Integration of wireless charging unit in a wireless device

• US 9,577,448 B2
• Filed: 07/30/2013
• Issued: 02/21/2017
• Est. Priority Date: 07/30/2013
• Status: Expired due to Fees

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: Yang, Songnan, Xiao, Bin, Karacaoglu, Ulun, Chen, Chung-Hao J., Utz, James
• Primary Examiner(s): Parihar, Suchin
• Application Number:
  US13/954,526
• Publication Number:
  US 20150035474A1
• Time in Patent Office: 1,302 Days
• Field of Search: 320/107
• US Class Current: 1/1
• CPC Class Codes: G06F 1/1632 External expansion units, e.g. docking stations
• CPC Class Codes: G06F 1/26 Power supply means, e.g. regulation thereof for memories G11C
• CPC Class Codes: H02J 50/05 using capacitive coupling
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/20 using microwaves or radio frequency waves
• CPC Class Codes: H02J 7/0042 characterised by the mechanical construction
• CPC Class Codes: H02J 7/0044 specially adapted for holding portable devices containing batteries H02J7/0045 takes precedence

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.

Claims

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.