| Patents for H04B 3 - Line transmission systems (31,523) |
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| 04/01/2009 | EP1323244A4 Method and apparatus for signal integrity verification |
| 04/01/2009 | EP1275188B1 Method and device for monitoring enablement of an electrical apparatus connected to a power grid |
| 04/01/2009 | CN101401274A System for supplying power and data to electrical consumers |
| 04/01/2009 | CN101399566A Electric line network device capable of outputting AC power source |
| 04/01/2009 | CN101399565A Real-time electricity monitoring system for network |
| 04/01/2009 | CN101398204A Air conditioning system and outdoor unit |
| 04/01/2009 | CN101397110A Communication system for elevator |
| 04/01/2009 | CN100474827C Terminal device and method for master-slave handover in media access communication system |
| 04/01/2009 | CN100474788C Pipeline communication method |
| 03/31/2009 | US7512192 Phase conjugated vectoring of signals in telephone cables |
| 03/31/2009 | US7512190 Data transmission apparatus using asynchronous dual-rail bus and method therefor |
| 03/31/2009 | US7512183 Differential transmitter circuit |
| 03/31/2009 | US7512178 Equalizing a signal for transmission |
| 03/31/2009 | US7512177 Method and apparatus for generating random jitter |
| 03/31/2009 | US7510991 Oxides of aluminum calcium, chromium, copper, iron, magnesium, manganese, nickel, silica and titanium; reshapes waveform or filters waveform glitches of electronic signals |
| 03/26/2009 | WO2009039034A1 Buffering techniques for power management |
| 03/26/2009 | WO2009038669A1 Optimizing precoder settings using average sinr reports for groups of tones |
| 03/26/2009 | WO2009038227A1 Communication apparatus, communication system, communication method, integrated circuit and circuit module |
| 03/26/2009 | WO2009038182A1 System identifying device and system identifying method |
| 03/26/2009 | WO2009036834A1 Motor vehicle |
| 03/26/2009 | US20090083819 Optimization Of A Full Duplex Wideband Communications System |
| 03/26/2009 | US20090080501 Mobile communication systems and ranging methods thereof |
| 03/26/2009 | US20090080415 Late frame recovery method |
| 03/26/2009 | US20090077989 Outdoor unit and air conditioning system using the same |
| 03/25/2009 | EP2039049A2 Adaptative multi-carrier code division multiple access |
| 03/25/2009 | EP2039018A2 Estimation of transmission line insertion loss |
| 03/25/2009 | EP1386431B1 Clock synchronization over a powerline modem network for multiple devices |
| 03/25/2009 | EP1256180A4 Pcm modem adaptation system utilizing a silence period |
| 03/25/2009 | EP1062737B8 Method for setting up echo suppression devices in communication links with automatic machines |
| 03/25/2009 | CN101394376A Isolation transmitter for field bus |
| 03/25/2009 | CN101394200A Zero frequency conversion and adaptive frequency selecting power line carrier data transmission method |
| 03/24/2009 | US7509154 Signal processing apparatus |
| 03/24/2009 | US7508948 Reverberation removal |
| 03/24/2009 | US7508931 Method for detecting echo path changes in echo cancellers |
| 03/24/2009 | US7508894 Apparatus of adjusting wobble clock |
| 03/24/2009 | US7508892 Receiver circuit comprising equalizer |
| 03/24/2009 | US7508881 Current mode differential transmission method and system for transmitting three units of data using four signal lines |
| 03/24/2009 | US7508868 Systems and methods for testing the performance of and simulating a wireless communication device |
| 03/24/2009 | US7508842 Method and apparatus for pilot signal transmission |
| 03/24/2009 | US7508834 Wireless link for power line communications system |
| 03/24/2009 | US7508219 Apparatus and method for measuring loop insertion loss single-endedly |
| 03/24/2009 | CA2426004C System identification method |
| 03/19/2009 | WO2009033548A1 A device and associated method for measuring crosstalk |
| 03/19/2009 | US20090076400 Signal processing apparatus |
| 03/19/2009 | US20090075587 Apparatus and method for scheduling in a multi-hop relay wireless communication system |
| 03/19/2009 | US20090074085 Communication device, multi carrier transmission system, communication method, and recording medium |
| 03/19/2009 | US20090074046 Data Structure Boundary Synchronization Between a Transmitter and Receiver |
| 03/19/2009 | US20090074045 Estimating frequency offset at a subscriber station receiver |
| 03/19/2009 | US20090073903 Echo cancellation |
| 03/19/2009 | US20090072955 Wearable coin-sized sensory devices, and related systems and methods, providing immediate wireless notification of activities on separate electronic devices |
