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| Number | Title | Issue Date |
| 7933299 | Device and method for controlling switchover of broadcasting channel in digital multimedia broadcasting receiver Provided is a device and method for controlling switchover of a broadcasting channel in a digital multimedia broadcasting receiver. The device includes a first demultiplexing unit for firstly buffering transport stream packets, searching the buffered transport strea... | 04/26/2011 |
| 7864819 | Method and apparatus for bit demultiplexing in a wireless communication systems A method and apparatus of bit demultiplexing for a rate 1/3 convolutional encoder in a wireless communication system, the method comprising, receiving bits from the rate-1/3 convolutional encoder, demultiplexing the received bits by distributing the bits sequentiall... | 01/04/2011 |
| 7804861 | Demultiplexer and demultiplexing methods for digital broadcasting receiver An exemplary embodiment of the present invention may provide an arbiter, a demultiplexer, and a digital receiver. An exemplary embodiment of the demultiplexer may include packet identifier filters, first-in first-out memories, an arbiter, and a conditional access bu... | 09/28/2010 |
| 7796653 | Apparatus and method for demultiplexing of transport stream A transport stream (TS) demultiplexer has a TS input switch unit and an output switch unit, whereby inputs and outputs can be selected as desired, external output can be easily changed by changing selected information of the TS input switch unit and the output switc... | 09/14/2010 |
| 7760769 | Serial stream filtering Methods and apparatus provide for the combining and filtering of serial data from multiple serial data sources. At least one of the serial data sources frames serial data into packets. The serial data source that frames serial data drives a serial port in an exclusi... | 07/20/2010 |
| 7760770 | Stream data processing apparatus and stream data processing method A stream data processing apparatus includes a demultiplexing portion configured to demultiplex multiplexed stream data, to which a PCR is added, into a plurality of pieces of stream data to which a PTS is added, a system time measuring portion configured to measure ... | 07/20/2010 |
| 7668210 | Method and apparatus for reducing current demand variations in large fan-out trees A method and apparatus are provided for reducing current demand variations in large fanout trees. The fanout tree is split into at least 2 sub-groups, each preferably with substantially equal parasitic capacitance. Data is then scrambled according to a scrambling se... | 02/23/2010 |
| 7573916 | Multi-function high-speed network interface A high speed communications interface divides data into a plurality of lanes, each lane encoded with clocking information, serialized, and sent to an interface. During cycles when there is no available data to send, IDLE_EVEN and IDLE_ODD cells are sent on alternati... | 08/11/2009 |
| 7573917 | Method and apparatus for generating information signal to be recorded A compressively-encoding-resultant video signal resulting from compressively encoding a video signal, a first compressively-encoding-resultant audio signal resulting from compressively encoding a first audio signal having a synchronized relation with the video signa... | 08/11/2009 |
| 7443843 | Terminal relay device and relay method An apparatus has a cross connection circuit, first switching sections located on the input side of the cross connection circuit to switch a presently-used transmission path and a reserve transmission path, and second switching sections located on the output side of ... | 10/28/2008 |
| 7433671 | M:N path protection An 1:n or m:n path protection mechanism is provided. Rather than defining an automatic protection protocol, use is made of the existing tandem connection monitoring function, tandem connection reverse defect indication, and tandem connection trail trace identifier. ... | 10/07/2008 |
| 7415048 | Differential delay compensation An alignment logic together with an MFI extractor are adapted to compensate for differential delays. The MFI extractor extracts the MFI disposed in the path overhead of each constituent time-slot. The alignment logic uses the extracted MFI to align corresponding dat... | 08/19/2008 |
| 7408961 | High speed serial data transport between communications hardware modules Transcoder multiplexers that transport digital packets, such as MPEG2 packets, between boards in a chassis using a serial differential protocol are disclosed. The disclosed multiplexers achieve data transfer rates at least twice as fast as conventional systems. Digi... | 08/05/2008 |
