Patch antenna module

Patent metadata

Field	Value
Publication number	US-11005166-B2
Application number	US-201716325141-A
Country	US
Kind code	B2
Filing date	Aug 16, 2017
Priority date	Aug 16, 2016
Publication date	May 11, 2021
Grant date	May 11, 2021

Abstract

Disclosed is a patch antenna module, which receives a signal for position information and a signal for vehicle communication by using one patch antenna, thereby minimizing a mounting space. The disclosed patch antenna module includes a dielectric; an upper patch formed on one surface of the dielectric and for receiving a signal for position information; a lower patch formed on the other surface of the dielectric; and a feed pin for penetrating the dielectric, the upper patch, and the lower patch, formed in a length within a predetermined range, and for receiving a signal for vehicle communication.

First claim

The invention claimed is:

1. A patch antenna module, comprising:
a printed circuit board,
a dielectric disposed on an upper surface of the printed circuit board;
an upper patch formed on an upper surface of the dielectric and for receiving a signal for position information;
a lower patch formed on a lower surface of the dielectric to be interposed between the printed circuit board and the dielectric; and
a feed pin for penetrating the dielectric, the upper patch, and the lower patch, formed in a length within a predetermined range, and for receiving a signal for vehicle communication,
wherein the length of the feed pin is a length from the upper patch to the ground surface of the printed circuit board, and
wherein the length within a predetermined range of the feed pin is 4.5 mm or more and 9.0 mm or less.

2. The patch antenna module of claim 1 , wherein the feed pin comprises
a head mounted on the upper patch; and
a main body for penetrating the dielectric, the upper patch, and the lower patch,
wherein the length of the feed pin is a length of the main body.

3. The patch antenna module of claim 1 , wherein the length within a predetermined range of the feed pin is 5.0 mm or more and 7.0 mm or less.

4. The patch antenna module of claim 1 ,
wherein the length within a predetermined range of the feed pin is 5.5 mm or more and 6.0 mm or less.

5. The patch antenna module of claim 1 , further comprising a spacer interposed between the lower patch and the printed circuit board.

6. The patch antenna module of claim 5 , wherein the spacer is formed to have a thickness corresponding to a value obtained by subtracting the thicknesses of the dielectric and the upper patch and the lower patch from the length of the feed pin.

7. The patch antenna module of claim 5 , wherein the spacer is a double-sided tape.

8. The patch antenna module of claim 1 , further comprising
a signal line having one end connected to the feed pin, and having the other end connected to a vehicle communication signal processing module; and
another signal line having one end connected to the feed pin, and having the other end connected to a position information signal processing module of the printed circuit board through a low-noise amplifier and a band-pass filter.

Assignees

• Amotech Co Ltd

Inventors

• Hwang Chul
• Jeong In-Jo
• Kim Sang-O
• Koh Dong-Hwan
• Lee Won-Hee
• Oh Hyun-Woo

Classifications

• H01Q9/04

  Resonant antennas · CPC title

• H01Q1/3225 Primary

  Cooperation with the rails or the road · CPC title

• H01Q5/364

  Creating multiple current paths · CPC title

• H01Q9/0485

  Dielectric resonator antennas · CPC title

• H01Q9/045

  with particular feeding means (for circular polarisation H01Q9/0428) · CPC title