1461147243-ba9160f0-ad05-447b-8b30-5e1a5304e1e4

What is claimed is:

1. A disk cartridge incorporating a disk-shaped recording medium and having an opening portion for carrying enabling a recording andor reproducing operation by a recording andor reproducing device, comprising:
a disk cartridge main body;
a disk holder which is detachably mountable to said disk cartridge main body; and
a reverse insertion preventing structure for preventing said disk holder having a surface and a rear face from being inserted turning inside out into said disk cartridge main body when said disk holder is mounted to said disk cartridge main body;
wherein said opening portion of the disk cartridge is provided in said disk cartridge main body;
wherein said opening portion is closed by a shutter arranged at said disk cartridge main body such that said disk shaped recording medium is shielded from outside by said shutter when the disk cartridge is outside of the recording andor reproducing device;
wherein when the disk cartridge is inside of the recording andor reproducing device, said shutter is moved and said opening portion is opened such that the recording andor reproducing device enables reproducing or recording from or to said disk-shaped recording medium;
wherein said disk holder is mountable to said disk cartridge main body along with said disk-shaped recording medium; and
wherein said disk holder is constituted by a structure which is detachable to outside of said disk cartridge main body along with said disk-shaped recording medium.
2. The disk cartridge according to claim 1, wherein as said reverse insertion preventing structure, a shape of said disk cartridge main body and a shape of said disk holder are formed in shapes which are not fitted to each other so as not to turn said disk holder with said surface and said rear face inside out when said disk holder is inserted into said disk cartridge main body.
3. The disk cartridge according to claim 2, wherein as said reverse insertion preventing structure, the shapes of the disk holding member is made asymmetrical in respect of left and right directions.

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 system for transferring radio frequency energy from a radio frequency power amplifier to a slab laser, the slab laser having a first electrode and a second electrode, the system comprising:
a connector for receiving a radio frequency power input;
a printed circuit board having at least one conductive pad and an aperture, the at least one conductive pad being etched on the printed circuit board, wherein one of the at least one conductive pad is electrically connected to the connector;
a conductive plate attached on a bottom of the printed circuit board and having an opening corresponding to the aperture of the printed circuit board; and
a first inductor element having a first end and a second end, wherein the first end of the first inductor element is electrically connected to the connector, and wherein the second end of the first inductor element is electrically connected to the first electrode of the slab laser through the aperture of the printed circuit board and the opening of the conductive plate.
2. The system of claim 1, wherein the first inductor element is configured to be adjustable in shape or length to set inductance of the system.
3. The system of claim 1, wherein the at least one conductive pad is adjustable in quantity or dimension to set capacitance of the system.
4. The system of claim 1, further comprising a second inductor element having a first end and a second end, wherein the first end of the second inductor element is electrically connected to the second end of the first inductor element through the aperture of the printed circuit board and the opening of the conductive plate, and wherein the second end of the second inductor element is electrically connected to the first electrode of the slab laser.
5. The system of claim 4, wherein the second inductor element includes a conductive shaft, an insulating housing and a conductive coupling portion, the insulating housing at least partially surrounding the conductive shaft with an air gap therebetween, wherein the conductive shaft is electrically connected to the second end of the first inductor element at the first end of the second inductor element and electrically connected to the conductive coupling portion at the second end of the second inductor element, and wherein the conductive coupling portion is mounted to the first electrode of the slab laser and electrically connected to the first electrode of the slab laser.
6. The system for claim 5, further comprising:
a second connector for receiving a second radio frequency power input; and
a second first inductor element having a first end and a second end, wherein the first end of the second first inductor element is electrically connected to the second connector;
wherein the second inductor element includes a second conductive shaft, the second conductive shaft electrically connected to the second end of the second first inductor element at the first end of the second inductor element and electrically connected to the conductive coupling portion at the second end of the second inductor element.
7. The system of claim 1, wherein the first inductor element is a conductive strap, the conductive strap being adjustable in length and being configured to have a curved portion.
8. The system of claim 7, wherein a curvature of the first inductor element is not greater than 180 degrees.
9. The system of claim 1, comprising a plurality of the conductive pads, wherein the conductive pads are spaced apart around the aperture of the printed circuit board.
10. The system of claim 1, comprising a plurality of the conductive pads, wherein the conductive pads are spaced apart in a row.
11. The system of claim 1, further comprising a resistor, the resistor being arranged on the printed circuit board, wherein the resistor is electrically connected to the connector and electrically connected to the first inductor element.
