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| Number | Title | Issue Date |
| 8018872 | Method and apparatus for mitigating layer-2 looping in home networking applications Embodiments of the invention generally provide a method and apparatus for mitigating layer-2 loops in home networking applications. One embodiment of a method for mitigating layer-2 loops in a network includes detecting a loop between a first terminal in the network... | 09/13/2011 |
| 8006101 | Radio transceiver or other encryption device having secure tamper-detection module An encryption device includes a system processor having a first key for encrypting information. The system processor periodically generates random data strings that are also encrypted using the first key. The encryption device also includes a first output for commun... | 08/23/2011 |
| 7991813 | Methods and systems for efficient filtering of digital signals A method in a signal processor for filtering samples in a digital signal is provided. An approximate filtered sample is generated as a function of four samples of the digital signal. A correction is generated as a function of the four samples, and a filtered sample ... | 08/02/2011 |
| 7974404 | Parallel split powering A system for providing power to a network interface device (NID) includes a primary power supply device (PPSD), a battery backup device (BBD), and an electrical bus connecting the PPSD, the BBD, and the NID in parallel. The PPSD is operable to power the NID. The BBD... | 07/05/2011 |
| 7973721 | Mechanically integrated cable mesh antenna system Embodiments of the invention generally provide a mechanically integrated cable mesh antenna system. One embodiment of a wireless access device for a network includes a housing having at least one rib, beam forming electronics supported by the housing, and at least o... | 07/05/2011 |
| 7953678 | Automatic configuration and control of devices using metadata Particular embodiments generally relate to automatically controlling an item. For example, items may include electronic devices, such as televisions, lights, etc, and/or virtual devices, such as applications, etc. In one embodiment, items may be configured using met... | 05/31/2011 |
| 7948903 | Voice-aided diagnostic for voice over internet protocol (VOIP) based device A method and apparatus are provided for using voice commands to invoke a mode of operation of a broadband network device used in a broadband communication network implemented with VOIP, such as a communication gateway. The user can interface interactively with the d... | 05/24/2011 |
| 7920795 | Method and apparatus for transmitting multiple channels in a wavelength division multiplexed (WDM) optical communication system with reduced raman crosstalk and nonlinear distortions A method and apparatus is provided for transmitting a WDM optical signal. The method begins by modulating an odd number of optical channels that are each located at a different wavelength from one another with (1) a respective one of a plurality of information-beari... | 04/05/2011 |
| 7920623 | Method and apparatus for simultaneous display of multiple audio/video programs transmitted over a digital link Simultaneous display of multiple audio/video (AV) programs transmitted over a digital link is described. At a source device, at least one non-composited digital transport stream is generated from the plurality of AV programs. The at least one non-composited digital ... | 04/05/2011 |
| 7916811 | Method and apparatus for improved burst acquisition in a digital receiver A method for improving burst acquisition in a receiver includes receiving a signal, and performing a sync word search on the signal, wherein the sync word search includes performing a hybrid synchronization technique, the hybrid synchronization technique including b... | 03/29/2011 |
| 7911946 | Method and apparatuses for using packet data to manage a data stream in a broadband communications system A method (400) for managing a data stream (30) encoded according to a digital transmission protocol and configured for broadcasting to a consumer network device (14) within a broadband communications network (10). A message relating to th... | 03/22/2011 |
| 7908475 | Method and apparatus for transferring a communicaton session Session Inter-Device (SID) mobility networks (50, 100, 150) are described in which a seamless transfer of a communication session from a first device (56, 106, 116) to a second device (66, 116, 166) can be achieved without interrupting the activ... | 03/15/2011 |
| 7904050 | Mixer apparatus having switchable local oscillator inputs A mixer apparatus (60), such as an integrated circuit (IC) mixer is provided for improving the physical layout of devices containing mixers. The mixer includes a multiplier (62) with an input port (64), an output port (66), a first switch... | 03/08/2011 |
