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)
12/2004
12/23/2004	US20040257242 Relative timing mechanism for event sequencing without clock synchronization
12/23/2004	DE202004011194U1 Vorrichtung für Funkbetriebsmittelverwaltung von fern in einem WLAN Apparatus for radio resource management in a wireless remote
12/23/2004	CA2840432A1 Dynamic service delivery with topology discovery for communication networks
12/23/2004	CA2528648A1 Dynamic service delivery with topology discovery for communication networks
12/22/2004	EP1488524A2 Floating-gate analog circuit
12/22/2004	EP1264443B1 Method and system for communication of data via an optimum data path in a network
12/21/2004	US6834258 Field transmitter with diagnostic self-test mode
12/16/2004	WO2004109967A2 Cross-enterprise wallplug for connecting internal hospital/clinic imaging systems to external storage and retrieval systems
12/16/2004	WO2004109966A2 Protocol for configuring a wireless network
12/16/2004	WO2004109965A2 Method and apparatus for translating resource names in a wireless environment
12/16/2004	WO2004109964A2 A wireless device having dual bus architecture for interfacing with cellular signals and short-range radio signals
12/16/2004	WO2004109961A2 Method and apparatus for transceivers in wireless communications using ofdm spread spectrum
12/16/2004	WO2004098111A3 Enhancing mobile multiple-access communication networks
12/16/2004	WO2004095761A3 Multiple description hinting and switching for adaptive media services
12/16/2004	WO2004064297A3 Efficient room-temperature source of polarized single photons
12/16/2004	WO2004054158A3 Rate control with picture-based lookahead window
12/16/2004	US20040255243 System for creating and editing mark up language forms and documents
12/16/2004	US20040255238 Optimizer of interdependent information
12/16/2004	US20040255000 Remotely controlled failsafe boot mechanism and remote manager for a network device
12/16/2004	US20040254953 Schema framework and a method and apparatus for normalizing schema
12/16/2004	US20040254909 Programming routes and access control lists in comparison tree data structures and their use such as in performing lookup operations
12/16/2004	CA2528047A1 Cross-enterprise wallplug for connecting internal hospital/clinic imaging systems to external storage and retrieval systems
12/16/2004	CA2527677A1 Method and apparatus for translating resource names in a wireless environment
12/15/2004	CN1555531A Incremental bottom-up construction of data documents
12/14/2004	CA2218169C Client/server communication system
12/09/2004	WO2004107638A2 Improved wireless network cell controller
12/09/2004	WO2004107637A2 A system and method for transfering data from a source machine to a target machine
12/09/2004	WO2004107634A2 Wideband docsis on catv systems using port trunking
12/09/2004	WO2004107632A2 Method and appartus for automatic phy calibration based on negociated link speed
12/09/2004	WO2004107631A2 Universal presence indicator and instant messaging system
12/09/2004	WO2004093364A3 System for communicating and transmitting data in a multi-dwelling environment
12/09/2004	WO2004064290A9 Secondary transfers of restricted interests
12/09/2004	WO2004062175A3 Method and apparatus for improving performance of a wireless communication network
12/09/2004	US20040249984 System and method for distributing information in a network environment
12/09/2004	US20040248558 Method and apparatus for translating resource names in a wireless environment
12/09/2004	CA2526326A1 Wideband docsis on catv systems using port trunking
12/08/2004	EP1381955A4 Low power digital audio decoding/playing system for computing devices
12/08/2004	CN1554173A Media gateway using ATM-PVC to emulate a TDM interface
12/02/2004	WO2004105294A2 Power control and scheduling in an ofdm system
12/02/2004	WO2004105292A2 Device control apparatus and method
12/02/2004	WO2004105282A2 Method and apparatus for dynamic bandwidth allocation in an ethernet passive optical network
12/02/2004	WO2004068771B1 Apparatus and method for single encryption with multiple authorization of distributed content data
12/02/2004	US20040244043 Wideband DOCSIS on catv systems using port-trunking
12/02/2004	US20040243666 Method and apparatus for automatic Phy calibration based on negotiated link speed
12/02/2004	US20040243651 System and method for transfering data from a source machine to a target machine
12/02/2004	CA2780146A1 Power control and scheduling in an ofdm system
12/02/2004	CA2525588A1 Power control and scheduling in an ofdm system
12/01/2004	EP1482679A1 Multiplexing device
12/01/2004	EP1481505A1 Atm-port-module with integrated ethernet switch interface
12/01/2004	EP1212879B1 Method and system for transmitting a chain of messages for database
