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)
12/2005
12/29/2005WO2005125121A1 Network devices and traffic shaping methods
12/29/2005WO2005125119A1 Information transmission in a communications system
12/29/2005WO2005125108A1 A security system and a method
12/29/2005WO2005122710A2 A system for surveillance and a method for the application thereof
12/29/2005WO2005081713A3 Ultra-wideband communication protocol
12/29/2005WO2005046101A3 Method and system for transmitting encrypted data
12/29/2005WO2005034412A3 Method and apparatus of communicating security/encryption information to a physical layer transceiver
12/29/2005WO2005002113A3 Methods and systems for providing communications management
12/29/2005WO2004068838A3 Robust mode staggercasting reduced resolution video for mobile receiver
12/29/2005CA2571146A1 A security system and a method
12/29/2005CA2570923A1 A system for surveillance and a method for the application thereof
12/29/2005CA2570891A1 Method and system for providing communication between several nodes and a master
12/28/2005EP1609313A2 System and method for partially encrypted multimedia stream
12/28/2005EP1609281A2 Method and device for identifying and pairing bluetooth devices
12/28/2005EP1433277A4 Systems and methods for multi-pair atm over dsl
12/28/2005CN1714578A Channel switching for support of multimedia broadcast and multicast services
12/27/2005US6980779 RF transmitter using digital-to-RF conversion
12/27/2005CA2310923C Method of transmission from tcp/ip communication network to mobile communication network and transmission and reception system therefor
12/22/2005WO2005122620A1 Transferring compression parameters in a mobile communication system
12/22/2005WO2005122499A1 Transmission control method, network element, base station and radio network controller
12/22/2005US20050281256 Data transmission in communication system
12/22/2005US20050281253 Method for transporting data in telecommunication system, and network element
12/22/2005US20050281244 Information transmission in a communications system
12/21/2005EP1606904A2 A flexible wlan access point architecture capable of accommodating different user devices
12/21/2005EP1606899A2 Wlan session management techniques with secure rekeying and logoff
12/21/2005EP1606892A2 Low noise hybrid circuit for communications systems using time division multiplexing
12/21/2005EP1606888A2 Multi user detection using equalization and successive interference cancellation
12/20/2005US6977947 Frame-relay frame transmission circuit
12/15/2005WO2005057834A3 Plug-in network appliance
12/15/2005WO2004100434A9 A transform-based alias cancellation multi-channel tuner
12/15/2005US20050276267 Transmission control method, network element, base station and radio network controller
12/15/2005US20050276250 Method and apparatus for uplink synchronization in wireless communications
12/15/2005US20050276247 Transferring compression parameters in a mobile communication system
12/15/2005US20050276220 Network devices and traffic shaping methods
12/14/2005EP1604473A2 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 application
12/14/2005EP1604308A2 Automatic configuration of client terminal in public hot spot
12/14/2005EP1604216A2 Method and system for emulating a fibre channel link over a sonet/sdh path
12/14/2005CN2746667Y Radio location network assembly for forcasting by communication message
12/14/2005CN1708947A Method and arrangement to reserve resources in an IP network
12/13/2005US6975581 VLAN protocol
12/08/2005WO2005027387A3 Wireless communications services pay plan customizer and notifier
12/08/2005US20050272381 Automatic wireless efm channel hopping
12/07/2005EP1602231A2 Robust mode staggercasting user controlled switching modes
12/07/2005EP1602219A2 Methods and systems for remote call establishment
12/01/2005WO2005114948A1 Methods for increased tolerance against packet reordering for the secure reference principle in robust header compression
12/01/2005WO2005034406A3 Method and system for enhancing reception of wireless communication signals
12/01/2005WO2005027389A3 Automatic data entry into wireless device directory
12/01/2005WO2005006634A3 System, and associated method, for scheduling weighted transmissions from multiple antennas
12/01/2005WO2004070999A3 Site equipment survey tool
12/01/2005WO2004070989A3 Methods and apparatus for the utilization of core based nodes for state transfer
