INSULATED TRANSMISSION MEDIUM AND INSULATED TRANSMISSION APPARATUS

• US 20150008767A1
• Filed: 03/30/2012
• Published: 01/08/2015
• Est. Priority Date: 03/30/2012
• Status: Abandoned Application

• Current Assignee: Hitachi, Ltd.
• Original Assignee: Hitachi, Ltd.
• Inventors: Shinoda, Hiroshi, Terada, Takahide, Hara, Kazunori
• Application Number:
  US14/381,674
• Publication Number:
  US 20150008767A1
• Time in Patent Office: Days
• US Class Current: 307/149
• CPC Class Codes: H01F 17/0013 with stacked layers
• CPC Class Codes: H01F 38/14 Inductive couplings for wireless supply or distribution of electric power using inductive coupling H02J50/10
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/70 involving the reduction of electric, magnetic or electromagnetic leakage fields
• CPC Class Codes: H02J 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices

Abstract

Provided is an insulated transmission medium which transmits electromagnetic energy between circuits having different reference potentials and has high insulation reliability. In order to realize the insulated transmission medium with a low loss, a small size, and a low cost, the insulated transmission medium according to the present invention is an insulated transmission medium which transmits the electromagnetic energy between a first circuit having a first reference potential and a second circuit having a second reference potential. The insulated transmission medium includes a first resonator and a second resonator connected to the first circuit and the second circuit, respectively, the first resonator and the second resonator are respectively configured as a first conductor group and a second conductor group using conductors in a dielectric material multilayer substrate including a plurality of dielectric material layers, and the first conductor group and the second conductor group are coated with the dielectric material and are isolated from each other.

Claims

1. An insulated transmission medium, comprising:

a dielectric material multilayer substrate which includes a plurality of dielectric material layers;

a first resonator which is provided on the substrate and has a first reference potential; and

a second resonator which is provided on the substrate, has a second reference potential different from the first reference potential, and is electrically insulated from the first resonator,

wherein electromagnetic energy is transmitted between the first resonator and the second resonator.

2. The insulated transmission medium according to claim 1, wherein

the first resonator includes a first main resonating unit and a first auxiliary resonating unit, and

the second resonator includes a second main resonating unit and a second auxiliary resonating unit.

3. The insulated transmission medium according to claim 2, wherein

the first resonator is provided on a first dielectric material layer,

the second resonator is provided on a second dielectric material layer of a layer lower than the first dielectric material layer, and

a third dielectric material layer is provided above the first dielectric material layer.

4. The insulated transmission medium according to claim 2, wherein at least one of the first resonator and the second resonator is provided over the plurality of dielectric material layers.

5. The insulated transmission medium according to claim 2, wherein the number of each of the first and second auxiliary resonating units is plural.

6. The insulated transmission medium according to claim 2, wherein the both of the first resonator and the second resonator are conductors.

7. The insulated transmission medium according to claim 3, wherein the first main resonating unit is bent several times.

8. The insulated transmission medium according to claim 3, further comprising:

a floating resonator which is insulated from the first resonator and the second resonator by the dielectric material layer,

wherein the electromagnetic energy is transmitted between the first resonator and the second resonator through the floating resonator.

9. The insulated transmission medium according to claim 7, wherein the first auxiliary resonating unit is provided at positions sandwiching the first main resonating unit.

10. The insulated transmission medium according to claim 9, wherein the number of each of the first and second resonators is plural.

11. The insulated transmission medium according to claim 1, wherein

the first resonator is a coil-shaped conductor pattern which is provided on a first layer of the multilayer substrate,

the second resonator is a coil-shaped conductor pattern which is provided on a second layer different from the first layer of the multilayer substrate,

a first bridge wiring line to connect a start point and an end point of the conductor pattern of the first resonator is provided on the second layer, and

a second bridge wiring line to connect a start point and an end point of the conductor pattern of the second resonator is provided on the first layer.

12. The insulated transmission medium according to claim 11, wherein

the first resonator and the second resonator are point-symmetric,

outer circumference of the first resonator and the second bridge wiring line are isolated from each other such that both sides are insulated from each other, and

outer circumference of the second resonator and the first bridge wiring line are isolated from each other such that both sides are insulated from each other.

13. An insulated transmission apparatus, comprising:

an insulated transmission medium having a dielectric material multilayer substrate which includes a plurality of dielectric material layers, a first resonator which is provided on the substrate and has a first reference potential, and a second resonator which is provided on the substrate, has a second reference potential different from the first reference potential, and is electrically insulated from the first resonator, the first resonator including a first main resonating unit and a first auxiliary resonating unit;

a first circuit which is electrically connected to the first resonator of the insulated transmission medium; and

a second circuit which is electrically connected to the second resonator of the insulated transmission medium,

wherein electromagnetic energy is transmitted between the first circuit and the second circuit through the insulated transmission medium.

14. The insulated transmission apparatus according to claim 13, wherein a plurality of signals are simultaneously transmitted between the first circuit and the second circuit.

15. The insulated transmission apparatus according to claim 13, wherein communication and power transmission are simultaneously performed between the first circuit and the second circuit.