1. Method for forwarding packets of a plurality of multimedia streams, said packets of said plurality of multimedia streams being forwarded from a multimedia source towards a plurality of multimedia endpoints over a communications network, wherein said method comprises a step of classifying said packets of said plurality of multimedia streams based on the usage of each of said multimedia streams.
2. Method for forwarding packets according to claim 1, wherein each multimedia stream of said plurality of multimedia streams comprises a base multimedia stream and at least one enhancement multimedia stream and in that said step of classifying additionally is based on the importance of each of said multimedia streams.
3. Method for forwarding packets according to claim 1, wherein said usage is determined through monitoring the overall use at each client of said plurality of clients.
4. Method for packet classifying according to claim 1, wherein said usage is determined based on statistics retrieved at an access network element.
5. Method for classifying packets according to claim 1, wherein said method additionally includes discarding said packets of said of plurality of multimedia streams based on said classifying.
6. Packet forwarding system for forwarding packets of a plurality of Multimedia streams, said system comprising a multimedia source adapted to forward said plurality of multimedia streams towards a plurality of multimedia endpoints over a communications network coupling said multimedia source and said plurality of multimedia endpoints, wherein said system comprises a classification part, adapted to classify said packets of said plurality of multimedia streams based on the usage of each of said multimedia streams.
7. Packet forwarding system according to claim 6, wherein each multimedia stream of said plurality of multimedia streams comprises a multimedia base stream and at least one enhancement stream and in that said classification part is additionally is adapted to classify said packets based on the importance of each of said multimedia streams.
8. Classification device (CD) for use in a system for forwarding packets of a plurality of Multimedia streams, said system comprising a multimedia source adapted to forward said plurality of multimedia streams towards a plurality of multimedia endpoints over a communications network coupling said multimedia source and said plurality of multimedia endpoints, wherein said classification device (CD) comprises a classification part (CP), adapted to Classify said packets of said plurality of multimedia streams based on the usage of each of said multimedia streams.
9. Classification device (CD) according to claim 8, wherein each said multimedia stream of said plurality of multimedia streams comprises a base multimedia stream and at least one enhancement multimedia stream; and in that said classification part (CP), is additionally adapted to classify said packets of said plurality of streams based on the importance of each of said multimedia streams.
10. Popularity monitoring device (PMD) for use in a system for forwarding packets of a plurality of Multimedia streams, said system comprising a multimedia source (MMS) adapted to forward said plurality of multimedia streams towards a plurality of multimedia endpoints (STB1 . . . STBX) over a communications network (CN) coupling said multimedia source (MMS) and said plurality of multimedia endpoints (STB1 . . . STB23) where said popularity monitoring device (PMD) comprises a monitoring part (MP), adapted to determine the usage of each of said multimedia streams.
11. Popularity monitoring device (PMD) according to claim 10, wherein said monitoring part (MP) is adapted to monitor the overall use at each multimedia endpoint of said plurality of multimedia endpoints (STB1, . . . STB23).
12. Popularity monitoring device (PMD) according to claim 10, wherein said monitoring part (MP) is adapted to determine said usage is based on statistics retrieved at an access network element (ANE1, ANE2).
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 method for manufacturing an activated carbon for use in an electric double-layer capacitor electrode, comprising the steps of:
grinding a carbon raw material to adjust an average particle diameter of the carbon raw material into a range of 1 \u03bcm to 15 \u03bcm;
mixing the carbon raw material whose average particle diameter has been adjusted, with an alkali activator to obtain a mixture; and
an activation treatment comprising heating the mixture under an atmosphere of an inert gas and then under an atmosphere of a mixed gas of the inert gas and water vapor.
2. The method for manufacturing the activated carbon for use in the electric double-layer capacitor electrode according to claim 1,
wherein the heating of the mixture comprises subjecting the mixture to temperature increase up to a temperature of 700\xb0 C. to 900\xb0 C. and then keeping the mixture at the temperature.
3. The method for manufacturing the activated carbon for use in the electric double-layer capacitor electrode according to claim 1,
wherein the water vapor is mixed into the inert gas under which the mixture has a temperature of 500\xb0 C. to 900\xb0 C.
4. The method for manufacturing the activated carbon for use in the electric double-layer capacitor electrode according to claim 1,
wherein the carbon raw material is a graphitizable carbon material.
5. The method for manufacturing the activated carbon for use in the electric double-layer capacitor electrode according to claim 1,
wherein the carbon raw material is a sintered material produced by sintering a graphitizable carbon material.
6. Activated carbon for use in an electric double-layer capacitor electrode, the carbon comprising:
a ratio \u03b1 of adsorption amounts in a range of 0.10\u2266\u03b1\u22660.22, in a nitrogen gas adsorption isotherm obtained by nitrogen gas adsorption at a liquid nitrogen temperature, the ratio \u03b1 being represented by the following equation (1):
\u03b1=(Va(0.385)\u2212Va(0.273))(Va(0.273)\u2212Va(0.01))\u2003\u2003(1),
wherein Va (0.01) represents a nitrogen gas adsorption amount at a relative pressure (pp0) of 0.01, Va (0.273) represents a nitrogen gas adsorption amount at a relative pressure (pp0) of 0.273, and Va (0.385) represents a nitrogen gas adsorption amount at a relative pressure (pp0) of 0.385, wherein p represents an adsorption equilibrium pressure and p0 represents a saturated vapor pressure;
an area \u03b2 of adsorptiondesorption hysteresis in a range of 1.5 cm3 (STP)g\u2266\u03b2\u22665.0 cm3 (STP)g, where STP means standard temperature and pressure, and wherein the area is obtained by a difference between the adsorption amount indicated by a nitrogen gas adsorption isotherm and a desorption amount indicated by a nitrogen gas desorption isotherm in a range of 0.273\u2266pp0\u22660.900; and
a specific surface area by a BET method of from 1500 m2g to 2300 m2g.