Cisco Technology, Inc.

Rgb Networks, Inc.

Other

Cisco Systems Inc.

Netspeed, Inc.

Clifford L Hall, Iii

John Francis McHale

Robert H Locklear, Jr

James R Sisk

Ronald Edgar Ham

Jason F McCullough

Brendon W Mills

Cuong T Nguyen

Richard Gene Washington

William Keith Brewer

Richard G Washingon

Gregory J Jackson

A method for processing media files includes receiving a request to download a first media file and, in response to receiving the request, generating a first signature that describes a first characteristic of the first media file. The method also includes determining whether the first signature matches any of a first plurality of stored signatures. The method also includes generating a second signature that describes a second characteristic of the first media file in response to determining that the first signature matches one of the first plurality of stored signatures. Additionally the method includes determining whether the second signature matches any of a second plurality of stored signatures and, in response to determining that the second signature matches one or more of the second plurality of stored signatures, denying the request to download the first media file.

System and method for monitoring content

A system for routing media content files having different format characteristics to a plurality of clients over a communication network includes a content translation router. The content translation router is capable of retrieving the content files. In addition, the content translation router includes processing modules for concurrently modifying content files having differing format characteristics to be compatible for transmission over the communication network for viewing at different ones of the clients.

System and method for processing content

A system for managing media files having different format characteristics includes a transcoder, a content store, and a plurality of clients. The content store is capable of storing a media file in a first format. The clients are each associated with one or more media file formats and capable of playing media files to users. The transcoder is capable of receiving a request identifying a media file from a first client and, in response to receiving the request, retrieving the media file from the content store in a first format. The transcoder is also operable of modifying the media file from the first format to a second format associated with the first client and, while modifying the media file from the first format to the second format, transmitting a modified portion of the media file to the first client.

System and method for managing content

A communication server (,) includes a plurality of pairs of frequency agile modulators (,) and demodulators (,) each set to operate at a unique frequency and associated with a twisted pair data line (,). The communication server (,) also includes a plurality of pairs of demodulators (,) and modulators (,) that each have a designatable operation frequency and are associated with one of a plurality of XDSL modems (,). A mixer (,) operates to combine signals from the frequency agile modulators (,) and provide the combined signal to the demodulators (,). The mixer (,) further operates to combine signals from the modulators (,) and provide the combined signal to the frequency agile demodulators (,). A detector (,) operates to detect a need for data service on a selected twisted pair data line (,). The controller (,) then operates to couple the selected twisted pair data line (,) to the selected XDSL modem (,) by designating the demodulator (,) and modulator (,) pair associated with the selected XDSL modem (,) to operate at the unique frequency of the frequency agile modulator (,) and demodulator (,) associated with the selected twisted pair data line (,).

Communication server apparatus using frequency multiplexing and method

A communication server includes a modem pool (,) that comprises a plurality of XDSL modems (,). The communication server also includes a plurality of line interface modules (,). Each line interface module (,) has a plurality of inputs each coupled to a twisted pair data line and has a plurality of outputs each coupled to one of the XDSL modems (,). Each line interface module (,) operates to detect a need for data service on a requesting twisted pair data line and to couple the requesting twisted pair data line to an output associated with a selected XDSL modem (,). A controller (,) is coupled to the XDSL modems (,) and to the plurality of line interface modules (,). The controller (,) operates to select one of the XDSL modems (,) in response to a detected need for data service. The controller (,) further operates to direct the line interface module (,) to which a requesting twisted pair data line is coupled to couple the requesting twisted pair data line to the output associated with the selected XDSL modem (,).

Communication server apparatus having distributed switching and method

A communication server (58) is provided that includes a plurality of line interface units (500) each coupled to an associated twisted pair data line (54) and to an associated receive data pair (506) and transmit data pair (504). A plurality of XDSL modems (510) are coupled to associated modem receive data pairs (514) and transmit data pairs (512). A switch (502) operates to couple a selected subset of the receive data pairs (506) and transmit data pairs (504) of the line interface units (500) to the modem receive data pairs (514) and transmit data pairs (512) of the XDSL modems (510). A detector (508) operates to detect a need for data service on a receive data pair (506) of a selected line interface unit (500). A controller (80) operates to select one of the XDSL modems (510) in response to detecting the need for data service and to direct the switch (502) to couple the receive data pair (506) and transmit data pair (504) of the selected line interface unit (500) to the modem receive data pair (514) and transmit data pair (512) of the selected XDSL modem (510).