| 7894355 | Method for enabling non-predetermined testing of network using IP measurement protocol packets The practice and need for active network measurement is well established, however, current tools are not well suited to this task, mostly because the protocols which they employ have not been designed for measurement of the modern Internet. The IP Measurement Protoc... | 02/22/2011 |
| 7889721 | Selecting an adaptor mode and communicating data based on the selected adaptor mode A device selects a mode and communicates data based on the selected mode. The device comprises at least one interface circuit configured to monitor analog audio signals from a customer premise equipment device and a processor circuit. The processor circuit assigns a... | 02/15/2011 |
| 7881214 | Method for performing remote testing of network using IP measurement protocol packets The practice and need for active network measurement is well established, however, current tools are not well suited to this task, mostly because the protocols which they employ have not been designed for measurement of the modem Internet. The IP Measurement Protoco... | 02/01/2011 |
| 7877064 | Methods, apparatus and systems for terrestrial wireless broadcast of digital data to stationary receivers The present invention provides methods, apparatus and systems for delivery of digital data to stationary receivers over a terrestrial wireless link at a low data rate using a new coded orthogonal frequency division multiplexing (COFDM) scheme. Digital data is encode... | 01/25/2011 |
| 7876697 | Method and apparatus for characterizing modulation schemes in an HFC network The available modulation schemes of a network are analyzed to determine which ones contain excessive phase noise or narrowband interference. A network element is selected and assigned to a test channel at a first modulation scheme at a predetermined power level to a... | 01/25/2011 |
| 7873285 | Anti clipping circuit for laser transmitters This anti clipping circuit is for a laser transmitter used to transmit sub-carrier multiplexed signals for CATV applications. The circuit design is based on actual clipping measurements showing the specific time and duration of the clipping events is random. The ind... | 01/18/2011 |
| 7865723 | Method and apparatus for multicast delivery of program information Method and apparatus providing program information to client devices for at least one multicast stream of digital content is described. In one embodiment, session description messages for the at least one multicast stream of digital content are generated. Each of th... | 01/04/2011 |
| 7860002 | Priority-based admission control in a network with variable channel data rates A method for priority-based admission control in a network, comprises receiving an admission request for transmitting an information flow to a network through a communication channel and determining an admissible region within a range of a channel data rate of a com... | 12/28/2010 |
| 7856222 | Integrated balun and coupler transformer Integrated balun and coupler is described. In one example, a radio frequency (RF) device includes a balun and coupler. The balun includes a first winding and a second winding arranged on a magnetic core. Respective inputs of the first winding and the second winding ... | 12/21/2010 |
| 7843824 | Method and apparatus for statistically multiplexing services One aspect of the invention relates to statistically multiplexing first services and second services in a group. A measure of required bandwidth for the first services is obtained, where the first services comprise pre-encoded services. An available encoding bandwid... | 11/30/2010 |
| 7843489 | Maintaining continuous film mode with bad edits A method for editing spliced-together video comprising a cut-out sequence followed by a cut-in sequence, both being in 3:2 pull-down format. A bad edit is detected, and either a number of contiguous frames at the end of the cut-out sequence and/or a number of contig... | 11/30/2010 |
| 7840119 | Methods and apparatus for processing progressive I-slice refreshed MPEG data streams to enable trick play mode features on a display device A display device with personal versatile recorder capabilities is provided which is capable of processing progressive I-slice refreshed MPEG data streams to enable trick play mode features. The display device comprises a receiver for receiving a progressive I-slice ... | 11/23/2010 |
| 7839931 | Picture level adaptive frame/field coding for digital video content A method and system of encoding and decoding digital video content. The digital video content comprises a stream of pictures which can each be intra, predicted, or bi-predicted pictures. Each of the pictures comprises macroblocks that can be further divided into sma... | 11/23/2010 |
