Abstract: An antenna for a mobile phone and a mobile phone having the same are provided. The antenna for a mobile phone includes: a metal mobile phone case provided with a first slot and a second slot intersecting with the first slot; a circuit board having a clearance zone and a parasitic branch stretching into the clearance zone, and disposed within the metal mobile phone case; an exciting sheet disposed between the circuit board and the metal mobile phone case, and across the first slot in a width direction of the first slot; a dielectric filler disposed between the exciting sheet and the metal mobile phone case, and configured to fill the first slot and the second slot.

Abstract: The present disclosure discloses a mobile terminal and an antenna device for same. The antenna device includes: a primary antenna and a first metal component. The primary antenna is disposed on the bottom of a mobile terminal and includes: a first antenna branch; a second antenna branch; and a first feed point. The first feed point is connected to a first end of the first antenna branch and a first end of the second antenna branch. The first feed point is connected to a mainboard of the mobile terminal. The first metal component is located on the bottom of the mobile terminal and includes a first metal segment, a second metal segment, and a third metal segment. The first metal segment, the second metal segment, and the third metal segment are sequentially arranged in a horizontal direction. The first metal segment and the third metal segment are connected to a metal rear case of the mobile terminal.

Abstract: An electronic device and an antenna of an electronic device are provided. The electronic device includes a metal shell, and the antenna includes: a radiating surface formed by metal shell and having a slot group penetrated therethrough in an up and down direction of the metal shell, the slot group including a plurality of slots; a medium filling layer including a body part disposed on a lower surface of the metal shell and a plurality of filling parts disposed on an upper surface of the body part and filled in the plurality of slots respectively; and an excitation sheet disposed on a lower surface of the medium filling layer.

Abstract: An antenna comprises: a circuit board; an antenna radiator, wherein the antenna radiator is provided with a first gap, a second gap, a first grounding piece, a second grounding piece and a feed piece, the first gap and the second gap forming a first inverted-F antenna connected to the first grounding piece and a second inverted-F antenna connected to the second grounding piece on the antenna radiator, and the feed piece being respectively connected to the first inverted-F antenna and the second inverted-F antenna; and an antenna frequency reconstruction system, wherein the antenna frequency reconstruction system is provided on the circuit board, the antenna frequency reconstruction system is respectively connected to the first grounding piece and the second grounding piece and is grounded, and the antenna frequency reconstruction system switches one of the first grounding piece and the second grounding piece to be grounded. Also provided are an antenna radiator and a mobile terminal.

Abstract: An electric device includes a metal shell having a back metal shell part and a first side metal shell part, and a first antenna which includes: a first radiating surface formed by the back metal shell part and the first side metal shell part and having a variant T-shaped group of slots and a first L-shaped slot, a part of the variant T-shaped group of slots being formed in the back metal shell part, and the other part thereof being formed in the first side metal shell part, the first L-shaped slot being formed in the first side metal shell part; a first dielectric sheet disposed on a front surface of the back metal shell part; and a first L-shaped feeder disposed on a front surface of the first dielectric sheet.

Abstract: An NFC antenna includes: at least two coils, where the at least two coils are disposed separately and are connected in series or in parallel to form an antenna circuit; at least one substrate, where the at least two coils are disposed on the at least one substrate, and two neighboring coils of the at least two coils are spaced by a substrate of the at least one substrate, projections of the two neighboring coils on the substrate of the at least one substrate at least partially overlap, the at least one substrate is provided with feed points connected to the antenna circuit, and a resonant frequency of the antenna circuit is 15-30 MHz.

Abstract: An antenna for a mobile phone and a mobile phone having the same are provided. The antenna for a mobile phone includes: a metal mobile phone case provided with a first slot and a second slot intersecting with the first slot; a circuit board having a clearance zone and a parasitic branch stretching into the clearance zone, and disposed within the metal mobile phone case; an exciting sheet disposed between the circuit board and the metal mobile phone case, and across the first slot in a width direction of the first slot; a dielectric filler disposed between the exciting sheet and the metal mobile phone case, and configured to fill the first slot and the second slot.

Abstract: An antenna comprises: a circuit board; an antenna radiator, wherein the antenna radiator is provided with a first gap, a second gap, a first grounding piece, a second grounding piece and a feed piece, the first gap and the second gap forming a first inverted-F antenna connected to the first grounding piece and a second inverted-F antenna connected to the second grounding piece on the antenna radiator, and the feed piece being respectively connected to the first inverted-F antenna and the second inverted-F antenna; and an antenna frequency reconstruction system, wherein the antenna frequency reconstruction system is provided on the circuit board, the antenna frequency reconstruction system is respectively connected to the first grounding piece and the second grounding piece and is grounded, and the antenna frequency reconstruction system switches one of the first grounding piece and the second grounding piece to be grounded. Also provided are an antenna radiator and a mobile terminal.

Abstract: An electronic device and an antenna of an electronic device are provided. The electronic device includes a metal shell, and the antenna includes: a radiating surface formed by metal shell and having a slot group penetrated therethrough in an up and down direction of the metal shell, the slot group including a plurality of slots; a medium filling layer including a body part disposed on a lower surface of the metal shell and a plurality of filling parts disposed on an upper surface of the body part and filled in the plurality of slots respectively; and an excitation sheet disposed on a lower surface of the medium filling layer.

Abstract: An electric device includes a metal shell having a back metal shell part and a first side metal shell part, and a first antenna which includes: a first radiating surface formed by the back metal shell part and the first side metal shell part and having a variant T-shaped group of slots and a first L-shaped slot, a part of the variant T-shaped group of slots being formed in the back metal shell part, and the other part thereof being formed in the first side metal shell part, the first L-shaped slot being formed in the first side metal shell part; a first dielectric sheet disposed on a front surface of the back metal shell part; and a first L-shaped feeder disposed on a front surface of the first dielectric sheet.