We claim as our invention:
1. An electrical conductor arrangement for a magnetic resonance apparatus, comprising:
a plurality of conductor meshes forming a conductor arrangement;
said conductor meshes being arranged in a plurality of respective areas having respective limiting lines defined by a network structure; and
a plurality of control devices respectively electrically connected in said conductor meshes for controlling respective currents within said conductor arrangement.
2. An electrical conductor arrangement as claimed in claim 1, wherein said conductor meshes are electrically insulated from one another.
3. An electrical conductor arrangement as claimed in claim 1, wherein at least one of said conductor meshes has a shape corresponding to the limiting line of the area in which said at least one of said conductor meshes in arranged.
4. An electrical conductor arrangement as claimed in claim 1, wherein said conductor meshes proceed according to said limiting lines of said respective areas, with conductor meshes which adjoin each other along a common limiting line having a shared conductor path.
5. An electrical conductor arrangement as claimed in claim 1 wherein said areas the a total area of said network structure without gaps.
6. An electrical conductor arrangement as claimed in claim 1 wherein all of said plurality of areas have identical geometrical shapes.
7. An electrical conductor arrangement as claimed in claim 1 wherein at least one of said areas has a shape selected from the group consisting of triangular, rectangular and hexagonal.
8. An electrical conductor arrangement as claimed in claim I wherein said network structure is disposed on a surface of a three-dimensional body.
9. An electrical conductor arrangement as claimed in claim 1 wherein said network structure surrounds a cylindrical surface.
10. An electrical conductor arrangement as claimed in claim 9 further comprising a plurality of conductor paths which are free of said control devices, said conductor paths proceeding in a longitudinal direction of said cylinder.
11. An electrical conductor arrangement as claimed in claim 9 comprising a conductor path free of said control devices disposed in a circumferential direction of said cylinder.
12. An electrical conductor arrangement as claimed in claim 11 wherein said conductor path is disposed in a middle of said cylinder.
13. An electrical conductor arrangement as claimed in claim 12 wherein said meshes include a first set of conductor paths respectively containing said control devices and a second set of conductor paths respectively containing said control devices, said first and second sets of conductor paths being disposed in said circumferential direction at respective opposite sides of said conductor path in said middle of said cylinder.
14. An electrical conductor arrangement as claimed in claim 11 further comprising an electrically insulatable device connected in said conductor path that is free of said control devices.
15. An electrical conductor arrangement as claimed in claim 1 wherein each of said conductor meshes contains one of said control devices therein.
16. An electrical conductor arrangement as claimed in claim 1 wherein at least one of said control devices is a controllable current source.
17. An electrical conductor arrangement as claimed in claim 16 wherein said controllable current source contains a plurality of components with at least some of components arranged within said network structure.
18. An electrical conductor arrangement as claimed in claim 16 wherein said current source is connected outside of said network structure.
19. An electrical conductor arrangement as claimed in claim 16 wherein said current source is a bipolar current source.
20. An electrical conductor arrangement as claimed in claim 16 wherein said current source is a pulse width modulated current source.
21. An electrical conductor arrangement as claimed in claim 1 wherein said control device is a switch.
22. An electrical conductor arrangement as claimed in claim 21 wherein said switch is disposed at a node of two of said conductor meshes.
23. An electrical conductor arrangement as claimed in claim 21 wherein said switch comprises at least one power semiconductor component selected from the group consisting of MOSFETs and IGBTs.
24. An electrical conductor arrangement as claimed in claim 1 wherein said conductor arrangement comprises a voltage distribution network operable at a high frequency a.c. voltage.
25. An electrical conductor arrangement as claimed in claim 24 further comprising a potential-separating voltage transformer connecting said control devices to said voltage distribution network, said potential-separating voltage transformer generating a d.c. voltage from said high frequency a.c. voltage, said potential-separating voltage transformer comprising coupling capacitors and at least one bridge rectifier.
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. An submarine cable system for suspending a submersible cable above a seafloor comprising:
a submersible cable having a length, a first end and a second end;
a plurality of buoys configured to attach to the submersible cable;
a plurality of tethers, each having a length, a first end and a second end and wherein the first end of each tether is in contact with a buoy; and
a plurality of anchors, wherein each anchor is in contact with the second end of a tether thereby suspending the submersible cable above the surface of the seafloor when the cable is submerged.
2. The submarine cable system of claim 1, wherein the plurality of buoys are spaced along the length of the submersible cable.
3. The submarine cable system of claim 1, wherein each of the plurality of tethers are adjustable in length.
4. The submarine cable system of claim 1, wherein adjusting the length of each tether is done remotely.
5. The submarine cable system of claim 1, wherein the first end of the submersible cable is attached to a vessel.
6. The submarine cable system of claim 1, wherein the first end of the submersible cable is attached to a generator.
7. The submarine cable system of claim 1, wherein the first end of the submersible cable is attached to land.
8. A buoy system for suspending a submersible cable above a seafloor comprising,
a buoy configured to attach to a submersible cable;
a tether, having a length, a first end and a second end and wherein the first end of the tether is connected to the buoy; and
an anchor, wherein the anchor is connected to the second end of the tether.
9. The buoy system for suspending a submersible cable of claim 8, wherein the length of the tether is adjustable.
10. The buoy system for suspending a submersible cable of claim 8, wherein adjusting the length of the tether is done remotely.
11. A method for suspending a submersible cable above a seafloor comprising
providing a submersible cable having a length, a first end and a second end;
providing a plurality of buoys configured to attach to the submersible cable;
providing a plurality of tethers, wherein each tether has a length, a first end and a second end, and wherein the first end of each tether is in contact with one of the plurality of buoys;
providing a plurality of anchors, wherein each anchor is in contact with the second end of one of the plurality of tethers; and
adjusting the length of each of the plurality of tethers to suspend the submersible cable above the surface of the seafloor when the cable is submerged.
12. The method of suspending a submersible cable of claim 11, wherein adjusting the length of a tether is done remotely.
13. The method of suspending a submersible cable of claim 11, wherein the first end of the submersible cable is attached to a vessel.
14. The method of suspending a submersible cable of claim 11, wherein the first end of the submersible cable is attached to a generator.
15. The method of suspending a submersible cable of claim 11, wherein the first end of the submersible cable is attached to land.