Author: claimsbot

We claim:

1. A system for providing access to a data file stored at a digital cellular switch, comprising:
a digital cellular switch capable of communicating via a digital control interface and operative to store said data file; and
an operations and maintenance platform processor communicatively coupled to said digital cellular switch via said digital control interface operative to receive a request for said data file and to retrieve said data file from said digital cellular switch via said digital control interface.
2. The system of claim 1, wherein said digital control interface comprises a high-capacity inter-processor communications channel between said digital cellular switch and said operations and maintenance platform processor.
3. The system of claim 2, wherein said digital control interface further comprises a pair of dual series channel cables communicatively connected between said digital cellular switch and said operations and maintenance platform processor.
4. The system of claim 3, wherein said digital cellular switch is electrically coupled to one or more communications trunks and wherein said data file comprises a trunk database.
5. The system of claim 4, further comprising a second operations and maintenance platform processor dedicated to performing operations and maintenance functions with respect to said digital cellular switch.
6. A method for retrieving a data file stored at a digital cellular switch, comprising:
receiving a request at an operations and maintenance platform processor for said data file stored at said digital cellular switch;
transmitting a request for said data file from said operations and maintenance platform processor to said digital cellular switch via a digital control interface communications link; and
in response to said request, receiving said file at said operations and maintenance platform processor from said digital cellular switch via said digital control interface communications link.
7. The method of claim 6, further comprising determining whether said digital control interface communications link is available to provide a communications link between said digital cellular switch and said operations and maintenance platform processor prior to transmitting said request.
8. The method of claim 7, further comprising providing a prompt for a filename identifying said data file.
9. The method of claim 8, further comprising receiving said filename and transmitting said filename as a part of said request.
10. A method for storing a data file at a digital cellular switch, comprising:
receiving a request at an operations and maintenance platform processor to store said data file at said digital cellular switch; and
in response to said request, transmitting said file from said operations and maintenance platform processor to said digital cellular switch via said digital control interface communications link.
11. The method of claim 10, further comprising determining whether said digital control interface communications link is available to provide a communications link between said digital cellular switch and said operations and maintenance platform processor prior to transmitting said data file.
12. The method of claim 11, further comprising providing a prompt for a filename identifying said data file.
13. The method of claim 12, further comprising receiving said filename and transmitting said filename to said digital cellular switch prior to transmitting said data file.
14. An apparatus for retrieving a data file stored at a digital cellular switch, comprising:
a processor;
a memory;
a digital control interface coupled to said processor and operative to provide a communications link to said digital cellular switch;
a software component stored in said memory and capable of executing on said processor, said software component operative to receive a request for said data file and to retrieve said data file via said digital control interface in response to said request.
15. The apparatus of claim 14, wherein said digital control interface comprises a high-capacity inter-processor communications channel between said digital cellular switch and said apparatus.
16. The apparatus of claim 15, wherein said digital control interface further comprises a pair of dual series channel cables communicatively connected between said digital cellular switch and said apparatus.
17. The apparatus of claim 16, wherein said software component is further operative to receive a request to store said data file at said digital cellular switch and to transmit said data file to said digital cellular switch via said digital control interface in response to said request.
18. A computer-readable medium comprising computer-executable instructions which, when executed by a computer, cause the computer to perform the method of claim 6.
19. A computer-readable medium comprising computer-executable instructions which, when executed by a computer, cause the computer to perform the method of claim 10.

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 reduced pressure treatment system, comprising:
a flexible polyurethane cover comprising a first side, a second side, and an opening therethrough;
a hydrocolloid adhesive located on the first side of the cover;
a flexible port attached to the second side of the cover, the port comprising a tubing connector and lumen in communication with the opening of the cover;
a tube attached to the port at the tubing connector;
an elongate activation key;
a chamber adapted to create a reduced pressure, said chamber having a distal end wall with an inlet opening, a proximal opening, and a rigid non-circular side wall between the seal end wall and the proximal opening; and
a seal located within the chamber, the seal comprising a perimeter that forms a vacuum-resistant seal with the rigid non-circular side wall of the chamber and is configured to slide along a longitudinal axis of the chamber while creating said reduced pressure and to removably receive the distal end of an elongate activation key;
a proximal end cap attached about the proximal opening of the vacuum chamber, the proximal end cap comprising an activation key opening, and a spring attachment site; and
at least one coiled ribbon spring located in the chamber, the spring comprising a distal end attached to the seal and a proximal end attached to the spring attachment site of the proximal end cap.
