Aerial module and mobile terminal device

• US 10,014,577 B2
• Filed: 04/18/2013
• Issued: 07/03/2018
• Est. Priority Date: 05/14/2012
• Status: Active Grant

• Current Assignee: ZTE Corporation
• Original Assignee: ZTE Corporation
• Inventors: Cao, Jian
• Primary Examiner(s): Phan, Tho G
• Assistant Examiner(s): HOLECEK, PATRICK R
• Application Number:
  US14/400,813
• Publication Number:
  US 20150145742A1
• Time in Patent Office: 1,902 Days
• CPC Class Codes: H01Q 1/38 formed by a conductive layer on an insulating support patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142
• CPC Class Codes: H01Q 21/28 Combinations of substantially independent non-interacting antenna units or systems multiple beam H01Q25/00
• CPC Class Codes: H01Q 7/00 Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
• CPC Class Codes: H02J 50/005 Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/70 involving the reduction of electric, magnetic or electromagnetic leakage fields

Abstract

The present document discloses an antenna module and a mobile terminal device, the antenna module includes an NFC antenna and a wireless charging antenna, the NFC antenna includes a flexible circuit board and an NFC antenna coil disposed thereon; the wireless charging antenna includes a flexible circuit board and a wireless charging antenna coil disposed thereon; the NFC antenna and the wireless charging antenna share one flexible circuit board, and the wireless charging antenna coil is disposed at a position without antenna wiring in the middle of the NFC antenna coil; the ends of the NFC antenna coil and the wireless charging antenna coil form contacts extending out of the flexible circuit board; the mobile terminal device includes the abovementioned antenna module; the antenna module is attached to the inner side of the housing of the mobile terminal, or the surface of the battery body facing the battery cover.

Claims

1. An antenna module, comprising:

a near-field wireless communication (NFC) antenna and a wireless charging antenna, wherein the NFC antenna comprises a flexible circuit board and an NFC antenna coil disposed on that flexible circuit board, the wireless charging antenna comprises a flexible circuit board and a wireless charging antenna coil disposed on that flexible circuit board, the NFC antenna and the wireless charging antenna are two different antennas and share one flexible circuit board, the wireless charging antenna coil is disposed at a position without antenna wiring in the middle of the NFC antenna coil, and ends of the NFC antenna coil and the wireless charging antenna coil form contacts extending out of the flexible circuit board;

wherein the NFC antenna further comprises a first ferrite, and the first ferrite is attached to the NFC antenna coil, and the wireless charging antenna further comprises a second ferrite, and the second ferrite is attached to the wireless charging antenna coil, wherein the center of the first ferrite of the NFC antenna is hollowed, a size of the hollow matches with a size of the wireless charging antenna coil, and the second ferrite of the wireless charging antenna is disposed in the hollow.

2. The antenna module of claim 1, wherein, both sides of the flexible circuit board are configured with the NFC antenna coil and the wireless charging antenna coil.

3. A mobile terminal device, comprising:

a housing, a motherboard, a battery and an antenna module, wherein, the antenna module adopts the antenna module of claim 1.

4. The mobile terminal device of claim 3, wherein, the contacts of the NFC antenna are connected to an antenna spring plate disposed on the motherboard and connected with the NFC circuit, the contacts of the wireless charging antenna are connected to an antenna spring plate disposed on the motherboard and connected with the wireless charging antenna circuit.

5. The mobile terminal device of claim 3, wherein, the antenna module is attached to an inner side of the housing;

or the antenna module is attached to a surface of the battery body facing a battery cover.

6. The mobile terminal device of claim 3, wherein, the mobile terminal device is a mobile phone, a personal digital assistant or another mobile communication device.

7. The mobile terminal device of claim 4, wherein, the antenna module is attached to an inner side of the housing;

or the antenna module is attached to a surface of the battery body facing a battery cover.

8. The mobile terminal device of claim 4, wherein, the mobile terminal device is a mobile phone, a personal digital assistant or another mobile communication device.