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7623532 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...
7614074 Burst-mode digital transmitter  
A transmitter ( 305 ) for transmitting reverse optical signals in a broadband communications system ( 300 ) that includes a converter ( 320 ) for digitizing the analog RF signals and a...
7610608 Digital broadcast system in passive optical network  
Provided is a digital broadcast system that receives digital broadcast services on a passive optical network (PON). The data separator separates a signal input thereinto from the outside into an...
7596798 Apparatus and method for extending DOCSIS cable modem service over wireless links  
An apparatus and method are presented to allow the extension of a DOCSIS cable modem service over a wireless link. According to the invention a wireless hub transceiver is connected to a...
7596801 Single wire return device in a fiber to the home system  
Systems and methods are disclosed for providing reverse signals from a plurality of DHCTs to a downstream modulator that is located in the headend facility. The present invention includes a single...
7594249 Network interface device and broadband local area network using coaxial cable  
A local area network uses coaxial cable wiring for interconnection of terminal devices. A frequency selective network interface device is placed at the building point of entry or another point in...
7593638 Secure upstream transmission in passive optical networks  
A method and system for ensuring confidentiality of signal transmission in a point-to-multi point data transmission network like Ether net passive optical network, including at least one hub, at...
7577983 Cable television reverse amplifier  
A signal input port of a reverse amplifier is provided by an FIC connector, for direct connection to an F-port output of a forward amplifier, thereby eliminating the need for jumper cables. Also,...
7559076 Sample rate reduction in data communication receivers  
Sample rate reduction in data communication receivers. Digital sampling of analog data is performed using a reduced sample rate. The reduction factor may be any number of factors including a factor...
7538621 Broadband integrated tuner  
A broadband integrated receiver for receiving input signals and outputting composite video and audio signals is disclosed. The receiver employs an up-conversion mixer and a down-conversion mixer in...
7530091 VOIP drop amplifier  
The VOIP drop amplifier connects end user equipment to a broadband system, such as that provided by a cable provider. The amplifier includes a splitter for connecting the cable signal to multiple...
7509049 System for selectively combining satellite signals sent to a user through an optical fiber  
A method and apparatus are provided for transferring a plurality of satellite signals through an optical communication network. The method includes the steps of selecting a frequency of a local...
7489872 Optical fiber system and method for carrying both CATV and Ethernet signals  
The present invention is an optical fiber system and method for carrying both CATV and Ethernet signals. The digital signals are translated into higher band by a direct up/down conversion so that...
7484236 Service gateway for interactive television  
A service gateway provides a proxy between a client protocol and a plurality of standard communication protocols. The service gateway provides asymmetrical routing, data compression and encryption...
7466919 System for flexible multiple broadcast service delivery over a WDM passive optical network based on RF block-conversion, of RF service bands within wavelength bands  
A system and method for simultaneous delivery of a plurality of independent blocks of 500 MHz digital broadcast television services, stacking a plurality of RF blocks on a plurality of spectrally...
7457542 Optical access network system  
An optical access network system having a function of correcting upstream signal waveform distortions occurring in the PON section, wherein a central office side apparatus comprises a main...
7450850 Fiber and wire communication system  
This invention provides a new architecture for a communication system between head-ends and end-users which expands bandwidth and reliability of the communication system. A mux-node receives...
7451475 Method for delivery of narrow-cast data over digital broadcast channels  
Broadband multimedia system comprising a communication bus, a broad band multimedia router, connected to the communication bus, to a data router and further between a plurality of media sources and...
7451472 System and method to test network performance with impairments  
The upstream performance characteristics of a network are measured by looping a signal through both the downstream and upstream paths of the network. Test equipment may be located at a headend of...
7440702 Method for transmitting digital image signal, digital image transmitting device, digital image sending device and digital image receiver  
A multiplexer of a transmission section generates a clock signal by multiplying a reference clock signal of a digital image signal by a predetermined number ‘K’. A parallel digital image signal...
7434249 FTTH PON that O/E converts 1310 nm for output to transmitters for E/O as 1550 nm  
A fiber to the home (FTTH) system based on a passive optical network (PON) includes an optical line terminal (OLT) block, an optical network terminal (ONT) block, and an optical distribution...
7412169 FTTH system for convergence of broadcasting and communication through switched broadcasting  
A fiber to the home FTTH network for convergence of broadcasting and communication is disclosed. The network includes: an OLT for receiving and converting a first predetermined number of broadcast...
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...
7360234 System, method, and computer program product for selective filtering of objectionable content from a program  
A system, method, and computer program product is provided for the selective filtering of objectionable content from a program. The selective filtering of objectionable content from a program is...
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...
7333475 Switchboard for multiple data rate communication system  
A switchboard device and methods of operation of same are disclosed. Embodiments of the invention may provide a flexible means of interconnecting wideband and narrowband communications interfaces,...
