Patents for H04L 12 - Data switching networks (448,999)
04/2004
04/14/2004CN1146274C Personal information management system
04/14/2004CN1146266C Activity control for mobile station in wireless communication system
04/14/2004CN1146207C Multi-topology network communication link interface
04/14/2004CN1146206C Apparatus and method for manipulating header fields for improved performance in packet communications
04/14/2004CN1146205C Method of encapsulation of data into transport packets of constant size
04/14/2004CN1146204C Wireless data transfer method and system
04/14/2004CN1146198C Method for controlling tag retransmission path establishment and deletion
04/14/2004CN1146197C Multipoint communication method and device
04/14/2004CN1146196C Method and device for establishing routing selective table in communication network
04/14/2004CN1146195C Method of, and a heterogeneous network for, transmitting data packets
04/14/2004CN1146194C Fixed-length speech signal communication system capable of compressing silent signals
04/14/2004CN1146193C Asynchronous transmission mode permanent virtual connected link automatic configuration method
04/14/2004CN1146192C Ethernet exchange chip output queue management and dispatching method and device
04/14/2004CN1146191C Data transfer control device and electronic apparatus
04/14/2004CN1146190C Access network system based on digital user loop line access and multiplexing device
04/14/2004CN1146189C Multi-port packet processor
04/14/2004CN1146188C Selective charge method for internet switch-on server
04/14/2004CN1146187C Multi-medium communication system and equipment
04/14/2004CN1146161C Phase compensation method and device for uplink burst control of TDM/TDMA system
04/14/2004CN1146153C Optical fiber user network
04/14/2004CN1146130C Coder of input sygnal processing system and method of noise quantization of audio signals of shield screen
04/14/2004CN1145927C Speech interface for simultaneous use of facility and application
04/13/2004US6721900 Safety network for industrial controller having reduced bandwidth requirements
04/13/2004US6721899 Fault-tolerant non-flooding routing
04/13/2004US6721898 Method and system for tracking software components
04/13/2004US6721895 Data communications system and data communications method
04/13/2004US6721859 Multi-protocol media storage device implementing protocols optimized for storing and retrieving both asynchronous and isochronous data
04/13/2004US6721842 Boundary addressable memory
04/13/2004US6721818 Electronic device that stores information on its location based on information obtained from a node
04/13/2004US6721811 Message processing scheme for realizing unified handling and management of messages using a portable message processing device
04/13/2004US6721806 Remote direct memory access enabled network interface controller switchover and switchback support
04/13/2004US6721805 Providing shared-medium multiple access capability in point-to-point communications
04/13/2004US6721803 Method, system and program for using application programs in multiple computers to render attachments for a fax job
04/13/2004US6721801 Increased network availability for computers using redundancy
04/13/2004US6721800 System using weighted next hop option in routing table to include probability of routing a packet for providing equal cost multipath forwarding packets
04/13/2004US6721799 Method for automatically transmitting an acknowledge frame in canopen and other can application layer protocols and a can microcontroller that implements this method
04/13/2004US6721798 Method and apparatus for converting IP datagram to/from ethernet frames
04/13/2004US6721797 Partial back pressure (PBP) transmission technique for ATM-PON using rate controllers to reduce a maximum output rate from a peak rate to a controlled rate
04/13/2004US6721796 Hierarchical dynamic buffer management system and method
04/13/2004US6721791 Trap control system
04/13/2004US6721790 User settable unified workstation identification system
04/13/2004US6721787 System and method for wireless hot-synchronization of a personal digital assistant
04/13/2004US6721785 System for directing e-mail to selected recipients by applying transmission control directives on aliases identifying lists of recipients to exclude or include recipients
04/13/2004US6721784 System and method for enabling the originator of an electronic mail message to preset an expiration time, date, and/or event, and to control and track processing or handling by all recipients
04/13/2004US6721783 E-mailer controller for privately and securely delivering bank notices, advices and monthly statements
04/13/2004US6721779 Messaging proxy system
04/13/2004US6721767 Application specific rollback in a computer system
