Antenna device

Patent metadata

Field	Value
Publication number	US-11239571-B2
Application number	US-201816755160-A
Country	US
Kind code	B2
Filing date	Jul 5, 2018
Priority date	Oct 19, 2017
Publication date	Feb 1, 2022
Grant date	Feb 1, 2022

Abstract

Even a thin communication device is enabled to transmit or receive a polarized wave having a polarization direction substantially coinciding with a thickness direction of the communication device.An antenna device includes a first substrate extending in a first direction, a second substrate supported on the first substrate, and extending in both the first direction and a second direction orthogonal to the first direction, and an antenna element supported on a surface of the second substrate, the surface having a normal direction substantially coinciding with a third direction orthogonal to both the first direction and the second direction, and configured to transmit or receive a wireless signal having a polarization direction substantially coinciding with the second direction.

First claim

The invention claimed is:

1. An antenna device comprising:
a first substrate extending in a first direction;
a second substrate supported on the first substrate, and extending in both the first direction and a second direction orthogonal to the first direction; and
an antenna element supported on a surface of the second substrate, the surface having a normal direction substantially coinciding with a third direction orthogonal to both the first direction and the second direction, and configured to transmit or receive a wireless signal having a polarization direction substantially coinciding with the second direction, wherein
the antenna element includes an element formed by stacking, in the second direction, a plurality of members extending in the first direction.

2. An antenna device comprising:
a first substrate extending in a first direction;
a second substrate supported on the first substrate, and extending in both the first direction and a second direction orthogonal to the first direction; and
a first antenna element supported on a surface of the second substrate, the surface having a normal direction substantially coinciding with a third direction orthogonal to both the first direction and the second direction, and configured to transmit or receive a wireless signal having a polarization direction substantially coinciding with the second direction, wherein
the second substrate is supported on an end side in the third direction on a surface of the first substrate, the surface having a normal direction substantially coinciding with the second direction, and
the antenna device further comprising:
a second antenna element different from the first antenna element, supported on the end side in the third direction of the first substrate, and configured to transmit or receive a wireless signal having a polarization direction substantially coinciding with the first direction.

3. The antenna device according to claim 2 , wherein the first antenna element includes a first element extending in the second direction.

4. The antenna device according to claim 3 , wherein the first element is formed by stacking, in the second direction, a plurality of members extending in the first direction.

5. The antenna device according to claim 2 , wherein the second antenna element includes a second element extending in the first direction.

6. The antenna device according to claim 2 , wherein at least either the first antenna element or the second antenna element is configured as a dipole antenna.

7. The antenna device according to claim 2 , further comprising:
a plurality of at least either the first antenna elements or the second antenna elements, wherein
the plurality of antenna elements is supported to be separated from one another along the first direction.

8. The antenna device according to claim 7 , further comprising:
a plurality of both the first antenna elements and the second antenna elements, wherein
the second substrate is supported with respect to the first substrate such that at least a part in the first direction of one region that is either a first region in which the plurality of first antenna elements is disposed in the first direction or a second region in which the plurality of second antenna elements is disposed in the first direction is adjacent to the other region in the second direction.

9. The antenna device according to claim 8 , further comprising:
a first dielectric provided to include at least the first region on a surface of the second substrate on which the plurality of first antenna elements is supported; and
a second dielectric provided to include at least the second region on an end of the first substrate on which the plurality of second antenna elements is supported, wherein
the second substrate is supported with respect to the first substrate such that a dielectric of either the first dielectric or the second dielectric, the dielectric being provided to include the other region, is adjacent in the second direction to only a part in the first direction of the one region.

10. The antenna device according to claim 9 , wherein the second substrate is supported with respect to the first substrate such that one substrate that is either the first substrate or the second substrate protrudes in the first direction with respect to an end in the first direction of the other substrate.

11. The antenna device according to claim 8 , wherein the second substrate is supported with respect to the first substrate such that at least a partial region in the first direction of the other region is adjacent in the second direction to the entire one region in the first direction.

12. The antenna device according to claim 7 , further comprising:
a plurality of both the first antenna elements and the second antenna elements, wherein
the second substrate is supported with respect to the first substrate such that the first region where the plurality of first antenna elements is disposed in the first direction is adjacent in the second direction to a third region of a region along the first direction of the first substrate, the third region being different from the second region where the plurality of second antenna elements is disposed in the first direction.

13. The antenna device according to claim 7 , further comprising:
a plurality of both the first antenna elements and the second antenna elements; and
a third antenna element supported with respect to a fourth region of a region along the first direction of the second substrate, the fourth region being different from the first region where the plurality of first antenna elements is disposed, and configured to transmit or receive a wireless signal having a polarization direction substantially coinciding with the first direction, wherein
the plurality of first antenna elements is supported in a region adjacent in the second direction to the fourth region, the region being of a region along the first direction of the first substrate.

14. The antenna device according to claim 13 , wherein the first region is formed to protrude in the third direction with respect to the fourth region.

15. The antenna device according to claim 1 , wherein the antenna element is configured as a planar antenna that transmits or receives each of a first wireless signal that is the wireless signal and a second wireless signal having a polarization direction substantially coinciding with the first direction.

16. The antenna device according to claim 15 , further comprising:
a plurality of the antenna elements, wherein
the plurality of antenna elements is supported to be separated from one another along the first direction.

17. An antenna device comprising:
a first substrate extending in a first direction;
a second substrate supported on the first substrate, and extending in both the first direction and a second direction orthogonal to the first direction; and
an antenna element supported on a surface of the second substrate, the surface having a normal direction substantially coinciding with a third direction orthogonal to both the first direction and the second direction, and configured to transmit or receive a wireless signal having a polarization direction substantially coinciding with the second direction, wherein
the first substrate includes
a surface located on an opposite side to a direction in which the second substrate extends in the second direction, and having a normal direction substantially coinciding with an opposite direction to the second direction, and
a fourth antenna element different from a first antenna elem

Assignees

• Sony Corp

Inventors

• Suzuki Yuichiro
• Wang Shen
• Ito Takayoshi
• Ozone Toru
• Sato Jin

Classifications

• H01Q9/28

  Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines (waveguide horns or mouths H01Q13/00; slot antennas H01Q13/00) · CPC title

• H01Q21/24 Primary

  Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction {(circularly polarised patch antennas H01Q9/0428; circularly polarised horns H01Q13/0241; cross-polarised horns H01Q13/0258; polarisation converters H01Q15/242; cross-polarised rear feeds H01Q19/136; crossed polarisation dual antenna H01Q25/001)} · CPC title

• H01Q21/08 Primary

  the units being spaced along or adjacent to a rectilinear path {(waveguide fed H01Q21/0037)} · CPC title

• H01Q21/28

  Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)} · CPC title

• H04B7/10

  Polarisation diversity; Directional diversity · CPC title