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Patent # Description
US-6,201,813 Method and apparatus for using ATM queues for segmentation and reassembly of data frames
A plurality of cells are received from a digital network and stored in a logical queue. The cells contain data information and logical connection information and...
US-6,201,729 DRAM hidden row access method and apparatus
A DRAM subsystem is provided in which multiple sets of sense amps are provided, such as two or more sense amps for each DRAM column. Processes inter-leave their...
US-6,198,040 Grounding cover method and apparatus for accessible electronic component
A Personal Computer Memory Card International Association (PCMCIA) or other access opening of an electronic device is provided with a conductive cover which may...
US-D438,531 Transceiver unit cover
US-6,195,739 Method and apparatus for passing data among processor complex stages of a pipelined processing engine
A processor complex architecture facilitates accurate passing of transient data among processor complex stages of a pipelined processing engine. The processor...
US-6,195,705 Mobile IP mobility agent standby protocol
Disclosed is a method and apparatus for automatically backing up a Home Agent in Mobile IP. The method employs important components of the widely-used Hot...
US-6,195,385 HTU-C clocking from a single source
An apparatus and method are provided for generating a plurality of data frames in a DSL modem configured as an HTU-C device using a single clock source. The...
US-6,195,107 Method and system for utilizing virtual memory in an embedded system
The present invention provides a system and method for reducing memory requirements in a low resource computer system. Although examples herein are described in...
US-6,192,491 Data processor with CRC instruction set extension
A programmable data communications device is provided to process multiple streams of data according to multiple protocols. The device is equipped with a...
US-6,192,411 Mapping SNA session flow control to TCP flow control
A TN3270 server (26) that forwards a 3270 data stream from a Systems Network Architecture ("SNA") connection (28) to a Transmission Control Protocol ("TCP")...
US-6,192,026 Medium access control protocol for OFDM wireless networks
A medium access contention protocol that is highly beneficial in wireless networks and particularly in wireless networks that employ a fixed minimum burst size...
US-D437,844 Transceiver base
US-6,188,760 Signaling state management system for packet network gateways
A signal state management (SSM) system avoids both the overhead of maintaining call state and complex signaling in a packet network gateway, while simultaneously...
US-6,188,698 Multiple-criteria queueing and transmission scheduling system for multimedia networks
A packet scheduling system for use in a switching node of a high speed packet switching network. Incoming packets are enqueued in connection queues. Each...
US-6,188,694 Shared spanning tree protocol
A shared spanning tree protocol (SSTP) creates a plurality of spanning trees (i.e., loop-free paths) which are shared among one or more virtual local area...
US-6,185,222 Asymmetric switch architecture for use in a network switch node
In a network switch node, an asymmetric switch. The asymmetric switch comprises a plurality N of inputs each for coupling to a corresponding one of a plurality N...
US-6,185,106 Printed circuit board extractor tool operated latch
An apparatus for locking a printed circuit board inside a card cage is disclosed. For one embodiment of the locking assembly, the locking assembly is mounted on...
US-D437,317 Portable internet access device
US-6,182,267 Ensuring accurate data checksum
A system and method are provided that permit an accurate checksum to be generated of a block of data being transmitted via a prefetched bus, despite repeated...
US-6,182,224 Enhanced network services using a subnetwork of communicating processors
A method and system for providing enhanced services for a network. The enhanced services use information about the network which is available to a subnet of...
US-6,182,147 Multicast group routing using unidirectional links
The invention provides a method and system for multicast group routing using unidirectional links. A set of uplink routers and a set of downlink routers provide...
US-6,182,119 Dynamically configurable filtered dispatch notification system
A method and system for filtering and acting upon data are provided. The specific identity, behavior and relationship between the various components that make up...
US-6,181,711 System and method for transporting a compressed video and data bit stream over a communication channel
Digitally compressed video/audio bit streams, when transmitted over digital communication channels such as digital subscriber loop (DSL) access networks, ATM...
US-6,181,708 Lossless arbitration scheme and network architecture for collision based network protocols
A lossless arbitration scheme combines IEEE 802.3 compliant Medium Access Controllers (MACs) with a centralized arbiter and out of band access control signaling...
US-6,181,572 Digital subscriber line (xDSL) modem having a multi-layer electromagnetic shield and method of manufacture
An xDSL modem assembly is provided. The assembly comprises a housing, a circuit board having xDSL electronics, and a multi-layer electromagnetic shield formed to...
US-6,178,429 Mechanism for ensuring SCM database consistency on multi-part operation boundaries
A mechanism for guaranteeing a coherent repository, including a list of requested files that are to be committed to the repository or to be processed (e.g. read)...
