Coil module
A coil module including a magnetic body having a first body portion extended in a first axial direction and a second body portion extended in a second axial direction different from the first axial direction; and a transmitting coil including a first coil wound around a portion of the first body portion and a second coil wound around a portion of the second body portion.
1. A coil module, comprising:
a magnetic body comprising a first body portion extending in a first axial direction and a second body portion extending in a second axial direction different from the first axial direction; and
a transmitting coil structure comprising,
a first coil wound around a portion of the first body portion, and
a second coil wound around a portion of the second body portion,
wherein the first body portion and the second body portion have different lengths, and
a first winding angle of the first coil with respect to the first axial direction is different from a second winding angle of the second coil with respect to the second axial direction.
2. The coil module of claim 1 , wherein the first coil is connected to the second coil in parallel, and
the first coil is operated together with the second coil.
3. The coil module of claim 1 , wherein the first body portion is separated from and spaced apart from the second body portion.
4. The coil module of claim 1 , wherein a difference between the first axial direction and the second axial direction is a first angle,
a difference between the first winding angle of the first coil with respect to the first axial direction and the second winding angle of the second coil with respect to the second axial direction is a second angle, and
the first angle and the second angle are different from each other.
5. The coil module of claim 1 , wherein the transmitting coil structure further comprises:
a third coil wound around at least a portion of the second body portion; and
the second winding angle of the second coil with respect to the second axial direction and a third winding angle of the third coil with respect to the second axial direction being different from each other.
6. The coil module of claim 1 , wherein the magnetic body further comprises:
a third body portion extending in a third axial direction different from either one or both of the first axial direction and the second axial direction; and
the transmitting coil structure further comprises a third coil wound around a portion of the third body portion.
7. The coil module of claim 1 , wherein the magnetic body further comprises:
a third body portion extending in the first axial direction; and
the transmitting coil structure further comprises a third coil wound around a portion of the third body portion.
8. A coil module, comprising:
a magnetic body comprising a first body portion and a second body portion, the first body portion extending in a first axial direction and having a symmetrical polygonal shape, and the second body portion extending in a second axial direction and having an asymmetrical polygonal shape; and
a transmitting coil structure including a first coil wound around at least a portion of the first body portion and a second coil wound around at least a portion of the second body portion,
wherein the first body portion and the second body portion have different lengths, and
a first winding angle of the first coil with respect to the first axial direction is different from a second winding angle of the second coil with respect to the second axial direction.
9. The coil module of claim 8 , wherein the magnetic body further comprises:
a third body portion formed at one side of the second body portion and having the symmetrical polygonal shape,
wherein the transmitting coil structure further comprises a third coil wound around a portion of the third body portion.
10. A coil module, comprising:
a magnetic body comprising a first body part extending in a first axial direction and a second body part extending in a second axial direction different from the first axial direction; and
a transmitting coil structure comprising a first coil wound around the first body part of the magnetic body and a second coil wound around the second body part of the magnetic body,
wherein the first coil is wound at a first angle with respect to the first axial direction,
the second coil is wound at a second angle with respect to the second axial direction, the second angle being different from the first angle, and
the first body part and the second body part have different lengths.
11. The coil module of claim 10 , wherein
the magnetic body further comprises a third body part extending in a third axial direction, and
the transmitting coil structure further comprises a third coil wound around the third body part of the magnetic body at a third angle with respect to the third axial direction, the third angle different from the second angle.
12. The coil module of claim 10 , wherein the first coil and the second coil are spaced apart from each other.
13. The coil module of claim 10 , wherein
the first body part has a symmetrical polygonal shape, and
the second body part has an asymmetrical polygonal shape.
14. An information transmitter for transmitting data to magnetic card reader in a non-contact type, comprising:
a coil module comprising a magnetic body and a transmitting coil structure wound around the magnetic body; and
a wireless communications unit configured to control the coil module to transmit the data to the magnetic card reader,
wherein the magnetic body comprises a first body part extending in a first axial direction and a second body part extending in a second axial direction different from the first axial direction,
the first body part and the second body part have different lengths, and
the transmitting coil structure comprises a first coil wound at a first angle with respect to the first axial direction and a second coil wound at a second angle with respect to the first axial direction, the second angle being different to the first angle.