Patents
Patents for H04L - Transmission of digital information, e.g. telegraphic communication (4,618)
09/2004
09/10/2004WO2004077727A2 Method and apparatus of maximizing packet throughput
09/10/2004WO2004077726A2 Outer-loop power control for wireless communication systems
09/10/2004WO2004077721A2 Wireless communication system and method
09/10/2004WO2004077718A2 Apparatus and method to optimize power management in an independent basis service set of a wireless local area network
09/10/2004CA2517207A1 Transmission schemes for multi-antenna communication systems utilizing multi-carrier modulation
09/10/2004CA2516231A1 Outer-loop power control for wireless communication systems
09/08/2004EP1454478A1 Method and system for providing a private conversation channel in a videoconference system
09/08/2004EP1454451A1 Videoconference bandwidth selection mechanism
09/08/2004EP1454281A2 Quality of service setup on a time reservation basis
09/08/2004EP1454252A1 Videoconference session switching from unicast to multicast
09/08/2004CN1166107C Communication equipment and system
09/02/2004WO2004075466A2 Semantic knowledge retrieval management and presentation
09/02/2004WO2004075464A2 Haptic pads for use with user-interface devices
09/02/2004WO2004075457A2 Enforcement of network service level agreements
09/02/2004US20040170228 Frequency domain partial response signaling with high spectral efficiency and low peak to average power ratio
09/02/2004US20040170198 Scheduling and admission control of packet data traffic
09/02/2004US20040170122 Vertical roaming in wireless networks through improved wireless network cell boundary detection
09/02/2004CA2555280A1 Semantic knowledge retrieval management and presentation
09/01/2004EP1452040A2 Synchronization of chroma and luma using handshaking
09/01/2004EP1451672A1 Rich communication over internet
08/2004
08/31/2004US6785436 Method of and operating architectural enhancement for combining optical (photonic) and data packet-based electrical switch fabric networks with a common software control plane while providing increased utilization of such combined networks
08/26/2004WO2004073243A2 Channel, coding and power management for wireless local area networks
08/26/2004WO2004073241A2 Systems and methods for collaborative communication
08/26/2004WO2004073239A2 Time-critical filtering of information using domain ontologies
08/26/2004WO2004073238A2 An intermediary network system and method
08/26/2004WO2004073237A2 Virtual wireless local area networks
08/26/2004WO2004049614A3 Methods and systems for call management with user intervention
08/26/2004WO2004049608A3 Methods and systems for conference call buffering
08/26/2004US20040167465 System and method for medical device authentication
08/26/2004US20040165676 Transmission schemes for multi-antenna communication systems utilizing multi-carrier modulation
08/26/2004US20040165546 Time based wireless access provisioning
08/26/2004US20040164971 Haptic pads for use with user-interface devices
08/26/2004DE10251289B4 Sendeempfängervorrichtung und Verfahren zur effizienten Neuübertragung von Hochgeschwindigkeits-Paketdaten Transceiver device and method for the efficient retransmission of high-speed packet data
08/26/2004CA2515652A1 Systems and methods for collaborative communication
08/25/2004EP1450531A2 System and method for generating signal waveforms in a CDMA cellular telephone system
08/25/2004CN1163837C Network-access management system and method, and computer program product
08/19/2004WO2004071064A2 Robust mode staggercasting with adjustable delay offset
08/19/2004WO2004070999A2 Site equipment survey tool
08/19/2004WO2004070998A2 Recovering from de-synchronization attacks against watermarking and fingerprinting
08/19/2004WO2004070995A2 System and method for medical device authentication
08/19/2004WO2004070994A2 Wireless medical data communication system and method
08/19/2004WO2004070993A2 Interactive weather advisory system
08/19/2004WO2004070990A2 Robust mode staggercasting video quality enhancement
08/19/2004WO2004070989A2 Methods and apparatus for the utilization of core based nodes for state transfer
08/19/2004WO2004070987A2 Analog floating gate voltage sense during dual conduction programming
08/19/2004WO2004070986A2 Robust mode staggercasting
08/19/2004WO2004070953A2 Robust mode staggercasting fast channel change
08/19/2004WO2004070952A2 Robust mode staggercasting without artifacts
08/19/2004WO2004070585A2 Detecting collusion among multiple recipients of fingerprinted information
08/19/2004WO2004049676A3 Methods and systems for remote call establishment
08/19/2004WO2004049130A3 Methods and systems for directory information lookup
