# US 12,224,500 B2 · Electronic device

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- Number: US 12,224,500 B2
- Document ID: US12224500B2
- Status: Granted
- Kind: B2
- Application number: 17/921,273
- Filed: 2021-04-23
- Published: 2023-06-01
- Granted: 2025-02-11
- Earliest claimed: 2020-04-27
- Assignees: Huawei Technologies Co., Ltd.
- Applicants: Huawei Technologies Co., Ltd.
- Inventors: Hanyang Wang; Meng Hou; Dong Yu; Pengfei Wu; Xiaowei Zhang; Chuanbo Shi
- Web page: https://patentgrep.com/patent/US12224500B2

## CPC

- H01Q 5/385: Two or more parasitic elements
- H01Q 1/243: {with built-in antennas}
- H01Q 1/245: {with means for shaping the antenna pattern, e.g. in order to protect user against rf exposure}
- H01Q 1/38: formed by a conductive layer on an insulating support {(patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142)}
- H01Q 1/48: Earthing means; Earth screens; Counterpoises
- H01Q 1/52: Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure (absorbing means H01Q17/00)
- H01Q 5/307: Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q 5/371: Branching current paths
- H01Q 9/42: with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
- H01Q 13/10: Resonant slot antennas
- H01Q 21/00: Antenna arrays or systems (arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system H01Q3/00)
- H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72)

## Abstract

The electronic device includes a composite antenna including a slot antenna and a wire antenna. A first strip-shaped conductor of the slot antenna includes a first ground part, a second ground part, and a feeding part. The first ground part and the second ground part are respectively two ends of the first strip-shaped conductor. The feeding part is located between the first ground part and the second ground part. A second strip-shaped conductor of the wire antenna includes a first end and a second end. The first end of the second strip-shaped conductor is electrically connected to the first ground part. The second end of the second strip-shaped conductor is an open end.

## Claims

### Claim 1

An electronic device, comprising a rear cover, a circuit board, a radio frequency transceiver circuit, a first antenna, and a second antenna, wherein the circuit board and the radio frequency transceiver circuit are located on a same side of the rear cover;
the first antenna comprises a first strip-shaped conductor, the first strip-shaped conductor comprising a first ground part, a second ground part, and a feeding part, and a first gap being formed between the circuit board and the first strip-shaped conductor, wherein the first ground part and the second ground part are respectively two ends of the first strip-shaped conductor, both the first ground part and the second ground part are grounded through the circuit board, and wherein the feeding part is located between the first ground part and the second ground part, and is electrically connected to the radio frequency transceiver circuit; and
the second antenna comprises a second strip-shaped conductor, the second strip-shaped conductor comprises a first end and a second end, the first end of the second strip-shaped conductor is electrically connected to the first ground part, the second end of the second strip-shaped conductor is an open end, and a second gap is formed between the circuit board and the second strip-shaped conductor,
the electronic device further comprising a support fastened between the circuit board and the rear cover, wherein:
the first strip-shaped conductor is fastened on the support;
the second strip-shaped conductor is fastened on the rear cover or the support;
the support includes a first end portion, a second end portion, and a middle portion between the first end portion and the second end portion;
the first end portion and the second end portion contact the circuit board; and
a gap is formed between the middle portion of the support and the circuit board.

### Claim 2 (depends on 1)

The electronic device according to claim 1, wherein the second antenna further comprises a third strip-shaped conductor, the third strip-shaped conductor comprises a first end and a second end, the first end of the third strip-shaped conductor is electrically connected to the second ground part, and the second end of the third strip-shaped conductor is an open end; and a third gap is formed between the circuit board and the third strip-shaped conductor.

### Claim 3 (depends on 2)

The electronic device according to claim 2,
wherein the third strip-shaped conductor is fastened on the rear cover or the support.

### Claim 4 (depends on 3)

The electronic device according to claim 3, wherein:
the first gap is formed between the first strip-shaped conductor and a board surface that is of the circuit board and that faces the rear cover;
the second gap is formed between the second strip-shaped conductor and the board surface that is of the circuit board and that faces the rear cover; and
the third gap is formed between the third strip-shaped conductor and the board surface that is of the circuit board and that faces the rear cover.

### Claim 5 (depends on 2)

The electronic device according to claim 2, wherein a projection of the first strip-shaped conductor on a board surface of the circuit board is a first projection, a projection of the second strip-shaped conductor on the board surface of the circuit board is a second projection, an included angle between the second projection and the first projection is a first angle, and the first angle is within a range from 90° to 270°; and a projection of the third strip-shaped conductor on the board surface of the circuit board is a third projection, and an included angle between the third projection and the first projection is a second angle, and the second angle is within the range from 90° to 270°.

