EP4224630B1 - Appareil d'antenne et dispositif électronique - Google Patents

Appareil d'antenne et dispositif électronique

Info

Publication number
EP4224630B1
EP4224630B1 EP20955705.7A EP20955705A EP4224630B1 EP 4224630 B1 EP4224630 B1 EP 4224630B1 EP 20955705 A EP20955705 A EP 20955705A EP 4224630 B1 EP4224630 B1 EP 4224630B1
Authority
EP
European Patent Office
Prior art keywords
radiator
excitation signal
filter circuit
terminal
feed source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20955705.7A
Other languages
German (de)
English (en)
Other versions
EP4224630A4 (fr
EP4224630A1 (fr
Inventor
Zedong WANG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of EP4224630A1 publication Critical patent/EP4224630A1/fr
Publication of EP4224630A4 publication Critical patent/EP4224630A4/fr
Application granted granted Critical
Publication of EP4224630B1 publication Critical patent/EP4224630B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/335—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364—Creating multiple current paths
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength

Definitions

  • This disclosure relates to the field of communication technology, and in particular, to an antenna apparatus and an electronic device.
  • the electronic device can support multiple communication modes such as cellular network communication, Wireless Fidelity (Wi-Fi) communication, global positioning system (GPS) communication, Bluetooth (BT) communication, and near field communication (NFC).
  • Wi-Fi Wireless Fidelity
  • GPS global positioning system
  • BT Bluetooth
  • NFC near field communication
  • CN110931956 A relates to a device including a metal frame body which is provided with a fracture, a first grounding point, and a second grounding point.
  • Part of the frame body between the fracture and the first grounding point is a first radiation arm, and part of the frame body between the fracture and the second grounding point is a second radiation arm.
  • the first radiation arm is spaced part from and coupled to the second radiation arm.
  • a first end of a first frequency modulation circuit is connected to the first radiation arm, and a first feed source cooperates with the first frequency modulation circuit to generate a first frequency band signal.
  • a first end of a second frequency modulation circuit is connected to the second radiation arm, a second feed source cooperates with the second frequency modulation circuit to generate a second frequency band signal, and the first frequency band signal is different from the second frequency band signal.
  • FIG. 1 is a first schematic structural diagram of an electronic device provided in the embodiments of the disclosure.
  • the electronic device 100 includes a display screen 110, a middle frame 120, a circuit board 130, a battery 140, and a rear housing 150.
  • the display screen 110 may be disposed on the middle frame 120, and connected to the rear housing 150 through the middle frame 120 to serve as a display surface of the electronic device 100.
  • the display screen 110 is configured to display information such as images and texts.
  • the display screen 110 may be a liquid crystal display (LCD) screen, an organic light-emitting diode (OLED) display screen, or other types of display screens.
  • LCD liquid crystal display
  • OLED organic light-emitting diode
  • the display screen 110 may be a full screen, which means that the entire display screen 110 serves as a display region and has no non-display region, or that a non-display region on the display screen 110 only occupies a small area for a user so that the display screen 110 has a relatively high screen-to-body ratio.
  • the display screen 110 may also be a non-full screen, which means that the display screen 110 includes a display region and a non-display region adjacent to the display region. The display region is used to display information, and the non-display region cannot display information.
  • the display screen 110 may also be provided with a cover plate (not illustrated) to protect the display screen 110, thereby preventing the display screen 110 from being scratched or from being damaged by water.
  • the cover plate may be a transparent glass cover plate, so that the user can observe contents displayed on the display screen 110 through the cover plate.
  • the cover plate may be a glass cover plate made of sapphire.
  • the middle frame 120 may be a sheet-like structure or a hollow frame structure.
  • the middle frame 120 is used to support electronic elements or functional components in the electronic device 100, so that the electronic elements and functional components of the electronic device 100 can be mounted in the electronic device 100.
  • the middle frame 120 may have structures such as grooves, protrusions, and through holes to facilitate mounting of the electronic elements or functional components of the electronic device 100.
  • the middle frame 120 may be made of metal, plastic, or the like.
  • the circuit board 130 may be fixed on the middle frame 120, and is sealed in the electronic device 100 with aid of the rear housing 150.
  • the circuit board 130 may be a mainboard of the electronic device 100.
  • the circuit board 130 may be provided with a feed source, where the feed source is electrically connected to an antenna radiator, so that the antenna radiator is capable of transmitting wireless signals.
  • the circuit board 130 may be integrated with a processor.
  • the circuit board 130 may also be integrated with one or more of functional components such as an earphone jack, an acceleration sensor, a gyroscope, and a motor.
  • the display screen 110 may be electrically connected to the circuit board 130, so that a display on the display screen 110 can be controlled by the processor on the circuit board 130.
  • the battery 140 is disposed on the middle frame 120 and is sealed in the electronic device 100 with aid of the rear housing 150.
  • the battery 140 is electrically connected to the circuit board 130 to power the electronic device 100.
  • the circuit board 130 may be provided with a power management circuit.
  • the power management circuit is configured to supply voltages provided by the battery 140 to various electronic elements in the electronic device 100.
  • the rear housing 150 is connected with the middle frame 120.
  • the rear housing 150 may be bonded to the middle frame 120 through an adhesive such as double-sided tape to realize connection with the middle frame 120.
  • the rear housing 150, the middle frame 120, and the display screen 110 cooperate to seal the electronic elements and functional components of the electronic device 100 in the electronic device 100, so that the electronic elements and functional components of the electronic device 100 can be protected.
  • the electronic device 100 may be further provided with an antenna apparatus.
  • the antenna apparatus is used to realize wireless communication functions of the electronic device 100, for example, a near field communication function.
  • the antenna apparatus may be disposed in a housing of the electronic device 100.
  • some elements of the antenna apparatus may be integrated on the circuit board 130.
  • a signal processing chip and a signal processing circuit of the antenna apparatus may be integrated with the circuit board 130 to realize an electrical connection between the antenna apparatus and the circuit board 130.
  • some elements of the antenna apparatus may also be directly arranged in the electronic device 100. For example, radiators or conductor structures used by the antenna apparatus for radiating signals may be directly arranged on an inner surface of the rear housing.
  • FIG. 2 is a first schematic structural diagram of an antenna apparatus provided in the embodiments of the disclosure.
