Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 7810127 | System and method for evaluating the operational status of a STB in a cable network An STB analysis system comprises an STB checker client and an STB analysis server. The STB checker client comprises an STB query interface to communicate with the STB analysis server to acquire information indicative of the operational status of an STB and to displa... | 10/05/2010 |
| 7765576 | Changing communication mode in a CATV pathway using mute commands A cable node and a cable hub that communicate on a CATV network are configured to switch communication modes without signal loss or degradation due to delays in switching communication modes. In particular, a cable node sends one or more mute commands in an outgoing... | 07/27/2010 |
| 7669224 | ONU and method for converting/combining frequency, and apparatus and method for converting/combining frequency in CATV headend system Provided is an outdoor optical node unit (ONU) and method for converting/combining frequencies, and an apparatus and method for converting/combining frequencies in a cable television headend system. The optical node unit (ONU) includes: a downstream optic-to-electri... | 02/23/2010 |
| 7657919 | Single wire return device including a QAM modulator for downstream IP signals Systems and methods are disclosed for receiving IP video and audio signals at a subscriber's premises. A QAM modulator then modulates the IP signals and provides the modulated signals to a conventional digital home communications terminal (DHCT). Accordingly, conven... | 02/02/2010 |
| 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 carrier-detect circuit (330) coupled to the converter (3... | 11/03/2009 |
| 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 wire return device (SWRD) that receives RF modulated signals, dynamic... | 09/29/2009 |
| 7543328 | Method and system for providing an efficient use of broadband network resources A hybrid fiber coax (HFC) network management method and system for use in a broadband network having a hybrid fiber coax (HFC) network provided with network elements operable for communicating telephony, data, and video signals with customer-premises equipment (CPE)... | 06/02/2009 |
| 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 is converted into a serial digital signal on the basis of the clock ... | 10/21/2008 |
| 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 network (ODN). The ONT block includes a video-optical line terminal (V-OLT)... | 10/07/2008 |
| 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 signals and an Ethernet signal into a plurality of converted optical ... | 08/12/2008 |
| 7394985 | Wavelength access server (WAS) architecture A wavelength access server (WAS) architecture provides aggregation of traffic streams of diverse data communication protocols as well as provision of wavelength resources in an optical transport network. The WAS provides functions such as service traffic adaptation,... | 07/01/2008 |
| 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 |
| 7382981 | Digital optical transmitter A cable television system (100) having forward and reverse paths includes, in the reverse path, a digital optical transmitter (200) for receiving an RF signal, converting it to a digital signal, and adding a digital pilot tone thereto. A laser is drive... | 06/03/2008 |
| 7372874 | Method and device for synchronisation in OFDM A method of synchronising an Orthogonal Frequency Division Multiplexed (OFDM) IEEE 802.11a data packet at a receiver is disclosed. The 802.11a data packet has a series of short training sequence (STS) symbols as a preamble. Cross-correlation at the receiver of the S... | 05/13/2008 |
| 7352967 | Data transmission system A data transmission system includes subscriber units and a central office unit which are interconnected via optical fibers. The central office unit multiplexes a video signal with signals other than the video signal to deliver them to the multiple subscriber units. ... | 04/01/2008 |
| 7353004 | Multi-channel broadband content distribution system The system of a content head end of a distribution system includes a program multiplexer, a multi-channel modulating module, a channel multiplexer, a digital-to-analog converter and a frequency block-up converter, all arranged in a sequential configuration. Packets ... | 04/01/2008 |
| 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 |
| 7336680 | Multi-carrier frequency-division multiplexing (FDM) architecture for high speed digital service An architecture for providing high-speed access over frequency-division multiplexed (FDM) channels allows transmission of ethernet frames and/or other data across a cable transmission network or other form of FDM transport. The architecture involves downstream and u... | 02/26/2008 |
| 7333726 | Method and system for supporting multiple service providers within a single optical network Analog video signals are communicated from multiple service providers to subscribers by using analog optical carriers. Unlike digital optical carriers that typically support data services or IP TV, analog optical carriers that can be demodulated or translated back i... | 02/19/2008 |
| 7332234 | Optoelectronic device capable of participating in in-band traffic An optoelectronic device that has a network address (e.g., IF address) and participates in in-band traffic for purposes of performing functions (e.g., network diagnostics, network control, network provisioning, fault isolation, etc.) that are traditionally performed... | 02/19/2008 |
