1. A method of connecting a terminal with a wire comprising the steps of:
inserting a core of the wire into a tubular wire connecting portion of the terminal; and
crimping the wire connecting portion in a radial direction of the wire so that the wire connecting portion is compressed in the radial direction and uniformly over a whole circumference of the wire,
wherein, a protrusion is formed on an outer periphery of the wire connecting portion, and
during circumferential crimping of the wire connecting portion, the protrusion is projected from an inner periphery of the wire connecting portion to bite the core.
2. The method according to claim 1, wherein the wire connecting portion is compressed by dies in the radial direction over the whole circumference while rotating the dies by using a rotary swaging machine.
3. The method according to claim 1, wherein the protrusion is formed to have a rectangular section shape.
4. The method according to claim 1, wherein a width of the protrusion is set to one fifth of a length of the wire connecting portion.
5. The method according to claim 1, wherein a thickness of the protrusion is set to be equal to or smaller than a thickness of a peripheral wall of the wire connecting portion.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A contactless power supply apparatus that emits AC power using magnetic field resonance, comprising:
an AC power supply to generate an AC current;
at least one circuit to generate a magnetic field from the AC current generated by the AC power supply;
a charging surface to charge at least one device in physical proximity thereto using magnetic field resonance according to the magnetic field generated by the at least one circuit; and
a plurality of predetermined shapes concentrically arranged on the charging surface to indicate a charging priority relative to a center of the charging surface according to a magnetic field strength of the magnetic field.
2. The contactless power supply apparatus according to claim 1, wherein an innermost predetermined shape of the plurality of predetermined shapes indicates a highest charging priority.
3. The contactless power supply apparatus according to claim 1, wherein an outermost predetermined shape of the plurality of shapes indicates a highest charging priority.
4. The contactless power supply apparatus according to claim 1, wherein the predetermined shapes are a same shape.
5. The contactless power supply apparatus according to claim 3, wherein the predetermined shapes are one of circles and squares.
6. The contactless power supply according to claim 1, wherein the plurality of predetermined shapes include a plurality of color regions concentrically arranged on the charging surface.
7. The contactless power supply according to claim 6, wherein an innermost color region indicates a highest charging priority.
8. The contactless power supply according to claim 6, wherein an outermost color region indicates a highest charging priority.
9. The contactless power supply according to claim 1, wherein the plurality of predetermined shapes include vertically offset regions arranged on the charging surface, the charging priority being indicated based on a vertical offset of the vertically offset regions.
10. The contactless power supply according to claim 1, wherein the plurality of predetermined shapes include at least a first region of the charging surface formed of a first material and a second region of the charging surface formed of a second material, the charging priority being indicated based on a region material.
11. The contactless power supply according to claim 1, wherein the at least one circuit includes
a resonance element to output the magnetic field corresponding to an induced AC current induced therein; and
an excitation element coupled to the resonance element by electromagnetic induction, the excitation element inducing the induced AC current in the resonance element based on the AC current generated by the AC power supply.
12. A contactless power supply apparatus that emits AC power using magnetic field resonance, comprising:
means for generating an AC current;
means for generating a magnetic field based on the AC current;
means for charging at least one device using magnetic field resonance according to the generated magnetic field; and
means for concentrically indicating a charging priority relative to the means for charging according to a magnetic field strength of the magnetic field.
13. The contactless power supply according to claim 12, wherein the means for indicating includes means for indicating the charging priority based on color.
14. The contactless power supply according to claim 12, wherein the means for indicating includes means for indicating the charging priority on a display of the at least one device.
15. The contactless power supply according to claim 12, wherein the means for indicating includes means for indicating the charging priority based on a material.
16. The contactless power supply according to claim 12, wherein the means for indicating includes means for indicating the charging priority based on vertical offset.
17. A charging system that charges by magnetic field resonance, comprising:
a contactless power supply including
an AC power supply to generate an AC current,
a circuit to generate a magnetic field based on the AC current, and
a charging surface to charge at least one device in physical proximity thereto using magnetic field resonance according to the magnetic field; and
a device to be charged including
at least one indicator, displayed on a display of the device, to concentrically indicate a charging priority relative to a center of the charging surface according to a magnetic field strength of the magnetic field generated by the circuit.