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| Number | Title | Issue Date |
| 7958534 | Systems and methods for increasing cable modem system bandwidth efficiency A cable modem termination system measures signal qualities of upstream transmissions associated with one or more cable modems. The system monitors the measured upstream signal qualities, and selectively commands at least one of the one or more cable modems to switch... | 06/07/2011 |
| 7870591 | Multipath data transmission system with transmission sequence identification of data packets for sequential reordering of received data packets A first communication apparatus includes a data transmission unit that sequentially transmits each data forming a data stream to any of a plurality of transmission paths along with additional information indicating transmission sequence of the each data. A second co... | 01/11/2011 |
| 7849488 | Video modem termination system and method Highly asymmetrical nature of digital video allows a single Cable Modem Termination System (CMTS) like device to support the transmission over a thousand individual high-quality IP packetized video data channels terminating into low cost cable modem units. A Video M... | 12/07/2010 |
| 7849489 | System and method for supporting extended protocols in a wireless communication system A cable modem system and method is provided for supporting data transfer protocols that extend beyond standard protocols used in conventional data over cable systems. A cable modem in accordance with the invention determines, during registration, whether a CMTS with... | 12/07/2010 |
| 7836478 | Ethernet port control method and apparatus of digital broadcasting system In an Ethernet port control method and apparatus of a digital broadcasting system, a head-end is caused to physically block functions of an Ethernet port disposed in a set-top box in order to prevent an unauthenticated device from accessing a cable modem termination... | 11/16/2010 |
| 7657915 | System for combining and splitting signal in a cable modem terminal system A system and method for splitting and combining signal in a Cable Modem Terminal Station (CMTS). This system uses a hierarchal approach to connect RF modules to PHY modules. A first splitter and combiner connects each N input in a module to each of N outputs. Each o... | 02/02/2010 |
| 7617517 | Cable modem including filtering based on frequency band In a Hybrid Fiber Coaxial (HFC) network using a Set Top Box (STB) or a cable modem, the cable STB or the cable modem includes respective High-Pass Filters (HPFs) having different passband frequencies to transmit an upstream signal from the cable STB or the cable mod... | 11/10/2009 |
| 7587746 | Methods and apparatus for enabling and disabling cable modem receiver circuitry Methods and apparatus for disabling and enabling the receiver circuitry of a cable modem connected to a cable network headend are described. The cable network headend transmits a message to the cable modem to disable the receiver circuitry when a cable network heade... | 09/08/2009 |
| 7549156 | Fast channel scanning and acquisition system and method for cable modem applications A programmable channel scanning and acquisition method for a cable modem first performs a fast scan and then a slow scan to identify channels supporting cable modem services. The fast scan involves only a check of the cable modem AGC lock. A list of potentially oper... | 06/16/2009 |
| 7490345 | Upstream only linecard with front end multiplexer for CMTS One or more upstream line cards each include a digital or analog multiplexer front end circuit for a Cable Modem Termination System. Each upstream line card has only upstream receivers and allows a CMTS to share one or more receiver chips to receive and recover data... | 02/10/2009 |
| 7487532 | Optimization of a full duplex wideband communications system Systems and methods are disclosed for a full duplex wideband communications system for a local (e.g. in-home) coaxial network. The system employs a Frequency-division duplex (FDD) scheme that allows identical wideband modems to communicate with each other. To achiev... | 02/03/2009 |
| 7469414 | Fast and reliable data carrier detection by a cable modem in a cable television plant Apparatus, methods, and computer program products for detecting or locating a viable data carrier in a downstream channel by a cable modem. Potential channels for data carriers can be eliminated quickly by going through a “screening” process, i.e., the first con... | 12/23/2008 |
| 7444418 | Transcoding multimedia information within a network communication system Multimedia information communicated between a transmitter and a receiver may be transcoded by intercepting the multimedia information within a network communication system. The available transmission rate of the downlink channel may be estimated by, for example, cal... | 10/28/2008 |