| 7324631 | Method and apparatus for delivering secured telephony service in a hybrid coaxial cable network A hybrid coaxial cable network employing interdiction to ensure privacy in telephony communications. The video and telephony signals are secured such that telephony and interactive video signals to and from a subscriber do not appear on the network at any other unde... | 01/29/2008 |
| 7301909 | Trouble-ticket generation in network management environment The automatic generation and storage of bundled error messages indicative of fault conditions of one or more managed networks is disclosed. The error messages may provide more complete information relating to the managed networks such as information indicative of a ... | 11/27/2007 |
| 7286761 | Method of 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 sliced WDM optical bands. The method for delivering a plurality of vid... | 10/23/2007 |
| 7284260 | Method and apparatus for bit vector array A bit vector array apparatus provides a high speed method for processing network transmission controls. Complex data structures for controlling network access are represented in the simplest possible form as single bit vector elements. The bit vector elements are co... | 10/16/2007 |
| 7283481 | Auto detection of copper and fiber mode Methods and systems for operating a physical layer device (“PHY”) in an Ethernet network include methods and systems for detecting active link partners and for selecting a mode of operation based on detected active link partners. The PHY monitors fiber link medi... | 10/16/2007 |
| 7283479 | Cable TV system or other similar communication system A cable TV system, which is arranged to permit a transmission of signals in the return direction from local networks (10), included in the system, to a head end (11) of the system within a predetermined carrier frequency band, serving for the transmiss... | 10/16/2007 |
| 7280479 | State machine for providing dynamic quality of service in a cable network A cable modem termination system includes a data over cable service interface specification (DOCSIS) subsystem that manages a flow associated with a gate and a gate manager (GM) that manages a state of the gate. When the flow is admitted by the DOCSIS subsystem, the... | 10/09/2007 |
| 7277680 | Multi-channel broadband content distribution system The system of a content head end of a distribution system includes a program multiplexer, a multi-channel modulating module, a channel multiplexer, a digital-to-analog converter and a frequency block-up converter, all arranged in a sequential configuration. Packets ... | 10/02/2007 |
| 7272778 | Method and systems for improving test of data transmission in multi-channel systems A method and systems to test a communication system (200) comprising a plurality of emitters (205), receivers (210) and channels (220) are disclosed. According to the method of the invention the data used for the test are preprocessed so ... | 09/18/2007 |
| 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 portions of the system for enabling communication from the SCUs to the ... | 09/18/2007 |
| 7272199 | Adaptive adjustment of time and frequency domain equalizers in communications systems An update mechanism and approach are provided for configuring a communications receiver. According to the approach, a time domain equalizer and a frequency domain equalizer in a communications receiver are dynamically updated based upon performance data that indicat... | 09/18/2007 |
| 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 |
| 7254330 | Single fiber passive optical network wavelength division multiplex overlay A single fiber passive optical network (PON) wavelength division multiplex (WDM) overlay includes a central office, a fiber optic network, and a plurality of optical network termination (ONT) units. The central office has a baseline optical link that receives a base... | 08/07/2007 |
| 7242868 | System and method for performing high-speed communications over fiber optical networks Processing a received optical signal in an optical communication network includes equalizing a received optical signal to provide an equalized signal, demodulating the equalized signal according to an m-ary modulation format to provide a demodulated signal, decoding... | 07/10/2007 |
| 7231655 | Technique for reverse transport of data in a hybrid fiber coax cable system In a hybrid fiber coax (HFC) cable system, data is communicated upstream from user terminals to a headend of the system to realize various interactive services. The user terminals generate analog modulated signals representing the user data, which populate different... | 06/12/2007 |
| 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 |
| 7222255 | System and method for network performance testing A system and method for network performance testing are developed. One system includes a control network device configured to send network test performance settings configure at least one data generator and network switches so that each data generator sends test dat... | 05/22/2007 |
| 7222155 | Synchronous updating of dynamic interactive applications An automation server interfaces with broadcast scheduling systems of various types to automatically synchronize the behavior of interactive applications relative to various broadcast programs, such as television shows and commercials, so as to maintain the appropria... | 05/22/2007 |
| 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 digital return link system includes return path transmitters, intermedia... | 05/22/2007 |
| 7209442 | Packet fiber node A packet fiber node is described for use in an access network such as, for example, a cable network. The packet fiber node may differ from convention RF fiber nodes deployed in a cable network in that the packet fiber node is configured to communicate with the Head ... | 04/24/2007 |
