Granted Patent B2

US 12,633,674 · App. 18/116,151 · Granted May 19, 2026

Inventors: Yun Su Kang (Suwon-si, KR); Beom Sic Yoo (Yongin-si, KR)

Assignee: HL KLEMOVE CORP.

H01Q21/064H01Q1/32

Abstract

Claims (57)

1 . A vehicle antenna apparatus for transmitting and receiving radio waves, the vehicle antenna apparatus comprising:

a printed circuit board provided in a vehicle;

a subprocessor mounted on the printed circuit board; and

antenna modules electrically connected to the subprocessor, covering a portion of the printed circuit board, and mounted on one surface of the printed circuit board,

wherein the antenna modules include a first antenna module and a second antenna module,

wherein the first antenna module is formed to have a thickness greater than that of the second antenna module,

wherein the first antenna module and the second antenna module are located on the one surface of the printed circuit board,

wherein a difference in thickness between the first and second antenna modules is greater than or equal to twice (2λ) the wavelength (λ) of the radio wave transmitted and received by the antenna modules, and

wherein the first antenna module is an antenna module for transmission, and the second antenna module is an antenna module for reception.

2 . The vehicle antenna apparatus according to claim 1 , wherein one surface of the antenna modules mounted on the printed circuit board has a second area smaller than a first area of the printed circuit board.

3 . The vehicle antenna apparatus according to claim 2 , wherein the antenna modules are located inside the edge of the printed circuit board so as not to protrude to the side of the printed circuit board.

4 . The vehicle antenna apparatus according to claim 1 , wherein the subprocessor is located on the one surface of the printed circuit board.

5 . The vehicle antenna apparatus according to claim 4 , wherein the subprocessor is disposed in the center of the printed circuit board, and the antenna modules are disposed to be spaced apart from the subprocessor.

6 . The vehicle antenna apparatus according to claim 1 , wherein each of the antenna modules includes:

a module body mounted on the printed circuit board;

a waveguide formed in the module body and having a plurality of slots formed along a longitudinal direction; and

a power feeding network formed inside the module body to connect the waveguide and the subprocessor.

7 . The vehicle antenna apparatus according to claim 6 , wherein the number of the waveguide is plural, and

the plurality of waveguides are arranged side by side and adjacent to each other.

8 . The vehicle antenna apparatus according to claim 7 , wherein the module body includes an inner part adjacent to the printed circuit board, and an outer part positioned farther away from the printed circuit board than the inner part; and

the plurality of waveguides are formed within the outer part, and arranged side by side and adjacent to each other along the width direction of the module body.

9 . The vehicle antenna apparatus according to claim 8 , wherein the power feeding network is located in the inner part, and

a width of the inner part is smaller than or equal to a width of the outer part.

10 . A radar system comprising:

a vehicle antenna apparatus installed in a vehicle and configured to transmit and receive radio waves; and

a power supply unit configured to supply power to the vehicle antenna apparatus,

wherein the vehicle antenna apparatus includes:

a printed circuit board provided in the vehicle;

a subprocessor mounted on the printed circuit board; and

antenna modules electrically connected to the subprocessor, covering a portion of the printed circuit board and mounted on one surface of the printed circuit board,

wherein the antenna modules include a first antenna module and a second antenna module,

wherein the first antenna module is formed to have a thickness greater than that of the second antenna module,

wherein the first antenna module and the second antenna module are located on the one surface of the printed circuit board, and

wherein a difference in thickness between the first and second antenna modules is greater than or equal to twice (2λ) the wavelength (λ) of the radio wave transmitted and received by the antenna modules, and

wherein the first antenna module is an antenna module for transmission, and the second antenna module is an antenna module for reception.

11 . The radar system according to claim 10 , further including a main processor provided outside the vehicle antenna apparatus so as to be electrically connected to the subprocessor.

12 . A vehicle comprising:

a vehicle body; and

a vehicle antenna apparatus provided in the vehicle body and configured to transmit and receive radio waves,

wherein the vehicle antenna apparatus includes:

a printed circuit board provided in the vehicle body;

a subprocessor mounted on the printed circuit board; and

antenna modules electrically connected to the subprocessor, covering a portion of the printed circuit board and mounted on one surface of the printed circuit board,

wherein the antenna modules include a first antenna module and a second antenna module,

wherein the first antenna module is formed to have a thickness greater than that of the second antenna module,

wherein the first antenna module and the second antenna module are located on the one surface of the printed circuit board, and

wherein a difference in thickness between the first and second antenna modules is greater than or equal to twice (2λ) the wavelength (λ) of the radio wave transmitted and received by the antenna modules, and

wherein the first antenna module is an antenna module for transmission, and the second antenna module is an antenna module for reception.

13 . The vehicle according to claim 12 , wherein the vehicle antenna apparatus is provided in plurality, and

the plurality of vehicle antenna apparatuses are arranged to be spaced apart from each other along the circumference of the vehicle body.

14 . The vehicle according to claim 13 ,

wherein the vehicle body includes:

a central part; and

a plurality of corner parts protruding outward from the central part, and

wherein the plurality of vehicle antenna apparatuses include:

a front antenna apparatus provided in a front part of the vehicle body; and

a plurality of corner antenna apparatuses respectively provided in the plurality of corner parts.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (62)