Integration of wireless charging unit in a wireless device

Patent metadata

Field	Value
Publication number	US-9577448-B2
Application number	US-201313954526-A
Country	US
Kind code	B2
Filing date	Jul 30, 2013
Priority date	Jul 30, 2013
Publication date	Feb 21, 2017
Grant date	Feb 21, 2017

Abstract

Described herein are techniques related to one or more systems, apparatuses, methods, etc. for implementing a wireless charging and a wireless connectivity in a device.

First claim

What is claimed is:

1. A device comprising:
a conductive chassis positioned at a bottom surface of the device, the conductive chassis includes a cutout that forms an opening in the bottom surface, wherein the conductive chassis is configured as a passive device electrode;
a dielectric insert that is positioned to cover an area of the cutout;
a conductive plate that is integrated to the dielectric insert, the conductive plate is configured as an active device electrode, wherein the active device electrode and the passive device electrode facilitate a wireless charging of the device, wherein a combined thickness of the dielectric insert and the integrated conductive plate fits within space having a thickness of the conductive chassis, wherein a combined thickness of the dielectric insert and the integrated conductive plate fits within space having a thickness of the conductive chassis.

2. The device as recited in claim 1 , wherein the conductive chassis is a metallic chassis.

3. The device as recited in claim 1 , wherein the conductive chassis is connected to a system ground.

4. The device as recited in claim 1 , wherein the dielectric insert includes a size that is greater than the size of the conductive plate, wherein the conductive plate is concentric with the dielectric insert.

5. The device as recited in claim 1 , wherein the dielectric insert is made of a plastic material.

6. The device as recited in claim 1 , wherein the device is selected from a group that includes a tablet, a mobile phone, and a laptop.

7. The device as recited in claim 1 further comprising an antenna coupler that is integrated to the conductive plate.

8. A wireless charging unit comprising:
a conductive chassis configured as a passive device capacitive electrode, the conductive chassis includes a cutout that forms an opening along a planar surface of the conductive chassis;
a dielectric insert that is positioned to cover an area of the cutout;
a conductive capacitive plate that is integrated to the dielectric insert, the conductive plate is configured as an active device capacitive electrode, wherein the active device capacitive electrode and the passive device capacitive electrode facilitate transmission or reception of a wireless charging power, wherein a combined thickness of the dielectric insert and the integrated conductive plate fits within space having a thickness of the conductive chassis.

9. The wireless charging unit as recited in claim 8 , wherein the conductive chassis is connected to a system ground.

10. The wireless charging unit as recited in claim 8 , wherein the conductive chassis is a metallic chassis.

11. The wireless charging unit as recited in claim 8 , wherein the dielectric insert includes a size that is greater than the size of the conductive plate, wherein the conductive plate is concentric with the dielectric insert.

12. The wireless charging unit as recited in claim 8 , wherein the dielectric insert is made of a plastic material.

13. The wireless charging unit as recited in claim 8 , wherein the integrated conductive plate is configured to operate on a low frequency signal and a relatively high operating voltage during a capacitive wireless charging process.

14. The wireless charging unit as recited in claim 8 , wherein the wireless charging unit is connected to a tablet, a mobile phone, or a laptop.

15. The wireless charging unit as recited in claim 8 , wherein the conductive plate includes an integrated antenna coupler that is utilized to facilitate a wireless connectivity.

16. A method of implementing a capacitive wireless charging and a wireless connectivity in a device, the method comprising:
forming a cutout along a planar surface of a conductive chassis of the device, the conductive chassis is configured as a passive device capacitive electrode;
disposing a dielectric insert over an area of the cutout;
integrating a conductive capacitive plate into the dielectric insert and configuring the conductive capacitive plate as an active device capacitive electrode, wherein a combined thickness of the dielectric insert and the integrated conductive plate fits within space having a thickness of the conductive chassis;
integrating an antenna coupler to the conductive capacitive plate; and
facilitating a capacitive wireless charging using the active device capacitive electrode and the passive device capacitive electrode and providing a wireless connectivity through the antenna coupler.

17. The method as recited in claim 16 , wherein the conductive chassis is connected to a system ground.

18. The method as recited in claim 16 , wherein the conductive chassis is a metallic chassis.

19. The method as recited in claim 16 , wherein the dielectric insert is made of a plastic material.

Assignees

• Yang Songnan
• Xiao Bin
• Karacaoglu Ulun
• Chen Chung-Hao J
• Utz James
• Intel Corp

Inventors

• Yang Songnan
• Xiao Bin
• Karacaoglu Ulun
• Chen Chung-Hao J
• Utz James

Classifications

• H02J7/731

  specially adapted for holding portable devices containing batteries (H02J7/751 takes precedence) · CPC title

• H02J7/70 Primary

  characterised by the mechanical construction · CPC title

• H02J50/10

  using inductive coupling · CPC title

• H02J50/20

  using microwaves or radio frequency waves · CPC title

• G06F1/26

  Power supply means, e.g. regulation thereof (for memories G11C) · CPC title