H04J - Multiplex communication

More topics under "H04J - Multiplex communication" (162,303)
H04J 1 - Frequency-division multiplex systems (15,293)
H04J 11 - Orthogonal multiplex systems (25,498)
H04J 13 - Code division multiplex systems (21,510)
H04J 14 - Optical multiplex systems (27,009)
H04J 3 - Time-division multiplex systems (63,408)
H04J 4 - Combined time-division and frequency-division multiplex systems (1,442)
H04J 7 - Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels (369)
H04J 9 - Multiplex systems in which each channel is represented by a different type of modulation of the carrier (524)
H04J 99 - Subject matter not provided for in other groups of this subclass (7,250)

Patents for H04J - Multiplex communication (421)
01/2007
01/03/2007	EP1652328B1 Use of polarization for differentiation of information
12/2006
12/28/2006	WO2005022797A3 Synchronization in a broadcast ofdm system using time division multiplexed pilots
11/2006
11/29/2006	CN1871814A Advanced, adaptive video multiplexer system
11/29/2006	CN1871795A Advanced, adaptive video multiplexer system
10/2006
10/25/2006	CN1853361A Methods for generating and transmitting frequency hopped signals
10/12/2006	WO2006106175A1 Method and arrangement for regenerating a timing signal in digital data communication
10/12/2006	WO2005057821A3 Method, software and apparatus for creating audio compositions
10/11/2006	EP1568198A4 Methods and systems for a call log
10/05/2006	WO2005078975A3 Vehicle headlamp
10/04/2006	EP1570359A4 Methods and systems for directory information lookup
10/04/2006	CN1842984A Use of polarization for differentiation of information
09/2006
09/21/2006	WO2006097574A1 Method and testing arrangement for testing a device using 8b/10b encoding and an 8b/10b encoder and decoder
09/12/2006	US7107314 Mail system synchronization using multiple message identifiers
09/05/2006	US7103111 System and method for generating a spectral efficient root raised cosine (RRC) pulse for increasing spectral efficiency
09/05/2006	US7103106 System and method for generating a modified IOTA pulse for reducing adjacent channel interference (ACI) in an isotropic orthogonal transfer algorithm (IOTA) orthogonal frequency division multiplexing (OFDM) system
08/2006
08/23/2006	EP1692796A2 Method and apparatus providing decentralized, goal-orientated adaptive learning in an adaptive orthogonal frequency division multiplex communication system
08/08/2006	US7089176 Method and system for increasing audio perceptual tone alerts
08/02/2006	CN1813425A Method and apparatus for providing forward error correction
08/01/2006	US7085282 Method and apparatus for providing forward error correction
07/2006
07/20/2006	US20060159454 Use of polarization for differentiation of information
07/13/2006	WO2005036787A3 Method for supporting a plurality of subscribers operating on different frequency bands using a single access point
07/06/2006	US20060146867 Apparatus and method for signal constitution for downlink of ofdma-based cellular system
07/06/2006	US20060146184 Video network
06/2006
06/28/2006	CN1795633A A method for conveying management information
06/21/2006	EP0883942B1 Channel selection in an optical tdma network
06/20/2006	US7065150 System and method for generating a root raised cosine orthogonal frequency division multiplexing (RRC OFDM) modulation
06/13/2006	US7061942 Apparatus for redundant multiplexing and remultiplexing of program streams and best effort data
06/07/2006	EP1665765A2 Video multiplexer system providing low-latency vcr-like effects and program changes
06/07/2006	EP1665594A2 Combined inverse fast fourier transform and guard interval processing for efficient implementation of ofdm based systems
05/2006
05/31/2006	EP1661310A2 Advanced, adaptive video multiplexer system
05/31/2006	EP1661274A2 Synchronization in a broadcast ofdm system using time division multiplexed pilots
05/31/2006	EP1661266A2 Advanced, self-balancing video multiplexer system
05/26/2006	WO2005022793A3 Multi-purpose network diagnostic modules
05/24/2006	EP1658692A2 Multi-purpose network diagnostic modules
05/11/2006	WO2006048863A1 Reconfigurable optical add drop multiplexer (roadm)
05/11/2006	WO2004114559A3 A system and method for generating a modified iota pulse for reducing adjacent channel interference (aci)
05/11/2006	WO2004091125A3 Methods and apparatus for interleaving in a block-coherent communication system
05/11/2006	DE19982854B4 Verfahren und Einrichtung zum Minimieren von Leerlaufbedingungen eines asynchronen Sendefifos und von Überlaufbedingungen eines Empfangsfifos Method and apparatus for minimizing idling conditions of an asynchronous Sendefifos and overflow conditions of Empfangsfifos
05/03/2006	EP1652328A1 Use of polarization for differentiation of information
05/03/2006	EP1568162A4 Methods and systems for conference call buffering
04/2006
04/27/2006	WO2005022792A3 Method of constructing wireless network for orthogonal frequency division multiplex and terminal employing ofdma method
04/26/2006	EP1649620A2 Methods for generating and transmitting frequency hopped signals
04/26/2006	EP1568170A4 Methods and systems for configuring and providing conference calls
04/26/2006	CN1764947A Method and system for increasing audio perceptual tone alerts
04/19/2006	EP1602219A4 Methods and systems for remote call establishment
03/2006
03/29/2006	EP1639724A2 Method and apparatus for providing forward error correction