### Claim 6 (depends on 5)

The electronic device according to claim 5, wherein both the first angle and the second angle are equal to 180°, and a length of the second strip-shaped conductor is equal to a length of the third strip-shaped conductor.

### Claim 7 (depends on 1)

The electronic device according to claim 1, wherein the second antenna further comprises a third strip-shaped conductor, the third strip-shaped conductor is fastened on the rear cover or a support that is fastened between the circuit board and the rear cover, the third strip-shaped conductor comprises a first end and a second end, the first end of the third strip-shaped conductor is connected to the first end of the second strip-shaped conductor, the first end of the third strip-shaped conductor is electrically connected to the first ground part, and the second end of the third strip-shaped conductor is an open end; and a clearance area of the second antenna is formed between the third strip-shaped conductor and a board surface that is of the circuit board and that faces the rear cover.

### Claim 8 (depends on 7)

The electronic device according to claim 7, wherein the second antenna further comprises a fourth strip-shaped conductor and a fifth strip-shaped conductor, both the fourth strip-shaped conductor and the fifth strip-shaped conductor are fastened on the rear cover or the support, a first clearance area of the second antenna is formed between the fourth strip-shaped conductor and the board surface that is of the circuit board and that faces the rear cover, and a second clearance area of the second antenna is formed between the fifth strip-shaped conductor and the board surface that is of the circuit board and that faces the rear cover; and
an end of the fourth strip-shaped conductor is connected to an end of the fifth strip-shaped conductor, connected ends of the fourth strip-shaped conductor and the fifth strip-shaped conductor are both electrically connected to the second ground part, and an end of the fourth strip-shaped conductor away from the fifth strip-shaped conductor and an end of the fifth strip-shaped conductor away from the fourth strip-shaped conductor are open ends.

### Claim 9 (depends on 8)

The electronic device according to claim 8, wherein a sum of a length of the fourth strip-shaped conductor and a length of the fifth strip-shaped conductor is equal to a sum of a length of the second strip-shaped conductor and a length of the third strip-shaped conductor.

### Claim 10 (depends on 1)

The electronic device according to claim 1, wherein a center distance between the feeding part and the first ground part is a first value, a center distance between the feeding part and the second ground part is a second value, and a ratio of the first value to the second value is within a range from 0.8 to 1.2.

### Claim 11 (depends on 1)

The electronic device according to claim 1, wherein the first antenna and the second antenna are configured to generate a plurality of resonance modes, and a resonance mode of the first antenna generates two specific absorption ratio (SAR) hotspots.

### Claim 12 (depends on 1)

The electronic device according to claim 1, wherein the first antenna and the second antenna are configured to generate a plurality of resonance modes, and a specific absorption ratio (SAR) value of each resonance mode is less than 1.

### Claim 13 (depends on 1)

The electronic device according to claim 1, wherein currents excited by the first strip-shaped conductor comprise a first current flowing from the first ground part to the feeding part, and a second current flowing from the second ground part to the feeding part.

### Claim 14 (depends on 1)

The electronic device according to claim 1, wherein a current excited by the second strip-shaped conductor comprises a current flowing from the second end of the second strip-shaped conductor to the first end of the second strip-shaped conductor.

### Claim 15 (depends on 1)

The electronic device according to claim 1, wherein the first end of the second strip-shaped conductor and the first ground part are directly connected or indirectly connected through coupling; or
the second antenna further comprises a third strip-shaped conductor, a first end of the third strip-shaped conductor and the first ground part are directly connected or indirectly connected through coupling.

### Claim 16 (depends on 1)

The electronic device according to claim 1,
wherein the first antenna is above the circuit board, a bottom surface of the second antenna is above and a top surface of the first antenna, and the first antenna does not contact the second antenna.

### Claim 17 (depends on 1)

The electronic device according to claim 1, wherein the first antenna is a slot antenna, and the second antenna is a wire antenna.

### Claim 18 (depends on 1)

The electronic device according to claim 1, wherein the first antenna and the second antenna are configured to resonate at different frequencies.

### Claim 19 (depends on 1)

The electronic device according to claim 1, wherein the first and second antennas are configured to excite multiple resonance modes, the multiple resonance modes including a slot antenna differential mode and a wire antenna common mode.