| 7831887 | Method and apparatus for using long forward error correcting codes in a content distribution system Method and apparatus for using long FEC codes in a content distribution system is described. One aspect of the invention relates to encoding frames of content. Each frame is partitioned into un-coded bits and bits to be encoded. For each frame, an FEC code is applie... | 11/09/2010 |
| 7826467 | Method and a system for discarding data packets in a packetized network A system for hierarchically storing packetized data and transferring the packetized data includes an input configured to receive packets of data, a memory coupled to the input and configured to store packets of data, an output coupled to the memory and configured to... | 11/02/2010 |
| 7817718 | Macroblock level adaptive frame/field coding for digital video content A method and system of encoding and decoding digital video content. The digital video content comprises a stream of pictures which can each be intra, predicted, or bi-predicted pictures. Each of the pictures comprises macroblocks that can be further divided into sma... | 10/19/2010 |
| 7813653 | Method and apparatus for reducing clipping in an optical transmitter by phase decorrelation A method and apparatus is provided for reducing clipping arising in an optical transmitter. The method begins by generating a frequency multiplexed sub-carrier signal onto which information is modulated at a plurality of different sub-carrier frequencies. The method... | 10/12/2010 |
| 7809282 | Dispersion compensating circuits for optical transmission system Improved dispersion compensating circuits for optical transmission systems are disclosed. According to the improved method, there is provided a compensation circuit comprising a varactor diode network. The network is preferably inserted between a source of laser mod... | 10/05/2010 |
| 7808340 | Plug-in device for signal correction Described herein are systems and methods for a JXP-type plug-in device that may be inserted within existing transmission equipment, such as RF amplifiers and the like, to provide an appropriate amount of flat attenuation to the lower frequencies of signals being pro... | 10/05/2010 |
| 7805137 | Cordless telephone system with IP network application A cordless telephone system includes a base station operable to connect to an internet protocol (IP) network and at least one handset running a short messaging service (SMS) application. The at least one handset is operable to transmit and receive both voice data an... | 09/28/2010 |
| 7804770 | Method and apparatus for performing a graceful restart in a NSF-capable router without enhancing link state routing protocols A graceful restart is provided in a NSF capable router. When a switchover to a standby controller is required, the standby controller receives replicated link state message headers from an active controller. The standby controller generates a link state request (LSR... | 09/28/2010 |
| 7796550 | Method and apparatus for packet scheduling in a wireless network Method and apparatus for packet scheduling in a wireless network is described. First values for a data transmission rate are measured for each of a plurality of mobile stations over time. Second values for a function of the data transmission rate are computed using ... | 09/14/2010 |
| 7792165 | Dispersion compensating varactor circuit Improved dispersion compensating circuits for optical transmission systems are disclosed. According to the improved method, there is provided a compensation circuit comprising a varactor diode network. The network is preferably inserted between a source of laser mod... | 09/07/2010 |
| 7788277 | Methods and apparatus for rapid capture of program identifier data in a broadband transcoder multiplexer Apparatus and methods are provided for efficient collection and identification of program information contained in a plurality of multimedia transport streams. Requests for program information are matched against incoming program information as they are received fro... | 08/31/2010 |
| 7787833 | Broadband transmitter A broadband transmitter includes a modulator and circuits for translating and conditioning the modulated signal to produce a modulated, analog signal at a predetermined frequency. A low-linearity power amplifier amplifies the analog signal at a predetermined frequen... | 08/31/2010 |
| 7787622 | Efficient distribution of encrypted content for multiple content access systems A system and method for digital data distribution is disclosed. The system and method provides a set of one or more source streams encoded by an encoder to form a common data stream for distribution to a plurality of destination systems, each authorized to access at... | 08/31/2010 |
| 7783197 | Method and apparatus for reducing crosstalk in a DWDM transmission system A method and apparatus is provided for transmitting a WDM optical signal. The method begins by modulating a plurality of optical channels that are each located at a different wavelength from one another with a respective one of a plurality of information-bearing ele... | 08/24/2010 |
