IP Library › Granted Patent US 10,790,083
Granted Patent B2
US 10,790,083 · App. 16/163,244 · Granted Sep 29, 2020

Wireless charger having electromagnetic shielding function

Inventors: Jang Soon Han (Yongin-si, KR); Seong Jun Mun (Seoul, KR); Cheol-Seung Choi (Ansan-si, KR); Jung-Gun Byun (Suwon-si, KR); Deog-Soo Kang (Hwaseong-si, KR)
Assignees: HYUNDAI MOTOR COMPANY; KIA MOTORS CORPORATION
H01F27/362H01F27/2885H01F38/14H02J7/025H02J50/12H02J50/70
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Quick Facts
Patent No.
US 10,790,083
App. No.
16/163,244
Granted
Sep 29, 2020
Kind
B2
Abstract

A wireless charger has an electromagnetic shielding function to efficiently shield electromagnetic waves generated in a transmitting coil of the wireless charger. The wireless charger includes a transmitting coil generating a magnetic field by a high frequency signal. The wireless charger further includes at least two electromagnetic wave shielding filters located on the transmitting coil and shielding electromagnetic waves generated in the transmitting coil.

Claims (55)

1. A wireless charger having an electromagnetic shielding function, comprising:

a transmitting coil generating a magnetic field by a high frequency signal; and

at least two electromagnetic wave shielding filters located on the transmitting coil and shielding electromagnetic waves generated in the transmitting coil,

wherein when there are a first electromagnetic wave shielding filter and a second electromagnetic wave shielding filter, the first and second electromagnetic wave shielding filters have the same structure,

wherein the first electromagnetic wave shielding filter is located on a left side of the transmitting coil, and

wherein the second electromagnetic wave shielding filter is located on a right side of the transmitting coil.

2. A wireless charger having an electromagnetic shielding function, comprising:

a transmitting coil generating a magnetic field by a high frequency signal; and

at least two electromagnetic wave shielding filters located on the transmitting coil and shielding electromagnetic waves generated in the transmitting coil,

wherein when there are a first electromagnetic wave shielding filter and a second electromagnetic wave shielding filter, the first and second electromagnetic wave shielding filters have the same structure,

wherein the first electromagnetic wave shielding filter is located on an upper end of the transmitting coil, and

wherein the second electromagnetic wave shielding filter is located on a lower end of the transmitting coil.

3. A wireless charger having an electromagnetic shielding function, comprising:

a transmitting coil generating a magnetic field by a high frequency signal; and

at least two electromagnetic wave shielding filters located on the transmitting coil and shielding electromagnetic waves generated in the transmitting coil,

wherein when there are a first electromagnetic wave shielding filter, a second electromagnetic wave shielding filter, a third electromagnetic wave shielding filter, and a fourth electromagnetic wave shielding filter, the first, second, third, and fourth electromagnetic wave shielding filters have the same structure,

wherein the first electromagnetic wave shielding filter is located on an upper left side of the transmitting coil,

wherein the second electromagnetic wave shielding filter is located on an upper right side of the transmitting coil,

wherein the third electromagnetic wave shielding filter is located on a lower left side of the transmitting coil, and

wherein the fourth electromagnetic wave shielding filter is located on a lower right side of the transmitting coil.

4. A wireless charger having an electromagnetic shielding function, comprising:

a transmitting coil generating a magnetic field by a high frequency signal; and

at least two electromagnetic wave shielding filters located on the transmitting coil and shielding electromagnetic waves generated in the transmitting coil,

wherein when there are a first electromagnetic wave shielding filter, a second electromagnetic wave shielding filter, a third electromagnetic wave shielding filter, and a fourth electromagnetic wave shielding filter, the first, second, third, and fourth electromagnetic wave shielding filters have the same structure,

wherein the first electromagnetic wave shielding filter is located on an upper end of the transmitting coil,

wherein the second electromagnetic wave shielding filter is located on a left side of the transmitting coil,

wherein the third electromagnetic wave shielding filter is located on a right side of the transmitting coil, and

wherein the fourth electromagnetic wave shielding filter is located on a lower end of the transmitting coil.