  • the antenna apparatus 200 includes a first feed source 210, a second feed source 220, a first filter circuit LC1, a first radiator 230, and a second radiator 240.
  • the antenna apparatus 200 may further include a ground plane 250.
  • the first feed source 210 and the second feed source 220 may be arranged on the circuit board 130 of the electronic device 100. Alternatively, the first feed source 210 and the second feed source 220 may also be arranged on other small boards of the electronic device 100.
  • the first feed source 210 may feed excitation signals into the first radiator 230
  • the second feed source 220 may feed excitation signals into the second radiator 240, so that the first radiator 230 and the second radiator 240 can transmit wireless signals to free space.
  • the first radiator 230 and the second radiator 240 may be antenna radiators made of conductive materials such as metals and conductive silver paste materials.
  • the first radiator 230 is opposite to the second radiator 240, so that a coupling gap 201 is defined between the first radiator 230 and the second radiator 240.
  • the first radiator 230 includes a first free end 233, a first ground terminal 231, and a first feed terminal 232 spaced apart from the first ground terminal 231.
  • the first free end 233 may be close to the coupling gap 201.
  • the first free end 233 may be opposite to and spaced apart from the second radiator 240.
  • the first ground terminal 231 may be away from the coupling gap 201.
  • the first feed terminal 232 may be disposed on an end portion of the first radiator 230, for example, at the end portion of the first radiator 230 where the first free end 233 is located or the first ground terminal 231 is located. Alternatively, the first feed terminal 232 may also be disposed between the first free end 233 and the first ground terminal 231.
  • the first ground terminal 231 may be electrically connected to the ground plane 250 to make the first radiator 230 grounded.
  • the first feed terminal 232 may be directly or indirectly electrically connected to the first feed source 210, so that the first feed source 210 can transmit wireless signals to the first radiator 230.
  • the first radiator 230 may have other feed terminals in addition to the first free end 233, the first ground terminal 231, and the first feed terminal 232, so that electrical connections between the first radiator and other electronic elements can be realized.
  • the second radiator 240 includes a second free end 243, a second ground terminal 241, and a second feed terminal 242 spaced apart from the second ground terminal 241.
  • the second free end 243 may be close to the coupling gap 201.
  • the second free end 243 may be opposite to and spaced apart from the first radiator 230.
  • the second ground terminal 241 may be away from the coupling gap 201.
  • the second feed terminal 242 may be disposed on an end portion of the second radiator 240, for example, at the end portion of the second radiator 240 where the second free end 243 is located or the second ground terminal 241 is located. Alternatively, the second feed terminal 242 may also be disposed between the second free end 243 and the second ground terminal 241.
  • the coupling gap 201 is defined between a side of the second radiator 240 where the second feed terminal 242 is located and the first radiator 230.
  • the second ground terminal 241 may be electrically connected to the ground plane 250 to make the second radiator 240 grounded.
  • the second feed terminal 242 may be directly or indirectly electrically connected to the second feed source 220, so that the second feed source 220 can transmit wireless signals to the second radiator 240.
  • the second radiator 240 may have other feed terminals in addition to the second free end 243, the second ground terminal 241, and the second feed terminal 242, so that connections between the second radiator and other electronic elements can be realized.
  • the first filter circuit LC1 may be disposed on the circuit board 130 of the electronic device 100. Alternatively, the first filter circuit LC1 may also be disposed on other small boards of the electronic device 100. The first filter circuit LC1 may be coupled with the first radiator 230, and the first filter circuit LC1 may also be coupled with the first feed source 210. In some embodiments, the first filter circuit LC1 may be connected between and in series with the first feed source 210 and the first radiator 230. The first filter circuit LC1 is coupled with the first radiator 230 through the first feed terminal 232 to realize an electrical connection between the first feed source 210 and the first radiator 230.
  • the ground plane 250 is used to form the common ground.
  • the ground plane 250 may be formed by a conductor, a printed circuit, or a metal printed layer of the electronic device 100.
  • the ground plane 250 may be on the circuit board 130 of the electronic device 100.
  • the ground plane 250 may also be on the housing of the electronic device 100, for example, the ground plane 250 may be formed by the middle frame 120 of the housing, or the ground plane 250 may also be formed by a cover of the battery 140 of the housing.
  • the first radiator 230 and the second radiator 240 may be grounded through the ground plane 250.
  • the first radiator 230 and the second radiator 240 may also be electrically connected to other grounding systems to achieve grounding.
  • FIG. 3 illustrates a first schematic current diagram of the antenna apparatus as illustrated in FIG. 2
  • FIG. 4 illustrates a second schematic current diagram of the antenna apparatus as illustrated in FIG. 2
  • the first feed source 210 is coupled with the first filter circuit LC1 and configured to provide a first excitation signal
  • the first excitation signal is configured to excite the first radiator 230 to generate resonance in a first frequency band
  • the second feed source 220 is coupled with the second radiator 240 through the second feed terminal 242.
  • the second feed source is configured to provide a second excitation signal.
  • the first filter circuit LC1 is an open circuit for the second excitation signal.
  • the second excitation signal is at least partially coupled with the first radiator 230 through the coupling gap 201.
  • the second excitation signal is configured to excite the first radiator 230 and the second radiator 240 to cooperatively generate resonance in a second frequency band.
  • the first filter circuit LC1 may allow the first excitation signal to pass through, and a first current I1 may flow from the first feed source 210 through the first filter circuit LC1 into the first radiator 230.
  • the first excitation signal can excite the first radiator 230 to generate the resonance in the first frequency band.
  • the first excitation signal may not cause the first radiator 230 to couple with the second radiator 240.
  • the first current I1 is almost not transmitted in the second radiator 240.
  • a length, an impedance, a resonance point, etc. of the second radiator 240 may be adjusted, so that when the first radiator 230 transmits the first excitation signal, the second radiator 240 is not coupled with the first radiator 230 through the coupling gap 201, and the second radiator 240 almost not transmits the first excitation signal.
  • a second current I2 may flow from the second feed source 220 into the second radiator 240.
  • the second current I2 from the second radiator 240 may be coupled with the first radiator 230 through the coupling gap 201 and is transmitted in the first radiator 230.
