| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 07/01/2004 | US20040125870 Interconnecting device with built-in power line communication modem |
| 07/01/2004 | US20040125860 Data transmission apparatus and data transmission method |
| 07/01/2004 | US20040125771 Adapting operation of a communication filter based on mobile unit velocity |
| 07/01/2004 | US20040124949 Component carrier |
| 07/01/2004 | US20040124871 Data bus |
| 07/01/2004 | US20040124851 Process for the relative locating of two electrical appliances |
| 07/01/2004 | US20040124848 Method and apparatus providing single cable bi-directional triggering between instruments |
| 07/01/2004 | US20040124847 Patchcord length measurement for LAN testers |
| 07/01/2004 | US20040124715 Apparatus and method for resonance reduction |
| 07/01/2004 | CA2505429A1 A power line communication system and method of using the same |
| 06/30/2004 | EP1434416A2 Packet voice system with far-end echo cancellation |
| 06/30/2004 | EP1434363A1 Efficient echo canceller and method |
| 06/30/2004 | CN2622938Y High voltage preventive protector for communication line |
| 06/30/2004 | CN1509539A Data communication apparatus and method based on orthogonal frequency deivision multiple access |
| 06/30/2004 | CN1509526A Power line networking apparatus and method |
| 06/30/2004 | CN1509525A Automatic gain control system for multi-user OFDM digital transmission system using the electric grid |
| 06/30/2004 | CN1509108A Wireless earphone for mobile phone |
| 06/30/2004 | CN1508983A Inter face for realizing automatic impedance matching and method thereof |
| 06/30/2004 | CN1508790A Regenerated signal processing |
| 06/29/2004 | US6757393 Wall-hanging entertainment system |
| 06/29/2004 | US6757385 Symmetry based subband acoustic echo cancellation |
| 06/29/2004 | US6757383 Compact cable balance network for echo-cancelling, and method for optimizing transhybrid loss and method and apparatus for circuit simulation |
| 06/29/2004 | US6757367 Packet based network exchange with rate synchronization |
| 06/29/2004 | US6757339 Minimum mean-squared error block-decision feedback sequence estimation in digital communication systems |
| 06/29/2004 | US6756881 Multiplex bus interface system and method for transmitting and receiving power and data |
| 06/29/2004 | US6756872 Resource-constrained turbo-equalization |
| 06/24/2004 | WO2004054127A1 Echo cancellation device with mobile crosstalk control |
| 06/24/2004 | WO2004054119A2 A power line communication apparatus and method of using same |
| 06/24/2004 | WO2004054118A2 Power line communication system and method |
| 06/24/2004 | WO2004054117A2 A Power Line Communication System and Method of Operating the Same |
| 06/24/2004 | WO2004053927A2 Simultaneous bidirectional differential signalling interface |
| 06/24/2004 | WO2004037613A3 Feed line structure |
| 06/24/2004 | US20040122531 Control apparatus and control method for managing communications between multiple electrical appliances through a household power line network |
| 06/24/2004 | US20040120432 Equalising and decoding device for frequency-selective channels |
| 06/24/2004 | US20040120419 I/O channel equalization based on low-frequency loss insertion |
| 06/24/2004 | US20040120405 Simultaneous bidirectional signal subtraction |
| 06/24/2004 | US20040120356 Method and system for modulating a carrier frequency to support nondestructive bitwise arbitration of a communication medium |
| 06/24/2004 | US20040120272 Echo canceller of ADSL system and training method thereof |
| 06/24/2004 | US20040120249 Automatic gain control system for multi-user digital OFDM transmission systems over the electric network |
| 06/24/2004 | US20040120203 Dynamic register with low clock rate testing capability |
| 06/24/2004 | US20040119549 Cross talk compensation circuit |
| 06/24/2004 | CA2505442A1 A power line communication apparatus and method of using same |
| 06/24/2004 | CA2505439A1 Power line communication system and method |
| 06/24/2004 | CA2505434A1 A power line communication system and method of operating the same |
| 06/23/2004 | EP1432221A1 Low-delay echo cancellation |
| 06/23/2004 | EP1432139A2 Digital data distribution system |
| 06/23/2004 | EP1432138A1 Digital data distribution method and system |
| 06/23/2004 | EP1432137A2 Echo detection and monitoring |
| 06/23/2004 | EP1432099A2 Control apparatus and control method for managing communications between multiple electrical appliances through a household power line network |
| 06/23/2004 | EP1430618A2 Method for operating a transmission system and transmission system in an energy supply network |
| 06/23/2004 | EP1430617A1 Charging device for mobile terminals with integrated powerline modem |