5. A wireless charger having an electromagnetic shielding function, comprising:

a transmitting coil generating a magnetic field by a high frequency signal; and

at least two electromagnetic wave shielding filters located on the transmitting coil and shielding electromagnetic waves generated in the transmitting coil,

wherein the transmitting coil comprises a first transmitting coil, a second transmitting coil, and a third transmitting coil,

wherein when there are a first electromagnetic wave shielding filter, a second electromagnetic wave shielding filter, a third electromagnetic wave shielding filter, a fourth electromagnetic wave shielding filter, a fifth electromagnetic wave shielding filter, and a sixth electromagnetic wave shielding filter, the first, second, fifth, and sixth electromagnetic wave shielding filters have the same structure, and the third and fourth electromagnetic wave shielding filters have the same structure,

wherein the first electromagnetic wave shielding filter is located on an upper left side of the first transmitting coil,

wherein the second electromagnetic wave shielding filter is located on an upper right side of the first transmitting coil,

wherein the third electromagnetic wave shielding filter is located on an upper end of the third transmitting coil,

wherein the fourth electromagnetic wave shielding filter is located on a lower end of the third transmitting coil,

wherein the fifth electromagnetic wave shielding filter is located on a lower left side of the second transmitting coil,

wherein the sixth electromagnetic wave shielding filter is located on a lower right side of the second transmitting coil,

wherein a center point of the first electromagnetic wave shielding filter, a center point of the second electromagnetic wave shielding filter, and a center point of the third electromagnetic wave shielding filter are located on the first transmitting coil, and

wherein a center point of the fourth electromagnetic wave shielding filter, a center point of the fifth electromagnetic wave shielding filter, and a center point of the sixth electromagnetic wave shielding filter are located on the second transmitting coil.

6. A wireless charger having an electromagnetic shielding function, comprising:

a transmitting coil generating a magnetic field by a high frequency signal; and

at least two electromagnetic wave shielding filters located on the transmitting coil and shielding electromagnetic waves generated in the transmitting coil,

wherein the transmitting coil comprises a first transmitting coil, a second transmitting coil, and a third transmitting coil,

wherein when there are a first electromagnetic wave shielding filter, a second electromagnetic wave shielding filter, a third electromagnetic wave shielding filter, a fourth electromagnetic wave shielding filter, a fifth electromagnetic wave shielding filter, and a sixth electromagnetic wave shielding filter, the first and sixth electromagnetic wave shielding filters have the same structure, and the second, third, fourth, and fifth electromagnetic wave shielding filters have the same structure,

wherein the first electromagnetic wave shielding filter is located on an upper end of the first transmitting coil,

wherein the second electromagnetic wave shielding filter is located on an upper left side of the third transmitting coil,

wherein the third electromagnetic wave shielding filter is located on an upper right side of the third transmitting coil,

wherein the fourth electromagnetic wave shielding filter is located on a lower left side of the third transmitting coil,

wherein the fifth electromagnetic wave shielding filter is located on a lower right side of the third transmitting coil,

wherein the sixth electromagnetic wave shielding filter is located on a lower end of the second transmitting coil,

wherein a center point of the first electromagnetic wave shielding filter is located on the first transmitting coil,

wherein a center point of the second electromagnetic wave shielding filter, a center point of the third electromagnetic wave shielding filter, a center point of the fourth electromagnetic wave shielding filter, and a center point of the fifth electromagnetic wave shielding filter are located on the third transmitting coil, and

wherein a center point of the sixth electromagnetic wave shielding filter is located on the second transmitting coil.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 18, 2018
From: HAN, JANG SOON; MUN, SEONG JUN; CHOI, CHEOL-SEUNG; BYUN, JUNG-GUN; KANG, DEOG-SOO
To: HYUNDAI MOTOR COMPANY; KIA MOTORS CORPORATION
Reel/Frame 047215/0853 →
Priority Claims (1)
KR 10-2018-0070946 · Jun 20, 2018 · national
Continuity (1)
Related Publication 20190392984A1 · Dec 26, 2019
Cited By (1)
US 12,606,035