Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication
More topics under "H04L - Transmission of digital information, e.g. telegraphic communication" (1,208,511)
H04L 1 - Arrangements for detecting or preventing errors in the information received (103,402)
H04L 12 - Data switching networks (448,999)
H04L 13 - Details of the apparatus or circuits covered by groups or (1,941)
H04L 15 - Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. morse code (160)
H04L 17 - Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. baudot code (677)
H04L 19 - Apparatus or local circuits for step-by-step systems (9)
H04L 21 - Apparatus or local circuits for mosaic printer telegraph systems (101)
H04L 23 - Apparatus or local circuits for systems other than those covered by groups (1,371)
H04L 25 - Baseband systems (55,083)
H04L 27 - Modulated-carrier systems (89,721)
H04L 29 - Arrangements, apparatus, circuits or systems, not covered by a single one of groups (330,333)
H04L 5 - Arrangements affording multiple use of the transmission path (28,368)
H04L 7 - Arrangements for synchronising receiver with transmitter (36,432)
H04L 9 - Arrangements for secret or secure communication (111,914)
Patents for H04L - Transmission of digital information, e.g. telegraphic communication (4,618)
10/2003
10/23/2003US20030200454 Initializing, maintaining, updating and recovering secure operation within an integrated system employing a data access control function
10/23/2003US20030200027 Interactive weather advisory system
10/21/2003US6636915 Cell bus distributed arbitration system and method
10/16/2003WO2002103950A3 Methods and systems for reconciling a forward conversion securities strategy
10/16/2003US20030194091 Method for distributing keys among a number of secure devices, method for communicating with a number of secure devices, security system, and set of secure devices
10/16/2003US20030193924 Medium access control protocol for centralized wireless network communication management
10/09/2003US20030191752 System and method for creating a distributed network architecture
10/08/2003EP1350353A2 Method and system for automatic execution of a securities transaction
10/08/2003CN1124008C Digital signal transmission
10/07/2003US6631116 Method of indicating mini cell size
10/02/2003WO2003081833A2 Floating-gate analog circuit
10/02/2003WO2003081830A2 Xdsl multi-hybrid modem with power spectral density shaping
10/02/2003US20030188004 System and method for navigating data
10/02/2003US20030187854 System and method for managing collections of data on a network
10/02/2003US20030187633 System and method for analyzing data
10/02/2003US20030185230 Distributed modem
10/02/2003US20030185153 Method and system for controlling data traffic in a network
10/02/2003US20030183871 Floating-gate analog circuit
10/01/2003CN1123126C Information coding method and device using error correction and error detection
09/2003
09/25/2003WO2003047151A3 Synchronization of chroma and luma using handshaking
09/25/2003WO2003028268A3 Method for managing services in a communication system? service control device and computer program
09/25/2003US20030182529 System and method for managing memory
09/23/2003US6625682 Electromagnetically-coupled bus system
09/18/2003US20030177486 Method and system for performing SW upgrade in a real-time system
09/18/2003US20030174729 ATM-Port with integrated ethernet switch interface
09/17/2003EP1344356A2 Method and apparatus for interfacing to a radio frequency unit in a bluetooth communication system
09/17/2003EP1344355A2 Methods and apparatus for switching atm, tdm, and packet data through a single communications switch
09/17/2003EP1344124A1 Method and a commmunication apparatus in a communication system
09/12/2003WO2003075525A1 Multiplxing device
09/12/2003WO2003075499A1 Atm-port-module with integrated ethernet switch interface
09/11/2003US20030172053 System and method for mining data
09/11/2003US20030171911 System and method for real time interface translation
09/11/2003US20030169926 Data relationship model
09/11/2003US20030169779 Methods and systems for routing messages between a mated pair of routing nodes with a distributed processing architecture and one or more redundantly connected remote applications
09/10/2003EP1342352A2 Generating and implementing a communication protocol and interface for high data rate signal transfer
09/04/2003WO2003073623A2 System and method for concurrent multimodal communication session persistence
09/02/2003US6615269 Method and arrangement for implementing certain negotiations in a packet data network
08/2003
08/28/2003US20030163831 Field technician communicator
08/28/2003US20030163823 Radio receiving, recording and playback system
08/28/2003US20030163776 Interleavers and de-interleavers
08/28/2003US20030162561 System and method for concurrent multimodal communication session persistence
08/21/2003WO2003034635A3 Field technician communicator
08/21/2003US20030157908 Spatial spectral efficiency for wireless rings and network of links in millimerter wave (mmw) communication systems
08/14/2003WO2003067799A2 System and method for packet storage and retrieval
08/14/2003WO2003067798A2 State record processing