| 06/23/2004 | EP0965181B1 Power line communications system |
| 06/23/2004 | EP0691059B1 Secure access telephone extension system and method |
| 06/23/2004 | CN1507716A DMT system for reducing far end crosstalk |
| 06/23/2004 | CN1507702A Method and apparatus for acoustic ECHO cancellation in a communication system providing TTY/TDD service |
| 06/23/2004 | CN1507690A Method and apparatus for reducing electromagnetic radiation |
| 06/23/2004 | CN1507219A Home network system and method adding/deleting domestic electric appliance to/from the same system |
| 06/23/2004 | CN1506883A Crosstalk detecting method |
| 06/22/2004 | US6754338 Bidirectional loss/slope equalizer arrangement |
| 06/22/2004 | US6754263 Automatic equalizer |
| 06/22/2004 | US6754260 Digital modulation signal measuring device and method capable of evaluating spectrum of noise component |
| 06/22/2004 | US6754233 Method and apparatus for transmitting data between a central site and multiple data subscribers |
| 06/22/2004 | US6754187 Performance enhancement system for digital PBX |
| 06/22/2004 | US6753791 Burst QAM downhole telemetry system |
| 06/22/2004 | US6753761 Power transfer apparatus for concurrently transmitting data and power over data wires |
| 06/22/2004 | US6753742 Signal coupling apparatus for communication by medium voltage power line |
| 06/22/2004 | CA2277027C Method for measuring the attenuation in transmission lines |
| 06/19/2004 | CA2452425A1 Method and system for modulating a carrier frequency to support nondestructive bitwise arbitration of a communication medium |
| 06/17/2004 | US20040116160 Simultaneous bidirectional differential signalling interface |
| 06/17/2004 | US20040116101 Two-wire power transmitting/receiving device and its method |
| 06/17/2004 | US20040116081 Telecommunications test plugs having tuned near end crosstalk |
| 06/17/2004 | US20040114912 Reproduction signal processing device |
| 06/17/2004 | US20040114770 Directed acoustic sound system |
| 06/17/2004 | US20040114752 Fault characterization using information indicative of echo |
| 06/17/2004 | US20040114729 Fault characterization using information indicative of echo |
| 06/17/2004 | US20040114691 Data communication apparatus and method based on orthogonal frequency division multiple access |
| 06/17/2004 | US20040114678 Method and system for reducing interferences due to handshake tones |
| 06/17/2004 | US20040114677 Method and system for reducing interferences due to handshake tones |
| 06/17/2004 | US20040114551 Process for synchronization in the downstream of multipe users in a point multipoint system with OFDM modulation |
| 06/17/2004 | US20040114543 Bridge circuit to suppress echoes in communication devices |
| 06/17/2004 | US20040114542 Transceiver with accelerated echo canceller convergence |
| 06/17/2004 | US20040114503 Data communication system and method capable of limiting effects of crosstalk by adjusting transceiver power levels |
| 06/17/2004 | US20040113757 Power line communication system and method of operating the same |
| 06/16/2004 | EP1429508A2 System and method for establishing a power level for a communication signal transmitted on a wired conductor |
| 06/16/2004 | EP1429493A2 Hand-held tester and method for local network cabling |
| 06/16/2004 | EP1429470A2 Transceiver with accelerated echo canceller convergence |
| 06/16/2004 | EP1429466A1 Frequency dependent telecommunication hybrid circuit |
| 06/16/2004 | EP1429316A1 System and method for multi-referenced correction of spectral voice distortions introduced by a communication network |
| 06/16/2004 | EP1428326A1 Power line communications apparatus and method |
| 06/16/2004 | EP1428323A1 Power line communication circuit |
| 06/16/2004 | EP1428000A1 Apparatus for testing aramid fiber elevator cables |
| 06/16/2004 | EP0972347B1 Serial digital data communications receiver with automatic cable equalizer, agc system, and dc restorer |
| 06/16/2004 | EP0845175B1 Compensation of dispersion |
| 06/16/2004 | CN1505890A Method and apparatus for connecting a workstation to a wide area network |
| 06/16/2004 | CN1505882A Zipper DMT(discrete multi-tone) system and method for determining timing advance in the same system |
| 06/16/2004 | CN1505276A Method for estimating long delay time using coefficient of efficiency of circuit echo canceller |
| 06/16/2004 | CN1505275A An exercise method of time-domain equalizer |
| 06/16/2004 | CN1154254C Method of optimizing transmission and transmitter |
| 06/16/2004 | CN1154242C Digital echo eliminator |
| 06/15/2004 | US6751441 Intra-premises wireless broadband service using lumped and distributed wireless radiation from cable source input |