Communication server apparatus having four-wire switching interface and

A communication server (700) is disclosed and includes a plurality of XDSL transceiver units (710) and a plurality of line interface modules (702). Each line interface module (702) has a plurality of inputs each coupled to a twisted pair data line. Each line interface module (702) also has a plurality of outputs each associated with one of the XDSL transceiver units (710). Each line interface (702) is operable to couple a requesting twisted pair data line to an output associated with a selected XDSL transceiver unit (710). The communication server (700) also includes a network interface (714) that has a plurality of inputs coupled to associated XDSL transceiver units (710). The communication server (700) further includes a system controller (712) coupled to the XDSL transceiver units (710), to the plurality of line interface modules (702) and to the network interface (714). The system controller (712) is operable to select an available XDSL transceiver unit (710) in response to a detected request for data service and to direct the line interface module (702), to which the twisted pair data line requesting data service is coupled, to connect the requesting twisted pair data line to the selected XDSL transceiver unit (710).

Communication server apparatus and method

A communication server (58) using digital signal switching is provided. A plurality of twisted pair subscriber lines are split into twisted pair data lines (54) and twisted pair phone lines (52). Analog signals received on the twisted pair data lines (54) are converted into incoming parallel digital words and outgoing parallel digital words are converted into analog signals for transmission on the twisted pair data lines (54) using first converters (614) coupled to each twisted pair data line (54). The incoming parallel digital words are converted into incoming serial bit streams and outgoing serial bit streams are converted into the outgoing parallel digital words using second converters (616) coupled to the first converters (614). A need for data service is detected on a selected twisted pair data line (54), and one of the XDSL modems (620) is selected in response to detecting the need for data service. The selected XDSL modem (620) is then coupled to a second converter (616) associated with the selected twisted pair data line (54) where the selected XDSL modem (620) receives the incoming serial bit stream from and provides the outgoing serial bit stream to the associated second converter (616).

Communication server apparatus using digital signal switching and method

A communication server includes a modem pool (652) that comprises a plurality of XDSL modems (660). The communication server also includes a plurality of line interface modules (650). Each line interface module (650) has a plurality of inputs each coupled to a twisted pair data line and has a plurality of outputs each coupled to one of the XDSL modems (660). Each line interface module (650) operates to detect a need for data service on a requesting twisted pair data line and to couple the requesting twisted pair data line to an output associated with a selected XDSL modem (660). A controller (653) is coupled to the XDSL modems (660) and to the plurality of line interface modules (650). The controller (653) operates to select one of the XDSL modems (660) in response to a detected need for data service. The controller (653) further operates to direct the line interface module (650) to which a requesting twisted pair data line is coupled to couple the requesting twisted pair data line to the output associated with the selected XDSL modem (660).

A communication server (58) includes a plurality of pairs of frequency agile modulators (638) and demodulators (640) each set to operate at a unique frequency and associated with a twisted pair data line (54). The communication server (58) also includes a plurality of pairs of demodulators (644) and modulators (646) that each have a designatable operation frequency and are associated with one of a plurality of XDSL modems (648). A mixer (642) operates to combine signals from the frequency agile modulators (638) and provide the combined signal to the demodulators (644). The mixer (642) further operates to combine signals from the modulators (646) and provide the combined signal to the frequency agile demodulators (640). A detector (634) operates to detect a need for data service on a selected twisted pair data line (54). The controller (636) then operates to couple the selected twisted pair data line (54) to the selected XDSL modem (648) by designating the demodulator (644) and modulator (646) pair associated with the selected XDSL modem (648) to operate at the unique frequency of the frequency agile modulator (638) and demodulator (640) associated with the selected twisted pair data line (54).

Growing community of inventors

Austin, TX, United States of America

Clifford L Hall, Iii