  • the first filter circuit LC1 may prevent the second excitation signal from passing through the first filter circuit LC1.
  • the first filter circuit LC1 may be an open circuit for the second excitation signal.
  • the second excitation signal may be at least partially coupled with the first radiator 230 through the coupling gap 201, and the second excitation signal may excite the second radiator 240 and the first radiator 230 to cooperatively generate the resonance in the second frequency band.
  • the second excitation signal and the second current I2 do not flow into the first feed source 210 through the first filter circuit LC1.
  • the second current I2 may be grounded at the first ground terminal 231 of the first radiator 230 and thus a loop is formed.
  • the second current I2 flows from the second feed source 220 through the second radiator 240 and the first radiator 230, the second radiator 240 and the first radiator 230 cooperatively transmit the second excitation signal.
  • the first filter circuit LC1 is an open circuit for the second excitation signal, which may mean that the first filter circuit LC1 has an infinite resistance under resonance of the second excitation signal, thereby preventing the second excitation signal from flowing into the first feed source 210.
  • a length, an impedance, a resonance point, etc. of the first radiator 230 may be adjusted so that when the second radiator 240 transmits the second excitation signal, the first radiator 230 can be coupled with the second radiator 240 through the coupling gap 201, the first radiator 230 and the second radiator 240 can cooperatively transmit the second excitation signal.
  • the first radiator 230 is opposite to the second radiator 240, and the first radiator 230 and the second radiator 240 define the coupling gap 201 therebetween.
  • the first feed source 210 may feed the first excitation signal to the first radiator 230, and the first radiator 230 may transmit the first excitation signal;
  • the second feed source 220 may feed the second excitation signal to the second radiator 240, and thus with the aid of the first filter circuit LC1, the second radiator 240 and the first radiator 230 may cooperatively transmit the second excitation signal.
  • two radiators may transmit at least two kinds of radio frequency signals, thereby not only reducing a space occupied by radiators, but also transmitting wireless signals of more frequency bands, and accordingly realizing the miniaturization of the antenna apparatus 200.
  • FIG. 5 is a second schematic structural diagram of an antenna apparatus provided in the embodiments of the disclosure
  • FIG. 6 illustrates a first schematic current diagram of the antenna apparatus as illustrated in FIG. 5
  • FIG. 7 illustrates a second schematic current diagram of the antenna apparatus as illustrated in FIG. 5
  • the antenna apparatus 200 further includes a second filter circuit LC2 and a third filter circuit LC3.
  • the second filter circuit LC2 and the third filter circuit LC3 may be arranged on the circuit board 130 of the electronic device 100.
  • the second filter circuit LC2 and the third filter circuit LC3 may also be arranged on other small boards of the electronic device 100.
  • the second filter circuit LC2 may be coupled with the second feed source 220 and the second radiator 240.
  • the second filter circuit LC2 may be connected between and in series with the second feed source 220 and the second radiator 240.
  • the third filter circuit LC3 may also be coupled with the second feed source 220 and the second radiator 240.
  • the third filter circuit LC3 may also be connected between and in series with the second feed source 220 and the second radiator 240.
  • the second filter circuit LC2 has a first terminal a1, a second terminal a2.
  • the second filter circuit LC2 may further have a third terminal a3.
  • the third terminal a3 is directly or indirectly electrically connected to the second feed source 220.
  • the first terminal a1 is electrically connected to the second radiator 240, for example, the first terminal a1 is electrically connected to the second feed terminal 242 of the second radiator 240.
  • the first terminal a1 is also electrically connected to the second radiator 240 at any position on a side of the second feed terminal 242 close to the first radiator 230.
  • the second terminal a2 is electrically connected to the ground plane 250 to make the second filter circuit LC2 grounded.
  • the third filter circuit LC3 has a fourth terminal b1, a fifth terminal b2.
  • the third filter circuit LC3 may further has a sixth terminal b3.
  • the sixth terminal b3 may be directly or indirectly electrically connected to the second feed source 220.
  • the fourth terminal b1 is electrically connected to the second radiator 240, for example, the fourth terminal b1 is electrically connected to the second feed terminal 242 of the second radiator 240.
  • the fourth terminal b1 is also electrically connected to the second radiator 240 at any position on the side of the second feed terminal 242 close to the first radiator 230.
  • the fifth terminal b2 is electrically connected to the ground plane 250 to make the third filter circuit LC3 grounded.
  • the first feed source 210 is configured to further provide a third excitation signal.
  • the third excitation signal is at least partially coupled with the second radiator 240 through the coupling gap 201, the second filter circuit LC2 is a short circuit to the ground for the third excitation signal, and the third excitation signal is configured to excite the first radiator 230 and at least part of the second radiator 240 to cooperatively generate resonance in the third frequency band.
  • the third excitation signal and a third current I3 may flow from the first feed source 210 through the first filter circuit LC1 into the first radiator 230.
  • the third excitation signal can electromagnetically couple the first radiator 230 with the second radiator 240.
  • the third excitation signal from the first radiator 230 may be coupled with the second radiator 240 through the coupling gap 201 and transmitted in the second radiator 240.
  • the second filter circuit LC2 may prevent the third excitation signal from passing through the second filter circuit LC2, and be a short circuit to the ground for the third excitation signal.
  • the third excitation signal may excite the first radiator 230 and at least part of the second radiator 240 to cooperatively generate the resonance in the third frequency band.
  • the third excitation signal and the third current I3 do not flow into the second feed source 220 through the second filter circuit LC2, and the third current I3 may be grounded at a ground terminal (for example, the second terminal a2) of the second filter circuit LC2 and thus a loop is formed.
  • the current from the first feed source 210 flows through the first filter circuit LC1, the first radiator 230, the second radiator 240, and the second filter circuit LC2 and then is grounded.
  • the first radiator 230 and the second radiator 240 may cooperatively transmit the third excitation signal.
  • the third excitation signal in the free space may also be transmitted through the first radiator 230 and the second radiator 240 to the first feed source 210 through a reverse process of the above process.
  • the first feed source 210 is configured to further provide a fourth excitation signal.
  • the fourth excitation signal is at least partially coupled with the second radiator through the coupling gap 201.
  • the third filter circuit LC3 is a short circuit to the ground for the fourth excitation signal.