12/01/2005US20050265284 Apparatus, and associated method, for facilitating communication handoff in multiple-network radio communication system
11/2005
11/30/2005EP1599989A2 Method and system for dynamic aggregation in wireless network
11/30/2005EP1599974A2 Apparatus and method to optimize power management in an independent basis service set of a wireless local area network
11/30/2005EP1599811A2 System and method for semantic knowledge retrieval, management, capture, sharing, discovery, delivery and presentation
11/30/2005EP1568193A4 Methods and systems for computer enhanced conference calling
11/30/2005CN1230017C Method for user service and rate consultation in mobile communication system
11/24/2005WO2005112399A1 Mobile network, station, server and method for assigning to a mobile station a fixed and public ip adress
11/24/2005WO2005112364A1 Transporting data in telecommunication system
11/24/2005WO2005110006A2 Method and arrangement device relating to communication network
11/24/2005WO2005043792A3 Method and apparatus for reducing communication latency in a wireless group call
11/24/2005WO2005029744A3 Ultra-wideband communication protocol
11/24/2005WO2005027391A3 Strictly nonblocking multicast linear-time multi-stage networks
11/24/2005WO2005025114A3 Method and system for out-of-band messaging between customer premises equipment and a cable modem termination station
11/24/2005WO2005002123A3 Network media channels
11/24/2005US20050259669 Media gateway device
11/24/2005US20050259616 Data transport in UMTS
11/24/2005DE102005016986A1 Modem Modem
11/24/2005CA2569096A1 Mobile network, station, server and method for assigning to a mobile station a fixed and public ip adress
11/24/2005CA2568513A1 Method and arrangement device relating to communication network
11/23/2005EP1598728A2 Method and device for digital rights enforcement
11/23/2005EP1597922A2 Channel, coding and power management for wireless local area networks
11/23/2005EP1597884A2 Transmission schemes for multi-antenna communication systems utilizing multi-carrier modulation
11/23/2005EP1573946A4 Digital transmission and control system for vehicles
11/22/2005US6967962 Linking crossbar controller
11/22/2005CA2285334C Communications module based repeater
11/17/2005WO2005109820A1 Selecting and transmitting files to terminal
11/17/2005WO2005109798A2 An intermediary network system and method for facilitating message exchange between wireless networks
11/17/2005WO2005109769A1 Common signaling method
11/17/2005WO2005109753A1 Communication method, packet radio system, controller and user terminal
11/17/2005WO2005109750A1 Optimised iub transport
11/17/2005WO2005036806A3 Scalable partition memory mapping system
11/17/2005WO2005002118B1 System and method for handling v.8bis signals for modem connections over packet networks
11/17/2005CA2564772A1 An intermediary network system and method for facilitating message exchange between wireless networks
11/16/2005EP1595414A2 Outer-loop power control for wireless communication systems
11/16/2005EP1595410A2 Virtual wireless local area networks
11/16/2005EP1595353A2 Methods and apparatus for the utilization of core based nodes for state transfer
11/16/2005CN1698388A Apparatus, and associated method, for performing packet zone timing operations at a mobile node operable in a packet radio communication system
11/15/2005US6966024 Method and device for adaptive quantization of soft bits
11/10/2005WO2005088949A8 A method and arrangement for providing user information to a telecommunication client
11/10/2005WO2005053208A3 Method of operating in a network in which a plurality of stations communicate over a shared medium
11/10/2005WO2005050892A3 Method and apparatus for automatic frequency correction
11/10/2005WO2005034407A3 Method and apparatus for using wireless hotspots and semantic routing to provide broadband mobile services
11/10/2005WO2004100428A3 Managing contacts in a communication network
11/10/2005US20050250500 Communication method, packet radio system, controller and user terminal
11/09/2005EP1593231A2 Systems and methods for collaborative communication
11/09/2005EP1593085A2 Interactive weather advisory system
11/09/2005EP1593080A2 Wireless medical data communication system and method
11/09/2005EP1400048A4 Automated competitive bidding system and process
11/09/2005CN1695282A System and method for managing object based clusters
11/03/2005WO2005104418A2 A multi-user gaming system
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