| 7443911 | Communication devices capable of using system clock inputs for embedded television applications According to one embodiment of the present invention, a device may receive one of multiple frequencies at a clock input of the device; determine which of the multiple frequencies is received; and generate at least one internal clock frequency for operation of the de... | 10/28/2008 |
| 7436792 | For-fee distribution of consumer-selected content items between different satellite radio service providers According to the invention, a subscriber to a first satellite radio service can be provided with an option to receive, over their current receiver unit, supplemental content, such as a particular show or channel, which is otherwise only available within a relevant j... | 10/14/2008 |
| 7433349 | Automatic compiling of address filter information Automatic compilation of address filter information permits a cable modem to route incoming data packets to destination devices. A cable modem uses address filter information, such as for example, a list of addresses of communication devices that have previously reg... | 10/07/2008 |
| 7429983 | Packet-based digital display system An all-digital display system includes an electronic processor that is operable to receive an internet protocol video packet and to generate a control signal based at least in part on the internet protocol video packet. In one particular embodiment, the electronic p... | 09/30/2008 |
| 7426744 | Method and system for flexible channel association A supervisory communications device, such as a headend device within a cable communications network, monitors and controls communications with a plurality of remote communications devices, such as cable modems, throughout a widely distributed network. The supervisor... | 09/16/2008 |
| 7389528 | Operating cable modems in a low power mode An apparatus may include a receiver configured to receive chunks of data on a downstream channel from a cable modem termination system. The receiver may be further configured to enter a low power state in which the chunks of data cannot be received. Wake up circuitr... | 06/17/2008 |
| 7389527 | Cable modem system and method for supporting extended protocols A cable modem system and method is provided for supporting data transfer protocols that extend beyond standard protocols used in conventional data over cable systems. A cable modem in accordance with the invention determines, during registration, whether a CMTS with... | 06/17/2008 |
| 7388870 | System and method for providing premium transport in a DOCSIS-compliant cable network A system and method for providing premium transport in a DOCSIS-compliant cable network. An edge server in a DOCSIS-compliant cable network maintains a list of preferred content providers (PCPs). For each PCP, the PCP list comprises matching criteria. The edge serve... | 06/17/2008 |
| 7380029 | Disk driver cluster management of time shift buffer A file allocation system for a hard disk drive includes a memory with driver logic and a processor configured with the driver logic to receive a request to allocate hard disk space of a defined size for a buffer file. In some embodiments, the processor is configured... | 05/27/2008 |
| 7372820 | System and method for striping delay-sensitive data over multiple bursty channels Embodiments of the present invention include a method for striping data comprising accessing data to be striped over a plurality of wireless channels, accessing time sensitivity information associated with the data and mapping the data to the plurality of wireless c... | 05/13/2008 |
| 7372872 | System and method for monitoring upstream and downstream transmissions in cable modern system A network monitor includes means for monitoring downstream traffic from a cable modem termination system (CMTS) to a cable modem (CM), means for monitoring upstream traffic from the CM to the CMTS, and means for identifying a data format used by the CMTS and the CM ... | 05/13/2008 |
| 7369617 | Multi-dimensional data interleaving communications system An interleaving operation can scramble (permute) a data stream, or each dimension (set of symbols (a, b, c, . . . )) in a data stream, immediately following FEC encoding or dimension multiplexing of the data stream. Bursts of errors might be combined with the permut... | 05/06/2008 |
| 7369827 | System and method for communicating stored power measurement parameters between devices in a communications system During tuner manufacture, the unique power parameters as a function of frequency and channel are stored on a memory unique to each tuner. When the tuner is subsequently incorporated into another device, such as a modem, the stored power parameters are made available... | 05/06/2008 |
| 7363648 | Cable modem tuner An IF input signal corresponding to a selected reception channel is applied through an SAW filter to an IF-AGC circuit, the amplitude of the signal is adjusted to a prescribed level, and the signal is thereafter supplied to a down converter unit. The down converter ... | 04/22/2008 |