  • the fourth excitation signal is configured to excite the first radiator 230 and at least part of the second radiator 240 to cooperatively generate resonance in a fourth frequency band.
  • the fourth excitation signal and a fourth current I4 may flow from the first feed source 210 through the first filter circuit LC1 into the first radiator 230.
  • the fourth excitation signal can couple the first radiator 230 with the second radiator 240 through the coupling gap 201.
  • the fourth excitation signal from the first radiator 230 is coupled with the second radiator 240 through the coupling gap 201 and transmitted in the second radiator 240.
  • the third filter circuit LC3 prevents the fourth excitation signal from passing through the third filter circuit LC3.
  • the third filter circuit LC3 may be a short circuit to the ground for the fourth excitation signal.
  • the fourth excitation signal may excite the first radiator 230 and at least part of the second radiator 240 to cooperatively generate resonance in the fourth frequency band.
  • the fourth excitation signal and the fourth current I4 do not flow into the second feed source 220 through the third filter circuit LC3, and the fourth current I4 may be grounded at a ground terminal (for example, the second terminal b2) of the third filter circuit LC3 and thus a loop is formed.
  • the current from the first feed source 210 flows through the first filter circuit LC1, the first radiator 230, the second radiator 240, and the third filter circuit LC3, and then is grounded.
  • the first radiator 230 and the second radiator 240 may cooperatively transmit the fourth excitation signal.
  • the fourth excitation signal in the free space may also be transmitted through the first radiator 230 and the second radiator 240 to the first feed source 210 through a reverse process of the above process.
  • the second filter circuit LC2 is a short circuit to the ground for the third excitation signal, which may mean that the second filter circuit LC2 has an infinitesimal resistance to the ground in a frequency band of the third excitation signal, so that the third excitation signal can be grounded.
  • the third filter circuit LC3 is a short circuit for the fourth excitation signal, which may mean that the third filter circuit LC3 an infinitesimal resistance to the ground in a frequency band of the fourth excitation signal, so that the fourth excitation signal can be grounded.
  • a length, an impedance, and a resonance point of the second radiator 240 as well as resistance values, capacitance values, etc. of the second filter circuit LC2 and the third filter circuit LC3 may be adjusted, so that when the first radiator 230 transmits the third excitation signal and the fourth excitation signal, the second radiator 240 may be coupled with the first radiator 230 through the coupling gap 201, and the second radiator 240 can generate the resonance in the third frequency band and the resonance in the fourth frequency band.
  • a distance between the second feed terminal 242 of the second radiator 240 and the first radiator 230 may be adjusted to adjust a frequency range of the third excitation signal and a frequency range of the fourth excitation signal.
  • a distance between the second feed terminal 242 and the coupling gap 201 is smaller than a distance between the second feed terminal 242 and the second ground terminal 241
  • the second feed terminal 242 is relatively close to the first radiator 230, so that the first radiator 230, the second radiator 240, and the second filter circuit LC2 and the third filter circuit LC3 that are electrically connected to the second feed terminal 242 can resonate to generate the third excitation signal and the fourth excitation signal in a relatively high frequency band, for example, Band N78 (3.4 GHz to 3.6 GHz) or Band N79 (4.8 GHz to 4.9 GHz).
  • FIG. 8 illustrates a third schematic current diagram of the antenna apparatus as illustrated in FIG. 5 .
  • the second feed source 220 may further provide a fifth excitation signal, and the fifth excitation signal may excite the second radiator 240 to generate resonance in the fifth frequency band.
  • a fifth current I5 may flow from the second feed source 220 to the second radiator 240.
  • the fifth excitation signal can excite the second radiator 240 to generate resonance in a fifth frequency band.
  • the fifth excitation signal does not cause the second radiator 240 to couple with the first radiator 230.
  • the fifth current I5 is almost not transmitted in the first radiator 230.
  • the fifth excitation signal is almost only transmitted through the second radiator 240 into the free space.
  • the fifth excitation signal in the free space may also be transmitted through the second radiator 240 to the second feed source 220 through a reverse process of the above process.
  • the length, the impedance, the resonance point, etc. of the first radiator 230 may be adjusted so that when the second radiator 240 transmits the fifth excitation signal, the first radiator 230 is not coupled with the second radiator 240 through the coupling gap 201, and the first radiator 230 almost does not transmit the first excitation signal.
  • the first radiator 230 when the first feed source 210 feeds an excitation signal to the first radiator 230, with the aid of the first filter circuit LC1, the second filter circuit LC2, and the third filter circuit LC3, the first radiator 230 may transmit the first excitation signal, the first radiator 230 and the second radiator 240 may cooperatively transmit the third excitation signal, and the first radiator 230 and the second radiator 240 may also cooperatively transmit the fourth excitation signal.
  • the second radiator 240 may transmit the fifth excitation signal, and with the aid of the first filter circuit LC1, the second filter circuit LC2, and the third filter circuit LC3, the first radiator 230 and the second radiator 240 may cooperatively transmit the second excitation signal.
  • the second feed source 220 and the first feed source 210 may operate separately or simultaneously.
  • the antenna apparatus 200 may separately implement the above-mentioned process of feeding an excitation signal to the first radiator 230 by the first feed source 210, the antenna apparatus 200 may also separately implement the above-mentioned process of feeding an excitation signal to the second radiator 240 by the second feed source 220, and the antenna apparatus 200 may also simultaneously implement the above-mentioned process of feeding the excitation signal to the first radiator 230 by the first feed source 210 and the above-mentioned process of feeding the excitation signal to the second radiator 240 by the second feed source 220.
  • the first radiator 230 may transmit the first excitation signal
  • the second radiator 240 may transmit the fifth excitation signal
  • the first radiator 230 and the second radiator 240 may cooperatively transmit the second excitation signal, the third excitation signal, and the fourth excitation signal.
  • the first radiator 230 and the second radiator 240 may be grounded at the first ground terminal 231 of the first radiator 230.
  • the first radiator 230 and the second radiator 240 may be grounded at the second terminal a2 of the second filter circuit LC2.
  • the first radiator 230 and the second radiator 240 may be grounded at the fifth terminal b2 of the third filter circuit LC3.
  • the first radiator 230 is opposite to the second radiator 240, the first radiator 230 and the second radiator 240 define the coupling gap 201 therebetween.