03/29/2006	CN1754334A Method and system for authenticated fast channel change of media provided over a DSL connection
03/23/2006	WO2005022794A3 Combined inverse fast fourier transform and guard interval processing for efficient implementation of ofdm based systems
03/23/2006	WO2005008930A3 Methods for generating and transmitting frequency hopped signals
03/23/2006	US20060062514 Laser power grid
03/21/2006	US7016346 Apparatus and method for converting data in serial format to parallel format and vice versa
03/21/2006	US7016297 Method and apparatus providing decentralized, goal-orientated adaptive learning in an adaptive orthogonal frequency division multiplex communication system
03/15/2006	EP1634396A2 A system and method for generating a spectral efficient root raised cosine (rrc) pulse for increasing spectral efficiency
03/15/2006	EP1634395A2 A system and method for generating a modified iota pulse for reducing adjacent channel interference (aci) in an isotropic orthogonal transfer algorithm (iota) orthogonal frequency division multiplexing (ofdm) system
03/15/2006	EP1634394A2 A system and method for generating a root raised cosine orthogonal frequency division multiplexing (rrc ofdm) modulation
03/09/2006	WO2004114558A3 A system and method for generating a root raised cosine orthogonal frequency division multiplexing (rrc ofdm) modulation
03/07/2006	US7009501 System and method of optical data communication with multiple simultaneous emitters and receivers
03/02/2006	WO2004114560A3 Generating a spectrally efficient root raised cosine pulse
02/2006
02/22/2006	EP1627483A1 A method for conveying management information
02/07/2006	US6996129 Advanced, adaptive video multiplexer system
01/2006
01/24/2006	US6989762 Proximity-based automatic ID code reconfiguration of wireless input/output systems
01/18/2006	EP1617690A2 Uplink-frame at the transcoder-base-station interface in a mobile cellular radio communication network
01/12/2006	WO2005029738A3 Method and apparatus for synchronizing audio and video in encrypted videoconferences
01/11/2006	EP1614241A2 Methods and apparatus for interleaving in a block-coherent communication system
01/04/2006	EP1611767A1 A method in a transceiver for allocating transmission capacity between the two directions of transmission in wire line data communication
12/2005
12/27/2005	US6980509 Transmitting device and method, and providing medium
12/22/2005	US20050281224 Proximity-based automatic ID code reconfiguration of wireless input/output systems
12/21/2005	EP1606799A2 Method and system for increasing audio perceptual tone alerts
12/15/2005	US20050278165 Method and system for increasing audio perceptual tone alerts
12/15/2005	US20050276284 Advanced, self-balancing video multiplexer system
12/07/2005	EP1602219A2 Methods and systems for remote call establishment
12/01/2005	WO2005057820A3 Method and apparatus providing decentralized, goal-orientated adaptive learning in an adaptive orthogonal frequency division multiplex communication system
11/2005
11/30/2005	EP1568193A4 Methods and systems for computer enhanced conference calling
11/23/2005	EP1597887A2 Ofdm communication device
10/2005
10/12/2005	EP1584197A2 Video network
09/2005
09/08/2005	US20050198686 Advanced, adaptive video multiplexer system
09/07/2005	EP1570588A2 Apparatus and method for signal constitution for downlink of ofdma-based cellular system
09/07/2005	EP1570370A1 Methods and systems for multiuser selective notification
09/07/2005	EP1570359A2 Methods and systems for directory information lookup
09/01/2005	US20050190794 Video multiplexer system providing low-latency VCR-like effects and program changes
08/2005
08/31/2005	EP1568202A2 Method and apparatus for adaptive message notification
08/31/2005	EP1568201A1 Methods and systems for cpn triggered collaboration
08/31/2005	EP1568198A2 Methods and systems for a call log
08/31/2005	EP1568196A1 Methods and systems for line management
08/31/2005	EP1568195A1 Method and systems for single number text messaging
08/31/2005	EP1568194A2 Methods and systems for call management with user intervention
08/31/2005	EP1568193A2 Methods and systems for computer enhanced conference calling
08/31/2005	EP1568170A1 Methods and systems for configuring and providing conference calls
08/31/2005	EP1568169A2 Methods and systems for automatic forwarding of communications to a preferred device
08/31/2005	EP1568162A2 Methods and systems for conference call buffering
08/31/2005	EP1568150A2 Methods and systems for automatic communication line management based on device location
08/25/2005	WO2005078975A2 Vehicle headlamp
08/24/2005	EP1566047A1 Methods and systems for notification of call to device
08/24/2005	EP1566044A1 Methods and systems for preemptive rejection of calls
08/11/2005	US20050174826 Methods and apparatuses for peak detection among multiple signals
07/2005
07/20/2005	EP1554828A2 Proximity-based automatic id code reconfiguration of wireless input/output systems
07/14/2005	WO2004112290A3 Receiving system for video conferencing system
07/07/2005	US20050148351 Methods and systems for single number text messaging
06/2005
06/23/2005	WO2005057821A2 Method, software and apparatus for creating audio compositions
06/23/2005	WO2005057820A2 Method and apparatus providing decentralized, goal-orientated adaptive learning in an adaptive orthogonal frequency division multiplex communication system

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