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| Number | Title | Issue Date |
| 8141121 | Method and system for communicating information between a point of distribution and a plurality of subscriber destinations via a hybrid fiber coax delivery plant A communication system for distributing information via a network to one or more subscribers includes a multi-port switch, one or more radio frequency (RF) modems coupled to respective ports of the switch, a combiner and a transmitter. The switch forwards source inf... | 03/20/2012 |
| 8117638 | System and method for improved multi-stream multimedia transmission and processing A method for efficiently transmitting several multimedia streams to one or more multimedia receivers comprises transmitting a first plurality of channels within a first plurality of frequency blocks having a first frequency range, said first frequency range being th... | 02/14/2012 |
| 7657918 | System for interactively distributing information services An interactive information distribution system includes service provider equipment for generating an information stream that is coupled to an information channel and transmitted to subscriber equipment. The service provider also generates a command signal that is co... | 02/02/2010 |
| 7584498 | Method and apparatus for enhanced cable modem operation A channel search algorithm is provided for application at a receiving end of a data transmission channel. In the operation of the data transmission channel, information is transmitted by modulation of an RF carrier and the modulation includes an encoding of informat... | 09/01/2009 |
| 7406103 | Method and apparatus for transmitting data in Gigabit Ethernet passive optical network A method and apparatus for transmitting data from an optical network unit (ONU) to an optical line termination (OLT) in a Gigabit Ethernet passive optical network (GE-PON) on the basis of a time division multiple access (TDMA) scheme are provided. A measurement of a... | 07/29/2008 |
| 7373414 | Multi-media system and method for simultaneously delivering multi-media data to multiple destinations A multimedia system and method that provides easy universal text searching for non-technical users, is disclosed. A configuration of the multimedia system and method of the present invention also facilitates content delivery through multiple, independent, simultaneo... | 05/13/2008 |
| 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 |
| 7360230 | Overlay management A method of personalizing a broadcast channel, comprising: receiving an input from a user (110); and personalizing the broadcast channel; and transmitting the personalized broadcast channel to the user using a compressed video transport method. Preferably, co... | 04/15/2008 |
| 7356321 | Radio frequency tuner A radio frequency tuner is provided for selecting channels from a cable distribution network or other reception system. The tuner has one or more stages whose performance, such as signal to noise plus intermodulation, and gain are functions of the stage power consum... | 04/08/2008 |
| 7349430 | Addressing scheme implemented in access networks An improved addressing scheme is disclosed for use in access networks. According to a specific embodiment, upstream and/or downstream channels may be grouped together based upon logical associations rather than physical associations. Further, according to at least o... | 03/25/2008 |
| 7349436 | Systems and methods for high-throughput wideband wireless local area network communications A frame format provides for wideband wireless local area network communications and informs narrower-band communication units when the channels are occupied by wider-band communication units. In some embodiments, the frame format includes a channelization field iden... | 03/25/2008 |
| 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 |
| 7310352 | Context-dependent scheduling through the use of anticipated grants for broadband communication systems A method of scheduling upstream bandwidth. This method comprises: 1) anticipating the need for the upstream bandwidth in advance of any specific request for said upstream bandwidth; and 2) scheduling the upstream bandwidth in accordance with such need. ... | 12/18/2007 |
| 7305357 | Method and system for providing and controlling delivery of content on-demand over a cable television network and a data network A system and method for delivering content on-demand by way of a cable network are disclosed. Provision of such content is controlled over a data network. Advantageously, a user interface at a conventional computing device may be used to order content and to control... | 12/04/2007 |
| 7305460 | Initialization file downloading apparatus and method of cable modem An initialization file download method of a cable modem includes the steps of: registering configuration file name information in a DHCP server; receiving the configuration file name information registered in the DHCP server; comparing the received first configurati... | 12/04/2007 |
| 7289482 | Method of controlling connection between nodes in digital interface A method of controlling connection between nodes in a digital interface whereby a first node that is a master node determines a second node to be the master and controls a point-to-point connection or a broadcast connection to another node. The first node having the... | 10/30/2007 |
| 7269350 | System and method for communicating optical signals between a data service provider and subscribers An optical fiber network can include an outdoor laser transceiver node that can be positioned in close proximity to the subscribers of an optical fiber network. The outdoor laser transceiver node does not require active cooling and heating devices that control the t... | 09/11/2007 |
| 7264157 | Area-based content delivery method and system A content usage right issuing terminal (2) issues a content usage right to a portable terminal (3) of a user who visits a store. In response to a request from the portable terminal (3) that has the content usage right, an in-store server (1 | 09/04/2007 |
| 7263713 | Television signal distributor apparatus, receiver apparatus, television signal transmission system and method In a television signal transmission system, CS broadcasting signals received via a master antenna are converted into intermediate frequency signals in an LNB (Low Noise Block Down Converter). The CS intermediate frequency signals then undergo conversion of the modul... | 08/28/2007 |
| 7251232 | Point-controlled contention arbitration in multiple access wireless LANs A method providing quality of service during a contention period. A tiered access protocol enables an Access Point to act as a channel arbitrator and gain control a channel during a contention period. The Enhanced Access Point waits a specified amount of time after ... | 07/31/2007 |