  • the first radiator 230 may transmit the first excitation signal
  • the second radiator 240 may transmit the fifth excitation signal
  • the second radiator 240 and the first radiator 230 may cooperatively transmit the second excitation signal, the third excitation signal, and the fourth excitation signal.
  • two radiators may transmit at least five kinds of radio frequency signals, thereby not only reducing a space occupied by radiators, but also transmitting wireless signals of more frequency bands, and accordingly realizing the miniaturization of the antenna apparatus 200.
  • a length of the first radiator 230 and a length of the second radiator 240 may be adjusted to make the first excitation signal differ from the fifth excitation signal, and an impedance of the second filter circuit LC2 and an impedance of the third filter circuit LC3 may be adjusted to make the second excitation signal, the third excitation signal, and the fourth excitation signal differ from one another.
  • the first excitation signal, the fifth excitation signal, the second excitation signal, the third excitation signal, and the fourth excitation signal may be made different from one another.
  • the first excitation signal excites the first radiator 230 to generate the resonance in the first frequency band ranging from 1.15 GHz to 1.2 GHz
  • the fifth excitation signal excites the second radiator 240 to generate the resonance in the fifth frequency band ranging from 1.55 GHz to 1.6 GHz
  • the second excitation signal excites the first radiator 230 and the second radiator 240 to cooperatively generate the resonance in the second frequency band ranging from 2.4 GHz to 2.69 GHz
  • the third excitation signal excites the first radiator 230 and the second radiator 240 to cooperatively generate the resonance in the third frequency band ranging from 4.8 GHz to 4.9 GHz
  • the fourth excitation signal ranges from 3.4 GHz to 3.6 GHz.
  • the first radiator 230 may transmit signals in GPS-L5 band (1.15 GHz ⁇ 1.2 GHz), and the second radiator 240 and the first radiator 230 may cooperatively transmit signals in Band N78 (3.4 GHz ⁇ 3.6 GHz) and signals in Band N79 (4.8 GHz ⁇ 4.9 GHz).
  • the second radiator 240 may transmit signals in GPS-L1 band (1.55 GHz ⁇ 1.6 GHz), and the second radiator 240 and the first radiator 230 may cooperatively transmit signals in 2.4 GHz Wi-Fi band (2.4 GHz ⁇ 2.48 GHz) and signals in Band N41 (2.5 GHz ⁇ 2.69 GHz).
  • FIG. 9 is a schematic diagram illustrating reflection coefficient curves and isolation coefficient curves of the first feed source and the second feed source of the antenna apparatus as illustrated in FIG. 5
  • FIG. 10 is a system efficiency diagram of the antenna apparatus as illustrated in FIG. 5 under operations of the first feed source and the second feed source.
  • curve S1 is a schematic reflection coefficient curve of the first feed source 210
  • curve S2 is a schematic reflection coefficient curve of the second feed source 220
  • curve S3 is schematic isolation curves of the first feed source 210 and the second feed source 220.
  • curve S4 is a system efficiency curve of the antenna apparatus 200 when the first feed source 210 operates
  • curve S5 is a system efficiency curve of the antenna apparatus 200 when the second feed source 220 operates.
  • the antenna apparatus 200 when the first feed source 210 feeds an excitation signal to the first radiator 230, the antenna apparatus 200 operates in GPS-L5 band (1.15 GHz ⁇ 1.2 GHz), Band N78 (3.4 GHz ⁇ 3.6 GHz), and Band N79 (4.8 GHz ⁇ 4.9 GHz), and an isolation between the first feed source 210 and the second feed source 220 is good and greater than - 13.5 dB.
  • the antenna apparatus 200 may operate in GPS-L5 band, Band N78, and Band N79.
  • the system efficiency of the antenna apparatus 200 is about -9.8 dB when operating in GPS-L5 band, is about -3.3 dB when operating in Band N78, and is about -3.8 dB when operating in Band N79, and thus the radiation performance of the antenna apparatus 200 is good.
  • the antenna apparatus 200 when the second feed source 220 feeds an excitation signal to the second radiator 240, the antenna apparatus 200 operates in GPS-L1 band (1.55 GHz ⁇ 1.6 GHz), 2.4 GHz Wi-Fi band (2.4 GHz ⁇ 2.48 GHz), and Band N41 (2.5 GHz ⁇ 2.69 GHz), and the isolation between the first feed source 210 and the second feed source 220 is good and greater than -13.5 dB.
  • the antenna apparatus 200 may operate in GPS-L1 band, 2.4 GHz Wi-Fi band, and Band N41.
  • the system efficiency of the antenna apparatus 200 is about -3 dB when operating in GPS-L1 band, is about -4.1 dB when operating in 2.4 GHz Wi-Fi band, and is about -3.2 dB when operating in Band N41, and thus the radiation performance of the antenna apparatus 200 is good.
  • the second filter circuit LC2 and the third filter circuit LC3 each are equivalent to a short circuit in Bands N78 and N79, thus the third current I3 and the fourth current I4 are grounded mainly at the second filter circuit LC2 and the third filter circuit LC3, so that the antenna apparatus 200 can operate in Bands N78 and N79 when the first feed source 210 feeds, and the isolation between the first feed source 210 and the second feed source 220 is also good and does not affect the performance of the antenna apparatus 200.
  • the first filter circuit LC1 is equivalent to an open circuit in 2.4 GHz Wi-Fi band and Band N41, thus the second current I2 is grounded at a distal end of the first radiator 230, so that when the first feed source 210 feeds, the antenna apparatus 200 may operate in 2.4 GHz Wi-Fi band and Band N41, and the isolation between the first feed source 210 and the second feed source 220 is also good.
  • the first radiator 230 is opposite to the second radiator 240, and the first radiator 230 and the second radiator 240 define the coupling gap 201 therebetween, so that six frequency bands of GPS-L1 band, 2.4 GHz Wi-Fi band, Band N41, GPS-L5 band, Band N78, and Band N79 can be covered in a relatively small space.
  • the antenna efficiency of the antenna apparatus 200 in GPS-L1 band may be -3 dB and thus the performance is good.
  • the antenna apparatus 200 may also operate in GPS-L5 band, and thus can assist in global position system (GPS) positioning.