12. A laser system comprising:
a first electrode;
a second electrode;
a laser chamber defined by the first electrode and the second electrode; and
an impedance matching system including:
a connector configured for connecting to a radio frequency power input;
a printed circuit board having at least one conductive pad and an aperture, the at least one conductive pad being etched on the printed circuit board, wherein one of the at least one conductive pad is connected to the connector;
a conductive plate having an opening corresponding to the aperture of the printed circuit board and attached on the bottom of the printed circuit; and
a first inductor element having a first end and a second end, wherein the first end of the first inductor element is electrically connected to the connector, and wherein the second end of the first inductor element is electrically connected to the first electrode of the slab laser through the aperture of the printed circuit board and the opening of the conductive plate.
13. The laser system of claim 12, wherein the first inductor element is configured to be adjustable in shape or length to set inductance of the system.
14. The laser system of claim 12, wherein the at least one conductive pad is adjustable in quantity or dimension to set capacitance of the system.
15. The laser system of claim 12, further comprising a second inductor element having a first end and a second end, wherein the first end of the second inductor element is electrically connected to the second end of the first inductor element through the aperture of the printed circuit board and the opening of the conductive plate, and wherein the second end of the second inductor element is electrically connected to the first electrode of the slab laser.
16. The laser system of claim 15, wherein the second inductor element includes a conductive shaft, an insulating housing and a conductive coupling portion, the insulating housing at least partially surrounding the conductive shaft with an air gap therebetween, wherein the conductive shaft is electrically connected to the second end of the first inductor element at the first end of the second inductor element and electrically connected to the conductive coupling portion at the second end of the second inductor element, and wherein the conductive coupling portion is mounted to the first electrode of the slab laser and electrically connected to the first electrode of the slab laser.
17. A method for transferring radio frequency energy from a radio frequency power amplifier to a slab laser, the slab laser having a first electrode and a second electrode, the method comprising:
creating an aperture in a printed circuit board;
etching at least one conductive pad on the printed circuit board;
attaching a conductive plate under the printed circuit board, wherein the conductive plate has an opening which corresponds to the aperture of the printed circuit board and is aligned with the aperture of the printed circuit board when the conductive plate is attached under the printed circuit board;
connecting a radio frequency power input to one of the at least one conductive pads;
connecting a first end of a conductive strap to the radio frequency power input; and
connecting a second end of the conductive strap to the first electrode of the slab laser.
18. The method of claim 17, further comprising:
determining a capacitance to match impedances between the radio frequency power amplifier and the slab laser; and
setting the determined capacitance by adjusting a quantity or a dimension of the at least one conductive pads on the printed circuit board.
19. The method of claim 17, further comprising:
determining an inductance to match impedance between the radio frequency power amplifier and the slab laser; and
setting the determined inductance by adjusting a length or shape of the conductive strap.
20. The method of claim 17, further comprising:
connecting a first end of an inductor rod to the second end of the conductive strap through the aperture of the printed circuit board and the opening of the conductive plate; and
connecting a second end of the inductor rod to the first electrode of the slab laser.

1461147232-74153b5b-393c-453c-98db-6568e2af199a

1. An apparatus, comprising:
a first flexible material having an outer perimeter portion;
a second flexible material having an inner perimeter portion and an outer perimeter portion, the inner perimeter portion and the outer perimeter portion collectively defining a sleeve, the second flexible material being different than the first flexible material, the inner perimeter portion of the second flexible material being fixedly coupled, at least in part, to the outer perimeter portion of the first flexible material;
an inflatable bladder disposed within the sleeve,
the apparatus having an extended configuration when inflated for use in water and a collapsed configuration when not inflated, the inflatable bladder being a sufficient size when inflated to maintain the apparatus in the extended configuration and support the weight of a user of the apparatus when the apparatus is disposed in water and the user is disposed in a supine position on the apparatus; and
an inflatable pillow fixedly coupled to at least one of the first flexible material or the second flexible material, the second flexible material and the inflatable pillow collectively defining an interior region, the first flexible material being disposed within the interior region.
2. The apparatus of claim 1, further comprising:
a spring coupled to the second flexible material and configured to form a closed loop, the spring being moveable between a coiled configuration when the spring is collapsed and an uncoiled configuration when the spring is expanded.
3. The apparatus of claim 1, wherein the inflatable pillow is disposed offset from the outer perimeter portion of the first flexible material.