04/13/2004US6721755 Device and method for automatically building database for home zone service
04/13/2004US6721750 System and method for broadband capacity tracking
04/13/2004US6721743 Value points exchanging managing method among first and second business entities where value points available to on-line customer obtaining goods or services
04/13/2004US6721703 Remote deposition system and method
04/13/2004US6721689 System and method for hosted facilities management
04/13/2004US6721686 Server load testing and measurement system
04/13/2004US6721685 Remote maintenance system
04/13/2004US6721632 Wireless exchange between vehicle-borne communications systems
04/13/2004US6721571 Wireless network infrastructure in that digital processing resources are shared
04/13/2004US6721565 Handover of wireless calls between systems supporting circuit and packet call models
04/13/2004US6721555 System and method for facilitating device authentication in a wireless communications system
04/13/2004US6721554 Method and apparatus for policy-based charging for telecommunications services
04/13/2004US6721553 Emergency alarm terminal and emergency alarm system
04/13/2004US6721552 Low power radio network
04/13/2004US6721537 Method for disseminating a message
04/13/2004US6721414 Cable management system
04/13/2004US6721413 Method and apparatus for observing and controlling a multi-layered communication network
04/13/2004US6721411 Audio conference platform with dynamic speech detection threshold
04/13/2004US6721410 Recursive identification of individuals for casual collaborative conferencing
04/13/2004US6721402 Apparatus, method, and record medium for automatically categorizing received mail messages
04/13/2004US6721379 DAC/Driver waveform generator with phase lock rise time control
04/13/2004US6721364 Data transmission apparatus and method of initializing remaining amount of available bandwidth in data transmission apparatus
04/13/2004US6721355 Method and apparatus for adaptive power management in a modem
04/13/2004US6721338 Communication apparatus, synchronous communication system, communication interference suppress method and computer-readable recording medium recorded with communication interference suppress program to suppress interference between plurality of synchronous communication systems in same space
04/13/2004US6721336 STS-n with enhanced granularity
04/13/2004US6721335 Segment-controlled process in a link switch connected between nodes in a multiple node network for maintaining burst characteristics of segments of messages
04/13/2004US6721334 Method and apparatus for packet aggregation in packet-based network
04/13/2004US6721332 USB networking on a multiple access transmission medium
04/13/2004US6721331 Method and apparatus for decentralized prioritized scheduling in a CSMA/CA wireless system
04/13/2004US6721330 Fly-by serial bus arbitration
04/13/2004US6721329 Communication network using different transmission properties
04/13/2004US6721327 Delayed packet concealment method and apparatus
04/13/2004US6721326 Cell multiplexing system and method for an ATM network
04/13/2004US6721325 Fair share scheduling of multiple service classes with prioritized shaping
04/13/2004US6721324 Switch control system in ATM switching system
04/13/2004US6721323 Distributed virtual path
04/13/2004US6721322 System and method for establishing dynamic high usage trunk groups
04/13/2004US6721320 Method and apparatus for fibre channel identification and retrieval
04/13/2004US6721319 Network system
04/13/2004US6721318 Extending router functionality to report static group membership
04/13/2004US6721317 Switch-based scalable performance computer memory architecture
04/13/2004US6721316 Flexible engine and data structure for packet header processing
04/13/2004US6721315 Control architecture in optical burst-switched networks
04/13/2004US6721314 Method and apparatus for applying once-only processing in a data network
04/13/2004US6721313 Switch fabric architecture using integrated serdes transceivers
04/13/2004US6721312 Method and apparatus for improving data transmission in router fabric cards through pseudo-synchronous data switching
04/13/2004US6721311 Self-routing permutation networks based on de Bruijn digraphs
04/13/2004US6721309 Method and apparatus for maintaining packet order integrity in parallel switching engine
04/13/2004US6721308 WAN access system capable of performing a line switching and a packet switching
04/13/2004US6721305 Wireless message courier
04/13/2004US6721303 Method and system for configuring a radio interface
04/13/2004US6721302 Apparatus, and associated method, for communicating packet data in a SDMA (Space-Division, Multiple-Access) communication scheme
04/13/2004US6721297 Method and apparatus for providing IP mobility for mobile networks