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)
05/2003
05/15/2003WO2003041328A2 Method and apparatus for selecting references for prefetching in an optimizing compiler
05/15/2003US20030091053 Systems and methods for multi-pair ATM over DSL
05/14/2003EP1311126A2 Transmitting apparatus and method, receiving apparatus and method, program and recording medium, and transmitting/receiving system
05/14/2003EP1311104A2 Method and arrangement for signalling in a wireless IP multimedia system
05/13/2003US6563884 Method and apparatus for seamlessly changing the radio interface data rate in circuit switched transmission
05/08/2003WO2003039103A1 Method and apparatus for initiating the coupling of a data device to a digital network, through a wireless messaging network
05/08/2003US20030088863 Method and apparatus for selecting references for prefetching in an optimizing compiler
05/06/2003US6560720 Error injection apparatus and method
05/06/2003US6560220 Network access device and telecommunications signaling
05/02/2003EP1307025A2 A distributed computer system
05/02/2003EP1307024A2 A distributed computer system
05/02/2003EP1307023A2 A distributed computer system
05/02/2003EP1307022A2 System fo facilitate ordering of an item
05/02/2003EP1305938A1 Real time fax over packet based network
05/01/2003WO2003036848A1 Method and apparatus for controlling data rate in a wireless communication system
05/01/2003WO2002080435A3 Index selection method
05/01/2003WO2002049314A3 Generating and implementing a communication protocol and interface for high data rate signal transfer
05/01/2003US20030084337 Remotely controlled failsafe boot mechanism and manager for a network device
05/01/2003US20030081579 Apparatus and method for coupling a network data device to a digital network
05/01/2003CA2464118A1 Method and apparatus for controlling data rate in a wireless communication system
04/2003
04/24/2003WO2003034635A2 Field technician communicator
04/24/2003WO2003034196A1 Rich communication over internet
04/24/2003WO2003005623A3 Protection path resources allocating method and system
04/24/2003WO2002056527A3 Predictive automated routing system (pars) for securities trading
04/24/2003US20030078065 Method and apparatus for controlling data rate on a forward channel in a wireless communication system
04/24/2003US20030076367 Rich communication over internet
04/24/2003CA2463877A1 Rich communication over internet
04/23/2003EP1304830A2 Virtual private network management
04/23/2003EP0621998B2 Method and apparatus for the formatting of data for transmission
04/22/2003US6553517 Interleavers and de-interleavers
04/17/2003WO2003032555A2 Systems and methods for multi-pair atm over dsl
04/17/2003WO2003032553A2 Method and apparatus for encrypting media programs for later purchase and viewing
04/17/2003WO2003005627A3 Mobile application access control list security system
04/17/2003US20030074480 Method and system for oversubscribing a pool of modems
04/17/2003DE20215691U1 VDSL transmission unit has non standard low frequency uplink band
04/16/2003CN1411194A Data stream priority and control for spread spectrum multi-user channel
04/10/2003WO2003030434A2 Remotely controlled failsafe boot mechanism and remote manager for a network device
04/10/2003WO2003030431A2 Packet classification in a storage system
04/10/2003WO2003029945A1 Low power digital audio decoding/playing system for computing devices
04/10/2003WO2003009514A3 Incremental bottom-up construction of data documents
04/10/2003WO2003005626A3 An apparatus and method for encoding digital image data in a lossless manner
04/10/2003US20030069958 Virtual private network management
04/10/2003US20030069015 Method and apparatus for remote initiation of ARINC 615 downloads
04/03/2003WO2003028268A2 Method for managing services in a communication system? service control device and computer program
04/03/2003WO2002103954A3 Data mining platform for bioinformatics and other knowledge discovery
04/02/2003CN1408154A Method, system and device for proving authenticity of entity and/or integrity and/or authenticity of message
04/02/2003CN1104691C Distributed computer system
03/2003
03/27/2003WO2003005525A3 System and method for managing object based clusters
03/27/2003WO2002071679A3 Theft resistant graphics
03/27/2003WO2002065683A9 Method and apparatus for remote initiation of arinc 615 downloads
03/27/2003US20030061477 Method and apparatus for encrypting media programs for later purchase and viewing
03/27/2003US20030060911 Low power digital audio decoding/playing system for computing devices
