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)
07/2005
07/06/2005CN1635509A Method for remotely sensing, real-time tracking and displaying express freight way state and receipt
06/2005
06/30/2005WO2005060178A1 A data transmission method for wireless packet data based data transmission
06/30/2005WO2005060140A2 Module to module signaling with jitter modulation
06/30/2005WO2005060139A2 Secure quantum key distribution using entangled photons
06/30/2005WO2005060138A2 Systems and methods for preventing spam and denial of service attacks in messaging, packet multimedia, and other networks
06/30/2005WO2005059675A2 System for the secure identification of the initiator of a transaction
06/30/2005WO2005034409A3 Sync bursts for frequency offset compensation
06/30/2005WO2005022805A3 Distributed multimedia and messaging router over layer 2
06/30/2005WO2005015808A3 Mobile dictionary/sms dictionary
06/30/2005WO2004112297A3 Apparatus and method for providing quality of service for a network data connection
06/30/2005WO2004112294A3 Hidden receiver-sender device for pneumatics tires
06/30/2005WO2004066541A3 Adaptive transparent encryption
06/30/2005US20050144649 Apparatus and method for reduction of wireless links noise injection to a DOCSIS cable modem service
06/30/2005US20050144012 One button push to translate languages over a wireless cellular radio
06/30/2005US20050143120 Method, access point and WTRU for controlling transmission power levels of uplink/downlink communication in a wireless communication system
06/30/2005US20050143107 Method and apparatus for notifying unavailability of broadcast/multicast services
06/30/2005US20050143106 System and method for group messaging and content distribution in Short Message Service
06/30/2005US20050143067 Method and arrangement for personalization of series and applications in telecommunication networks using a user profile web portal
06/30/2005US20050141558 Data link control architecture for integrated circuit devices
06/30/2005US20050141456 Session initiation protocol (SIP) based user initiated handoff
06/29/2005CN1633652A Videoconference application user interface with messaging system
06/28/2005US6912581 System and method for concurrent multimodal communication session persistence
06/23/2005WO2005057835A2 Information distribution system for aircraft
06/23/2005WO2005057834A2 Plug-in network appliance
06/23/2005WO2005057833A2 System and method for analyzing relationships between sourcing variables
06/23/2005WO2005057832A2 Method and apparatus for entering alphabetic characters
06/23/2005WO2005057829A2 Enhanced telecommunication system
06/23/2005WO2005057828A2 Synchronized data transfer system
06/23/2005WO2005057827A2 802.1x authentication technique for share media
06/23/2005WO2005057826A2 Systems and methods for facilitating playback of media
06/23/2005WO2005057825A2 Apparatus, and associated method, for communicating communication data in a multiple-input, multiple-output communication system
06/23/2005WO2005057824A2 Direct-sequence cdma method and device
06/23/2005WO2005057433A1 Intentional addressing and resource query in a data network
06/23/2005WO2005025106A3 Iterative forward error correction
06/23/2005WO2005015807A3 Realtime electronic communications system and method
06/23/2005WO2005013537B1 Systems and methods for the synchronization of a real-time scheduled packet network using relative timing
06/23/2005WO2004112296B1 System for rendering multimedia messages by providing url for downloadable software to a receiving terminal
06/23/2005WO2004100420A3 A pattern driven message oriented compression apparatus and method
06/23/2005WO2004077730A3 Transmission schemes for multi-antenna communication systems utilizing multi-carrier modulation
06/23/2005US20050138528 Method, system and transmitting side protocol entity for sending packet data units for unacknowledged mode services
06/23/2005US20050138082 Method, data transfer arrangement, server and terminal device for updating information in a terminal device
06/23/2005US20050138002 Accessing different types of electronic messages through a common messaging interface
06/23/2005US20050136972 Plug-in network appliance
06/23/2005US20050135620 Secure quantum key distribution using entangled photons
06/23/2005US20050135501 Module to module signaling with jitter modulation
06/23/2005US20050135388 Control of terminal applications in a network environment
06/23/2005US20050135252 Transparent optimization for transmission control protocol flow control
06/23/2005CA2549512A1 Plug-in network appliance
06/23/2005CA2548937A1 Intentional addressing and resource query in a data network
06/23/2005CA2546511A1 Method and apparatus for entering alphabetic characters
06/23/2005CA2546504A1 Enhanced telecommunication system
06/23/2005CA2546503A1 802.1x authentication technique for share media
06/22/2005EP1545142A2 Control of terminal applications in a network environment
