiation element is connected to the grounding element and coupled with the feeding radiation element.

Abstract: An antenna structure is disposed on a metal case. The metal case includes a surface. The antenna structure includes a slot and a metal unit. The slot is formed on the surface along a direction. The metal unit is disposed on the metal case. The metal unit includes at least one blocking part. The at least one blocking part is in contact with the surface, extended toward and crossed over the slot to separate the slot into a plurality of slot paths.

Abstract: An electronic device having an antenna structure is disclosed. The antenna structure includes a substrate, a first radiating portion, a second radiating portion connected to the first radiating portion, a grounding portion, a shorting portion connected between the second radiating portion and the grounding portion, a third radiating portion, a first grounding extension portion connected between the third radiating portion and the grounding portion, and a first capacitive element coupled between a first section and a second section of the shorting portion. The coupling of the shorting portion, the first grounding extension portion, and the third radiating portion generates a first operating frequency band, and the coupling of the first radiating portion, the shorting portion, the first grounding extension portion, and the third radiating portion generates a second operating frequency band, which is higher than the first operating frequency band, through the matching of the first capacitive element.

Abstract: An antenna structure includes a first ground element, a second ground element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a fifth radiation element, and a first capacitor. The first capacitor is coupled between the first radiation element and the first ground element. The second radiation element and the third radiation element are coupled to the second ground element, and are disposed adjacent to the first radiation element. The first radiation element is disposed between the second radiation element and the third radiation element. The fourth radiation element and the fifth radiation element are coupled between the first ground element and the second ground element. The first radiation element, the second radiation element, and the third radiation element are substantially surrounded by the first ground element, the second ground element, the fourth radiation element, and the fifth radiation element.

Abstract: An electronic device includes a housing and an antenna structure disposed in the housing. The antenna structure includes a grounding element, a shorting radiation element, a feeding radiation element, a radiating element, a parasitic radiation element, and a feeding element. The shorting radiation element is connected to the grounding element. The feeding radiation element includes a feeding portion, a first radiating portion, a second radiating portion, and a third radiating portion. The feeding portion is connected to the shorting radiation element, the first radiating portion, the second radiating portion, and the third radiating portion. The radiating element is connected to the grounding element. The parasitic radiation element is connected to the radiating element. The parasitic radiation element is located between the third radiating portion and the grounding element.

Abstract: An antenna structure and an electronic device are provided. The electronic device includes a housing and the antenna structure disposed therein. The antenna structure includes a grounding element, a feeding radiation element, a feeding element and a first grounding radiation element. The feeding radiation element includes a first radiating portion, a second radiating portion and a third radiating portion. The first radiating portion and the second radiating portion jointly surround the first grounding radiation element. The first radiating portion is spaced apart from and coupled with the first grounding radiation element to generate a first operating frequency band. The second radiating portion is spaced apart from and coupled with the first grounding radiation element to generate a second operating frequency band. The first operating frequency band is lower than the second operating frequency band.

Abstract: An electronic device and an antenna structure are provided. The antenna structure includes a grounding element, a feeding radiation element, a feeding element, a switching circuit, and a first parasitic radiation element. The feeding radiation element includes a feeding portion, a first radiating portion, and a second radiating portion. The feeding portion is connected between the first radiating portion and the second radiating portion. The feeding element includes a grounding end and a feeding end. The grounding end is connected to the grounding element. The feeding end is connected to the feeding portion or the second radiating portion. The switching circuit is electrically connected to the grounding element. The first parasitic radiation element includes a first grounding branch and a second grounding branch. The first grounding branch and the second grounding branch are electrically connected to the switching circuit.

Abstract: An antenna structure and an electronic device are provided. The electronic device includes a housing and the antenna structure disposed in the housing. The antenna structure includes a grounding element, a feeding radiation element, a feeding element, a first grounding radiation element, and a switching element. The feeding radiation element includes a first radiating portion, a second radiating portion, and a third radiating portion. The first radiating portion and the second radiating portion jointly surround the first grounding radiation element. The first radiating portion and the first grounding radiation element are separate from each other and coupled with each other. The switching element is electrically connected to the first grounding radiation element.

Abstract: An electronic device and an antenna feeding device are provided. The electronic device includes a metal housing, a radiation element, a substrate, a grounding element and an electrostatic protection element. The antenna feeding device includes a substrate, a grounding element, and an electrostatic protection element. The radiation element is arranged along the edge of the electronic device, and the radiation element and the metal housing are separated from each other. The substrate is arranged on the metal housing. The substrate includes a feeding portion and a grounding portion, and the feeding portion is coupled to the radiating element. The grounding portion is coupled to the metal housing. The grounding element is electrically connected to the metal housing, and the grounding element is coupled to the grounding portion. The electrostatic protection element is electrically connected between the feeding portion and the grounding portion.

Abstract: An antenna structure and an electronic device are provided. The electronic device includes a housing and the antenna structure disposed therein. The antenna structure includes a grounding element, a feeding radiation element, a feeding element and a first grounding radiation element. The feeding radiation element includes a first radiating portion, a second radiating portion and a third radiating portion. The first radiating portion and the second radiating portion jointly surround the first grounding radiation element. The first radiating portion is spaced apart from and coupled with the first grounding radiation element to generate a first operating frequency band. The second radiating portion is spaced apart from and coupled with the first grounding radiation element to generate a second operating frequency band. The first operating frequency band is lower than the second operating frequency band.

