ELECTRONIC DEVICE AND POWER SUPPLY SYSTEM OF ELECTRONIC DEVICE

• US 20120066524A1
• Filed: 09/02/2011
• Published: 03/15/2012
• Est. Priority Date: 09/10/2010
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: KIM, Nam Yun, Kwon, Sang Wook
• Granted Patent: US 9,009,504 B2
• Time in Patent Office: Days
• US Class Current: 713/310
• CPC Class Codes: G06F 1/26 Power supply means, e.g. regulation thereof for memories G11C
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices

Abstract

An electronic device and a power supplying system of the electronic device are provided. A power supplying method for an electronic device may include: obtaining information regarding power transmission efficiency between a source electronic device and a target electronic device; obtaining power for decoding and playback of multimedia data in the target electronic device; generating resonance power based on the power transmission efficiency and the obtained power; and transmitting the generated resonance power and multimedia data to the target electronic device.

Claims

1. A power supplying method for an electronic device, the method comprising:

obtaining information regarding power transmission efficiency between a source electronic device and a target electronic device;

obtaining power for decoding and playback of multimedia data in the target electronic device;

generating resonance power based on the power transmission efficiency and the obtained power; and

transmitting the generated resonance power and multimedia data to the target electronic device.

2. The method of claim 1, wherein the obtaining of the power transmission efficiency information comprises:

transmitting, to the target electronic device, calibration power for calibration of supply of power and information associated with an amount of the calibration power; and

receiving the power transmission efficiency information from the target electronic device.

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

decoding the multimedia data;

obtaining decoding power corresponding to an amount of power to be used for decoding the multimedia data; and

obtaining playback power corresponding to an amount of power to be used for playback of the multimedia data in the target electronic device,

wherein the decoding power and the playback power are obtained in response to the decoding of the multimedia data.

4. The method of claim 3, wherein an amount of the generated resonance power is determined based on the power transmission efficiency information, the decoding power, and the playback power.

5. The method of claim 1, wherein the obtaining of the power comprises:

encoding, by the source electronic device, the multimedia data;

obtaining encoding power corresponding to an amount of power to be used for encoding the multimedia data; and

obtaining playback power corresponding to an amount of power to be used for playback of the multimedia data in the target electronic device,

wherein the encoding power and the playback power are obtained in response to the decoding of the multimedia data.

6. The method of claim 5, wherein the amount of the generated resonance power is determined based on the power transmission efficiency information, the encoding power, the playback power, or any combination thereof.

7. A power supplying method for an electronic device, the method comprising:

calculating power transmission efficiency between a source electronic device and a target electronic device;

transmitting information regarding to the power transmission efficiency to the source electronic device;

receiving, from the source electronic device, multimedia data, and receiving, from the source electronic device, a resonance power to be used for decoding and playback of the multimedia data; and

decoding the multimedia data and performing playback of the decoded multimedia data, based on the received resonance power.

8. The method of claim 7, wherein the calculating of the power transmission efficiency comprises:

receiving calibration power for calibration of supply of power;

receiving information associated with an amount of the calibration power; and

calculating the power transmission efficiency based on an amount of the received calibration power and the information associated with the amount of the calibration power.

9. The method of claim 7, wherein an amount of the resonance power varies based on the power transmission efficiency information and a power corresponding to an amount of power to be used for decoding and playback of the multimedia data in the target electronic device.

10. A source electronic device, the device comprising:

a source controlling unit configured to obtain information regarding power transmission efficiency between a source electronic device and a target electronic device, and to obtain a power corresponding to an amount of power to be used for decoding and playback of multimedia data in the target electronic device;

a resonance power generating unit configured to generate a resonance power based on the power transmission efficiency information and the power;

a source resonance unit configured to transmit the generated resonance power to the target electronic device; and

a multimedia data processing unit configured to transmit the multimedia data to the target electronic device.

11. The device of claim 10, wherein the source controlling unit transmits calibration power for calibration of supply of power and information associated with an amount of the calibration power.

12. The device of claim 10, wherein the source controlling unit obtains decoding power corresponding to an amount of power to be used for decoding the multimedia data, obtains playback power to be used for playback of the multimedia data in the target electronic device, and determines an amount of the resonance power based on the power transmission efficiency information, the decoding power, the playback power, or any combination thereof.

13. The device of claim 10, wherein the source controlling unit obtains encoding power corresponding to an amount of power to be used for encoding the multimedia data, obtains playback power to be used for playback of the multimedia data in the target electronic device, and determines the resonance power based on the power transmission efficiency information, the encoding power, the playback power, or any combination thereof.

14. A target electronic device comprising:

a target controlling unit configured to calculate power transmission efficiency between a source electronic device and a target electronic device, and to transmit information regarding the power transmission efficiency to the source electronic device;

a target resonance unit configured to receive resonance power to be used for decoding and playback of the multimedia data;

a voltage converting unit configured to generate DC power from the received resonance power; and

a data processing unit configured to receive multimedia data from the source electronic device, to decode the multimedia data using the DC power, and to perform playback of the decoded multimedia data.

15. The device of claim 14, wherein:

the target resonance unit receives calibration power for calibration of supply of power; and

the target controlling unit calculates the power transmission efficiency information based on an amount of the calibration power received from the source electronic device and information associated with an amount of the calibration power.

16. The device of claim 14, wherein the amount of the resonance power varies based on the power transmission efficiency information and power corresponding to an amount of power to be used for decoding and playback of the multimedia data in the target electronic device.