阅读说明：本技术 磁耦合器以及通信系统 (Magnetic coupler and communication system ) 是由 池内克之 于 2019-02-02 设计创作，主要内容包括：实施方式涉及磁耦合器以及通信系统。实施方式的磁耦合器具有第1线圈图案和第2线圈图案。第1线圈图案具有沿第1方向流动电流的第1部分、以及沿与第1方向相反朝向的第2方向流动电流的第2部分。第2线圈图案具有在与第1方向正交的第3方向上与第1部分邻接的第3部分、以及在第3方向上与第2部分邻接而在第1方向上与第3部分连续设置的第4部分。(Embodiments relate to a magnetic coupler and a communication system. The magnetic coupler of the embodiment has a 1 st coil pattern and a 2 nd coil pattern. The 1 st coil pattern has a 1 st portion in which a current flows in a 1 st direction, and a 2 nd portion in which a current flows in a 2 nd direction opposite to the 1 st direction. The 2 nd coil pattern has a 3 rd portion adjoining the 1 st portion in a 3 rd direction orthogonal to the 1 st direction, and a 4 th portion adjoining the 2 nd portion in the 3 rd direction and disposed continuously from the 3 rd portion in the 1 st direction.)

1. A magnetic coupler has a 1 st coil pattern and a 2 nd coil pattern,

the 1 st coil pattern has a 1 st portion flowing a current in a 1 st direction and a 2 nd portion flowing a current in a 2 nd direction opposite to the 1 st direction,

the 2 nd coil pattern has a 3 rd portion adjoining the 1 st portion in a 3 rd direction orthogonal to the 1 st direction, and a 4 th portion adjoining the 2 nd portion in the 3 rd direction and disposed continuously from the 3 rd portion in the 1 st direction.

2. A magnetic coupler according to claim 1,

the 1 st coil pattern and the 2 nd coil pattern are not magnetically coupled.

3. A magnetic coupler according to claim 2,

the 1 st coil pattern and the 2 nd coil pattern are patterns capable of canceling induced currents from each other.

4. A magnetic coupler according to claim 1,

the 1 st coil pattern has the same shape as the 2 nd coil pattern.

5. A magnetic coupler according to claim 1,

the 1 st coil pattern has a size in the 1 st direction larger than a size in the 3 rd direction, and the 2 nd coil pattern has a size in the 1 st direction smaller than a size in the 3 rd direction.

6. A magnetic coupler according to claim 1,

the magnetic coupler also has a 3 rd coil pattern,

the 2 nd coil pattern is disposed between the 1 st coil pattern and the 3 rd coil pattern in the 3 rd direction.

7. A magnetic coupler according to claim 6,

the 3 rd coil pattern and the 2 nd coil pattern are not magnetically coupled.

8. A magnetic coupler according to claim 7,

the 3 rd coil pattern and the 2 nd coil pattern are patterns capable of canceling induced currents from each other.

9. A magnetic coupler according to claim 6,

the 1 st coil pattern has the same shape as the 3 rd coil pattern.

10. A magnetic coupler according to claim 6,

the 3 rd coil pattern has a size in the 1 st direction larger than a size in the 3 rd direction.

11. A magnetic coupler according to claim 1,

the 1 st coil pattern and the 2 nd coil pattern are disposed along a 1 st plane including the 1 st direction and the 3 rd direction.

12. A magnetic coupler according to claim 11,

the magnetic coupler further has a 4 th coil pattern, the 4 th coil pattern being opposed to the 1 st coil pattern and magnetically coupled,

the 4 th coil pattern is disposed along a 2 nd plane separated in a direction facing the 1 st plane.

13. A magnetic coupler according to claim 12,

the magnetic coupler also has a 5 th coil pattern and a 6 th coil pattern,

the 5 th coil pattern is arranged along a 3 rd plane separated from the 1 st plane in a direction along the 1 st plane without magnetically coupling with the 4 th coil pattern,

the 6 th coil pattern is adjacent to the 5 th coil pattern, is arranged along the 3 rd plane, and is not magnetically coupled to the 5 th coil pattern.

14. A magnetic coupler according to claim 13,

the magnetic coupler also has a 1 st line and a 2 nd line,

the 1 st line electrically connects the 1 st coil pattern and the 6 th coil pattern,

the 2 nd line crosses the 1 st line when viewed from a direction perpendicular to the 1 st plane, and electrically connects the 2 nd coil pattern and the 5 th coil pattern.

15. A communication system is provided with:

a transmission circuit;

a receiving circuit; and

the magnetic coupler according to any one of claims 1 to 14, disposed between the transmission circuit and the reception circuit.

16. A magnetic coupler has a 1 st coil pattern and a 2 nd coil pattern,

the 1 st coil pattern is arranged in the 1 st direction along the 1 st plane,

the 2 nd coil pattern has the same shape as the 1 st coil pattern, is arranged along the 1 st plane, is adjacent to the 1 st coil pattern, and is arranged in the 2 nd direction orthogonal to the 1 st direction,

the 1 st coil pattern and the 2 nd coil pattern have coils that are arranged to face each other and magnetically coupled to each other.

Technical Field

Background

A magnetic coupler including a plurality of pairs of coils can transmit a plurality of signals from the 1 st-order side to the 2 nd-order side using the plurality of pairs of coils. At this time, it is desirable to appropriately transmit a plurality of signals.

Disclosure of Invention

Drawings

Fig. 1 is a diagram showing a circuit configuration of a communication system including a magnetic coupler of the embodiment.

Fig. 2 is a diagram showing a mounting structure of a magnetic coupler according to an embodiment.

Fig. 3 is a diagram showing a planar structure of a plurality of coil patterns of the embodiment.

Fig. 4 is a diagram illustrating a mounting structure of a bonding wire in the embodiment.

Fig. 5 is a diagram showing a circuit configuration of a communication system including a magnetic coupler according to a modification of the embodiment.

Fig. 6 is a diagram showing a mounting structure of a magnetic coupler according to a modification of the embodiment.

Fig. 7 is a diagram showing a planar structure of a magnetic coupler according to a modification of the embodiment.

Fig. 8 is a diagram illustrating a mounting structure of a bonding wire in the embodiment.

Embodiments relate to a magnetic coupler and a communication system.