WIRELESS CHARGING CONTROL METHOD AND APPARATUS IN WIRELESS POWER TRANSMISSION SYSTEM

• US 20160204642A1
• Filed: 08/11/2014
• Published: 07/14/2016
• Est. Priority Date: 08/13/2013
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: OH, Hun-Cheol, KIM, Soo-Hyung
• Granted Patent: US 10,263,452 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/60 responsive to the presence of foreign objects, e.g. detection of living beings
• 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 7/00045 Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source

Abstract

The present disclosure provides a wireless charging control method. The wireless charging control method in an apparatus having a wireless power reception module, includes sensing an event in a wireless charging mode, determining whether the sensed event is a predetermined wireless-charging indirect-associated event, when the sensed event is a predetermined wireless-charging indirect-associated event, identifying a wireless charging operation corresponding to the wireless-charging indirect-associated event and controlling wireless charging according to the identified wireless charging operation.

Claims

1. A wireless charging control method in an apparatus having a wireless power reception module, the method comprising:

sensing an event in a wireless charging mode;

determining whether the sensed event is a predetermined wireless-charging indirect-associated event;

when the sensed event is a predetermined wireless-charging indirect-associated event, identifying a wireless charging operation corresponding to the wireless-charging indirect-associated event; and

controlling wireless charging according to the identified wireless charging operation.

2. The method of claim 1, wherein the wireless-charging indirect-associated event is at least one of a call event, a user event, and a temperature change event.

3. The method of claim 1, wherein the wireless charging operation is at least one of a wireless charging stop, a wireless charging standby, and a wireless charging current level change.

4. The method of claim 3, wherein controlling the wireless charging according to the identified wireless charging operation comprises generating a wireless charging control signal according to the wireless charging operation and transmitting the generated wireless charging control signal to a wireless power transmission apparatus.

5. The method of claim 3, wherein controlling the wireless charging according to the identified wireless charging operation is to controls the wireless power reception module according to the wireless charging operation.

6. The method of claim 2, wherein, when the wireless-charging indirect-associated event corresponds to a call event, controlling the wireless charging corresponds to one of a wireless charging stop and a wireless charging standby.

7. The method of claim 6, wherein the call event is an event using a receiver.

8. The method of claim 7, wherein the call event using the receiver occurs by sensing human body proximity.

9. The method of claim 1, wherein, when the wireless-charging indirect-associated event corresponds to a user input event, controlling the wireless charging corresponds to one of a wireless charging stop, a wireless charging standby, and a wireless charging current level reduction.

10. The method of claim 9, wherein the user input event corresponds to at least one of a finger touch input, a finger proximity input, an electronic pen touch input, and an electronic pen proximity input.

11. The method of claim 6, wherein, when entering the wireless charging mode, an operation environment of a predetermined function associated with a wireless charging control is adjusted into a state according to the wireless charging mode.

12. The method of claim 11, wherein the predetermined function associated with wireless charging control is a call function, and the operation environment adjustment is to adjust a speaker call mode to have priority.

13. The method of claim 11, wherein the function associated with the wireless charging control corresponds to an input sensing processing function and the operation environment adjustment adjusts an input sensing threshold value to a predetermined input sensing threshold value at the time of wireless charging.

14. A wireless charging control method that receives wireless power and performs wireless charging, the method comprising:

when a wireless charging mode is performed, adjusting an operation environment of a predetermined call function according to call reception into a speaker call mode;

determining whether a call reception event occurs while performing a wireless charging operation;

when the call reception event occurs, performing a call operation in the speaker call mode;

when a human proximity state is sensed while the call operation is being performed, stopping the wireless charging operation and performing the call in a receiver call mode; and

when the human proximity state is not sensed while performing the call in the receiver call mode, starting the wireless charging operation and performing the call in the speaker call mode.

15. The method of claim 14, wherein stopping the wireless charging operation further comprises requesting a charging stop to a wireless power transmission apparatus and turning off a wireless charging reception function.

16. A mobile terminal having a wireless charging function, the mobile terminal comprising:

a touch screen that performs a display function relating to output information and an input function;

a wireless power reception module that receives charging power provided from an external wireless power transmission apparatus;

a power supply unit that receives charging power provided from the wireless power reception module and generates internal operation power for the mobile terminal; and

a control unit that controls operation of the mobile terminal by controlling respective functional units and, when a predetermined wireless-charging indirect-associated event occurs while a wireless charging operation is being performed, controls the wireless charging operation according to the wireless-charging indirect-associated event.

17. The mobile terminal of claim 16, further comprising:

a mobile communication unit that performs wireless signal transmitting and receiving;

a proximity sensor for sensing object proximity; and

a temperature sensor for sensing a temperature,

wherein the wireless-charging indirect-associated event corresponds to at least one of a call event, a user input event, and a temperature change event, and the wireless charging operation corresponds to at least one of a wireless charging stop, a wireless charging standby, and a wireless charging current level change.

18. The mobile terminal of claim 17, wherein controlling the wireless charging by the control unit comprises generating a wireless charging control signal according to the wireless charging operation, transmitting the generated wireless charging control signal to the wireless power transmission apparatus, and controlling the wireless power reception module.

19. The mobile terminal of claim 17, wherein, when the wireless charging operation is performed, the control unit adjusts an operation environment of a predetermined function associated with a wireless charging control into a state according to a wireless charging mode.

20. The mobile terminal of claim 19, wherein the predetermined function associated with the wireless charging control corresponds to a call function, and the operation environment adjustment adjusts a speaker call mode to have priority.

21. (canceled)