| 03/19/2009 | US20090072896 Equalizer Filters Including a Low-Pass Filter Unit and an Equalizer Having a Group Delay Control Unit and Related Methods |
| 03/19/2009 | US20090072151 Parameter Adjustment for Medical Device |
| 03/18/2009 | EP2037699A1 Echo suppressor |
| 03/18/2009 | EP2037599A2 Booster, monitoring, apparatus, booster system, control method and monitoring method |
| 03/18/2009 | EP1714398B1 Echo canceller with interference-level controlled step size |
| 03/18/2009 | CN201210675Y Electric carrier communication system |
| 03/18/2009 | CN101388749A A device and associated method for measuring crosstalk |
| 03/18/2009 | CN100471081C Apparatus for providing security for powderlnie-modem network |
| 03/17/2009 | US7505734 System and method for communicating broadcast messages in a mesh network |
| 03/17/2009 | US7505521 Data transmission system and method |
| 03/17/2009 | US7505520 Communication system between integrated circuit devices for propagating data in serial |
| 03/17/2009 | US7504906 Method for manufacturing an equalizer |
| 03/12/2009 | WO2009032092A1 Method and apparatus for self-tuning precoder |
| 03/12/2009 | WO2009031930A1 Compensating conductive circuit |
| 03/12/2009 | WO2009031595A1 Sound collection device |
| 03/12/2009 | WO2009013008A3 Repeater for a bidirectional serial bus |
| 03/12/2009 | WO2008052668A3 Method and device for bus arbitration, converter and manufacturing installation |
| 03/12/2009 | US20090068947 Multi-function general purpose transceivers & devices |
| 03/12/2009 | US20090067640 Wireless and wired speaker hub for a home theater system |
| 03/12/2009 | US20090067637 Echo control retrofit |
| 03/12/2009 | US20090067615 Echo cancellation using gain control |
| 03/12/2009 | US20090067559 System and method for high-speed decoding and isi compensation in a multi-pair transceiver system |
| 03/12/2009 | US20090067480 Method and System for Monitoring Various Signals in a Continuous Processing Circuit for a Single Channel in a Communication System |
| 03/12/2009 | US20090067353 System and method for detecting anomalies along telecommunication lines |
| 03/11/2009 | EP2034622A1 A device and associated method for measuring crosstalk |
| 03/11/2009 | EP2001139A9 METHOD AND APPARATUS FOR AVOIDING FALSE INITIATING OF xDSL TRANSCEIVER |
| 03/11/2009 | EP1421690B1 Method and apparatus for encoding and decoding digital communications data |
| 03/11/2009 | CN201207656Y Curvity radius experimental instrument for network integration wire laying |
| 03/11/2009 | CN101383084A Isolation type bus supplying communication system |
| 03/11/2009 | CN100468983C System and method for improving waveform distortion during signal transmission process |
| 03/10/2009 | US7502951 Adjustment system and method for automatically adjusting the gain of a voltage signal |
| 03/10/2009 | US7502481 Microphone with ultrasound/audible mixing chamber to secure audio path |
| 03/10/2009 | US7502410 Method and system for controlling a notching mechanism |
| 03/10/2009 | US7502338 De-emphasis training on a point-to-point connection |
| 03/10/2009 | US7502337 Intelligent voice network monitoring using echo cancellation statistics |
| 03/10/2009 | US7502336 Multi-carrier communication using adaptive tone-pruning |
| 03/10/2009 | US7501914 Bias circuit |
| 03/05/2009 | WO2009029454A1 Error catch ram support using fan-out/fan-in matrix |
| 03/05/2009 | WO2009028425A1 Communication terminal and communication system |
| 03/05/2009 | WO2009028349A1 Particular signal erase method, particular signal erase device, adaptive filter coefficient update method, adaptive filter coefficient update device, and computer program |
| 03/05/2009 | WO2008156432A3 Compensating transmit/receive crosstalk over a capacitive barrier of an isolating interface with a differentiating circuit |
| 03/05/2009 | US20090060219 Audio signal transmitting apparatus, audio signal receiving apparatus, audio signal transmission system, audio signal transmission method, and program |
| 03/05/2009 | US20090060218 Mobile microphone |
| 03/05/2009 | US20090060151 Network for telephony and data communication |
| 03/05/2009 | US20090060067 Determining channel matrices by correlated transmissions to different channels |
| 03/05/2009 | US20090060062 Induction Neutralizing Transformer |
| 03/05/2009 | US20090060061 Communication apparatus, communication method, and integrated circuit |
| 03/05/2009 | US20090060060 Method for transmitting a signal from a transmitter to a receiver in a power line communication network, transmitter, receiver, power line communication modem and power line communication system |
| 03/05/2009 | US20090060023 Transmission circuit, cmos semiconductor device, and design method thereof |
| 03/05/2009 | US20090060009 Aggregate data frame generation |