| 7406083 | Method for preserving the order of data packets processed along different processing paths Described is a method and system for processing data packets of a data stream in a communication system. The data packets are processed depending on a feature of the header of a data packet in a faster path or in a slower path. To avoid a disorder by the different p... | 07/29/2008 |
| 7376146 | Bus conversion device, system and method Disclosed are a system and method of transmitting data frames between media independent interfaces (MIIs) in a bus conversion device. Data frames received at a first MII may be formatted according to a first data transmission protocol. A bus conversion device format... | 05/20/2008 |
| 7359376 | Serial compressed bus interface having a reduced pin count There is provided a serial compressed bus interface having a reduced pin count. The interface includes a serial-to-parallel converter having a single serial data input line adapted to receive time-division multiplexed serial data from a plurality of data sources. En... | 04/15/2008 |
| 7359379 | Managing data in a subtended switch A technique for provisioning cross-connects in network switching environment includes receiving a portion of the an input data stream including having header data and the payload data, the payload data occurring at a first offset relative to the header data and gene... | 04/15/2008 |
| 7342977 | Serial data transmitter with bit doubling A method is provided for transmitting serial data. The method includes receiving successive transmit data words, wherein each transmit data word has a plurality of bits. Each of the plurality of bits in each transmit data word is multiplied into a multiple number of... | 03/11/2008 |
| 7334068 | Physical layer device having a SERDES pass through mode A physical layer device (PLD), comprising: a first serializer-deserializer (SERDES) device having a first parallel port; a second SERDES device having a second parallel port; a third SERDES device having a third parallel port; and a path selector being selectively c... | 02/19/2008 |
| 7334132 | Flexible and scalable architecture for transport processing A transport processor that can be used in a digital audio-video receiver system comprises a front end and a memory interface. The front end receives concurrently a plurality of transport streams, where two or more of the plurality of transport streams can have diffe... | 02/19/2008 |
| 7321603 | Method and system for reducing bit error rate in a high-speed four to one time domain multiplexer Method and system for reducing bit error rate (BER) in a high-speed four-to-one time domain multiplexer are disclosed. In one embodiment of the present invention, a keep-alive current is employed in the latches of a four-to-one multiplexer in order to minimize the B... | 01/22/2008 |
| 7308006 | Propagation and detection of faults in a multiplexed communication system A data transmission system that detects fiber faults receives a plurality of data packets carried on a plurality of Gigabit Ethernet links at a plurality of Gigabit Ethernet input/output ports. The system then multiplexes, on a bit by bit basis, the data packets ont... | 12/11/2007 |
| 7301970 | Apparatus for executing multi-point control protocol in Ethernet passive optical network A MAC master apparatus for executing a multi-point control protocol (MPCP) data in an optical line termination (OLT) of an Ethernet passive optical network (PON) is provided. The MPCP master apparatus includes a CPU interface unit, two or more memory arbitration con... | 11/27/2007 |
| 7298717 | Method and apparatus for providing transmit diversity with adaptive basis A method and apparatus are provided that uses the feedback information from an ARQ signal that is received to control the transmit diversity of a transmitter. The method provides for improved performance over some existing ARQ plus open loop transmit diversity schem... | 11/20/2007 |
| 7287176 | Apparatus, method and storage medium for carrying out deskew among multiple lanes for use in division transmission of large-capacity data An apparatus, a method and a storage medium for carrying out a deskew among multiple lanes for use in a division transmission of large-capacity data. The method comprises the steps of detecting alignment characters from data streams on a lane-by-lane basis, determin... | 10/23/2007 |
| 7280566 | Multi-format transport stream decoder In a multi-format transport stream decoder that performs a desired process on first transport streams of different formats to generate a second transport stream, a process request information input unit (APR) is supplied with process target packet data (Pi) and proc... | 10/09/2007 |
| 7277447 | Onboard RAM based FIFO with pointers to buffer overhead bytes of synchronous payload envelopes in synchronous optical networks An on-chip RAM FIFO (first-in-first-out) buffer for storing SPE overhead bytes wherein each entry of the RAM FIFO stores (1) a byte of the SPE overhead; (2) an indication of which byte of the SPE overhead is currently stored in that entry; and (3) an indication of w... | 10/02/2007 |
