# US 12,603,952 B2 · Electronic device

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- Number: US 12,603,952 B2
- Document ID: US12603952B2
- Status: Granted
- Kind: B2
- Application number: 18/191,476
- Filed: 2023-03-28
- Published: 2024-05-30
- Granted: 2026-04-14
- Earliest claimed: 2022-11-28
- Assignees: Beijing Xiaomi Mobile Software Co., Ltd.
- Applicants: Beijing Xiaomi Mobile Software Co., Ltd.
- Inventors: Xinbo Liu; Wei Wang; Xuwang Cui; Shaoshu Sha; Yueliang Li
- Web page: https://patentgrep.com/patent/US12603952B2

## CPC

- H04M 1/0277: {for a printed circuit board assembly}
- H01Q 1/243: {with built-in antennas}
- H01Q 1/44: using equipment having another main function to serve additionally as an antenna {, e.g. means for giving an antenna an aesthetic aspect}(H01Q1/27 - H01Q1/34 take precedence)
- H04M 1/0269: {mounted in a fixed curved configuration, e.g. display curved around the edges of the telephone housing}
- H04M 1/236: {including keys on side or rear faces}
- H04M 2201/38: Displays
- H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08)
- H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72)

## Abstract

The disclosure relates to an electronic device. The electronic device includes a metal border and a support frame located in the electronic device, the metal border includes an adjacent first border section, a first function key is arranged on the first border section, and an antenna connection part extending inward is arranged on an inner side of the first border section, so as to form a first antenna with the first border section as an antenna body. The support frame is arranged on an inner side of the metal border, the support frame has an avoidance notch, the antenna connection part penetrates through the avoidance notch, or the avoidance notch accommodates an inner end of the antenna connection part, and the antenna connection part and the support frame are arranged at an interval.

## Claims

### Claim 1

An electronic device, comprising:
a metal border, wherein the metal border comprises
a first border section,
a first function key arranged on the first border section, and
an antenna connection part extending inward and arranged on an inner side of the first border section, so as to form a first antenna with the first border section as an antenna body; and
a support frame arranged on an inner side of the metal border,
wherein
the support frame has an avoidance notch,
the antenna connection part penetrates through the avoidance notch, or the avoidance notch accommodates an inner end of the antenna connection part,
the antenna connection part and the support frame are arranged at an interval,
the antenna connection part is provided with an inward-concave structure comprising an inward-concave notch, and
the inward-concave notch is configured to be arranged with a fixed glue.

### Claim 2 (depends on 1)

The electronic device according to claim 1, wherein
the support frame has a support vertical wall opposite to the metal border and a support body extending inward from the support vertical wall, and
the avoidance notch comprises a first notch located in the support vertical wall and a second notch located in the support body.

### Claim 3 (depends on 1)

The electronic device according to claim 1, wherein a distance between the antenna connection part and the support frame is greater than or equal to 1 mm.

### Claim 4 (depends on 1)

The electronic device according to claim 1, further comprising:
a display screen,
wherein the display screen is a curved screen, and one side of the antenna connection part facing the display screen is provided with an avoidance groove opposite to a side end of the display screen.

### Claim 5 (depends on 2)

The electronic device according to claim 2, further comprising:
a flexible circuit board arranged on one side of the support vertical wall facing the metal border,
wherein the flexible circuit board has a circuit board notch corresponding to the first notch.

### Claim 6 (depends on 5)

The electronic device according to claim 5, wherein
the flexible circuit board comprises
a first part and a second part located on two opposite sides of the circuit board notch, and
a third part connected between the first part and the second part;
the first part is provided with a first touch part and the second part is provided with a second touch part;
a metal connection line connected with the first and second touch parts is arranged on the flexible circuit board; and
a portion of the metal connection line is arranged on the third part.

### Claim 7 (depends on 6)

The electronic device according to claim 6, wherein
the first function key has two opposite key operation parts close to two ends of the first function key;
the two opposite key operation parts are arranged corresponding to the two touch parts respectively;
the first function key is a volume key; and
the two opposite key operation parts are a volume increase operation part and a volume decrease operation part respectively.

### Claim 8 (depends on 6)

The electronic device according to claim 6, wherein
the metal border comprises a second border section adjacent to the first border section,
a first break joint exists between the second border section and the first border section,
a second function key is arranged on the second border section, and
the second function key is an on-off key.

### Claim 9 (depends on 6)

The electronic device according to claim 6, wherein
the first function key has two opposite key operation parts close to two ends of the first function key;
the two opposite key operation parts are arranged corresponding to the two touch parts respectively;
the first function key is a volume key;
the two opposite key operation parts are a volume increase operation part and a volume decrease operation part respectively;
the metal border comprises a second border section adjacent to the first border section;
a first break joint exists between the second border section and the first border section;
a second function key is arranged on the second border section; and
the second function key is an on-off key.

### Claim 10 (depends on 4)

The electronic device according to claim 4, wherein a distance between the side end of the display screen and the avoidance groove is greater than or equal to 1 mm.

### Claim 11 (depends on 1)

The electronic device according to claim 1, wherein the antenna connection part has the inward-concave structure formed by a semicircular inward-concave curved surface.

### Claim 12 (depends on 2)

The electronic device according to claim 2, wherein
the first function key has two opposite key operation parts close to two ends of the first function key,
the antenna connection part extends inward from a middle of the first border section, and
the antenna connection part is located between the two opposite key operation parts.

### Claim 13 (depends on 1)

The electronic device according to claim 1, further comprising:
a second antenna,
wherein
the metal border comprises a second border section adjacent to the first border section,
a first break joint exists between the second border section and the first border section,
the metal border further comprises a third border section located on one side of the first border section facing away from the second border section,
a second break joint exists between the third border section and the first border section, and
the third border section serves as an antenna body of the second antenna.

### Claim 14 (depends on 1)

The electronic device according to claim 1, wherein the antenna connection part, the metal border, and the support frame are integrally formed.

### Claim 15 (depends on 1)

The electronic device according to claim 1, wherein
the electronic device is a mobile phone, and
the metal border and the support frame are a portion of a middle frame respectively.

### Claim 16 (depends on 15)

The electronic device according to claim 15, wherein
the support frame has a support vertical wall opposite to the metal border and a support body extending inward from the support vertical wall, and
the avoidance notch comprises a first notch located in the support vertical wall and a second notch located in the support body.

### Claim 17 (depends on 16)

The electronic device according to claim 16, wherein
the first function key has two opposite key operation parts close to two ends of the first function key;
the two opposite key operation parts are arranged corresponding to two touch parts respectively, on two opposite sides of the first notch;
the first function key is a volume key; and
the two opposite key operation parts are a volume increase operation part and a volume decrease operation part respectively.

### Claim 18 (depends on 17)

The electronic device according to claim 17, wherein
the metal border comprises a second border section adjacent to the first border section,
a first break joint exists between the second border section and the first border section,
a second function key is arranged on the second border section, and
the second function key is an on-off key.

### Claim 19 (depends on 15)

The electronic device according to claim 15, further comprising
a second antenna,
wherein
the metal border comprises a second border section adjacent to the first border section,
a first break joint exists between the second border section and the first border section,
the metal border further comprises a third border section located on one side of the first border section facing away from the second border section,
a second break joint exists between the third border section and the first border section, and
the third border section serves as an antenna body of the second antenna.