08/14/2003WO2003067383A2 Services processor having a packet editing unit
08/14/2003WO2003067382A2 Service processor having a queue operations unit and an output scheduler
08/14/2003WO2003067381A2 Table driven programming system for a services processor
08/14/2003US20030154328 Services processor having a queue operations unit and an output scheduler
08/14/2003US20030154303 Digital circuit multiplexing device
08/07/2003WO2003065634A2 System and method for analyzing data
08/07/2003WO2003065252A1 System and method for managing memory
08/07/2003WO2003065240A1 System and method for managing collections of data on a network
08/07/2003WO2003065213A1 System for automatic generation of software programs
08/07/2003WO2003065212A1 A system and method for parsing data
08/07/2003WO2003065180A2 System and method for creating a distributed network architecture
08/07/2003WO2003065179A2 A system and method for mining data
08/07/2003WO2003065177A2 System and method for navigating data
08/07/2003WO2003065175A2 A system and method for real time interface translation
08/07/2003WO2003065173A2 A system and method for managing knowledge
08/07/2003WO2003065171A2 A system and method for managing dataflows
08/06/2003CN1435033A Method and system for communication of data via optimum data path in network
07/2003
07/31/2003WO2003019841A3 Enhanced protocol conversion system
07/31/2003WO2002015461A3 Method and system for automatic execution of a securities transaction
07/30/2003EP1330807A2 Method for non-verbal assessment of human competence
07/30/2003EP1330768A2 Method and apparatus for predicting the failure of a component
07/29/2003US6601108 Automatic conversion system
07/24/2003WO2003061329A2 Method and hybrid optical-electronic switching node for optimizing use of optical bandwidth
07/24/2003CA2469471A1 Method and hybrid optical-electronic switching node for optimizing use of optical bandwidth
07/23/2003EP1328904A2 Parameterized graphs with conditional components
07/23/2003CN1432261A Digital circuit multiplexing device
07/22/2003CA2241382C Method for wide area network service location
07/17/2003US20030133515 Transmitting apparatus and method, receiving apparatus and method, program and recording medium, and transmitting/receiving system
07/16/2003EP1179279B1 Prioritization and flow control of data packets for a spread spectrum multiuser channel
07/10/2003WO2003056762A1 Method for connecting a plurality of computer terminals to a broadband cable
07/10/2003US20030128911 Method of and operating architectural enhancement for combining optical (photonic) and data packet-based electrical switch fabric networks with a common software control plane while providing increased utilization of such combined networks
07/03/2003WO2003030431A3 Packet classification in a storage system
07/03/2003US20030123485 Method for transmitting packet data in communication system
07/03/2003US20030123466 Modem relay over packet based network
07/02/2003EP1323155A2 Method and apparatus for producing functionality and user interfaces for devices having an embedded operating system
07/02/2003CN1427568A Wireless receiving/transmitting apparatus and method for effectively repeating high-speed information pocket data
07/01/2003US6585997 Mucoadhesive erodible drug delivery device for controlled administration of pharmaceuticals and other active compounds
07/01/2003CA2301546C Apparatus and method for concurrent voice and data transmission
06/2003
06/26/2003WO2003053034A1 Method and system for providing a private conversation channel in a videoconference system
06/26/2003WO2003053005A1 Videoconference call set up
06/26/2003WO2003053004A1 Videoconference bandwidth selection mechanism
06/26/2003WO2003052993A2 Quality of service setup on a time reservation basis
06/26/2003WO2003052613A1 Videoconference application user interface with messaging system
06/26/2003WO2003052611A1 Videoconference session switching from unicast to multicast
06/12/2003US20030108088 High-data-rate supplemental channel for CDMA telecommunications system
06/12/2003US20030108020 Method and arrangement for signalling in a wireless IP multimedia network and a wireless IP multimedia network terminal device
06/12/2003US20030108007 Method and apparatus for effecting handoff between different cellular communications systems
06/05/2003WO2003047189A1 Selectively transmitting full or compressed header packets
06/05/2003WO2003047151A2 Synchronization of chroma and luma using handshaking
06/03/2003US6574210 High-data-rate supplemental channel for CDMA telecommunications system
05/2003
05/29/2003US20030101228 Data mirroring between controllers in an active-active controller pair
05/28/2003EP1315356A2 Method for transmitting packet data in compressed form in a communication system
05/28/2003CN1420444A Transmitting and receiving apparatus and method, program and recording medium and transmitting/receiving system
05/22/2003US20030097629 Transceiver apparatus and method for efficient retransmission of high-speed packet data
05/15/2003WO2003041329A2 Data mirroring between controllers in an active-active controller pair
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