4. The apparatus of claim 1, further comprising:
a membrane coupled to the inflatable pillow, the inflatable pillow is disposed between the membrane and at least one of the first flexible material or the second flexible material.
5. The apparatus of claim 1, further comprising:
a valve coupled to the inflatable bladder and accessible from outside of the second flexible material, the valve configured to communicate air to at least a portion of the inflatable bladder.
6. The apparatus of claim 1, wherein at least a portion of the inflatable bladder has a diameter when inflated of approximately 3 inches.
7. The apparatus of claim 1, wherein the inflatable pillow having a length and a width when inflated, the width being greater than the length to support a user’s head above a remaining portion of the user’s body when the inflatable pillow is inflated.
8. The apparatus of claim 1, wherein the first flexible material is substantially planar when the inflatable bladder is inflated and the apparatus is in the extended configuration.
9. An apparatus, comprising:
a first flexible material having an outer perimeter portion;
a second flexible material having an inner perimeter portion and defining a first inflatable bladder, the inner perimeter portion of the second flexible material being coupled to the outer perimeter portion of the first flexible material;
the first inflatable bladder being a sufficient size when inflated to support a user on the apparatus when the apparatus is disposed in water and the user is disposed in a supine position on the apparatus;
a second inflatable bladder coupled to at least one of the first flexible material or the second flexible material, the first inflatable bladder and the second inflatable bladder collectively defining an interior region, the first flexible material being disposed within the interior region; and
a third flexible material coupled to at least one of the first flexible material or the second flexible material, the third flexible material forming a pocket, the second inflatable bladder being disposed within the pocket of the third flexible material.
10. The apparatus of claim 9, further comprising:
a sleeve having an inner perimeter portion coupled to the outer perimeter portion of the first flexible material, the second flexible material disposed at least partially within the sleeve.
11. The apparatus of claim 9, further comprising:
a spring coupled to an outer perimeter portion of the second flexible material, the spring configured to form a closed loop, the spring being moveable between a coiled configuration when the spring is collapsed and an uncoiled configuration when the spring is expanded.
12. The apparatus of claim 9, wherein the first flexible material is formed with a mesh material such that at least a portion of the user’s body is exposed to water when the user is disposed on the apparatus, and the second flexible material is one of a nylon material or a polyester material.
13. The apparatus of claim 9, further comprising:
a valve coupled to the first inflatable bladder, the valve configured to communicate air to the first inflatable bladder.
14. The apparatus of claim 9, further comprising:
a first valve coupled to the first inflatable bladder, the first valve configured to communicate air to the first inflatable bladder; and
a second valve coupled to the second inflatable bladder, the second valve configured to communicate air to the second inflatable bladder.
15. An apparatus, comprising:
a first flexible material having an outer perimeter portion;
a second flexible material defining an inflatable chamber and an inner perimeter portion, the inner perimeter portion of the second flexible material being fixedly coupled to the outer perimeter portion of the first flexible material;
an inflatable pillow coupled to at least one of the first flexible material or the second flexible material, at least a portion of a perimeter portion of the inflatable pillow and the second flexible material collectively defining an interior region, the first flexible material being disposed within the interior region, the inflatable pillow having a size when inflated sufficient to support a head of a user of the apparatus above a remaining portion of the user’s body when the apparatus is disposed in water and the user is disposed in a supine position on the apparatus; and
a valve coupled to the second flexible material, the valve configured to communicate air to the inflatable chamber of the second flexible material.
16. The apparatus of claim 15, further comprising:
a spring coupled to the second flexible material, the spring forming a closed loop and being moveable between a coiled configuration when the spring is collapsed and an uncoiled configuration when the spring is expanded.
17. The apparatus of claim 15, wherein the valve is a first valve, the apparatus further comprising:
a second valve coupled to the inflatable pillow and configured to communicate air to the inflatable pillow.
18. The apparatus of claim 15, wherein the first flexible material is formed with a mesh material such that at least a portion of the user’s body is exposed to water when the user is disposed on the apparatus, and the second flexible material is at least one of a nylon material or a polyester material.
19. The apparatus of claim 15, wherein the first flexible material has an outer most perimeter defining a shape of the first flexible material in a top view when the inflatable chamber of the second flexible material is inflated,
the second flexible material has an outer most perimeter defining a shape of the second flexible material in a top view when the inflatable chamber of the second flexible material is inflated, the shape of the first flexible material in the top view being different than the shape of the second flexible material in the top view when the inflatable chamber of the second flexible material is inflated.