7324167 High-quality twisted-pair transmission line system for high-resolution video  
A system comprising a first filter having an input and an output adapted to compensate for the characteristics of a first length of twisted-pair wire is disclosed. A first bypass path has an input...
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...
7295518 Broadband network for coaxial cable using multi-carrier modulation  
A broadband local area data network uses coaxial cable wiring for interconnection of terminal devices. Orthogonal frequency division multiplexing (OFDM) with bit loading is used to overcome channel...
7272847 System for return bandwidth minimization using selective sampling  
In a cable television system a system for supporting SCU return in FTTB-MDU and FTTC/FTTcab configurations. Fiber, baseband transceiver and networking capabilities are shared with data and voice...
7222358 Cable television return link system with high data-rate side-band communication channels  
A Cable Television (CATV) digital return link system that provides dedicated, high-speed, full-duplex and point-to-point connections between users and the head end system is disclosed. The CATV...
7209497 System and method for spectral node splitting in a hybrid fiber optic-coaxial cable network  
A system and method for spectral node splitting in cable TV network based on hybrid fiber-coax architecture is disclosed. Two-way optical signals carrying video and/or multimedia content are...
7126417 Distributed gain network  
A system and method for a distribution network is provided wherein cascaded power amplifiers with bypass switching are disposed along the branches of the network. The amplifiers may have an RF...
7117520 System and method for voice/data transmission over cable networks  
A wireless communications system comprises a first splitter separating at least two signals, a wireless circuit for processing a first signal as a wireless signal and a combiner connected to the...
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...
7088975 Automatic gain control system and method using multiple local AGC loops  
A receiver comprises a first Variable Gain Amplifier (VGA) that amplifies an input signal in accordance with a first gain to produce a first amplified signal. The first gain is controlled based on...
7089580 Method for improved cable modem ranging in a data-over-cable system  
Methods for improved cable modem ranging in a data-over-cable system. One method includes receiving a value that characterizes how equipment in the network is configured. Using this characteristic...
7086078 CATV directional component with signal reversing capability and method  
The present invention describes a directional CATV component, preferably a signal tap, having a housing frame where coaxial signal cable connections are made allowing for tap circuitry to be placed...
7047555 In-building CATV system, down-converter, up-converter and amplifier  
In order to correctly perform frequency conversion without using a pilot signal from an external system in a CATV system in which an upward signal is converted to a high frequency in-building...
7039941 Low distortion passthrough circuit arrangement for cable television set top converter terminals  
In a cable television converter terminal, NICAM signal passthrough is achieved using an alignment-free passthrough circuit including a NICAM SAW filter. The alignment-free passthrough circuit...
7039317 Reconfigurable node for a hybrid fiber cable network  
A reconfigurable node for a hybrid fiber cable network includes fiber slots housing a transmitter or receiver interfacing to a head end, coax slots housing an RF brick interfacing with subscribers...
7039942 Pad adjustable equalizer for two way cable transmission  
A forward signal equalizer for a forward amplifier for two-way coaxial cable systems, of the type having a distribution center distributing forward signals, and having reception facilities for...
7036140 Capacity scaling and functional element redistribution within an in-building coax cable internet access system  
A set of system configurations adapted to provide data communications to and from a set of client modems connected to one or more central modems through a tree and branch network such as exists in...
7024682 Software controlled multi-mode bi-directional communication device  
Disclosed are a method and bi-directional communication device, such as a cable modem, for iteratively performing the following steps for each of a plurality of communications channels until a...
7016362 System for and method of implementing wireless neighborhood area networks  
A communications system that receives information (e.g., TCP/IP-compatible audio, video, and data applications) from a high-speed wide-area network (e.g., an existing cable, DSL, or satellite...
7007296 Active cable modem outside customer premises servicing multiple customer premises  
A signal distribution system to save on the cost of cable modems for cable TV headend operators who wish to deliver broadband digital data services, DSL, video-on-demand or POTS service over their...
6990682 Two-way CATV system  
A two-way CATV system is easy of maintenance, stable of a transmission quality and capable of restraining inter-modulation distortion noises of downstream RF signal carriers which are caused by...
6978474 Media interface device  
A Residential Gateway (RG) for distributing video, data and telephone services to multiple devices within a residence is disclosed. The RG receives signals from a telecommunications network,...
6975640 Method and apparatus for transport of control information over a data link  
A method and associated apparatus for embedding control information in a data signal to be transmitted over a data link by a network node includes the generation of control information to be...
6973670 In-building CATV system, down-converter, up-converter and amplifier  
In an in-building CATV system in which an upward signal is frequency-converted to an in-building upward signal using an up-converter at a terminal side and the frequency-converted in-building...
Matches 1 - 50 out of 200 1 2 3 4 >