US-6,178,176 Synchronous stack bus for fast Ethernet repeater
Provided is a synchronous stack bus repeater system for a computer network. The system includes a plurality of stacked repeaters, a stack bus linking the...
US-6,178,160 Load balancing of client connections across a network using server based algorithms
A plurality of web servers (16, 18, and 20) have a common host name, and their authoritative domain server (24 or 26) responds to requests from a local...
US-6,176,733 System and method for direct communication with a backup network device via a failover cable
A system and method are disclosed for providing a failover for designating a primary network device and a backup network device and providing direct ...
US-6,175,915 Data processor with trie traversal instruction set extension
A programmable data communications device is provided to process multiple streams of data according to multiple protocols. The device is equipped with a...
US-6,175,603 System for managing signals in different clock domains and a programmable digital filter
A synchronizer circuit manages signals in different clock domains by generating clock pulses synchronized with a system clock. The clock pulses are generated at...
US-6,175,570 Method and an apparatus for shaping the output traffic in a fixed length cell switching network node
A network node supports switching fixed length information cells between a source unit and a destination unit. The invention uses two lookup tables called the...
US-6,173,386 Parallel processor with debug capability
A parallel processor is provided that includes integrated debugging capabilities. The processor includes a pipelined processing engine, having an array of...
US-6,172,626 Parallel variable bit encoder
A bit stuffing circuit has a first communication channel delivering data to a barrel shifter, the barrel shifter delivering a first number of bits from the first...
US-6,169,788 Communication server apparatus having distributed switching and method
A communication server includes a modem pool (652) that comprises a plurality of XDSL modems (660). The communication server also includes a plurality of line...
US-6,167,445 Method and apparatus for defining and implementing high-level quality of service policies in computer networks
A computer network having multiple, dissimilar network devices includes a system for implementing high-level, network policies. The high-level policies, which...
US-6,167,027 Flow control technique for X.25 traffic in a high speed packet switching network
A preventive X.25 flow control mechanism for use in a high speed packet switching network where calls are multiplexed on network trunks with each connection...
US-6,163,824 Hot plug port adapter with separate PCI local bus and auxiliary bus
A pluggable port adapter is used for connecting PCI devices to a host system through a PCI local bus while also adding functionality to the host system. The port...
US-6,163,599 Communication server apparatus and method
A communication system includes a number of computers, each computer having a first XDSL modem that communicates information. Twisted pair lines are coupled to...
US-6,163,543 Port aggregation protocol
A port aggregation protocol (PAGP) dynamically aggregates redundant links between two neighboring devices in a computer network through the exchange of...
US-6,161,161 System and method for coupling a local bus to a peripheral component interconnect (PCI) bus
A system and method for coupling a local bus to a PCI bus are provided. The system comprises a local bus interface for receiving signals from a microprocessor...
US-6,160,843 Communication server apparatus providing XDSL services and method
A communication system (500) includes a plurality of subscriber systems (510) coupled to a plurality of twisted pair data lines (520). Each subscriber system...
US-6,160,717 Integrated retention spring with card ejector
An ejector for a printed circuit board overcomeably retains the ejector, e.g. in open and/or closed positions. Preferably a spring for providing a retaining...
US-6,158,041 System and method for I/Q trellis coded modulation
A high performance system and method for trellis coded modulation are provided by virtue of the present invention. In one embodiment, the trellis coded...
US-6,157,957 Clock synchronization system and method using a continuous conversion function for a communication network
A clock synchronization system and method in a communication network comprise a plurality of nodes in communication with each other by data transfer over...
US-6,157,641 Multiprotocol packet recognition and switching
The invention provides a method and system for identifying header information in a packet header, and for switching (and otherwise operating) on the packet in...
US-6,157,251 Method and apparatus for clock uncertainty minimization
A method and apparatus for drastically reducing timing uncertainties in clocked digital circuits simply, at virtually no cost, and using only standard clock...
US-6,157,250 Method and apparatus for clock uncertainty minimization with a clean power source
A method and apparatus for drastically reducing timing uncertainties in clocked digital circuits simply, at virtually no cost, and using only standard clock...
US-6,154,743 Technique for accessing heterogeneous directory services in an APPN environment
A technique offloads a central directory services (CDS) function from a mainframe of an advanced peer-to-peer networking (APPN) network to a light-weight...
US-6,154,371 Printed circuit board assembly and method
A printed circuit board assembly incorporates an opening into which one or more integrated circuit packages at least partially fit, a plurality of electrical...
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