2. A reduced pressure treatment system, comprising:
a flexible cover comprising a first side, a second side, and an opening there through;
an adhesive located on the first side of the cover;
a port attached to the second side of the cover, the port comprising a lumen in communication with the opening of the cover;
a tube attached to the port;
a chamber comprising an inlet opening and a rigid side wall; and
a seal mechanism located within the chamber, the seal mechanism comprising a perimeter that forms a vacuum-resistant seal with the rigid side wall of the chamber and is configured to slide along a longitudinal axis of the chamber while creating reduced pressure and to removably receive an activation element; and
a spring mechanism located in the chamber and attached to the seal mechanism.
3. The system of claim 1, wherein the cover comprises a permeable polyurethane cover.
4. The system of claim 1, wherein the adhesive comprises a hydrocolloid.
5. The system of claim 1, wherein the port comprises an elastomeric material.
6. The system of claim 4, wherein the port comprises a flat, elastomeric base.
7. The system of claim 1, wherein the port is a flexible port.
8. The system of claim 1, wherein the spring mechanism comprises a ribbon spring.
9. The system of claim 1, wherein the spring mechanism comprises a substantially constant force spring.
10. The system of claim 1, wherein the spring mechanism comprises two ribbon springs.
11. The system of claim 1, wherein the chamber further comprises a distal end wall and a proximal opening.
12. The system of claim 10, wherein the inlet opening of the chamber is located on the distal end wall.
13. The system of claim 10, wherein the rigid side wall of the chamber comprises a non-circular cross-sectional shape.
14. The system of claim 12, wherein the non-circular cross-sectional shape is an oval shape.
15. The system of claim 10, further comprising an end cap attached to the proximal opening of the chamber.
16. The system of claim 14, wherein the end cap comprises an activation opening.
17. The system of claim 15, wherein spring mechanism is attached to the end cap.
18. The system of claim 1, wherein the seal mechanism comprises a rigid structure and a soft sealing structure attached to the rigid structure.
19. The system of claim 17, wherein spring mechanism is attached to the rigid structure.
20. The system of claim 9, wherein the each of the two ribbon springs comprises an inner surface, an outer surface and edges therebetween.
21. The system of claim 19, wherein a flat surface of each ribbon spring faces a flat surface of the other ribbon spring.
22. The system of claim 20, each ribbon spring intersects a line located across a maximum dimension of the seal mechanism.
23. The system of claim 20, wherein the ribbon springs have opposite coil orientations.
24. The system of claim 1, further comprising a lubricant on the rigid side wall of the chamber.
25. The system of claim 1, wherein the seal mechanism is further configured to removably receive an activation element.
26. The system of claim 24, further comprising an activation element configured to be removably inserted into the chamber to displace the seal mechanism.
27. The system of claim 25, wherein the activation element is configured to releasably lock the position of the seal mechanism.
28. A system for treating a wound of a patient, comprising:
a sealable wound covering comprising a flexible sealant layer and an integrally formed attachment port having a lumen that passes through the port; and
a non-electrically powered, reduced pressure generating assembly capable of being activated to apply said reduced pressure, comprising:
a suction chamber with a longitudinal axis and an initial non-circular cross-sectional shape transverse to the longitudinal axis and an internal volume of 250 cc or less, said chamber capable of being primed prior to activation, and capable of maintaining its initial non-circular cross-sectional shape after activation;
a piston assembly configured to slide inside the suction chamber along the longitudinal axis and having a non-circular cross-sectional shape transverse to the longitudinal axis;
at least one substantially constant force spring coil coupled to the piston assembly and configured to reduce pressure in the suction chamber by at least 50 mmHg; and
a connector tube configured to releasably attach the chamber to the sealable wound covering at the attachment port, to permit fluid communication between the wound and the reduced pressure generating apparatus through the sealable wound covering.