12/01/2004	CN1178533C Method for providing service and rate consulation in mobile communication system
12/01/2004	CN1178498C Video potential flow data error control method for radio communication
12/01/2004	CN1178168C A method of relaying digital video and audio data via a communication media
11/2004
11/30/2004	US6826523 Application development interface for multi-user applications executable over communication networks
11/25/2004	WO2004102857A2 User-defined templates for automatic image naming
11/25/2004	WO2004102856A2 Comparison tree data structures and lookup operations
11/25/2004	WO2004102855A2 Content publishing over mobile networks
11/25/2004	WO2004102854A2 Premium messaging exchange
11/25/2004	WO2004077732A3 Method for routing messages of routing nodes distributed with one or more connected remote applications
11/25/2004	WO2004077726A9 Outer-loop power control for wireless communication systems
11/25/2004	WO2004077718A3 Apparatus and method to optimize power management in an independent basis service set of a wireless local area network
11/25/2004	WO2004064301A3 Method and apparatus for synchronizing digital video using a beacon packet
11/25/2004	WO2004064300A3 A method and an apparatus for mapping an mpeg transport stream into ip packets for wlan broadcast
11/25/2004	WO2004010630A3 Logical access block processing protocol for transparent secure file storage
11/25/2004	WO2003065173A9 A system and method for managing knowledge
11/25/2004	US20040236859 Method for transmission of classified and prioritised information
11/25/2004	US20040235434 Method and apparatus for receiving site selection diversity transmit (SSDT) signal in a wideband code division multiple access (WCDMA) system
11/25/2004	CA2523012A1 Comparison tree data structures and lookup operations
11/24/2004	EP1480102A2 A gaming software distribution network in a gaming system environment
11/24/2004	CN1549988A An apparatus and method for encoding digital image data in alossless manner
11/23/2004	US6823275 Fault tolerant apparatus and method for determining a revolution rate of a gear
11/23/2004	CA2360909C System and method for generating signal waveforms in a cdma cellular telephone system
11/18/2004	WO2004100438A2 Method and system for wireless digital video presentation
11/18/2004	WO2004100435A2 Mac protocol for centralized wireless network communication management
11/18/2004	WO2004100434A2 A transform-based alias cancellation multi-channel tuner
11/18/2004	WO2004100431A2 Method and architecture for accessing an internet protocol multimedia subsystem (ims) over a wireless local area network (wlan)
11/18/2004	WO2004100429A2 Network download system
11/18/2004	WO2004100428A2 Managing contacts in a communication network
11/18/2004	WO2004100426A2 Wireless service points having unique identifiers for secure communication
11/18/2004	WO2004100425A2 Dynamic adaptive inter-layer control of wireless data communication networks
11/18/2004	WO2004100424A2 Wireless service point networks
11/18/2004	WO2004100420A2 A pattern driven message oriented compression apparatus and method
11/18/2004	WO2004100418A2 Mobile user location privacy solution based on the use of multiple identities
11/18/2004	WO2004100417A2 Method and apparatus for receiving site selection diversity transmit (ssdt) signal in a wideband code division multiple access (wcdma) system
11/18/2004	WO2004099933A2 Network meeting system
11/18/2004	WO2004084458A3 Wlan session management techniques with secure rekeying and logoff
11/18/2004	WO2004077727A3 Method and apparatus of maximizing packet throughput
11/18/2004	WO2004062170A8 Field transmitter with diagnostic self-test mode
11/18/2004	WO2004059896A3 Hpna hub
11/18/2004	US20040230966 User-defined templates for automatic image naming
11/18/2004	US20040228490 Wireless service points having unique identifiers for secure communication
11/18/2004	US20040228319 Virtual wireless local area networks
11/18/2004	US20040228283 Power control and scheduling in an OFDM system
11/18/2004	CA2524385A1 Method and architecture for accessing an internet protocol multimedia subsystem (ims) over a wireless local area network (wlan)
11/18/2004	CA2523543A1 Wireless service point networks
11/18/2004	CA2520507A1 Managing contacts in a communication network
11/17/2004	CN1547824A Method and apparatus for article authentication
11/16/2004	US6819943 Spatial spectral efficiency for wireless rings and network of links in millimeter wave (MMW) communication systems
11/11/2004	WO2004098111A2 Enhancing mobile multiple-access communication networks
11/11/2004	WO2004098110A2 Using policy-based management to support diffserv over mlps network

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