03/27/2003US20030059050 Method and apparatus for article authentication
03/18/2003US6535517 Network access device monitoring
03/13/2003WO2002079918A3 Methods and apparatus for wireless upload and download of aircraft data
03/12/2003EP1290863A1 Modem relay over packet based network
03/06/2003WO2003019841A2 Enhanced protocol conversion system
03/06/2003WO2003019459A2 Method and apparatus for article authentication
03/06/2003WO2002084921A3 System and method for downloading code
03/06/2003US20030046472 Enhanced protocol conversion system
03/06/2003US20030044446 A multilayered film comprising a first, water-soluble adhesive layer to be placed in contact with a mucosal surface and a second, water-erodible non-adhesive backing layer that controls residence time; drug delivery from mouth
03/06/2003US20030043777 Method for optimizing performance in wireless networks
03/06/2003CA2457023A1 Method and apparatus for article authentication
03/05/2003EP1232457A4 System for and method of conducting on-line auctions
02/2003
02/27/2003WO2003017613A1 Method, data carrier, computer system and computer programme for the identification and defence of attacks on server systems of network service providers and operators
02/27/2003WO2003015748A2 Mucoadhesive erodible drug delivery device for controlled administration of pharmaceuticals and other active compounds
02/27/2003CA2459692A1 Mucoadhesive erodible drug delivery device for controlled administration of pharmaceuticals and other active compounds
02/27/2003CA2456902A1 Method, data carrier, computer system and computer programme for the identification and defence of attacks on server systems of network service providers and operators
02/20/2003WO2003015344A1 Encrypted data delivery system
02/20/2003WO2003015332A2 Block data storage within a computer network
02/20/2003WO2003015331A2 Digital transmission and control system for vehicles
02/20/2003WO2002065683A3 Method and apparatus for remote initiation of arinc 615 downloads
02/20/2003CA2455641A1 Block data storage within a computer network
02/13/2003WO2002027999A3 Method and device for a health management system
02/13/2003WO2002019597A3 Innovation engines
02/06/2003WO2002045323A3 Data relationship model
02/06/2003US20030028731 Block data storage within a computer network
02/06/2003US20030028557 Incremental bottom-up construction of data documents
02/05/2003EP1282329A1 Digital circuit multiplexing device
01/2003
01/30/2003WO2003009514A2 Incremental bottom-up construction of data documents
01/30/2003WO2002073659A3 Method for optimizing software distribution in large communication networks
01/30/2003WO2002047313A3 Method and apparatus for predicting the failure of a component
01/30/2003WO2002019601A3 Method, apparatus, and manufacture for facilitating a self-organizing workforce
01/30/2003US20030021485 Apparatus and method for encoding digital image data in a lossless manner
01/29/2003CN1394307A Application development interface for multi-user applications executable over communication network
01/28/2003US6512763 Method and apparatus for data routing, delivery, and authentication in a packet data network
01/23/2003WO2003007562A1 Media gateway using atm-pvcs to emulate a tdm interface
01/16/2003WO2003005627A2 Mobile application access control list security system
01/16/2003WO2003005626A2 An apparatus and method for encoding digital image data in a lossless manner
01/16/2003WO2003005623A2 Protection path resources allocating method and system
01/16/2003WO2003005525A2 System and method for managing object based clusters
01/16/2003US20030014766 Entertainment and computer coaxial network and method of distributing signals therethrough
01/16/2003CA2454778A1 System and method for managing object based clusters
01/09/2003WO2003003640A2 Java compile-on-demand service system for accelerating processing speed of java program in data processing system and method thereof
01/09/2003US20030009675 Mobile application access control list security system
01/09/2003US20030007495 Telecommunication system comprising ATM core network
01/08/2003CN1098587C Communication terminal and control method therefor
01/02/2003US20030005425 Java compile-on-demand service system for accelerating processing speed of java program in data processing system and method thereof
01/02/2003US20030005302 Theft resistant graphics
01/02/2003US20030003872 Methods and apparatus for wireless upload and download of aircraft data
1 ... 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47