20. The apparatus of claim 15, wherein the first flexible material has a maximum length greater than a maximum width of the first flexible material, the first flexible material has a centerline defined along the maximum length of the first flexible material,
the inflatable pillow has a maximum width greater than a maximum length of the inflatable pillow, the inflatable pillow has a centerline defined along the maximum length of the inflatable pillow, the centerline of the inflatable pillow is substantially aligned with the centerline of the first flexible material.
21. The apparatus of claim 15, wherein at least a portion of the inflatable chamber has a diameter when inflated of approximately 3 inches.
22. The apparatus of claim 15, wherein the first flexible material is substantially planar when the inflatable chamber of the second flexible material is inflated.
23. The apparatus of claim 1, wherein the first flexible material is formed with a mesh material such that at least a portion of the user’s body is exposed to water when the user is disposed on the apparatus, and the second flexible material is formed with at least one of a nylon material or a polyester material.

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 device diminishing an eddy current loss for a transformer having an air-gap, comprising:
a conductive case having an eddy current diminishing opening opposite to the air-gap; and
an insulator disposed between the eddy current diminishing opening and the transformer.
2. A device according to claim 1, wherein the eddy current diminishing opening is exactly opposite to the air-gap and is a single opening larger than the air-gap so as to diminish the eddy current loss caused by the transformer, the conductive case is a metal case, and the insulator is used to wrap the transformer so as to form an insulating layer.
3. A device according to claim 1, wherein the eddy current diminishing opening is larger than the air-gap and includes a plurality of elongate covering areas and a plurality of elongate openings, each the covering area is a part of the conductive case, and two adjacent ones of the plurality of covering areas form one of the plurality of openings.
4. A device according to claim 3, wherein each of the plurality of covering areas has a substantially equal width.
5. A device according to claim 4, wherein each the covering area comprises a first and a second terminals, within the eddy current diminishing opening, which are separate from each other except a direct connection through the covering area therebetween.
6. An electronic product, comprising:
a transformer having an air-gap; and
a conductive case having an eddy current diminishing opening opposite to the air-gap so as to diminish an eddy current loss caused by the transformer.
7. An electronic product according to claim 6, wherein the eddy current diminishing opening is a single opening larger than the air-gap and the conductive case is a metal case.
8. An electronic product according to claim 6, wherein the eddy current diminishing opening includes a plurality of elongate covering areas and a plurality of elongate openings, two adjacent ones of the covering areas form one of the plurality of elongate openings, and each the covering area is a part of the conductive case and is separate from any other of the covering areas within the eddy current diminishing opening.
9. An electronic product according to claim 8, wherein each the covering area has a first and a second terminals, within the eddy current diminishing opening, which are separate from each other except a direct connection through the covering area therebetween.
10. An electronic product according to claim 6, wherein the electronic product is an electronic ballast.
11. An electronic product according to claim 10, wherein the electronic ballast is a low profile electronic ballast.
12. An electronic product according to claim 6, wherein the transformer is a horizontal type transformer.
13. An electronic product according to claim 6, wherein the conductive case comprises an upper cover and a lower cover, and the upper cover comprises the eddy current diminishing opening.
14. An electronic product according to claim 6 further comprising an insulator and a printed circuit board (PCB), wherein the transformer is disposed on the PCB, and the insulator is disposed between the eddy current diminishing opening and the transformer and wraps the PCB and the transformer so as to form an insulating layer.
15. A controlling method of a device diminishing an eddy current loss for a transformer, wherein the transformer has an air-gap, and the device comprises a conductive case having an eddy current diminishing opening opposite to the air-gap, comprising steps of:
(a) causing the air-gap to be covered by the eddy current diminishing opening; and
(b) causing a fringing flux of the air-gap to go through the eddy current diminishing opening and to be separate from any other part of the conductive case except the eddy current diminishing opening.
16. A method according to claim 15, wherein the device is the one as claimed in claim 2.
17. A method according to claim 15, wherein the device is the one as claimed in claim 5, and the step (b) further comprises steps of:
(b1) causing the plurality of covering areas to be separate from each other within the eddy current diminishing opening; and
(b2) forming a plurality of eddy currents on each the covering area by the fringing flux, wherein the plurality of eddy currents are separate from each other, so as to diminish the eddy current loss.
18. A method according to claim 17, wherein every adjacent two elongate openings define therebetween a respective covering area defining two opposite edges forming therebetween a respective eddy current.
19. A method according to claim 15, wherein the air-gap in the step (a) is covered completely by the eddy current diminishing opening.