ELECTRONIC DEVICE

• US 20150115726A1
• Filed: 04/25/2014
• Published: 04/30/2015
• Est. Priority Date: 10/31/2013
• Status: Abandoned Application

• Current Assignee: Samsung Electro-Mechanics Co., Ltd. (Samsung Group)
• Original Assignee: Samsung Electro-Mechanics Co., Ltd. (Samsung Group)
• Inventors: LIM, Hyun Keun, KANG, Chang Soo, SUNG, Jae Suk, OH, Soon Tack, LEE, Sung Uk, KIM, Si Hyung, PARK, Chul Gyun Gyun, CHANG, Ki Won
• Application Number:
  US14/262,364
• Publication Number:
  US 20150115726A1
• Time in Patent Office: Days
• US Class Current: 307/104
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/402 the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
• 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 50/90 involving detection or optimisation of position, e.g. alignment
• CPC Class Codes: H02J 7/00304 Overcurrent protection
• CPC Class Codes: H02J 7/00308 Overvoltage protection

Abstract

There is provided an electronic device including: a power reception unit having a plurality of power receiving coils and receiving a wireless power signal from a wireless power transmission device; a switching unit controlling an ON/OFF switching operation of the plurality of power receiving coils; and a control unit obtaining reception sensitivity of the power reception unit and controlling the switching unit based on the obtained reception sensitivity.

Claims

1. An electronic device comprising:

a power reception unit having a plurality of power receiving coils and receiving a wireless power signal from a wireless power transmission device;

a switching unit controlling an ON/OFF switching operation of the plurality of power receiving coils; and

a control unit obtaining reception sensitivity of the power reception unit and controlling the switching unit based on the obtained reception sensitivity.

2. The electronic device of claim 1, wherein the switching unit is a single-pole-n-throw (SPnT)-type switch.

3. The electronic device of claim 1, wherein the control unit obtains reception sensitivity of each power receiving coil.

4. The electronic device of claim 3, wherein the control unit compares respective reception sensitivity of the power receiving coils and selects a power receiving coil having the best reception sensitivity.

5. The electronic device of claim 4, wherein the control unit obtains reception sensitivity of each power receiving coil at a pre-set period.

6. An electronic device comprising:

a power reception unit having a plurality of power receiving coils and receiving a wireless power signal from a wireless power transmission device;

a switching unit controlling an ON/OFF switching operation of the plurality of power receiving coils; and

a control unit obtaining reception sensitivity of the power reception unit and selecting at least two of the plurality of power receiving coils based on the obtained reception sensitivity.

7. The electronic device of claim 6, wherein the control unit turns on the selected power receiving coils by time division.

8. The electronic device of claim 6, wherein the switching unit is a single-pole-n-throw (SPnT)-type switch.

9. The electronic device of claim 6, wherein the control unit obtains reception sensitivity of each power receiving coil.

10. The electronic device of claim 9, wherein the control unit compares respective reception sensitivity of the power receiving coils and selects a power receiving coil based on the comparison results.

11. An electronic device comprising:

a power reception unit having a plurality of power receiving coils and receiving a wireless power signal from a wireless power transmission device;

a switching unit controlling an ON/OFF switching operation of the plurality of power receiving coils; and

a control unit selecting at least two of the plurality of power receiving coils by time division.