Author: claimsbot

1. A wireless power transmission system comprising:
a power transmitting device including a power transmitting coil; and
a power receiving device including a power receiving coil,
wherein using magnetic field coupling between the power transmitting coil and the power receiving coil, electric power is wirelessly transmitted from the power transmitting device to the power receiving device,
wherein the power transmitting device includes a power transmitting circuit configured to generate an electric signal used for transmitting electric power, a first power transmitting coil compatible with a first transmission method, a second power transmitting coil compatible with a second transmission method, a first magnetic substance on which the first power transmitting coil is placed, a second magnetic substance on which the second power transmitting coil is placed, and a power feeding surface on which the power receiving device is to be placed,
and wherein the first magnetic substance includes a first attachment surface on which the first power transmitting coil is placed, the second magnetic substance includes a second attachment surface on which the second power transmitting coil is placed, and the first attachment surface and the second attachment surface are located on a lower side of the power feeding surface and arranged on a same plane surface parallel to the power feeding surface.
2. The wireless power transmission system according to claim 1, wherein the first power transmitting coil is a coil compatible with an electromagnetic induction method, and
the second power transmitting coil is a coil compatible with a magnetic resonance method.
3. The wireless power transmission system according to claim 2, wherein a coil diameter of the second power transmitting coil is larger than a coil diameter of the first power transmitting coil, and the second power transmitting coil is arranged so as to surround the first power transmitting coil when viewed from above.
4. The wireless power transmission system according to claim 3, wherein the first attachment surface and the second attachment surface are ring-shaped surfaces each including a predetermined width, the second attachment surface is arranged so as to surround the first attachment surface when viewed from above, the first power transmitting coil is arranged so as to occupy a substantially intermediate position between an inner circumference and an outer circumference of the first attachment surface, and the second power transmitting coil is arranged so as to occupy a substantially intermediate position between an inner circumference and an outer circumference of the second attachment surface.
5. A wireless power transmission system comprising:
a power transmitting device including a power transmitting coil; and
a power receiving device including a power receiving coil, wherein using magnetic field coupling between the power transmitting coil and the power receiving coil, electric power is wirelessly transmitted from the power transmitting device to the power receiving device,
wherein the power receiving device includes a first power receiving coil compatible with a first transmission method, a second power receiving coil compatible with a second transmission method, a power receiving circuit to which the first power receiving coil and the second power receiving coil are connected, a third magnetic substance placed on the first power receiving coil, a fourth magnetic substance placed on the second power receiving coil, and a power receiving surface to be placed on the power transmitting device,
and wherein the third magnetic substance includes a third attachment surface in contact with the first power receiving coil, the fourth magnetic substance includes a fourth attachment surface in contact with the second power receiving coil, and the third attachment surface and the fourth attachment surface are located on an upper side of the power receiving surface and arranged on a same plane surface parallel to the power receiving surface.