  • the antenna apparatus 200 may operate in 2.4 GHz Wi-Fi band, Band N41, Band N78, and Band N79, and thus is suitable for the 5th generation mobile communication system (5G).
  • 5G 5th generation mobile communication system
  • FIG. 11 is a third schematic structural diagram of an antenna apparatus provided in the embodiments of the disclosure.
  • Each of the first filter circuit LC1, the second filter circuit LC2, and the third filter circuit LC3 may be a filter circuit.
  • a filter circuit may also be known as a filter network.
  • the first filter circuit LC1 may filter out a first interference signal between the first feed source 210 and the first radiator 230.
  • the first interference signal is an electrical signal other than the first excitation signal, the third excitation signal, and the fourth excitation signal provided by the first feed source 210.
  • the first filter circuit LC1 may also prevent the second excitation signal from passing through the first filter circuit LC1, the first filter circuit LC1 is an open circuit and thus can make the first radiator 230 not transmit signals, and the second excitation signal is grounded at the first radiator 230.
  • the second filter circuit LC2 may filter out a second interference signal between the second feed source 220 and the second radiator 240.
  • the second interference signal is an electrical signal other than the fourth excitation signal and the second excitation signal provided by the second feed source 220.
  • the second filter circuit LC2 may also prevent the third excitation signal from passing through the second filter circuit LC2 and thus make the third excitation signal grounded at the second filter circuit LC2.
  • the third filter circuit LC3 may filter out a third interference signal between the second feed source 220 and the second radiator 240.
  • the third interference signal is an electrical signal other than the fourth excitation signal and the second excitation signal provided by the second feed source 220.
  • the third filter circuit LC3 may also prevent the fourth excitation signal from passing through the third filter circuit LC3 and thus make the fourth excitation signal grounded at the third filter circuit LC3.
  • the first filter circuit LC1, the second filter circuit LC2, and the third filter circuit LC3 may include circuits composed of capacitors and inductors in any series connection or any parallel connection.
  • the first filter circuit LC1 may include, for example, an inductor L1 and a capacitor C1.
  • the inductor L1 is connected between and in series with the first feed source 210 and the first radiator 230, the inductor L1 is connected between the capacitor C1 and the first radiator 230, and the capacitor C1 is grounded.
  • an inductance value of the inductor L1 and a capacitance value of the capacitor C1 may be set according to actual needs.
  • the second filter circuit LC2 may include, for example, an inductor L2 and a capacitor C2.
  • the inductor L2 is connected between and in series with the second feed source 220 and the second radiator 240
  • the capacitor C2 is connected between the inductor L2 and the second feed source 220
  • the capacitor C2 is grounded.
  • an inductance value of the inductor L2 and a capacitance value of the capacitor C2 may be set according to actual needs.
  • the third filter circuit LC3 may include, for example, an inductor L3 and a capacitor C3.
  • the inductor L3 is connected between and in series with the second feed source 220 and the second radiator 240
  • the capacitor C3 is connected between the inductor L3 and the second feed source 220
  • the capacitor C3 is grounded.
  • an inductance value of the inductor L3 and a capacitance value of the capacitor C3 may be set according to actual needs.
  • the above are only exemplary examples of the first filter circuit LC1, the second filter circuit LC2, and the third filter circuit LC3, and specific structures of the first filter circuit LC1, the second filter circuit LC2, and the third filter circuit LC3 are not limited in the embodiments of the disclosure.
  • the antenna apparatus 200 provided in the embodiments of the disclosure may further include a second matching circuit M2 and a first matching circuit M1.
  • a matching circuit may also be known as a matching network, a tuning circuit, a tuning network, etc.
  • the first matching circuit M1 may be coupled between the first feed source 210 and the first radiator 230.
  • the first matching circuit M1 is connected between and in series with the first feed source 210 and the first filter circuit LC1.
  • the first matching circuit M1 can be used to realize impedance matching for transmission of excitation signals from the first feed source 210 to the first radiator 230 and the second radiator 240, so that the first feed source 210 can transmit the first excitation signal, the third excitation signal, and the fourth excitation signal to the second radiator 240 and the first radiator 230.
  • the second matching circuit M2 may be coupled between the second feed source 220 and the second radiator 240.
  • the second matching circuit M2 is connected between and in series with the second feed source 220 and the second filter circuit LC2, and the second matching circuit M2 is also connected between and in series with the second feed source 220 and the third filter circuit LC3.
  • the second matching circuit M2 can be used to realize impedance matching for transmission of excitation signals from the second feed source 220 to the second radiator 240 and the first radiator 230, so that the second feed source 220 can transmit the fourth excitation signal and the second excitation signal to the second radiator 240 and the first radiator 230.
  • each of the first matching circuit M1 and the second matching circuit M2 may include circuits composed of capacitors and inductors in any series connection or in any parallel connection.
  • the first matching circuit M1 may include a capacitor C4 and a capacitor C5.
  • the capacitor C4 is connected between and in series with the first feed source 210 and the first filter circuit LC1
  • the capacitor C5 is connected between the first feed source 210 and the capacitor C4, and the capacitor C5 is grounded.
  • a capacitance value of the capacitor C4 and a capacitance value of the capacitor C5 may be set according to actual needs.
  • the second matching circuit M2 may include, for example, a capacitor C6 and a capacitor C7.
  • the second feed source 220, the capacitor C6, the third filter circuit LC3, and the second filter circuit LC2 are connected in series.
  • the capacitor C6 is connected between and in series with the second feed source 220 and the second filter circuit LC2, and the capacitor C6 is also connected between and in series with the second feed source 220 and the third filter circuit LC3, the capacitor C7 is connected between the second feed source 220 and the capacitor C6, and the capacitor C7 is grounded.
  • a capacitance value of the capacitor C6 and a capacitance value of the capacitor C7 may be set according to actual needs.
  • the above are only exemplary examples of the first matching circuit M1 and the second matching circuit M2, and specific structures of the first matching circuit M1 and the second matching circuit M2 are not limited in the embodiments of the disclosure.
  • the first radiator 230 and the second radiator 240 may be arranged in the electronic device 100.
  • the first radiator 230 and the second radiator 240 may be arranged on the circuit board 130 of the electronic device 100.