06/21/2005US6909943 System for power delivery over data communication cabling infrastructure
06/16/2005WO2005055636A1 Method, system and transmitting side protocol entity for sending packet data units for unacknowledged mode services
06/16/2005WO2005055561A2 System and method for managing oss component configuration
06/16/2005WO2005055502A2 Session initiation protocol (sip) based user initiated handoff
06/16/2005WO2005055501A2 Method and apparatus for notifying unavailability of broadcast/multicast services
06/16/2005WO2005055500A2 Calibrating capacitor mismatch in a pipe-line adc
06/16/2005WO2005055498A2 Implementation of controls by use of customer programmable portal
06/16/2005WO2005055497A2 Apparatus and method for performing fast fibre channel write operations over relatively high latency networks
06/16/2005WO2005055496A2 System and method for optimization of vessel centerlines
06/16/2005WO2005055495A2 System and method for preparing mobile digital devices
06/16/2005WO2005055494A2 Method and apparatus for calculating a position estimate of a mobile station using network information
06/16/2005WO2005055492A2 Analyzing a media path in a packet switched network
06/16/2005WO2005055491A2 System and method for hierarchically representing configuration items
06/16/2005WO2005055487A2 Network message processing using inverse pattern matching
06/16/2005WO2005055486A2 Reverse data rate controlling method in mobile communication system
06/16/2005WO2005055485A2 Method of power control and acknowledgement control for f-ackch
06/16/2005WO2005055137A2 Vessel segmentation using vesselness and edgeness
06/16/2005WO2005055126A1 System and method for vascular visualization using planar reformation of vascular central axis surface with biconvex slab
06/16/2005WO2005055076A1 Calcium cleansing for vascular visualization
06/16/2005WO2005054989A2 Bidirectional interfaces for configuring oss components
06/16/2005WO2005054988A2 System and method for configuring a graphical user interface based on data type
06/16/2005WO2005054987A2 Systems, methods and software to configure and support a telecommunications system
06/16/2005WO2005020498A3 Communications system providing extensible protocol translation and configuration features and related methods
06/16/2005WO2005020494A3 Method and apparatus for providing interprocessor communications using shared memory
06/16/2005WO2005018130A3 Analog signals sampler providing digital representation thereof
06/16/2005WO2004114574A3 Group network methods and systems
06/16/2005WO2004070987B1 Analog floating gate voltage sense during dual conduction programming
06/16/2005WO2004059897A3 Frequency hopping method in orthogonal frequency division multiplexing system
06/16/2005US20050132060 Systems and methods for preventing spam and denial of service attacks in messaging, packet multimedia, and other networks
06/16/2005US20050132000 Videoconference session switching from unicast to multicast
06/16/2005US20050130652 Wireless control for creation of, and command response to, standard freight shipment messages
06/16/2005US20050129154 Wireless communication apparatus using fast fourier transforms to create, optimize and incorporate a beam space antenna array in an orthogonal frequency division multiplexing receiver
06/16/2005US20050129043 Nonblocking and deterministic multicast packet scheduling
06/16/2005US20050128995 Method and apparatus for using wireless hotspots and semantic routing to provide broadband mobile serveices
06/16/2005CA2551630A1 Analyzing a media path in a packet switched network
06/16/2005CA2548091A1 Method and apparatus for notifying unavailability of broadcast/multicast services
06/16/2005CA2547666A1 Session initiation protocol (sip) based user initiated handoff
06/16/2005CA2547661A1 Implementation of controls by use of customer programmable portal
06/16/2005CA2546875A1 Method and apparatus for calculating a position estimate of a mobile station using network information
06/16/2005CA2546783A1 Apparatus and method for performing fast fibre channel write operations over relatively high latency networks
06/15/2005EP1540473A2 System and method for network interfacing in a multiple network environment
06/15/2005CN1206840C Carrier restoring equipment of digital broadcasting receiver using two pilot signal and its method
06/14/2005US6907112 Method and system for voice messaging
06/09/2005WO2005053211A2 Device and method for facilitating transmission, production, recording, sound reinforcement and real-time monitoring of audio and visual elements of a production
06/09/2005WO2005053210A2 Reduction of wireless links noise injection to a cable modem
06/09/2005WO2005053208A2 Method of operating in a network in which a plurality of stations communicate over a shared medium
06/09/2005WO2005053207A2 System and method for group messaging and content distribution in short message service
1 ... 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 ... 47