Mobile device and combo coil module
View Patent ↗An apparatus may include a near field communication (NFC) antenna coil and a wireless power receiving coil. The NFC antenna coil and the receiving coil may be arranged on a magnetic sheet. The wireless power receiving coil may be concentrically disposed on the magnetic sheet within an inner periphery of the NFC antenna coil. An inner diameter of the wireless power receiving coil may be greater than or equal to an inner diameter of reference listener antenna coil RL-6, of the reference listener coils specified by the NFC forum.
1. An apparatus comprising:
a near field communication (NFC) antenna coil;
a wireless power charge (WPC) receiving coil, wherein the NFC antenna coil and the WPC receiving coil are arranged on a magnetic sheet; and
a resonance coil arranged on the magnetic sheet within an inner periphery of the WPC receiving coil, wherein
the WPC receiving coil is concentrically disposed on the magnetic sheet within an inner periphery of the NFC antenna coil, and
an inner diameter of the WPC receiving coil is greater than or equal to an inner diameter of reference listener antenna coil 6 (RL-6).
2. The apparatus of claim 1 , wherein
an outer diameter of the WPC receiving coil is less than an inner diameter of reference listener antenna coil 3 (RL-3).
3. The apparatus of claim 1 , wherein
a diameter of the NFC antenna coil corresponds to a diameter of reference listener antenna coil 1 (RL-1).
4. The apparatus of claim 3 , wherein
an outer diameter of the NFC antenna coil corresponds to an outer diameter of the reference listener antenna 1 (RL-1).
5. The apparatus of claim 1 , wherein
at least one of the NFC antenna coil and the WPC receiving coil are embedded in the magnetic sheet.
6. The apparatus of claim 5 , wherein
the at least one of the NFC antenna coil and the WPC receiving coil are embedded in the magnetic sheet at a depth corresponding to a thickness of the NFC antenna coil.
7. The apparatus of claim 5 , further comprising:
a resonance coil arranged on the magnetic sheet within an inner periphery of the WPC receiving coil.
8. The apparatus of claim 7 , wherein
the resonance coil is embedded in the magnetic sheet.
9. The apparatus of claim 1 , wherein
a thickness of the NEC antenna coil is less than a thickness of the WPC receiving coil.
10. The apparatus of claim 1 , wherein
the magnetic sheet has a substantially square shape.
11. The apparatus of claim 10 , wherein
a length of a side of the magnetic sheet is substantially the same as a length of a side of reference listener antenna coil 1 (RL-1).
12. The apparatus of claim 1 , wherein:
the apparatus is configured to be installed in a mobile device, the mobile device including circuitry configured to provide an electric current to power the mobile device, and
dimensions of the magnetic sheet correspond to dimensions of the circuitry.
13. The apparatus of claim 1 , wherein
The magnetic sheet has dimensions greater than dimensions of reference listener antenna coil 1 (RL-1).
14. The apparatus of claim 1 , wherein
the magnetic sheet is mounted on a battery.
15. A mobile device comprising:
circuitry configured to provide an electric current to power the mobile device;
a near field communication (NFC) antenna coil; and
a wireless power charge (WPC) receiving coil, wherein the NFC antenna coil and the WPC receiving coil are arranged on a magnetic sheet; and
a resonance coil arranged on the magnetic sheet within an inner periphery of the WPC receiving coil, wherein
the WPC receiving coil is concentrically disposed on the magnetic sheet within an inner periphery of the NFC antenna coil,
an inner diameter of the WPC receiving coil is greater than or equal to an inner diameter of reference listener antenna coil 6 (RL-6), and
the magnetic sheet is interposed in the mobile device between the circuitry and each of the NFC antenna coil and the WPC receiving coil.
16. The mobile device of claim 15 , wherein
an outer diameter of the WPC receiving coil is less than an inner diameter of reference listener antenna coil 3 (RL-3).
17. The mobile device of claim 15 , wherein
a diameter of the NFC antenna coil corresponds to a diameter of reference listener antenna coil 1 (RL-1).
18. The mobile device of claim 15 , wherein
dimensions of the magnetic sheet correspond to dimensions of the circuitry.
19. An apparatus comprising:
a near field communication (NFC) antenna coil arranged on a magnetic sheet;
a wireless power charge (WPC) receiving coil arranged on the magnetic sheet; and
a resonance coil arranged on the magnetic sheet within an inner periphery of the WPC receiving coil, wherein
the WPC receiving coil is concentrically disposed on the magnetic sheet within an inner periphery of the NFC antenna coil.