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)
09/2005
09/08/2005US20050198129 Methods and systems for providing communications management
09/08/2005US20050197748 Vehicle data services
09/08/2005US20050197120 Apparatus and method for mobile assignment
09/08/2005US20050195927 Method and apparatus for conveying messages and simple patterns in communications network
09/07/2005EP1570599A2 System and method of digital system performance enhancement
09/07/2005EP1570370A1 Methods and systems for multiuser selective notification
09/07/2005EP1570359A2 Methods and systems for directory information lookup
09/07/2005CN1666423A Automatic wireless EFM channel hopping
09/06/2005US6941405 System and method capable of offloading converter/controller-specific tasks to a system microprocessor
09/01/2005WO2005079160A2 Location-based telecommunications redundancy protocol
09/01/2005WO2005055486A3 Reverse data rate controlling method in mobile communication system
09/01/2005WO2005050891A3 Methodology and system for generating a three-dimensional model of interference in a cellular wireless communication network
09/01/2005WO2004062181A3 Radio receiving, recording and playback system
09/01/2005US20050193116 Method for transitioning between coordination modes for interfering neighbor networks
08/2005
08/31/2005EP1568202A2 Method and apparatus for adaptive message notification
08/31/2005EP1568201A1 Methods and systems for cpn triggered collaboration
08/31/2005EP1568198A2 Methods and systems for a call log
08/31/2005EP1568196A1 Methods and systems for line management
08/31/2005EP1568195A1 Method and systems for single number text messaging
08/31/2005EP1568194A2 Methods and systems for call management with user intervention
08/31/2005EP1568193A2 Methods and systems for computer enhanced conference calling
08/31/2005EP1568170A1 Methods and systems for configuring and providing conference calls
08/31/2005EP1568169A2 Methods and systems for automatic forwarding of communications to a preferred device
08/31/2005EP1568162A2 Methods and systems for conference call buffering
08/31/2005EP1568150A2 Methods and systems for automatic communication line management based on device location
08/31/2005EP0958658B1 An information coding method and devices utilizing error correction and error detection
08/31/2005CN1663215A Relocating context information in header compression
08/30/2005US6937848 Method and device for digital-to-RF conversion
08/25/2005WO2005055487A3 Network message processing using inverse pattern matching
08/25/2005WO2005050898A3 Method and apparatuses for using packet data to manage a data stream in a broadband communications system
08/24/2005EP1566047A1 Methods and systems for notification of call to device
08/24/2005EP1566044A1 Methods and systems for preemptive rejection of calls
08/23/2005US6934272 Apparatus, and associated method, for performing packet zone timing operations at a mobile node operable in a packet radio communication system
08/18/2005WO2005064872A8 Method and system for wireless communication networks using cooperative relaying
08/18/2005WO2003015331A3 Digital transmission and control system for vehicles
08/18/2005US20050180324 Method of controlling data transmission, radio system, packet control unit, and base station
08/17/2005EP1563620A2 Lower complexity layered modulation signal processor
08/17/2005CN1656482A Method and arrangement for personalization of series and applications in telecommunication networks using a user profile web portal
08/17/2005CN1655133A Method and system of external data storage
08/12/2005CA2495759A1 Method and system of external data storage
08/11/2005WO2005025116A3 Management of digital content licenses
08/04/2005WO2005071893A1 Calling a mobile voip terminal and setting up a connection to a mobile voip terminal
08/04/2005WO2005055496A3 System and method for optimization of vessel centerlines
08/04/2005WO2005055492A3 Analyzing a media path in a packet switched network
08/04/2005WO2005055485A3 Method of power control and acknowledgement control for f-ackch
08/04/2005WO2005020497A3 Improved real time location system
08/04/2005WO2005013535A3 Resiliency of control channels in a communications network
08/04/2005WO2004107634A3 Wideband docsis on catv systems using port trunking
08/04/2005WO2004066545A3 Method and systems for global title translation
08/04/2005US20050170835 Systems and methods for network coordination with limited explicit message exchange
08/04/2005US20050169307 Methods and systems for frequency and time division access