| 7269181 | Robust radio base station controller architecture A base station controller system comprises a high data rate distributed switching fabric providing flexible access to call processing resource pools. The arrangement permits a system controller to selectively assign specific resources depending on call type based on... | 09/11/2007 |
| 7268605 | Technique for operating a delay circuit A technique for operating a delay circuit is disclosed. In one particular exemplary embodiment, the technique may be realized by a delay circuit comprising a plurality of data paths. The delay circuit may receive a signal. The delay circuit may also stagger transmis... | 09/11/2007 |
| 7259474 | Method and apparatus for aggregating power from multiple sources A method and apparatus for aggregating power from multiple sources generates a single direct current regulated voltage. The apparatus comprises a plurality of slave voltage converters and a master pulse width modulator circuit. Providing a plurality of direct curren... | 08/21/2007 |
| 7260120 | Ethernet switching apparatus and method using frame multiplexing and demultiplexing The present invention provides an Ethernet switching apparatus using frame multiplexing and demultiplexing. The Ethernet switching apparatus has a plurality of frame demultiplexers, a plurality of frame multiplexers and a switch fabric chip set. The frame demultiple... | 08/21/2007 |
| 7245613 | Arrangement in a channel adapter for validating headers concurrently during reception of a packet for minimal validation latency A channel adapter includes a link receive resource configured for initiating packet validation upon detecting a receive counter reaching a prescribed threshold corresponding to reception of an initial header of a data packet. Upon initiating packet validation, the l... | 07/17/2007 |
| 7231008 | Fast locking clock and data recovery unit A method of synchronizing a transmitter and a receiver, comprising: receiving a transmitted serial data stream. Creating an N-bit data sample from the serial data stream. Decoding the N-bit data sample by a ring decoding technique. The ring decoding technique compri... | 06/12/2007 |
| 7227875 | Interfacing to a data framer A method of transferring a serial data stream to a data framer includes converting the serial data stream to parallel data streams. The parallel data streams are synchronized and formed into one or more groups of synchronized parallel data streams. The one or more g... | 06/05/2007 |
| 7209493 | Multiplex transmission system and multiplex transmitter A multiplex transmission system according to the invention includes a transmitter and a receiver. The transmitter is provided with an idle frame inserting unit that inserts a specific idle frame different from an idle frame inserted into a surplus band of another si... | 04/24/2007 |
| 7203206 | Data partitioning for multi-link transmission A method for transmitting a stream of data over a channel made up of a plurality of subchannels having respective subchannel rates. The method includes partitioning the data among the subchannels, such that successive words of the data are mapped to the subchannels ... | 04/10/2007 |
| 7170906 | Time-based grooming and degrooming methods with common time reference for optical networks Time-based grooming and degrooming methods and systems of data units that utilize a common time reference is disclosed. Time is divided into a plurality of contiguous periodic time frames with a plurality of time frame durations. The system and method enable the gro... | 01/30/2007 |
| 7170865 | Communications system having enhanced fault tolerance The invention relates to communications systems, and particularly to enhancing tolerance to failures in network elements and transmission systems. The fault tolerance is achieved by providing two or more active ATM permanent virtual channel (PVC) connections between... | 01/30/2007 |
| 7151784 | Demultiplexer circuit A demultiplexer circuit which can simultaneously demultiplex plural pieces of input data while minimizing the circuit scale. The demultiplexer circuit includes an input line identification information addition circuit 2 for giving input line identification in... | 12/19/2006 |
| 7142607 | Efficient subband channelizer and subband combiner with oversampled subbands A subband channelizer that includes a demultiplexer that receives input samples of a signal and distributes the input samples to a plurality of channelizer filter banks. A Fourier transform module that receives outputs from the plurality of channelizer filter banks ... | 11/28/2006 |
