Matches 1 - 50 out of 111 1 2 3 >
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7401134 Packet processing architecture  
A system for processing data packets comprising a plurality of data processing blocks and a controller, which allows the configuration parameters used in processing the data blocks to be updated in...
7372821 Signal processing system, signal receiving device, and communication control method  
The present invention relates to a signal processing system, and proposes the switching operation of device selection which is naturally performed for a user. The signal input device 5 comprises...
7370239 Input/output device with configuration, fault isolation and redundant fault assist functionality  
A process control system includes a plurality of input/output (I/O) devices and a controller in communication using a bus. Each I/O device has an interface for communicatively linking the I/O...
7343425 Multi-speed serial interface for media access control and physical layer devices  
A network device includes a media access control (MAC) device that transmits a first data stream at a first data rate that includes symbols having M bits. A translator converts the first data...
7339945 System and method for partitioning streaming data coded with fine granularity scalability of use in a cable network  
System and method for partitioning data on a SCDMA cable network use methods of creating data streams to transmit to a head end. Further, the data streams transmitted to the head end are coded with...
7324445 Method and apparatus for reproducing a data stream having multiple reproduction paths recorded on a recording medium  
The present invention relates to method and apparatus for reproducing a data stream having a multiple reproduction paths recorded on a high-density optical disk. The present method ensures seamless...
7317734 Method and apparatus for emulating ethernet functionality over a serial bus  
Applications can transparently use a bus, such as the IEEE-1394 serial bus, as if it were an Ethernet (IEEE 802.3). In a conventional Ethernet, each node is assigned a unique 6-byte MAC address in...
7283749 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...
7257124 Method and apparatus for improving the fairness of new attaches to a weighted fair queue in a quality of service (QoS) scheduler  
In a first aspect, a network processor includes a scheduler in which a scheduling queue is maintained. A last frame is dispatched from a flow queue maintained in the network processor, thereby...
7233599 Interface device with stored data on transmission lines characteristics  
The present invention relates to high speed communications, in particular, to an interface device between a transmitting device and a receiving device of a transmission system, wherein the...
7230953 Method and system for controlling UTOPIA buses  
According to one embodiment of the invention, a system for managing communication in a network line card is provided. The system includes at least two UTOPIA bus controllers. Each UTOPIA bus...
7212496 Remote test unit  
A remote test unit (RTU) and method of operation are provided for utilizes the ability of an access matrix ability to route signals. The RTU can emulate a central Digital Subscriber Line Modem...
7181526 Announced session description  
A method of announcing a description of a media session, for example a multimedia conference, that is to take place over multicast capable links is provided in networks configured for Internet...
7164684 Ethernet node having hub, switch and/or repeater characteristics  
A method for forming a network is disclosed with the network including a plurality of communication devices, a wire network for allowing a plurality of communication transmissions between the...
7142553 Off-line broadband network interface  
A network interface is presented that receives packet data from a shared medium and accomplishes the signal processing required to convert the data packet to host computer formatted data separately...
7111106 Bus communication system by unrestrained connection and a communication control method therefor  
A USB system is capable of connecting, based on the function of constructing and connecting a virtual port by a virtual port constructing functional unit, a number of devices exceeding a prescribed...
7099979 Single shelf network system capable of providing expansion to a multiple shelf mode  
A single shelf network system capable of providing expansion to a multiple shelf mode is described. In one embodiment, slots are provided in a single shelf network system that are capable of...
7068937 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...
7061884 Methods and systems for communicating data at radio base station nodes that provide efficient allocation of control timeslots  
A first frame of carrier data can be communicated between a first carrier interface of a first radio base station node and a mobile switching center over a first carrier bus. In addition, a first...
7050449 Communication method and communication apparatus  
The problem is to facilitate alteration of a transmission line in the case where the target device establishes a connection on the bus and thereby secures a transmission line in order to transmit...
6973093 Switching fabric for interfacing a host processor and a plurality of network modules  
An information transport system includes a switching fabric that transfers information between network modules and between a host processor and the network modules. The switching fabric includes...
6952417 System and method for selectively providing data communications in an XDSL communication system  
A system and method selectively establishes data communications, such as XDSL services, between data devices and a network switch. Status of the data devices are monitored and active data devices...
6925090 High-speed digital transmission method allowing plurality of voice services by use of single subscriber line  
The present invention relates to a high-speed digital transmission method using an analog subscriber line (for example, an existing telephone-use copper cable), a subscriber accommodating system...
6920135 Scalable switching system and method  
Systems and method for switching packets of information between ports are provided. One system comprises a plurality of port processors, a switch fabric and a scheduler. The port processors send...
6904049 Data transfer system and method for transferring data packets over an ATM link  
A transmission source bridge collects packets sent from nodes connected to a serial bus in accordance the IEEE1394 Standards, into one packet in an order they are to be transmitted and then sends...
6885675 Data transport system  
An apparatus for an asymmetric data connection comprises a head end router which may be coupled to an ATM PVC, a PSTN modem coupled to the head end router, a plurality of downstream routers each...