| 7245628 | Allocation of upstream bandwidth in an ethernet passive optical network A passive optical network (PON) in accordance with the invention uses a superframe having a number of subframes arranged in a two-dimensional array, wherein for normal data transfer subframes are allocated to each optical network unit (ONU) column by column, left to... | 07/17/2007 |
| 7242694 | Use of group poll scheduling for broadband communication systems A group poll mechanism (GPM) that schedules upstream bandwidth for cable modems by pointing a request opportunity normally reserved for a single service flow to more than one service flow. Essentially, instead of using the seldom-used poll requests one per service f... | 07/10/2007 |
| 7227871 | Method and system for real-time change of slot duration 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, including the ... | 06/05/2007 |
| 7225236 | Load balancing between LNSs using virtual LNS with minimal LAC configuration A system for load balancing, the system includes a LAC, a contact LNS, and a plurality of load balancing LNSs. The LAC includes a contact LNS address, the contact LNS address specifies the address of a contact LNS. The contact LNS is communicatively coupled to the L... | 05/29/2007 |
| 7206031 | Receiver In a receiver, when a channel is registered on the channel map 15, the receiver 1 registers the channel by the unit of a physical channel, and when a channel is deleted from the channel map 15, the receiver 1 deletes the channel by the un... | 04/17/2007 |
| 7203953 | Method and apparatus for two-way internet access over a CATV network with channel tracking Internet access is provided over a digital cable television system using Internet protocol (IP) over MPEG digital video. Simultaneous Internet access and TV viewing is provided by an IP over MPEG-2 video system with channel tracking. Whenever a video channel change ... | 04/10/2007 |
| 7197205 | Deep fiber network with high speed data and video on demand A communication system for providing high speed data services to a subscriber using optical fibers comprises a first optical interface unit (OIU) and a second OIU. The first OIU transmits optical representations of signals from an electrical communication path to th... | 03/27/2007 |
| 7184393 | Method and apparatus for multiuser access in a multicarrier modulation network A multiple access system for a network using multicarrier modulation. To contend for service a subscriber station selects an upcoming frame in whose contention window it will contend, selects a contention slot within the window, selects a contention channel correspo... | 02/27/2007 |
| 7184775 | Telecommunication system in which each terminal includes a plurality of connections A telecommunication system in which a plurality of terminals communicate with a base station or a connection station and a management unit determines the allocation of resources for calls from each terminal to the connection station. At least some of the terminals i... | 02/27/2007 |
| 7177324 | Network having bandwidth sharing A communication system includes a plurality of devices, such as cable modems, in communication with a station, such as a cable modem termination system, that provides efficient upstream bandwidth sharing. ... | 02/13/2007 |
| 7174374 | Multi-priority media access control method for multi-channel slotted ring networks The present invention discloses a multi-priority media access control method for a multi-channel slotted ring network. In the slotted ring networks, each node has one tunable transmitter and one fixed receiver for data channels, and is able to inspect slot status on... | 02/06/2007 |
| 7161988 | Method and apparatus for minimizing co-channel interference An approach is provided for minimizing co-channel interference in a communication system is disclosed. A header of a first frame is scrambled based on a first unique word. A header of a second frame is scrambled based on a second unique word. The first frame includi... | 01/09/2007 |
| 7151411 | Amplifier system and method An embodiment of the present invention provides an amplifier system, comprising at least one variable impedance matching network, the output of which provides the input to at least one amplifier stage or provides an output of the power amplifier itself, and a bias n... | 12/19/2006 |
| 7149223 | Enhanced fiber nodes with CMTS capability Enhanced Cable Modem Termination System (CMTS) functionality, including programmable digital domain modulators and demodulators for dynamic channel assignment, is incorporated into Fiber Nodes (FNs) or mini Fiber Nodes (mFNs), yielding enhanced Fiber Nodes (eFNs). T... | 12/12/2006 |
| 7145888 | Explicit congestion notification for DOCSIS based broadband communication systems Satellite communications are carried out using the Data Over Cable Interface Specification (DOCSIS). Satellite modems are notified of upstream channel congestion by inserting a congestion notification message in a medium access protocol (MAP) message for the upstrea... | 12/05/2006 |
| 7127678 | System and method to specify device specific user interface information in the firmware of a USB device The described system and procedure provide for storing device-specific UI information into firmware on a USB device. Responsive to receiving a host specific device request, the USB device communicates the device specific information to a requester such as an operati... | 10/24/2006 |
| 7111314 | Technique for delivering entertainment programming content including interactive features in a communications network In delivering an entertainment program over a communications network, e.g., a cable TV network, interactive application data for realizing interactive features in the entertainment program are interjected into the program stream carrying the entertainment program on... | 09/19/2006 |
| 7093276 | CATV trunk amplifier, upward signal amplifier, and bi-directional CATV system In a CATV trunk amplifier, a downward signal input to an input terminal from the center equipment side is input to a downward amplifying circuit via a first filter and a second filter. The amplified downward signal is output to the terminal device side via the secon... | 08/15/2006 |
| 7092044 | Digital broadcasting receiver A digital broadcasting receiver that uses a channel map containing broadcast information such as channel numbers and virtual channel numbers is described. When a user selects a certain digital channel number, a control unit consisting of a CPU makes a search as to w... | 08/15/2006 |
| 7086082 | Implementation of delay-critical services in a cable television system For transmitting delay-critical data in a digital, time division form in an additional channel of a cable television system, the slots of the channel are further divided into smaller mini slots, for the indication of which the same cyclic indication is used as with ... | 08/01/2006 |