  • the first radiator 230 and the second radiator 240 may also be arranged on the middle frame 120 of the electronic device 100.
  • FIG. 12 is a fourth schematic structural diagram of an antenna apparatus provided in the embodiments of the disclosure.
  • the middle frame 120 When the middle frame 120 is made of metal, and the first radiator 230 and the second radiator 240 may include two metal branches on the middle frame 120. As illustrated in FIG. 12 , the middle frame 120 may define a gap 101. With the gap 101, the middle frame 120 forms a first metal branch 121 and a second metal branch 122 opposite the first metal branch 121. The first radiator 230 may include the first metal branch 121, and the second radiator 240 may include the second metal branch 122.
  • the above is only one manner in which the first radiator 230 and the second radiator 240 are formed on the middle frame 120.
  • the middle frame 120 may define three gaps arranged at intervals, so that the middle frame 120 can form two metal branches opposite each other.
  • a manner in which the first radiator 230 and the second radiator 240 are formed on the middle frame 120 is not limited in the embodiments of the disclosure.
  • the first metal branch 121 and the second metal branch 122 may be formed at a portion of the middle frame 120, such as an upper end, a lower end, a side wall, or a corner, so that the first radiator 230 and the second radiator 240 can be formed at any part of the middle frame 120.
  • Specific positions of the first radiator 230 and the second radiator 240 are not limited in the embodiments of the disclosure.
  • the first radiator 230 and the second radiator 240 are formed on the middle frame 120, thus the first radiator 230 and the second radiator 240 do not occupy an additional space of the electronic device 100, thereby further realizing the miniaturization of the electronic device 100.
  • the first radiator 230 and the second radiator 240 may also be arranged on the rear housing 150 of the electronic device 100.
  • FIG. 13 is a fifth schematic structural diagram of an antenna apparatus provided in the embodiments of the disclosure.
  • the rear housing 150 is made of metal, for example, as illustrated in FIG. 13
  • the rear housing 150 is a metal rear housing 151
  • the first radiator 230 and the second radiator 240 may include two metal branches on the metal rear housing 151.
  • An annular gap may be defined on the metal rear housing 151 so that an edge of the metal rear housing 151 is separated from the main body of the metal rear housing 151.
  • one or more gaps 102 are defined on the edge of the metal rear housing 151 to communicate with the annular gap, so that the metal rear housing 151 can form the third metal branch 152 and the fourth metal branch 153 opposite the third metal branch 152.
  • the first radiator 230 may include the third metal branch 152
  • the second radiator 240 may include the fourth metal branch 153.
  • the above is only an embodiment in which the first radiator 230 and the second radiator 240 are formed on the metal rear housing 151.
  • the metal rear housing 151 may define three L-shaped gaps arranged at intervals, so that the metal rear housing 151 forms two opposite metal branches.
  • an inverted T-shaped gap may be defined on the metal rear housing 151, so that the metal rear housing 151 can form two opposite metal branches.
  • the above is only an exemplary example of one manner in which the third metal branch 152 and the fourth metal branch 153 are formed in the embodiments of the disclosure, and a manner in which the first radiator 230 and the second radiator 240 are formed on the metal rear housing 151 is not limited in the embodiment of the disclosure.
  • the third metal branch 152 and the fourth metal branch 153 may be formed at a portion of the metal rear housing 151, such as an upper end, a lower end, a side wall, or a corner, so that the third metal branch 152 and the fourth metal branch 153 can be formed at any part of the metal rear housing 151.
  • Specific positions of the third metal branch 152 and the fourth metal branch 153 are not limited in the embodiments of the disclosure.
  • the first radiator 230 and the second radiator 240 are formed on the metal rear housing 151, so that the first radiator 230 and the second radiator 240 are close to the free space, and a clearance zone around the first radiator 230 and the second radiator 240 is relatively large, and thus the excitation signals radiated by the first radiator 230 and the second radiator 240 can be transmitted to the free space with an improved efficiency, and accordingly the radiation performance of the first radiator 230 and the second radiator 240 when transmitting signals can be improved.
  • the terms such as "first” and “second” used in the disclosure are only used for distinguishing similar objects and cannot be understood as explicitly or implicitly indicating relative importance or implicitly indicating the number of technical features referred to herein.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Claims (11)

  1. Appareil antenne (200), comprenant :
    un premier élément rayonnant (230) comprenant une première borne d'alimentation (232) et une première borne de mise à la terre (231) espacée de la première borne d'alimentation (232) ;
    un premier circuit filtre (LC1) couplé au premier élément rayonnant (230) par l'intermédiaire de la première borne d'alimentation (232) ;
    une première source d'alimentation (210) couplée au premier circuit filtre (LC1), dans lequel la première source d'alimentation (210) est configurée pour fournir un premier signal d'excitation, et le premier signal d'excitation est configuré pour exciter le premier élément rayonnant (230) pour générer une résonance dans une première bande de fréquence ;
    un second élément rayonnant (240) comprenant une seconde borne d'alimentation (242) et une seconde borne de mise à la terre (241) espacée de la seconde borne d'alimentation (242), dans lequel un intervalle de couplage (201) est défini entre un côté du second élément rayonnant (240) où la seconde borne d'alimentation (242) est située et le premier élément rayonnant (230) ; et
    une seconde source d'alimentation (220) couplée au second élément rayonnant (240) par l'intermédiaire de la seconde borne d'alimentation (242) et configurée pour fournir un deuxième signal d'excitation,
    dans lequel le premier circuit filtre (LC1) est un circuit ouvert pour le deuxième signal d'excitation, le deuxième signal d'excitation est au moins partiellement couplé au premier élément rayonnant (230) par l'intermédiaire de l'intervalle de couplage (201), et le deuxième signal d'excitation est configuré pour exciter le premier élément rayonnant (230) et le second élément rayonnant (240) pour générer en coopération une résonance dans une deuxième bande de fréquence,
    dans lequel l'appareil antenne (200) comprend en outre un deuxième circuit filtre (LC2) et un troisième circuit filtre (LC3), dans lequel :
    le deuxième circuit filtre (LC2) a une première borne (a1) et une deuxième borne (a2), dans lequel la première borne (a1) du deuxième circuit filtre (LC2) est couplée au second élément rayonnant (240) au niveau de la seconde borne d'alimentation (242) ou au niveau d'une quelconque position sur un côté de la seconde borne d'alimentation (242) proche du premier élément rayonnant (230), et la deuxième borne (a2) du deuxième circuit filtre (LC2) est mise à la terre ;
    la première source d'alimentation (210) est en outre configurée pour fournir un troisième signal d'excitation, dans lequel le troisième signal d'excitation est au moins partiellement couplé au second élément rayonnant (240) par l'intermédiaire de l'intervalle de couplage (201), le deuxième circuit filtre (LC2) est un court-circuit à la terre pour le troisième signal d'excitation, et le troisième signal d'excitation est configuré pour exciter le premier élément rayonnant (230) et au moins une partie du second élément rayonnant (240) pour générer en coopération une résonance dans une troisième bande de fréquence ;
    le troisième circuit filtre (LC3) a une quatrième borne (b1) et une cinquième borne (b2), dans lequel la quatrième borne (b1) du troisième circuit filtre (LC3) est couplée au second élément rayonnant (240) au niveau de la seconde borne d'alimentation (242) ou au niveau d'une quelconque position sur un côté de la seconde borne d'alimentation (242) proche du premier élément rayonnant (230), et la cinquième borne (b2) du troisième circuit filtre (LC3) est mise à la terre ; et
    la première source d'alimentation (210) est en outre configurée pour fournir un quatrième signal d'excitation, dans lequel le quatrième signal d'excitation est au moins partiellement couplé au second élément rayonnant (240) par l'intermédiaire de l'intervalle de couplage (201), le troisième circuit filtre (LC3) est un court-circuit à la terre pour le quatrième signal d'excitation, et le quatrième signal d'excitation est configuré pour exciter le premier élément rayonnant (230) et au moins une partie du second élément rayonnant (240) pour générer en coopération une résonance dans une quatrième bande de fréquence.
