Electronic device having antenna

Patent metadata

Field	Value
Publication number	US-12166279-B2
Application number	US-201917594566-A
Country	US
Kind code	B2
Filing date	Sep 9, 2019
Priority date	Sep 9, 2019
Publication date	Dec 10, 2024
Grant date	Dec 10, 2024

Abstract

An electronic device having an antenna, according to the present invention, comprises a cone antenna comprising: a cone radiator which is provided between a first substrate and a second substrate, the upper part of which is connected to the first substrate and the lower part of which is connected to the second substrate, and which has an opening at the top thereof; a metal patch which is formed on the first substrate so as to be separated from the top opening; a second metal patch which is formed so as to be separated from the metal patch; and a shorting pin which is formed so as to electrically connect the second metal patch and a ground layer of the second substrate, thereby providing a cone antenna having a plurality of metal patches that operate in a wide frequency band from a low frequency band to a 5G sub 6 band.

First claim

What is claimed is:

1. An antenna system, comprising:
a cone antenna comprising:
a first substrate;
a second substrate spaced apart from the first substrate by a predetermined gap and provided with a ground layer;
a cone radiator provided between the first substrate and the second substrate, an upper part of which is connected to the first substrate, a lower part of which is connected to the second substrate, and provided with an aperture at the upper part;
a metal patch disposed on the first substrate, and disposed to surround the upper aperture of the cone antenna;
a second metal patch spaced apart from the metal patch by a predetermined distance to be electromagnetically coupled to the metal patch; and
a shorting pin disposed to electrically connect the second metal patch and the ground layer of the second substrate;
a plurality of outer rims configured to constitute the upper aperture of the cone antenna and to connect the cone antenna to the first substrate;
a plurality of fasteners configured to connect the outer rims and the first substrate; and
a transceiver circuit connected to the cone radiator through a power feeder to control a signal to be radiated through the cone antenna,
wherein a number of the plurality of outer rims and a number of the plurality of fasteners are configured to be three or greater to form multi-resonance of the cone antenna in a low frequency band.

2. The antenna system of claim 1 , wherein the first metal patch and the second metal patch are disposed in a state of being rotated by a predetermined angle with respect to the cone radiator to minimize an overall size of a hybrid cone antenna including the cone radiator, the first metal patch, and the second metal patch.

3. The antenna system of claim 1 , wherein a separation angle between the plurality of outer rims with respect to the center of the cone radiator is defined to be substantially the same as each other, and
the number of the plurality of outer rims and the number of the plurality of fasteners are each configured to be six.

4. The antenna system of claim 1 , wherein the metal patch and the second metal patch are disposed on a bottom surface of the first substrate.

5. The antenna system of claim 4 , further comprising:
a stack patch and a second stack patch spaced apart from the stack patch on a front surface of the first substrate,
wherein the stack patch and the second stack patch are each disposed in an upper region of the metal patch and the second metal patch.

6. The antenna system of claim 1 , wherein the shorting pin is defined as a single shorting pin vertically connected between the second metal patch and the second substrate, and
a null of a radiation pattern of the cone antenna is prevented from being generated by the single shorting pin.

7. An antenna system comprising:
a cone antenna comprising:
a first substrate;
a second substrate spaced apart from the first substrate by a predetermined gap and provided with a ground layer;
a cone radiator provided between the first substrate and the second substrate, an upper part of which is connected to the first substrate, a lower part of which is connected to the second substrate, and provided with an aperture at the upper part;
a metal patch disposed on the first substrate, and disposed to surround the upper aperture of the cone antenna;
a second metal patch spaced apart from the metal patch by a predetermined distance to be electromagnetically coupled to the metal patch; and
a shorting pin disposed to electrically connect the second metal patch and the ground layer of the second substrate; and a transceiver circuit connected to the cone radiator through a power feeder to control a signal to be radiated through the cone antenna,
wherein the shorting pin is a single shorting pin disposed to vertically connect the second metal patch, the second stack patch disposed at an upper part of the second metal patch, and the second substrate, and
a null of a radiation pattern of the cone antenna is prevented from being generated by the single shorting pin.

8. The antenna system of claim 1 , further comprising:
the power feeder disposed on the second substrate, and configured to transmit the signal through a lower aperture,
wherein an end portion of the power feeder is defined in a ring shape to correspond to a shape of the lower aperture.

9. The antenna system of claim 8 , further comprising:
a fastener configured to be connected to the second substrate through an inside of the end portion of the power feeder,
wherein the second substrate on which the power feeder is disposed and the cone radiator are fixed through the fastener.

10. The antenna system of claim 1 , wherein a dielectric region or slot region having a diameter greater than that of the upper aperture is provided inside the metal patch, and
the slot region is disposed to surround the upper aperture of the cone radiator so as to allow an electric field from the upper aperture of the cone radiator to be coupled to an inner side of the metal patch.

11. The antenna system of claim 10 , further comprising:
a stack patch and a second stack patch spaced apart from the stack patch on a front surface of the first substrate,
wherein a dielectric region or a second slot region having a diameter greater than that of the upper opening is provided inside the stack patch.

12. The antenna system of claim 1 , further comprising:
at least one non-metal supporter configured to vertically connect the first substrate and the second substrate so as to support the first substrate and the second substrate,
wherein at least one of the non-metal supporters is disposed to connect the metal patch and the second substrate,
another one of the non-metal supporters is disposed to connect the second metal patch and the second substrate, and
a null of a radiation pattern of the cone antenna is prevented from being generated by a single shorting pin disposed on the second metal patch.

13. The antenna system of claim 1 , wherein the metal patch is disposed as a rectangular patch having an outer side shape in a rectangular form, and
an inner side shape of the rectangular patch is defined in a circular shape to correspond to a shape of an outer line of the upper aperture so as to allow a signal radiated from the cone antenna to be coupled through an inner side of the rectangular patch.

14. A vehicle having an antenna, the vehicle comprising:
a cone antenna comprising:
a cone radiator disposed to connect a first substrate and a second substrate spaced apart from the first substrate by a predetermined gap, and provided with an upper aperture and a lower aperture;
a metal patch disposed on the first substrate, and disposed to surround the upper aperture of the cone antenna;
a second metal patch spaced apart from the metal patch by a predetermined distance to be electromagnetically coupled to the metal patch; and
a power feeder disposed on the second substrate, and configured to transmit a signal through the lower aperture;

a transceiver circuit connected to the cone radiator through the power feeder to control a signal to be radiated through the cone antenna; and
a processor that controls an operation of the transceiver circuit, and
wherein the cone antenna is implemented with a plurality of cone antennas disposed on an upper left, an upper right, a lower left and a lower right of the vehicle, and
wherein the processor controls the transceiver to perform multi-input multi-output (MIMO) through the plurality of cone antennas.

15. The vehicle of claim 14 , further comprising:
a shorting pin t

Assignees

• Lg Electronics Inc

Inventors

• Ryu Seungwoo
• Lee Joohee
• Jung Junyoung

Classifications

• H01Q9/0407

  Substantially flat resonant element parallel to ground plane, e.g. patch antenna (dipole H01Q9/285; monopole H01Q9/40) · CPC title

• H01Q1/32

  Adaptation for use in or on road or rail vehicles · CPC title

• H01Q1/241 Primary

  used in mobile communications, e.g. GSM (H01Q1/247, H01Q1/248 take precedence) · CPC title

• H01Q5/378

  Combination of fed elements with parasitic elements · CPC title

• H01Q1/38 Primary

  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)} · CPC title