Abstract: An antenna structure includes a ground element, a first radiation element, a second radiation element, a third radiation element, and a dielectric substrate. The first radiation element has a feeding point. The first radiation element is coupled to a first grounding point on the ground element. The second radiation element is coupled to the feeding point. The third radiation element is coupled to a second grounding point on the ground element. The third radiation element is adjacent to the second radiation element. The ground element, the first radiation element, the second radiation element, and the third radiation element are all disposed on the dielectric substrate.

Abstract: An electronic device having an antenna structure is disclosed. The antenna structure includes a substrate, a first radiating portion, a second radiating portion connected to the first radiating portion, a grounding portion, a shorting portion connected between the second radiating portion and the grounding portion, a third radiating portion, a first grounding extension portion connected between the third radiating portion and the grounding portion, and a first capacitive element coupled between a first section and a second section of the shorting portion. The coupling of the shorting portion, the first grounding extension portion, and the third radiating portion generates a first operating frequency band, and the coupling of the first radiating portion, the shorting portion, the first grounding extension portion, and the third radiating portion generates a second operating frequency band, which is higher than the first operating frequency band, through the matching of the first capacitive element.

Abstract: An antenna structure includes a first ground element, a second ground element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a fifth radiation element, and a first capacitor. The first capacitor is coupled between the first radiation element and the first ground element. The second radiation element and the third radiation element are coupled to the second ground element, and are disposed adjacent to the first radiation element. The first radiation element is disposed between the second radiation element and the third radiation element. The fourth radiation element and the fifth radiation element are coupled between the first ground element and the second ground element. The first radiation element, the second radiation element, and the third radiation element are substantially surrounded by the first ground element, the second ground element, the fourth radiation element, and the fifth radiation element.

Abstract: A mobile device includes a metal mechanism element, a dielectric substrate, a ground plane, a parasitic radiation element, and a feeding radiation element. A connection end of the parasitic radiation element is coupled to the ground plane. The parasitic radiation element includes a first widening portion, which is positioned at a bend of the parasitic radiation element. The parasitic radiation element has a vertical projection on the metal mechanism element. The vertical projection at least partially overlaps a first closed end of the slot. The feeding radiation element is disposed between the parasitic radiation element and the ground plane. The dielectric substrate is adjacent to the metal mechanism element. The parasitic radiation element and the feeding radiation element are disposed on the dielectric substrate. An antenna structure is formed by the parasitic radiation element, the feeding radiation element, and the slot of the metal mechanism element.

Abstract: An antenna structure includes a metal mechanism element, a dielectric substrate, a feeding radiation element, a coupling radiation element, a ground plane, a first shorting element, a second shorting element, and a circuit element. The metal mechanism element has a slot. The dielectric substrate has a first surface and a second surface which are opposite to each other. The feeding radiation element extends across the slot. The coupling radiation element is adjacent to the feeding radiation element. The first shorting element is coupled to a first grounding point on the ground plane. The second shorting element is coupled to the metal mechanism element. The circuit element is coupled between the first shorting element and the second shorting element. The coupling radiation element is disposed on the first surface of the dielectric substrate. The feeding radiation element is disposed on the second surface of the dielectric substrate.

Abstract: An antenna structure includes a ground element, a first radiation element, a second radiation element, a third radiation element, and a dielectric substrate. The first radiation element has a feeding point. The first radiation element is coupled to a first grounding point on the ground element. The second radiation element is coupled to the feeding point. The third radiation element is coupled to a second grounding point on the ground element. The third radiation element is adjacent to the second radiation element. The ground element, the first radiation element, the second radiation element, and the third radiation element are all disposed on the dielectric substrate.

Abstract: An electronic device and an antenna feeding device are provided. The electronic device includes a metal housing, a radiation element, a substrate, a grounding element and an electrostatic protection element. The antenna feeding device includes a substrate, a grounding element, and an electrostatic protection element. The radiation element is arranged along the edge of the electronic device, and the radiation element and the metal housing are separated from each other. The substrate is arranged on the metal housing. The substrate includes a feeding portion and a grounding portion, and the feeding portion is coupled to the radiating element. The grounding portion is coupled to the metal housing. The grounding element is electrically connected to the metal housing, and the grounding element is coupled to the grounding portion. The electrostatic protection element is electrically connected between the feeding portion and the grounding portion.

Abstract: A mobile device includes a metal mechanism element, a ground plane, a first parasitic radiation element, a second parasitic radiation element, a feeding radiation element, and a dielectric substrate. The metal mechanism element has a slot. The first parasitic radiation element and the second parasitic radiation element are both coupled to the metal mechanism element. The first parasitic radiation element and the second parasitic radiation element both extend across the slot. The feeding radiation element is disposed between the first parasitic radiation element and the second parasitic radiation element. An antenna structure is formed by the feeding radiation element, the first parasitic radiation element, the second parasitic radiation element, and the slot of the metal mechanism element. The antenna structure covers at least a first frequency band. The length of the slot is shorter than 0.48 wavelength of the first frequency band.