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 optical amplifier, comprising:
a demultiplexer which separates a broadband optical signal into a plurality of banded optical signals;
a plurality of ports, each of which is adapted to output a selected one of said plurality of banded optical signals; and
an amplifier section coupled to one of said plurality of ports.
2. An optical amplifier as recited in claim 1, wherein said amplifier section includes a dispersion compensator.
3. An optical amplifier as recited in claim 2, wherein said dispersion compensator is a reflective optical grating.
4. An optical amplifier as recited in claim 3, wherein said reflective optical grating is a Bragg grating.
5. An optical amplifier as recited in claim 1, wherein said amplifier section does not include a gain-flattening device.
6. An optical amplifier as recited in claim 1, wherein each of said banded optical signals has a finite wavelength range that is a segment of a wavelength range of said broadband optical signal.
7. An optical amplifier as recited in claim 6, wherein said amplifier section includes a gain medium chosen to provide substantially flat gain across said finite wavelength range.
8. An optical amplifier as recited in claim 1, wherein at least one other amplifier section is coupled to a another of said ports.
9. An optical amplifier as recited in claim 1, wherein an amplified output signal is output from the optical amplifier substantially free of gain tilt and gain ripple.
10. An optical amplifier as recited in claim 1, wherein at least two of said ports are coupled to a ribboned optical fiber, which has a plurality of gain fibers, each of which is chosen to provide substantially flat gain across a wavelength range of a respective one of said plurality of banded optical signals.
11. An optical amplifier as recited in claim 1, further comprising a plurality of amplifier sections, each of which is coupled to a respective one of said ports.
12. An optical amplifier as recited in claim 11, wherein each of said plurality of amplifiers sections has a gain medium chosen to provide a substantially flat gain across a wavelength range of a respective one of said plurality of banded optical signals.
13. An optical amplifier as recited in claim 1, wherein said broadband optical signal includes n optical channels, and said plurality of optical ports equals m, where n and m are integers.
14. An optical amplifier as recited in claim 13, wherein said plurality of banded optical signals equals nm.
15. An optical amplifier as recited in claim 1, wherein each of said plurality of banded optical signals includes at least two channels having a channel spacing chosen from the group consisting essentially of: 12.5 GHz, 25 GHz, 50 GHz, 100 GHz, 200 GHz and 400 GHz.
15. An optical amplifier as recited in claim 14, where n40 and m4.
16. An optical amplifier as recited in claim 13, wherein said plurality of banded optical signals does not equal nm.
17. An optical amplifier as recited in claim 2, wherein said dispersion compensator includes a coupled fiber structure.
18. An optical amplifier as recited in claim 1, wherein the amplifier output an amplified signal that has substantially no chromatic dispersion or dispersion slope.
19. An optical amplifier as recited in claim 1, wherein said amplifier section further comprises a pump multiplexer.
20. A method of amplifying a optical signal, the method comprising:
separating a broadband optical signal into a plurality of banded optical signals;
providing a plurality of ports, each of which outputs a selected one of said plurality of banded optical signals; and
coupling an amplifier section to one of said plurality of ports.
21. A method as recited in claim 20, further comprising providing a dispersion compensator in said amplifier section.
22. A method as recited in claim 20, wherein the method further comprises not providing a gain flattening device.
23. A method as recited in claim 20, wherein each of said banded optical signals has a finite wavelength range that is a segment of a wavelength range of said broadband optical signal.
24. A method as recited in claim 20, further comprising providing a plurality of amplifier sections, each of which is coupled to a respective one of said ports.
25. A method as recited in claim 24, wherein each of said plurality of amplifiers sections has a gain medium chosen to provide a substantially flat gain across a wavelength range of a respective one of said plurality of banded optical signals.
26. A method as recited in claim 20, wherein said broadband optical signal includes n optical channels, and said plurality of optical ports equals m, where n and m are integers.
27. A method as recited in claim 26, wherein said plurality of banded optical signals equals nm.
28. A method as recited in claim 26, wherein said plurality of banded optical signals does not equal nm.

What is claimed is:

1. An isolation switch for an electric power circuit having a line conductor, load conductor and ground conductor, the isolation switch comprising:
a housing;
a shaft mounted for rotation about its longitudinal axis within the housing; and
a pole unit comprising:
a movable conductor carried by the shaft and having a first movable contact at one end and a second movable contact at another end, the first and second movable contacts being angularly spaced in a plane perpendicular to the longitudinal axis of the shaft by an angle ; and
a fixed load contact, a fixed line contact, and a fixed ground contact all mounted in the housing in the plane perpendicular to the shaft with the fixed load contact between and angularly spaced from the fixed line contact and the fixed ground contact by the angle , the shaft being rotatable to a first position in which the first movable contact engages the fixed load contact and the second movable contact engages the fixed line contact, and a second position degrees from the first position in which the first movable contact engages the fixed ground contact and the second movable contact engages the fixed load contact.
2. The isolation switch of claim 1, wherein the shaft is rotatable to a third position in which neither of the first and second movable contacts engages the fixed load contact.
3. The isolation switch of claim 1, wherein the angle is less than 180.
4. The isolation switch of claim 3, wherein the angle is about 90.
5. The isolation switch of claim 4, wherein the fixed line contact, fixed ground contact and fixed load contact are disposed in a T configuration having a cross leg and an intersecting leg intersecting the cross leg, the fixed line contact and the fixed ground contact being disposed at opposite ends of the cross leg and the fixed load contact being disposed at a free end of the intersecting leg, and the longitudinal axis of the shaft being disposed at the intersection of the intersecting leg with the cross leg.
6. The isolation switch of claim 1 comprising multiple pole units axially spaced along the shaft.
7. The isolation switch of claim 6, wherein there are three pole units.
8. The isolation switch of claim 1, wherein the shaft has a metal axle extending along the longitudinal axis and the pole unit includes an insulative material mechanically mounting the movable conductor on and providing electrical isolation from the metal axle.
9. The isolation switch of claim 8 comprising multiple pole units and the insulative material extending along the metal axle between the axially spaced pole units to form a single continuous element integral with the insulative material at the pole units.
10. The isolation switch of claim 9, wherein the insulative material forms integral fins adjacent the first and second movable contacts on outer pole units.
11. The isolation switch of claim 8, wherein the angle is about 90 and the movable conductor comprises a copper bar having a center section and terminal sections at the one end and another end of the copper bar and forming about 45 angles with the center section.
12. The isolation switch of claim 1, wherein projections of longitudinal axis of the terminal sections of the movable conductor intersect at the longitudinal axis of the shaft.
13 The isolation switch of claim 12, wherein the fixed line contact, fixed ground contact and fixed load contact are disposed in a T configuration having a cross leg and an intersecting leg intersecting the cross leg, the fixed line contact and the fixed ground contact being disposed at opposite ends of the cross leg and the fixed load contact being disposed at a free end of the intersecting leg, and the longitudinal axis of the shaft being disposed at the intersection of the intersecting leg with the cross leg.
14. An isolation switch for an electrical power circuit having a line conductor, a load conductor and a ground conductor, the isolation switch comprising:
a housing;
an elongated electrically insulative shaft with a metal axle extending along a longitudinal axis about which the shaft is mounted in the housing for rotation; and
a pole unit comprising a movable conductor embedded and solely supported by the elongated electrically insulative shaft in electrical isolation from the metal axle, the shaft being rotatable between a connected position in which the movable conductor connects the load conductor to the line conductor, and a grounded position in which the movable conductor connects the load connector to the ground conductor.
15. The isolation switch of claim 14 comprising multiple pole units mounted axially on the shaft.
16. The isolation switch of claim 15, wherein the movable conductor has terminal sections angularly spaced from each other by an angle and each extending substantially radially outward from the longitudinal axis of the shaft and a center section joining the terminal sections and offset laterally from the metal axle.

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 thin keyboard structure comprising:
a substrate having a base, a first portion with a first end and a second portion with a second end, wherein the first portion and the second portion are connected with the base; the first portion protrudes from the base at a first included angle; the first end is aligned with the second end and separated from the second end by a distance; the first portion may be forced to deform to contact the second end;
a flexible circuit having a predetermined circuit over the substrate, wherein the predetermined circuit comprises a first contact fixed on the first end and a second contact fixed on the second end, when the first end contacts the second end, the first contact electrically connects to the second contact; and
a keycap having a first connecting device fixed on the first portion protruding from the base;
when the keycap is forced to push the connecting device, the first portion is deformed to electrically connect the first contact and the second contact;
when releasing the forced keycap, the deformed portion returns to its native position to electrically disconnect the first contact and the second contact.
2. The thin keyboard structure according to claim 1, wherein the substrate is selected from a group consisting of a plastic plate, an iron plate, an aluminum plate, a semiconductor plate and any arbitrary combination thereof.
3. The thin keyboard structure according to claim 1, wherein the second portion protrudes from the base at a second included angle.
4. The thin keyboard structure according to claim 3, wherein the keycap further comprises a second connecting device fixed on the second portion.
5. The thin keyboard structure according to claim 3, wherein the first included angle and the second included angle are substantially about 120\xb0.
6. The thin keyboard structure according to claim 3, wherein the second portion has a thickness of substantially about 0.3 mm.
7. The thin keyboard structure according to claim 4, wherein when the keycap is. forced to push the first connecting device and the second connecting device, the first portion and the second portion are deformed to electrically connect the first contact and the second contact.
8. The thin keyboard structure according to claim 3, wherein the second included angle is not equal to the first included angle.
9. The thin keyboard structure according to claim 1, wherein the second portion is substantially coplanar with the base.
10. The thin keyboard structure according to claim 1, wherein the thickness of the first portion is substantially about 0.3 mm.
11. The thin keyboard structure according to claim 1, wherein the flexible circuit is a film circuit that is printed on the substrate.
12. The thin keyboard structure according to claim 1, wherein the flexible circuit is a flexible printed circuit fixed on the substrate.
13. The thin keyboard structure according to claim 1, wherein the first contact and the second contact are two metal protuberances connected on the flexible circuit.
14. The thin keyboard structure according to claim 4, wherein the first connecting device and the second connecting device are fixed on the substrate by at least one fastener respectively.