METHOD AND APPARATUS FOR WIRELESSLY TRANSMITTING POWER AND POWER TRANSMISSION INFORMATION

• US 20170222471A1
• Filed: 04/11/2017
• Published: 08/03/2017
• Est. Priority Date: 07/22/2013
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: KWON, Hyuk Choon, KIM, Bong Chul, PARK, Jae Hyun, KIM, Nam Yun, KWON, Sang Wook, PARK, Yun Kwon
• Granted Patent: US 10,250,079 B2
• Time in Patent Office: Days
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/40 using two or more transmitting or receiving devices H02J50/50 takes precedence
• 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

Abstract

A method of operating a wireless power transmission apparatus includes receiving, from a wireless power reception apparatus, information on an operating power of a micro control unit (MCU) of the wireless power reception apparatus and information on an output of a direct current-to-direct current (DC/DC) converter of the wireless power reception apparatus; determining whether a charging power is to be transmitted to the wireless power reception apparatus based on the received information on the output of DC/DC converter; and transmitting, to the wireless power reception apparatus, an MCU operating power calculated based on the received information on the operating power of the MCU in response to a determination that the charging power is not to be transmitted to the wireless power reception apparatus.

Claims

1. A method of operating a wireless power transmission apparatus, the method comprising:

receiving, from a wireless power reception apparatus, information on a battery supply voltage, wherein the wireless power reception apparatus comprises a battery charging case comprising a battery charger;

determining whether a battery is inserted in the battery charging case based on the received information on the battery supply voltage; and

transmitting, to the wireless power reception apparatus, at least one of a communication power and a charging power based on a result of the determining.

2. The method of claim 1, wherein the determining comprises:

determining that the charging power is not to be transmitted to the wireless power reception apparatus in response to a determination that the battery is not inserted in the battery charging case.

3. The method of claim 1, wherein the determining comprises:

determining whether the battery is completely charged by the battery charger based on the received information on the battery supply voltage.

4. The method of claim 3, wherein the determining of whether the battery is completely charged by the battery charger comprises:

determining that the charging power is not to be transmitted to the wireless power reception in response to a determination that the battery is completely charged by the battery charger.

5. The method of claim 1, further comprising:

receiving, from the wireless power reception apparatus, information regarding whether the wireless power reception apparatus is connected to an external power supply;

determining whether the wireless power reception apparatus is connected to the external power supply based on the received information regarding whether the wireless power reception apparatus is connected to the external power supply; and

determining that the charging power is not to be transmitted to the wireless power reception apparatus in response to a determination that the wireless power reception apparatus is connected to the external power supply.

6. A method of operating a wireless power reception apparatus, the method comprising:

transmitting, to a wireless power transmission apparatus, information on a battery supply voltage, wherein the wireless power reception apparatus comprises a battery charging case comprising a battery charger; and

receiving at least one of a communication power and a charging power from the wireless power transmission apparatus,

wherein the received power is transmitted by the wireless power transmission apparatus in response to a result of determining, by the wireless power transmission apparatus, whether a battery is inserted in the battery charging case based on the information on the battery supply voltage.

7. The method of claim 6, wherein the charging power is not to be transmitted to the wireless power reception apparatus in response to a determination, of the wireless power transmission apparatus, that the battery is not inserted in the battery charging case.

8. The method of claim 6, wherein the received power is transmitted by the wireless power transmission apparatus in response to a result of further determining, by the wireless power transmission apparatus, whether the battery is completely charged by the battery charger based on the information on the battery supply voltage.

9. The method of claim 8, wherein the charging power is not to be transmitted to the wireless power reception in response to a determination that the battery is completely charged by the battery charger.

10. The method of claim 6, further comprising:

transmitting, to a wireless power transmission apparatus, information regarding whether the wireless power reception apparatus is connected to an external power supply, and

wherein the received power is transmitted by the wireless power transmission apparatus in response to a result of further determining, by the wireless power transmission apparatus, whether the wireless power reception apparatus is connected to the external power supply based on the information regarding whether the wireless power reception apparatus is connected to the external power supply, and

wherein the charging power is not to be transmitted to the wireless power reception apparatus in response to a determination that the wireless power reception apparatus is connected to the external power supply.