1. An electronic component comprising:
a plurality of transmission inductors formed over a substrate and arranged in such a way that respective centers of the plurality of transmission inductors are deviated from each other when viewed in a plan view;
a signal input channel for inputting a transmission signal to each of the plurality of transmission inductors;
a phase difference control section provided in the signal input channel for controlling a phase difference of the transmission signal between the plurality of transmission inductors, said phase difference being smaller than 180\xb0; and
at least one wiring layer formed over the substrate,
wherein the plurality of transmission inductors are formed within the same wiring layer.
2. The electronic component according to claim 1, further comprising:
an input terminal to which the transmission signal is inputted.
3. The electronic component according to claim 1, further comprising:
a transmission signal generation part which generates the transmission signal.
4. An electronic component comprising:
a plurality of transmission inductors formed over a substrate and arranged in such a way that respective centers of the plurality of transmission inductors are deviated from each other when viewed in a plan view;
a signal input channel for inputting a transmission signal to each of the plurality of transmission inductors;
a phase difference control section provided in the signal input channel for controlling a phase difference of the transmission signal between the plurality of transmission inductors, said phase difference being smaller than 180\xb0; and
a plurality of wiring layers formed over the substrate,
wherein at least one of the plurality of transmission inductors is formed in a first one of the plurality of wiring layers different from a second one of the plurality of wiring layers in which the other transmission inductor is formed.
5. An electronic component comprising:
a plurality of transmission inductors formed over a substrate and arranged in such a way that respective centers of the plurality of transmission inductors are deviated from each other when viewed in a plan view;
a signal input channel for inputting a transmission signal to each of the plurality of transmission inductors;
a phase difference control section provided in the signal input channel for controlling a phase difference of the transmission signal between the plurality of transmission inductors, said phase difference being smaller than 180\xb0;
a reception inductor arranged at a position opposite to the plurality of transmission inductors; and
a signal detection part which detects a strength of an induced current produced in the reception inductor, the signal detection part being coupled to the reception inductor,
wherein the phase difference control section controls the phase difference on the basis of the strength detected by the signal detection part.
6. The electronic component according to claim 5,
wherein the plurality of transmission inductors overlap the reception inductor at least partially when viewed in a plan view.
7. The electronic component according to claim 5,
wherein the phase difference control section controls the phase difference to make the strength detected by the signal detection part maximum.
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 cabinet comprising:
a conductive housing having an aperture with a folded edge folded approximately 180 degrees, an additional device being fitted into the aperture by insertion, the conductive housing containing an electronic device, the additional device operating in parallel with the electronic device; and
a reinforcing member supported with a portion of an inner wall of said housing, the reinforcing member disposed on a boundary between two areas inside said housing, said electronic device and said additional device being placed in said two areas, respectively, the portion of the inner wall being more inside than the folded edge of said aperture.
2. A cabinet comprising:
a conductive housing having an aperture with a folded edge folded approximately 180 degrees, a plurality of additional devices being fitted together into the aperture by insertion, the conductive housing containing an electronic device, the plurality of additional devices operating in parallel with the electronic device; and
a reinforcing member supported with a portion of an inner wall of said housing, the reinforcing member disposed on a boundary between two areas inside said housing, said electronic device and all of said additional devices being placed in said two areas, respectively, the portion of the inner wall being more inside than the folded edge of said aperture.
3. The cabinet according to claim 2, further comprising a partitioning member partitioning said aperture into areas into which said plurality of additional devices are fitted by insertion, respectively, said partitioning member being a bypass for forced air cooling of said electronic device among the areas, wherein each of said plurality of additional devices includes a fan used for forced air cooling of said electronic device.
4. The cabinet according to claim 2, further comprising:
a partitioning member partitioning said aperture into areas into which said plurality of additional devices are fitted by insertion, said partitioning member being a bypass for forced air cooling of said electronic device among the areas; and
a control unit maintaining efficiency of the forced air cooling within a prescribed range by one of increasing and decreasing rotation speed of fans provided in the plurality of additional devices, the one of increasing and decreasing rotation speed depending on one of a number of the fans and operational conditions of the fans.
5. The cabinet according to claim 1, wherein
said housing includes a covering member having an edge being all or part of the folded edge of said aperture, said covering member being used for openingclosing the two areas and detachably supporting said reinforcing member.
6. The cabinet according to claim 2, wherein
said housing includes a covering member having an edge being all or part of the folded edge of said aperture, said covering member being used for openingclosing the two areas and detachably supporting said reinforcing member.
7. The cabinet according to claim 5, wherein:
said reinforcing member adjacent to said covering member has a specific edge which is shaped to be in parallel with the covering member; and
said covering member has a member to support the specific edge of said reinforcing member by pinching.
8. The cabinet according to claim 6, wherein:
said reinforcing member adjacent to said covering member has a specific edge which is shaped to be in parallel with the covering member; and
said covering member has a member to support the specific edge of said reinforcing member by pinching.
9. The cabinet according to claim 1, wherein
said reinforcing member has an opening for heat release from said electronic device to said aperture and for suppressing radiation of electromagnetic interference generated in the electronic device to the aperture.
10. The cabinet according to claim 2, wherein
said reinforcing member has an opening for heat release from said electronic device to said aperture and for suppressing radiation of electromagnetic interference generated in the electronic device to the aperture.
11. An additional device comprising:
a circuit operating in parallel with an electronic device contained in a first conductive cabinet having a first aperture with a folded edge; and
a second conductive cabinet having a second aperture to be fitted into the first aperture by insertion, and containing said circuit.
12. The additional device according to claim 11, wherein
said circuit supplies power to said electronic device.
13. The additional device according to claim 12, further comprising
a fan used for forced air cooling of said electronic device via the second aperture.
14. The additional device according to claim 13, wherein
said second conductive cabinet has a third aperture to serve as a bypass for ventilation in a process of said forced air cooling, the third aperture being provided between the additional device and another additional device disposed adjacent to the additional device.
15. The additional device according to claim 13, further comprising
a control unit maintaining efficiency of the forced air cooling within a prescribed range by one of increasing and decreasing rotation speed of fans according to operational conditions of the fans, said fans being fitted together into the first aperture of said first cabinet by insertion and provided in a specific additional device and another additional device.