  2. Appareil antenne (200) de la revendication 1, dans lequel une distance entre la seconde borne d'alimentation (242) et l'intervalle de couplage (201) est plus petite qu'une distance entre la seconde borne d'alimentation (242) et la seconde borne de mise à la terre (241).
  3. Appareil antenne (200) de la revendication 1, dans lequel la première bande de fréquence varie de 1,15 GHz à 1,2 GHz, la troisième bande de fréquence varie de 4,8 GHz à 4,9 GHz, et la quatrième bande de fréquence varie de 3,4 GHz à 3,6 GHz.
  4. Appareil antenne (200) de la revendication 1, dans lequel la seconde source d'alimentation (220) est en outre configurée pour fournir un cinquième signal d'excitation, dans lequel le cinquième signal d'excitation est configuré pour exciter le second élément rayonnant (240) pour générer une résonance dans une cinquième bande de fréquence.
  5. Appareil antenne (200) de la revendication 4, dans lequel le deuxième bande de fréquence varie de 2,4 GHz à 2,69 GHz, et la cinquième bande de fréquence varie de 1,55 GHz à 1,6 GHz.
  6. Appareil antenne (200) de la revendication 1, comprenant en outre un premier circuit d'adaptation (M1) couplé entre la première source d'alimentation (210) et le premier élément rayonnant (230), et configuré pour réaliser une adaptation d'impédance pour la transmission d'un signal d'excitation fourni par la première source d'alimentation (210).
  7. Appareil antenne (200) de la revendication 1, comprenant en outre un second circuit d'adaptation (M2) couplé entre la seconde source d'alimentation (220) et le second élément rayonnant (240), et configuré pour réaliser une adaptation d'impédance pour un signal d'excitation fourni par la seconde source d'alimentation (220).
  8. Dispositif électronique (100), comprenant l'appareil antenne (200) de la revendication 1.
  9. Dispositif électronique (100) de la revendication 8, dans lequel une distance entre la seconde borne d'alimentation (242) et l'intervalle de couplage (201) est plus petite qu'une distance entre la seconde borne d'alimentation (242) et la seconde borne de mise à la terre (241).
  10. Dispositif électronique (100) de la revendication 8, comprenant en outre un cadre médian (120), dans lequel le cadre médian (120) comprend une première branche métallique (121) et une deuxième branche métallique (122) espacée de la première branche métallique (121), et le premier élément rayonnant (230) comprend la première branche métallique (121), et le second élément rayonnant (240) comprend la deuxième branche métallique (122).
  11. Dispositif électronique (100) de la revendication 8, comprenant en outre un boîtier arrière métallique (151), dans lequel le boîtier arrière métallique (151) définit des intervalles pour former respectivement une troisième branche métallique (152) et une quatrième branche métallique (153), le premier élément rayonnant (230) comprend la troisième branche métallique (152), et le second élément rayonnant (240) comprend la quatrième branche métallique (153).
EP20955705.7A 2020-09-30 2020-09-30 Appareil d'antenne et dispositif électronique Active EP4224630B1 (fr)

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CN117791093A (zh) * 2022-09-21 2024-03-29 Oppo广东移动通信有限公司 天线组件及电子设备
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CN106785458B (zh) * 2016-12-14 2024-03-19 南昌黑鲨科技有限公司 宽带天线及移动终端
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CN107317104A (zh) * 2017-06-27 2017-11-03 普联技术有限公司 一种天线装置及无线通信设备
CN109449574B (zh) * 2018-11-30 2021-03-09 维沃移动通信有限公司 一种天线系统及终端
CN109546311A (zh) * 2018-12-12 2019-03-29 维沃移动通信有限公司 一种天线结构及通信终端
CN109687111B (zh) * 2018-12-29 2021-03-12 维沃移动通信有限公司 一种天线结构及通信终端
CN111628298B (zh) * 2019-02-27 2022-03-11 华为技术有限公司 共体天线及电子设备
CN110350295A (zh) * 2019-06-30 2019-10-18 RealMe重庆移动通信有限公司 穿戴式电子设备
CN110380236B (zh) * 2019-07-12 2021-05-25 广州三星通信技术研究有限公司 电子终端中的天线滤波电路、天线滤波方法以及电子终端
CN110931956A (zh) * 2019-12-02 2020-03-27 维沃移动通信有限公司 一种天线装置和电子设备
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WO2022067680A1 (fr) 2022-04-07

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