29. The system of claim 28, wherein the suction chamber is adapted to collect exudate fluids from the wound.
30. The system of claim 28, wherein said piston assembly divides said internal volume of said suction chamber into a variable-volume fluid collection chamber and a variable-volume working chamber,
said reduced pressure generating assembly having a removable elongate priming tool for priming the assembly by reducing the volume of the fluid collection chamber and expanding the volume of the working chamber prior to activation, and
an activating device to cause the assembly to apply reduced pressure to the wound by expanding the volume of the fluid collection chamber through discharging potential energy stored in said at least one spring coil.
31. The system of claim 28, wherein the system is silent during application of the reduced pressure to the wound.
32. The system of claim 28, wherein said system further comprises a pressure gauge for indicating the level of reduced pressure being applied by the system after activation.
33. The system of claim 28, wherein said suction chamber comprises a viewing window to visually assess, after activation, at least one of the reduced pressure levels being applied by said assembly and the exudate fluids being collected in said fluid collection chamber.
34. The system of claim 28, wherein said assembly comprises an indicator to indicate the status of assembly’s capacity to continue to generate said reduced pressure.
35. The assembly of claim 28, wherein said suction chamber maintains its initial non-circular cross-sectional shape over a range of collection volumes of exudate.

1. A resonant power supply for light-emitting devices, comprising:
an inverter including two DC input terminals and two AC output terminals, and configured to convert a direct current from the two DC input terminals into an alternating current through the two AC output terminals;
a resonant circuit connected in series to at least one of the two AC output terminals; and
an LED circuit connected in series to the resonant circuit, and configured to emit lights as the alternating current is applied.
2. The resonant power supply for light-emitting devices of claim 1, wherein the inverter includes two serially connected switches and two serially connected capacitors between the two DC input terminals, and the two AC output terminals are connected to two junctions between the two switches and the two capacitors.
3. The resonant power supply for light-emitting devices of claim 2, wherein the resonant circuit is connected between one of the two AC output terminals and the LED circuit.
4. The resonant power supply for light-emitting devices of claim 2, wherein the resonant circuit includes a capacitor and an inductor connected between one of the two AC output terminals and the LED circuit.
5. The resonant power supply for light-emitting devices of claim 2, wherein the LED circuit is connected between the resonant circuit and one of the two AC output terminals.
6. The resonant power supply for light-emitting devices of claim 1, wherein the inverter includes two serially connected switches connected between the two DC input terminals, one of the two AC output terminals connects one of the two DC input terminals, and the other AC output terminal connects one junction between the two switches.
7. The resonant power supply for light-emitting devices of claim 6, wherein the resonant circuit includes a capacitor connected between one of the two AC output terminals and the LED circuit and an inductor connected between the other AC output terminal and the LED circuit.
8. The resonant power supply for light-emitting devices of claim 6, wherein the resonant circuit includes a capacitor and a transformer having a primary winding connected between the two AC output terminals via the capacitor and a secondary winding connected to the LED circuit.
9. The resonant power supply for light-emitting devices of claim 8, wherein the transformer has a leakage inductance serving as an inductor of the resonant circuit.
10. The resonant power supply for light-emitting devices of claim 8, wherein the resonant circuit further includes an inductor connected between the secondary winding and the LED circuit.
11. The resonant power supply for light-emitting devices of claim 6, wherein the resonant circuit includes a capacitor and a transformer having a primary winding connected between the two AC output terminals via the capacitor and a center tap secondary winding, and the center tap secondary winding has two ends tied together through a diode respectively to be a first output node and a center tap end serving as a second output node.