6870855 Data communication method, electronic apparatus, and physical-layer-control integrated circuit  
In the 1394 communication, communication at a data rate of S 100, S 200, S 400, S 800, S 1600, S 3200 or at a faster speed in the future can be performed. When the 1394 communication is...
6868096 Data multiplexing apparatus having single external memory  
In a data multiplexing apparatus, a single external memory stores different kinds of transfer data. A header cache memory stores the system header and the header data, and a plurality of data cache...
6853644 Method and apparatus for driving data packets  
An apparatus for driver power and size selection includes in one embodiment a controller for controlling the enabling and disabling of legs in a legged driver, the legged driver providing only that...
6831892 Bandwidth optimization of video program bearing transport streams  
An apparatus comprising an input capable of receiving a bandwidth optimized transport stream is provided. The bandwidth optimized transport stream can be produced by receiving a transport stream of...
6816499 High speed token ring port configuror  
A device that automatically configures the high speed (100 Mbps) port of a switch both physically and logically is provided. For physical configuration, the device determines the transmit pair...
6804205 Method and apparatus for transmitting packet for synchronization using half duplex transmission medium  
A method of half duplex transmission of a packetized digital data includes the steps of inputting a new packet to be transmitted to a first-in-first-out storage, determining whether the new packet...
6795538 Initialization and monitoring system and method for DLC device  
A bidirectional telephone communication system for supporting a multiplicity of subscriber lines between a downstream distribution terminal using only two of a multiplicity of pre-existing...
6785226 System and method for data routing over a network  
The present invention relates in general to communication networks. In particular, the invention relates to a communication network in which nodes communicate via radio connections employing...
6778537 Data processing system and time stamp creating method  
This invention enables the digital broadcast receiving section to restore the reception timing even in a system incapable of guaranteeing the real-time feature of digital broadcast data as far as...
6768745 Flexible SONET access and transmission system  
A SONET network interface for interconnecting at least one high speed unit (HSU) with at least two low speed interface units (LSUs) to enable transmission of signals therebetween. The interface...
6678271 High performance system and method having a local bus and a global bus  
An apparatus and method for providing a translation layer between a local bus and a global bus is described. The apparatus has a local bus and a global bus respectively coupled to a local bus...
6674762 System for the transmission of data  
In an electronic system for the transmission of data between a number of stations, sub-system operation can be achieved by a suitable choice of signal levels and wake-up levels, so that some of the...
6667986 System and method for providing high-speed data access using a distributed modem  
A system and method for communicating data between a user connected to a subscriber line and a data network comprising a first module connected to the subscriber line and a second module,...
6654563 Fiber/wired communication system  
A communication system between head-ends and end-users is provided which expands bandwidth and reliability. A concentrator receives communication signals from a head-end and forwards the received...
6584112 Exchange guaranteed to have same terminal identifier information as that of subscriber terminal equipment  
An exchange connects terminal equipment each having terminal identifier information. A layer 3 control unit of the exchange generates a pseudo layer 3 global reception call; and a layer 2 ...
6574233 Arrangement for redefining an interface while maintaining backwards compatibility  
Disclosed is a way of enhancing capabilities of an interface, such as a communications bus ( 100 ), while retaining backwards compatibility of the interface. The bus has a plurality of signal lines...
6574228 Communication system with physical interface and communication controller, and method  
A communication system ( 300 ) comprises interfaces ( 311-314 ) at communication channels ( 361-364 , respectively), coupled to a controller ( 340 ) by an address bus ( 320 ) and multiplexer ( 380...
6556583 Communication system and communication control method  
A communication control system and method comprising, in one embodiment, a master station connected to a slave station using two redundant buses, wherein command frames having the same content are...
6535519 Method and apparatus for data sharing between two different blocks in an integrated circuit  
An integrated circuit that includes an improved architecture that reduces the interface between different blocks by minimizing the wire connections between the two blocks. Specifically, the two...
6396816 Method and apparatus for multiple applications on a single ISDN line  
A method and apparatus for providing multiple interactive video teleconferencing sessions over a standard ISDN line is described. Multiple sets of audio, video, and data information are generated...
6320856 System and method for a multi-host subscriber loop  
A multi-host subscriber loop (10, 70) includes N central office terminals (22-26, 78) coupled to a local exchange (20, 76), where one of the N central office terminals (22, 110) is directly coupled...
6314106 Receive processing for dedicated bandwidth data communication switch backplane  
A dedicated bandwidth switch backplane has efficient receive processing capable of handling highly parallel traffic. Packets must pass a filtering check and a watermark check before the receive...
6282204 ISDN plus voice multiplexer system  
A method and related apparatus for concurrent transmission and reception of at least one analog voice telephone signal and at least one ISDN service signal between a first location and a second...
6275497 Method and apparatus for controlling communication channels using contention and polling schemes  
A medium access controller for a multi-user network that assigns or changes the operating protocol of multiple upstream channels according to user loading, user status, and/or type of payload data...
Matches 1 - 50 out of 111 1 2 3 >