08/19/2004US20040162098 Outer-loop power control for wireless communication systems
08/19/2004CA2554546A1 Methods and apparatus for the utilization of core based nodes for state transfer
08/19/2004CA2515073A1 Site equipment survey tool
08/19/2004CA2514868A1 Interactive weather advisory system
08/19/2004CA2514571A1 Wireless medical data communication system and method
08/12/2004WO2004068838A2 Robust mode staggercasting reduced resolution video for mobile receiver
08/12/2004WO2004068775A2 Robust mode staggercasting user controlled switching modes
08/12/2004WO2004068774A2 System and method for sending data to a mobile device in a wireless network
08/12/2004WO2004068773A2 System and method for dynamically load balancing traffic in a wireless network
08/12/2004WO2004068771A2 Apparatus and method for single encryption with multiple authorization of distributed content data
08/12/2004WO2004068770A2 Multi-level expedited forwarding per hop behavior
08/12/2004WO2004068714A2 Robust mode staggercasting with multiple delays for multi-resolution signals
08/12/2004WO2004066706A2 Robust mode staggercasting storing content
08/12/2004WO2004015905A3 Methods and systems for categorizing and indexing human-readable data
08/12/2004WO2003041329A3 Data mirroring between controllers in an active-active controller pair
08/12/2004US20040158422 Fault tolerant apparatus and method for determining a revolution rate of a gear
08/12/2004US20040157536 Method of backgrinding wafers while leaving backgrinding tape on a chuck
08/12/2004US20040156495 Intermediary network system and method for facilitating message exchange between wireless networks
08/12/2004US20040156448 Blind detection
08/12/2004US20040156380 Multi-level expedited forwarding per hop behavior
08/12/2004US20040156348 Apparatus, and associated method, for performing packet zone timing operations at a mobile node operable in a packet radio communication system
08/11/2004EP1444830A2 Method and apparatus for encrypting media programs for later purchase and viewing
08/05/2004WO2004066545A2 Method and systems for global title translation
08/05/2004WO2004066544A2 Mitigating interference with frequency hopping signals by deriving future hop frequencies
08/05/2004WO2004066541A2 Adaptive transparent encryption
08/05/2004WO2004066539A2 Light fixture wireless access points
08/05/2004WO2004049677A3 Methods and systems for computer enhanced conference calling
08/05/2004WO2004049132A3 Method and apparatus for adaptive message notification
08/05/2004WO2004036811A3 Method and apparatus for interference suppression with efficient matrix inversion in a ds-cdma system
08/05/2004CA2553648A1 Adaptive transparent encryption
08/04/2004EP1443724A1 Gateway system
08/04/2004EP1442388A2 Remotely controlled failsafe boot mechanism and remote manager for a network device
07/2004
07/29/2004WO2004064308A2 Dual mode unit for short range, high rate and long range, lower rate data communications
07/29/2004WO2004064306A2 Method and apparatus for providing network service information to a mobile station by a wireless local area network
07/29/2004WO2004064305A2 Time based wireless access provisioning
07/29/2004WO2004064301A2 Method and apparatus for synchronizing digital video using a beacon packet
07/29/2004WO2004064300A2 A method and an apparatus for mapping an mpeg transport stream into ip packets for wlan broadcast
07/29/2004WO2004064297A2 Efficient room-temperature source of polarized single photons
07/29/2004WO2004064293A2 Bookmarks and watchpoints for selection and presentation of media streams
07/29/2004WO2004064290A2 Secondary transfers of restricted interests
07/29/2004WO2004064285A2 System and method of preventing the transmission of known and unknown electronic content to and from servers or workstations connected to a common network
07/29/2004WO2004040828A3 Intelligent wireless multicast network
07/29/2004WO2004023702A3 System and method for optical data communication
07/29/2004WO2003032553B1 Method and apparatus for encrypting media programs for later purchase and viewing
07/29/2004US20040148501 Apparatus and method for single encryption with multiple authorization of distributed content data
07/29/2004US20040145405 Analog floating gate voltage sense during dual conduction programming
07/28/2004EP1440554A1 Method and apparatus for initiating the coupling of a data device to a digital network, through a wireless messaging network
07/28/2004EP1440531A1 Method and apparatus for controlling data rate in a wireless communication system
07/28/2004CN1516032A Distributed computer system
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