Cover of device acting as antenna of the device

Patent metadata

Field	Value
Publication number	US-10446911-B2
Application number	US-201615018859-A
Country	US
Kind code	B2
Filing date	Feb 8, 2016
Priority date	Feb 8, 2016
Publication date	Oct 15, 2019
Grant date	Oct 15, 2019

Abstract

A cover of a device acting as an antenna of the device is disclosed. The device comprises a first body and a second body, wherein the first body comprises: a first conductive portion of a first cover of the device configured as an antenna of the device; a second conductive portion of the first cover configured as a ground of the antenna; and a dielectric slot of the first cover; wherein the second body comprises: a first conductive portion of a second cover of the device; a second conductive portion of the second cover; and a dielectric slot in the second cover; wherein a shape of the first and the second conductive portion of the first body and the dielectric slot of the first body aligns with a shape of the first and the second conductive portion of the second body and the dielectric slot of the second body.

First claim

The invention claimed is:

1. A device, comprising:
a first body and a second body, wherein the bodies are configured to be displaceable when using the device;
wherein the first body comprises:
a first conductive portion of a cover of the device configured as an antenna of the device;
a second conductive portion of the cover configured as a ground of the antenna; and
a dielectric slot in the cover, which is configured between the first and the second conductive portions and extends along at least a portion of a length of the cover from an edge to an opposite edge of the cover to divide the first and second conductive portions of the first body;

wherein the second body comprises:
a first conductive portion of a second cover of the device;
a second conductive portion of the second cover; and
a dielectric slot in the second cover, which is configured between the first and the second conductive portions, the dielectric slot of the cover and the second cover extending across an entire length of a face of the cover and the second cover, respectively, from an edge to an opposite edge of the first cover and the second cover, and are configured to completely divide and electrically disconnect respective first and second conductive portions of each of the cover and the second cover;

wherein a shape of the first and the second conductive portion of the first body and the dielectric slot of the first body aligns identically with a shape of the first and the second conductive portion of the second body and the dielectric slot of the second body when the bodies are on one another, the first and second conductive portions operable as antenna elements when the first and second bodies are on one another and when the first and second bodies are separated.

2. The device of claim 1 , wherein the first conductive portion of the second body is configured for additional antenna diversity for the antenna and the second conductive portion of the second body is configured for the additional antenna diversity as additional ground.

3. The device of claim 1 , wherein the shapes are symmetrical.

4. The device of claim 1 , wherein the shapes are identical and the dielectric slot of the cover and the second cover are sandwiched between respective first and second conductive portions of the cover and the second cover.

5. The device of claim 1 , wherein the device is foldable so that the first and the second bodies are attached by a hinge.

6. The device of claim 5 , wherein the shapes are symmetrical with respect to an axis of rotation of the hinge.

7. The device of claim 5 , wherein when the bodies are in a folded position so that the bodies are on one another, both bodies are configured as the antenna, and when the bodies are in an unfolded position the first body is configured as the antenna.

8. The device of claim 5 , wherein when the bodies are in a folded position so that the bodies are on one another, both bodies are configured as the antenna, and when the bodies are in an unfolded position both bodies are configured as the antenna.

9. The device of claim 1 , wherein the first and the second bodies are detachable.

10. The device of claim 1 , wherein each body further includes a third conductive portion configured as the antenna and a second dielectric slot configured between the third conductive portion and the second conductive portion.

11. The device of claim 1 , wherein a width of the dielectric slot of each of the first and second bodies is substantially smaller than a width of the first conductive portion.

12. The device of claim 1 , wherein the first conductive portion of the first and second bodies are configured as multiple antennas of the device and does not detune antenna operation when the bodies are on one another, and the first conductive portions are configured for additional antenna diversity when the bodies are separated.

13. The device of claim 1 , wherein the first and the second conductive portions comprise metal.

14. The device of claim 1 , wherein the dielectric slot of the first and second bodies is configured as one of the following: horizontal, vertical, a freeform line, an oblique line, branching, and dual slots.

15. The device of claim 1 , wherein an edge of the first conductive portion of the first body and an edge of the first conductive portion of the second body are located at a distance from each other.

16. The device of claim 15 , wherein the distance is larger when the device is in an unfolded position than when the device is in a folded position, and in the unfolded position, the first and second conductive portions are located away from one or more user effects, including hand absorption.

17. A mobile device, comprising:
a first body and a second body, wherein the bodies are configured to be displaceable with respect to each other when using the mobile device, wherein each body comprises:
a first conductive portion of a cover of the mobile device configured as an antenna of the device;
a second conductive portion of the cover configured as a ground of the antenna; and
a dielectric slot in the cover, which is configured between the first and the second conductive portions, the dielectric slot extending across an entire length of a face of the cover of the first and second bodies, respectively, from an edge to an opposite edge of the cover of the first and second bodies, and are configured to completely divide and electrically disconnect respective first and second conductive portions of each of the first and second bodies;

wherein a design of the first and the second conductive portion of the first body and the dielectric slot of the first body aligns identically with a design of the first and the second conductive portion of the second body and the dielectric slot of the second body when the bodies are on one another, the first and second conductive portions operable as antenna elements when the first and second bodies are on one another and when the first and second bodies are separated.

18. The mobile device of claim 17 , wherein the first conductive portion of the second body is configured for antenna diversity for the antenna.

19. A method comprising:
attaching a first and a second body of a device to each other to a folded position so that a shape of a first and a second conductive portion of the first body and a dielectric slot of the first body aligns identically with a shape of a first and a second conductive portion of the second body and a dielectric slot of the second body, wherein the first body comprises:
the first conductive portion of a first cover of the device configured as an antenna of the device;
a second conductive portion of the first cover configured as a ground of the antenna; and
a dielectric slot of the first cover, which is configured between the first and the second conductive portions;
wherein the second body comprises:
a first conductive portion of a second cover of the device;
a second conductive portion of the second cover; and
a dielectric slot of the second cover, which is configured between the first and the second conductive portions, the dielectric slot of the cover and the second cover extending across an entire length of a face of the cover and the second cover, respectively, from an edge to an opposite edge of the cover and the second cover, and are configured to completely divide and electrically disconnect respective first and second conductive portions of each of the cover and the second cover; and maintaining an attachment, when the device is unfolded to an unfold po

Assignees

• Microsoft Technology Licensing Llc

Inventors

• Karilainen Antti

Classifications

• H01Q1/243 Primary

  with built-in antennas · CPC title

• H01Q13/10

  Resonant slot antennas · CPC title

• H01Q1/2266

  disposed inside the computer · CPC title

• H01Q21/28

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

• H01Q3/24

  varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching · CPC title