Wireless antenna for wireless charging and NFC communication and wireless terminal to which same is applied
A wireless antenna can include a wireless communication antenna including a first wireless communication coil, and a second wireless communication coil; and a wireless charging antenna including a wireless charging coil, in which the wireless charging coil is disposed inside the first wireless communication coil, the second wireless communication coil is disposed inside the wireless charging coil, the wireless communication antenna further includes a coil connection member traversing the wireless charging coil to interconnect the first wireless communication coil and the second wireless communication coil, and a width of a winding of the second wireless communication coil is less than a width of a winding of the first communication coil.
1. A wireless antenna comprising:
a wireless communication antenna comprising:
a first wireless communication coil, and
a second wireless communication coil; and
a wireless charging antenna comprising:
a wireless charging coil,
wherein the wireless charging coil is disposed inside the first wireless communication coil,
wherein the second wireless communication coil is disposed inside the wireless charging coil,
wherein the wireless communication antenna further comprises a coil connection member traversing the wireless charging coil to interconnect the first wireless communication coil and the second wireless communication coil, and
wherein a width of a winding of the second wireless communication coil is less than a width of a winding of the first communication coil.
2. The wireless antenna according to claim 1 , wherein a number of windings of the second wireless communication coil is different from a number of windings of the first wireless communication coil.
3. The wireless antenna according to claim 2 , wherein a number of windings of the wireless charging coil is greater than the number of windings of the first wireless communication coil.
4. The wireless antenna according to claim 2 , wherein the number of windings of the second wireless communication coil is one.
5. The wireless antenna according to claim 1 , wherein the first wireless communication coil and the second wireless communication coil are connected to each other in series, and
wherein the first wireless communication coil and the second wireless communication coil are wound to have a same current rotation direction.
6. The wireless antenna according to claim 1 , wherein a minimum distance between the second wireless communication coil and the wireless charging coil is greater than a minimum distance between the first wireless communication coil and the wireless charging coil.
7. A wireless antenna comprising:
a wireless communication antenna comprising:
a first wireless communication coil, and
a second wireless communication coil; and
a wireless charging antenna comprising:
a wireless charging coil,
wherein the wireless charging coil is disposed inside the first wireless communication coil,
wherein the second wireless communication coil is disposed inside the wireless charging coil,
wherein the wireless communication antenna further comprises a coil connection member traversing the wireless charging coil to interconnect the first wireless communication coil and the second wireless communication coil, and
wherein a width of a line of the coil connection member is less than a width of a winding of the first communication coil.
8. The wireless antenna according to claim 7 , wherein a number of windings of the second wireless communication coil is different from a number of windings of the first wireless communication coil.
9. The wireless antenna according to claim 8 , wherein the number of windings of the second wireless communication coil is less than the number of windings of the first wireless communication coil.
10. The wireless antenna according to claim 8 , wherein a number of windings of the wireless charging coil is greater than the number of windings of the first wireless communication coil.
11. The wireless antenna according to claim 8 , wherein the number of windings of the second wireless communication coil is one.
12. The wireless antenna according to claim 7 , wherein the first wireless communication coil and the second wireless communication coil are connected to each other in series, and
wherein the first wireless communication coil and the second wireless communication coil are wound to have a same current rotation direction.
13. The wireless antenna according to claim 7 , wherein a minimum distance between the second wireless communication coil and the wireless charging coil is greater than a minimum distance between the first wireless communication coil and the wireless charging coil.
14. A wireless antenna comprising:
a wireless communication antenna comprising:
a first wireless communication coil, and
a second wireless communication coil; and
a wireless charging antenna comprising:
a wireless charging coil,
wherein the wireless charging coil is disposed inside the first wireless communication coil,
wherein the second wireless communication coil is disposed inside the wireless charging coil,
wherein the wireless communication antenna further comprises a coil connection member traversing the wireless charging coil to interconnect the first wireless communication coil and the second wireless communication coil,
wherein a width of a winding of the second wireless communication coil is less than a width of a winding of the first communication coil, and
wherein a width of a line of the coil connection member is less than a width of a winding of the first communication coil.
15. The wireless antenna according to claim 14 , wherein a number of windings of the second wireless communication coil is different from a number of windings of the first wireless communication coil.
16. The wireless antenna according to claim 15 , wherein the number of windings of the second wireless communication coil is less than the number of windings of the first wireless communication coil.
17. The wireless antenna according to claim 15 , wherein a number of windings of the wireless charging coil is greater than the number of windings of the first wireless communication coil.
18. The wireless antenna according to claim 15 , wherein the number of windings of the second wireless communication coil is one.
19. The wireless antenna according to claim 14 , wherein a minimum distance between the second wireless communication coil and the wireless charging coil is greater than a minimum distance between the first wireless communication coil and the wireless charging coil.