| 7359333 | Approach for managing internet protocol telephony devices in networks An approach for managing IP telephony devices in a network generally involves associating physical and logical data with an IP telephony device using identification data that identifies the IP telephony device. The physical data specifies one or more attributes of h... | 04/15/2008 |
| 7360233 | Broadcast carousel system access for remote home communication terminal Systems and methods are disclosed for providing objects to a remote digital home communication terminal (remote DHCT) via a gateway device located at a customer premises. One such method, among others, includes receiving a message from a remote DHCT requesting a car... | 04/15/2008 |
| 7359332 | Enhanced DOCSIS upstream channel changes Enhanced DOCSIS upstream channel changes. A CMTS directs channel changing of a CM, sometimes between upstream data bursts. Logical channels, part of a single frequency channel, may be used, and the channel changing may be performed between those logical channels. Mu... | 04/15/2008 |
| 7356029 | IP data encapsulation and insertion in a transport multiplexer A system and method of multiplexing data into an MPEG transport stream are described. In particular, an IP packet is examined to determine if it is a multicast IP packet. If so, the IP packet is repackaged into one or more MPEG packets for transmission in the MPEG t... | 04/08/2008 |
| 7356602 | Method and apparatus for dynamically adjusting resources assigned to plurality of customers, for meeting service level agreements (SLAs) with minimal resources, and allowing common pools of resources to be used across plural customers on a demand basis A method (and system) for managing and controlling allocation and de-allocation of resources based on a guaranteed amount of resource and additional resources based on a best effort for a plurality of customers, includes dynamically allocating server resources for a... | 04/08/2008 |
| 7356605 | System and method for controlling delivery of streaming media A system and method for controlling delivery of streaming media include the capability to receive streaming media at an endpoint device at a first delivery rate and at the endpoint device, determine whether to adjust the first delivery rate and generate a command to... | 04/08/2008 |
| 7352853 | Automation of customer premises equipment provisioning in a telecommunications network A method of automation of subscriber customer premises equipment provisioning for use in a next generation telecommunications network. In one specific embodiment, the method involves receiving a service request from a network service provider that specifies a servic... | 04/01/2008 |
| 7353530 | Method and apparatus for assigning communication nodes to CMTS cards A method and apparatus for assigning nodes to CMTS cards in a communication system. In order to avoid bottlenecks and to efficiently use resources of the cards in a hybrid fiber-coax architecture, the nodes are assigned to the cards using linear programming techniqu... | 04/01/2008 |
| 7350225 | System and related methods facilitating the rapid detection and acquisition of data channels in a cable modem using various modulation techniques A method is presented comprising tuning a receiver of a broadband signal to a channel within the broadband signal to receive information including one or more cable modem operating parameters, and updating one or more operating parameters of the cable modem in accor... | 03/25/2008 |
| 7346918 | Intelligent device system and method for distribution of digital signals on a wideband signal distribution system A plurality of intelligent device systems for use with a wideband signal distribution network, and methods for transmitting digital information and receiving digital and non-digital information onto and off of an RF carrier through a wideband signal distribution net... | 03/18/2008 |
| 7340171 | FTTH system for broadcast/communication convergence using IEEE 1394 A broadcast/communication convergence system, and an FTTH (Fiber To The Home) system that can accommodate broadcast signals of various channels and variable band signals by converging broadcast and communication signals and transmitting the converged broadcast and c... | 03/04/2008 |
| 7339956 | System and method for the synchronization and distribution of telephony timing information in a cable modem network A method for synchronizing clocks in a packet transport network. The method comprises, receiving an external network clock at a central packet network node and transmitting timing information to a plurality of packet network devices, the timing information based upo... | 03/04/2008 |
| 7337238 | Information processing apparatus, information processing method, and medium storing therein program for executing the method An information processing apparatus that communicates with an external apparatus via a network is provided with a management unit, an obtaining unit, a discrimination unit, and a changing unit. The management unit manages fixed information and variable information o... | 02/26/2008 |
