WIRELESS CHARGING DEVICE AND WIRELESS CHARGING SYSTEM

• US 20120007549A1
• Filed: 06/08/2011
• Published: 01/12/2012
• Est. Priority Date: 07/09/2010
• Status: Abandoned Application

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Murayama, Yuji, Fujimaki, Kenichi
• Application Number:
  US13/155,461
• Publication Number:
  US 20120007549A1
• Time in Patent Office: Days
• US Class Current: 320/108
• 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
• CPC Class Codes: H02J 50/90 involving detection or optimisation of position, e.g. alignment
• 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
• CPC Class Codes: H02J 7/0044 specially adapted for holding portable devices containing batteries H02J7/0045 takes precedence

Abstract

Disclosed herein is a wireless charging device including: a feeding device capable of feeding power on a wireless basis; and a display device, the feeding device including a power generating section configured to generate the power to be fed, a power transmitting element section configured to transmit the power generated by the power generating section, and a wireless communicating section capable of wireless data transmission and reception, and the display device being capable of displaying at least one of data transferred from a charging object device and received through the wireless communicating section and information on charging conditions, the information on the charging conditions being received as a response to the power transmitted for charging.

Claims

1. A wireless charging device comprising:

a feeding device capable of feeding power on a wireless basis; and

a display device,

said feeding device including

a power generating section configured to generate the power to be fed,

a power transmitting element section configured to transmit the power generated by said power generating section, and

a wireless communicating section capable of wireless data transmission and reception, and

said display device being capable of displaying at least one of data transferred from a charging object device and received through said wireless communicating section and information on charging conditions, the information on the charging conditions being received as a response to the power transmitted for charging.

2. The wireless charging device according to claim 1, wherein the information on said charging conditions includes at least one of a time remaining until full charge and a present charging rate.

3. The wireless charging device according to claim 1, wherein

said power transmitting element section has a resonant circuit including a resonance coil, and

said resonant circuit is shared by a power transmitting section configured to transmit the power and said wireless communicating section.

4. The wireless charging device according to claim 1, wherein

said power transmitting element section includes a resonance coil for transmitting the power,

the wireless charging device further includes

a device main body including said display device, and

a charging stand capable of assuming a retracted state of being folded up on said device main body and an unfolded state, and

at least the resonance coil of said power transmitting element section among said power generating section, said power transmitting element section, and said wireless communicating section of said feeding device is disposed in said charging stand.

5. A wireless charging system comprising:

a wireless charging device capable of transmitting power for charging on a wireless basis; and

an electronic device including a battery and a power receiving device, the power receiving device being capable of receiving the power of said wireless charging device and charging said battery,

said wireless charging device including

a feeding device capable of feeding the power on a wireless basis and

a display device,

said feeding device including

a power generating section configured to generate the power to be fed,

a power transmitting element section configured to transmit the power generated by said power generating section, and

a first wireless communicating section capable of wireless data transmission and reception to and from said electronic device,

said power transmitting element section including a first resonance coil for transmitting the power,

said display device being capable of displaying at least one of data transferred from the electronic device and received through said first wireless communicating section and information on charging conditions, the information on the charging conditions being received as a response to the power transmitted for charging, and

the power receiving device of said electronic device including

a power receiving element section including a second resonance coil for receiving the power while having a magnetic field resonance relation to said first resonance coil of said feeding device,

an information obtaining section configured to obtain the information on said charging conditions, and

a second wireless communicating section capable of wireless data transmission and reception to and from said wireless charging device, and capable of transmitting the information on the charging conditions, the information on the charging conditions being obtained by said information obtaining section, on a wireless basis as the response to the power received for charging from said wireless charging device.

6. The wireless charging system according to claim 5, wherein the information on said charging conditions includes at least one of a time remaining until full charge and a present charging rate.

7. The wireless charging system according to claim 5, wherein

said power transmitting element section has a first resonant circuit including a first resonance coil, and

said first resonant circuit is shared by a power transmitting section configured to transmit the power and said first wireless communicating section.

8. The wireless charging system according to claim 5, wherein

said power receiving element section has a second resonant circuit including a second resonance coil, and

said second resonant circuit is shared by a power receiving section configured to receive the power and said second wireless communicating section.

9. The wireless charging system according to claim 5, wherein

said wireless charging device includes

a device main body including said display device, and

a charging stand capable of assuming a retracted state of being folded up on said device main body and an unfolded state, and

at least the first resonance coil of said power transmitting element section among said power generating section, said power transmitting element section, and said first wireless communicating section of said feeding device is disposed in said charging stand.