12. The resonant power supply for light-emitting devices of claim 11, wherein the transformer has a leakage inductance serving as an inductor of the resonant circuit.
13. The resonant power supply for light-emitting devices of claim 11, wherein the resonant circuit further includes an inductor connected between the secondary winding and the LED circuit.
14. The resonant power supply for light-emitting devices of claim 1, wherein the LED circuit includes series-connected light-emitting diodes.
15. The resonant power supply for light-emitting devices of claim 1, wherein the LED circuit includes two anti-parallel series-connected light-emitting diodes.

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 unit for feeding and cutting into lengths a strip of wrapping material, comprising:
a conveyor on which to support and advance the strip;
first cutting means, operating cyclically and in conjunction with the conveyor supporting and advancing the strip, by which the selfsame strip is divided transversely into single leaves of predetermined length;
second cutting means, operating cyclically and in conjunction with the conveyor supporting and advancing the strip, serving to score at least one transverse tear-off line on each leaf;
third cutting means, operating cyclically and in conjunction with the conveyor supporting and advancing the strip, serving to score a longitudinal tear-off line combining with the transverse tear-off line to delimit a removable portion of the leaf;
wherein the second and third cutting means are rigidly associated one with another and form part of a common rotary device.
2. A unit as in claim 1, wherein the second and third cutting means combine at one and the same operating station to define a cutting edge of \u201cL\u201d profile interacting with at least one set of anvil means presented by the conveyor.
3. A unit as in claim 2, wherein the conveyor consists in a rotating drum and the rotary device comprises a shaft, of which the axis extends parallel to the axis of the drum, carrying second cutting means embodied as a radial blade and third cutting means embodied as a disc blade.
4. A unit as in claim 3, comprising means by which to adjust the timing of the stroke made by the second and the third cutting means, relative to that of the first cutting means.
5. A unit as in claim 4, wherein adjustment means comprise means by which to adjust the angular position of the second and third cutting means about the axis of the relative supporting shaft.
6. A unit as in claim 5, wherein the drum is equipped with a plurality of anvil blades, angularly equispaced and combining with a fixed blade to provide the first cutting means.
7. A unit as in claim 6, wherein the drum presents a plurality of sectors, angularly equispaced and identical in number to the anvil blades, each presenting an outer surface fashioned with a respective seat such as will accommodate an insert providing the anvil means offered to the cutting edge of \u201cL\u201d profile presented by the second and third cutting means.
8. A unit as in claim 7, wherein the sectors are embodied in carbon fiber and the inserts are embodied in metallic andor resilient material and are interchangeable.
9. A method of cutting strip material into discrete lengths, including the steps of feeding a strip of wrapping material to a conveyor, severing the strip on transverse cut lines through the agency of first cutting means, cyclical in operation, so as to separate the single leaves, and scoring a succession of transverse lines and longitudinal lines on the strip with second and third cutting means to create a removable portion on each successive leaf, wherein the steps of scoring the longitudinal line and the transverse line occur in succession at a single operating station, and the step by which a cut is made on the transverse line to separate each leaf from the strip precedes at least the step of scoring the transverse line.
10. A unit as in claim 1, comprising means by which to adjust the timing of the stroke made by the second and the third cutting means, relative to that of the first cutting means.
11. A unit as in claim 10, wherein adjustment means comprise means by which to adjust the angular position of the second and third cutting means about the axis of the relative supporting shaft.
12. A unit as in claim 3, wherein the drum is equipped with a plurality of anvil blades, angularly equispaced and combining with a fixed blade to provide the first cutting means.
13. A unit as in claim 2, comprising means by which to adjust the timing of the stroke made by the second and the third cutting means, relative to that of the first cutting means.
14. A unit as in claim 13, wherein adjustment means comprise means by which to adjust the angular position of the second and third cutting means about the axis of the relative supporting shaft.
15. A unit as in claim 3, wherein adjustment means comprise means by which to adjust the angular position of the second and third cutting means about the axis of the relative supporting shaft.