08/04/2005US20050169297 System for powering a switch over data communication cabling infrastructure
08/04/2005US20050169243 Combiner for power delivery over data communication cabling infrastructure
08/04/2005US20050169222 Methods and systems for network coordination
08/04/2005US20050169192 Systems and methods for network channel allocation
08/04/2005US20050169177 Systems and methods for dynamic network channel modification
08/04/2005US20050168108 Self-powered, electronic keyed, multifunction switching system
08/04/2005DE102004038850A1 Gleitfenster Sliding window
08/03/2005EP1559253A2 Maximizing power and spectral efficiencies for layered and conventional modulations
08/03/2005EP1559042A2 Java compile-on-demand service system for accelerating processing speed of java program in data processing system and method thereof
08/03/2005EP1558987A2 A multi-rate, multi-port, gigabit serdes transceiver
08/03/2005CN1650290A Method and apparatus for conveying messages and simple patterns in communications network
07/2005
07/28/2005WO2005067408A2 Device, unit and arrangement for one or several distributed systems
07/28/2005WO2005006637A3 Emulating system, apparatus, and method for emulating a radio channel
07/28/2005WO2004095756A3 System and method for distributing information in a network environment
07/28/2005WO2004070998A3 Recovering from de-synchronization attacks against watermarking and fingerprinting
07/28/2005WO2004070994A3 Wireless medical data communication system and method
07/28/2005WO2004066544A3 Mitigating interference with frequency hopping signals by deriving future hop frequencies
07/28/2005US20050166186 Automated generation of message exchange pattern simulation code
07/28/2005US20050164687 Implementation of controls by use of customer programmable portal
07/28/2005US20050163060 Topology discovery in broadband networks
07/27/2005EP1557040A2 Systems and methods for operating a peripheral record/playback device in a networked multimedia system
07/27/2005EP1481505B1 Atm-port-module with integrated ethernet switch interface
07/27/2005CN1647443A Initializing, maintaining, updating and recovering secure operation within an integrated system employing a data access control function
07/27/2005CN1645824A Automated generation of message exchange pattern simulation code
07/23/2005CA2490593A1 Automated generation of message exchange pattern simulation code
07/21/2005WO2005048047A3 Systems and methods for network coordination with limited explicit message exchange
07/21/2005WO2005013536A3 Method for outer loop power control when no cyclic redundancy check results are available on the coded composite transport channel
07/21/2005US20050160450 Method and system for limiting content diffusion to local receivers
07/21/2005US20050159994 Method and apparatus for plan generation
07/21/2005US20050159157 Authentications in a communication system
07/21/2005US20050157690 Wireless network cell controller
07/21/2005US20050157680 Wireless communication method and apparatus with reconfigurable architecture for supporting an enhanced uplink soft handover operation
07/21/2005US20050156712 Method of transferring information in radio system, radio system and terminal device
07/20/2005EP1554900A2 Method and apparatus for antenna steering for wlan
07/14/2005WO2005064872A1 Method and system for wireless communication networks using cooperative relaying
07/14/2005WO2005045689A3 Methods and systems for network coordination
07/14/2005WO2005002120A3 Method and apparatus for network congestion control
07/14/2005WO2004073238A3 An intermediary network system and method
07/14/2005WO2004064308B1 Dual mode unit for short range, high rate and long range, lower rate data communications
07/14/2005US20050154933 System and method for wake on wireless lan
07/14/2005US20050152314 Multiple-input multiple output system and method
07/13/2005CN1639696A System and method for concurrent multimodal communication session persistence
07/07/2005WO2005062556A1 Method and node for controlling the forwarding quality in a data network
07/07/2005WO2005062555A1 A method for controlling the forwarding qaulity in a data network
07/07/2005WO2005048511A3 Systems and methods for network channel allocation
07/07/2005WO2005041462A3 Wireless local area network future service quality determination method
07/07/2005WO2004100424A3 Wireless service point networks
07/07/2005WO2004088898A3 Method and system for tracking eigenvalues of matrix pencils for signal enumeration
07/07/2005US20050148351 Methods and systems for single number text messaging
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