Wireless charging unit and coupler based docking combo for a wireless device

• US 10,084,338 B2
• Filed: 07/31/2013
• Issued: 09/25/2018
• Est. Priority Date: 07/31/2013
• Status: Active Grant

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: Yang, Songnan, Xiao, Bin, Karacaoglu, Ulun
• Primary Examiner(s): Berhanu, Samuel
• Application Number:
  US14/869,977
• Publication Number:
  US 20160134149A1
• Time in Patent Office: 1,882 Days
• Field of Search: 320108
• 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 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
• CPC Class Codes: H02J 7/00034 Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
• CPC Class Codes: H02J 7/0013 acting upon several batteries simultaneously or sequentially H02J7/1423 takes precedence
• CPC Class Codes: H02J 7/0047 with monitoring or indicating devices or circuits

Abstract

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

Claims

1. A device comprising:

a wireless charger configured to facilitate receiving a charging power and comprising;

a coupler antenna configured to facilitate receiving or transmitting a data signal;

a conductive chassis configured as a passive device electrode, positioned at a bottom surface of the device, and including a cutout that forms an opening in the bottom surface;

a dielectric insert that is positioned to cover an area of the cutout; and

a conductive plate that is integrated to the dielectric insert, the conductive plate being configured as an active device electrode, wherein the active device electrode and the passive device electrode facilitate the receiving of the charging power;

a wireless communication processor configured to process the data signal; and

a filter configured to couple the coupler antenna to the wireless communication processor, the filter comprising a capacitor configured to provide a first impedance to the data signal and a second impedance to the charging power.

2. The device as recited in claim 1, wherein the wireless communication processor is a Wireless-Fidelity (Wi-Fi) processor.

3. The device as recited in claim 2, wherein at least one decoupling capacitor is positioned at an input port and an output port of the Wi-Fi processor.

4. The device as recited in claim 1, wherein the filter is a high frequency filter that comprises a decoupling capacitor configured to provide the first and the second impedances, the first impedance being a low impedance and the second impedance being a high impedance.

5. The device as recited in claim 4, wherein the high frequency filter includes an attenuator that is configured to control an amplitude of the data signal, wherein the amplitude of the data signal is further controlled by adjusting a coupling capacitance between the coupler antenna and another coupler antenna during a wireless connectivity.

6. The device as recited in claim 1, wherein the wireless charger and the coupler antenna are integrated to form a single circuitry.

7. The device as recited in claim 6, wherein the wireless charger includes a conductive plate that is utilized as a ground plane by the coupler antenna.

8. The device as recited in claim 6, wherein the wireless charger includes the conductive chassis, wherein the conductive chassis is directly connected to a system ground.

9. The device as recited in claim 6, wherein the integration of the coupler antenna to the wireless charger includes a ground reference and the ground reference includes a reduced circuit area.

10. The device as recited in claim 1, wherein the filter includes a set of discrete baluns that is configured to facilitate continuity of the data signal by separating the data signal from a system ground.

11. The device as recited in claim 1, wherein the device comprises a tablet, a mobile phone, or a laptop.

12. A wireless docking combo comprising:

a wireless charger configured to facilitate receiving a charging power, and comprising;

a coupler antenna configured to facilitate receiving or transmitting of a data signal;

a conductive chassis configured as a passive device electrode, being positioned at a bottom surface of the device, and including a cutout that forms an opening in the bottom surface;

a dielectric insert that is positioned to cover an area of the cutout; and

a conductive plate that is integrated to the dielectric insert, the conductive plate being configured as an active device electrode, wherein the active device electrode and the passive device electrode facilitate the receiving or the transmitting of the charging power;

a wireless communication processor configured to process the data signal; and

a filter configured to couple the coupler antenna to the wireless communication processor, wherein the filter comprises a capacitor at an input port and an output port of the wireless communication the capacitor being configured to provide a first impedance to the data signal and a second impedance to the charging power.

13. The wireless docking combo as recited in claim 12, wherein the wireless communication processor is a Wireless-Fidelity (Wi-Fi) processor.

14. The wireless docking combo as recited in claim 12, wherein the wireless charger and the coupler antenna are integrated to form a circuitry of the wireless docking combo.

15. The wireless docking combo as recited in claim 14, wherein the wireless charger includes a conductive plate that is utilized as a ground plane by the coupler antenna.

16. The wireless docking combo as recited in claim 14, wherein the wireless charger includes the conductive chassis, wherein the conductive chassis is directly connected to a system ground.

17. The wireless docking combo as recited in claim 12, wherein the filter is a high-frequency filter that couples the coupler antenna to the wireless communication processor, the high-frequency filter includes a decoupling capacitor at an input port and an output port of the wireless communication processor, the decoupling capacitor is configured to provide the first and the second impedances, the first impedance being a low impedance and the second impedance being a high impedance.

18. The wireless docking combo as recited in claim 17, wherein the high-frequency filter includes an attenuator that is configured to control a strength of the data signal, wherein the strength of the data signal is further controlled by adjusting a coupling capacitance between the coupler antenna and another coupler antenna during a wireless connectivity.

19. The wireless docking combo as recited in claim 12, wherein the high-frequency filter includes a set of discrete baluns that is configured to facilitate continuity of the data signal by separating the data signal from a system ground.

20. The wireless docking combo as recited in claim 12, wherein the wireless docking combo is a component of a tablet, a mobile phone, or a laptop.

21. A method of implementing a wireless charging and a wireless connectivity combo in a device, the method comprising:

receiving or transmitting a data signal through a coupler antenna;

receiving a wireless charging power through a wireless charger that comprises;

a conductive chassis configured as a passive device electrode, positioned at a bottom surface of the device, and including a cutout that forms an opening in the bottom surface;

a dielectric insert that is positioned to cover an area of the cutout; and

a conductive plate that is integrated to the dielectric insert, the conductive plate being configured as an active device electrode, wherein the active device electrode and the passive device electrode facilitate the receiving or the transmitting of the charging power;

separating the data signal from the wireless charging power by using a capacitor that provides a first impedance to the data signal and a second impedance to the wireless charging power.

22. The method as recited in claim 21, wherein the receiving or transmitting of the data signal utilizes an attenuator that is configured to control a strength of the data signal, wherein the strength of the data signal is further controlled by adjusting a coupling capacitance between the coupler antenna and another coupler antenna during a wireless connectivity.

23. The method as recited in claim 21, wherein the decoupling capacitor is positioned at an input port and an output port of a Wireless-Fidelity (Wi-Fi) processor that is configured to process the data signal.

24. The method as recited in claim 21, wherein the data signal includes a high-frequency data signal while the wireless charging power includes a low-frequency wireless charging power.

25. The method as recited in claim 21, wherein the wireless charger and coupler antenna are integrated to form a single circuitry.