| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 11/13/2008 | US20080279268 Method for measuring noise, apparatus for measuring noise, and program for measuring noise |
| 11/13/2008 | US20080279221 Method for estimating and compensating IQ imbalance in OFDM systems |
| 11/13/2008 | US20080279220 Preamble structure and acquisition for a wireless communication system |
| 11/13/2008 | US20080279199 Power Line Communication System and Communication Device Used in the System |
| 11/13/2008 | US20080278256 Rf - coupled digital isolator |
| 11/13/2008 | US20080278255 Rf-coupled digital isolator |
| 11/12/2008 | EP1990929A1 Power line communication apparatus, and method and apparatus for controlling electric devices |
| 11/12/2008 | CN201150146Y Energy-saving controller for single road lamp |
| 11/12/2008 | CN201150088Y Automatic call-for-help system for elevator |
| 11/12/2008 | CN201150072Y Transmission system for coal mine safety co-cable Ethernet |
| 11/12/2008 | CN201150061Y Assembly combining power line network apparatus, router and power socket as one body |
| 11/12/2008 | CN101305524A Method and apparatus for power line communication |
| 11/12/2008 | CN101305351A Universal network interface for home network |
| 11/12/2008 | CN101304460A Sound echo inhibitor for hand free voice communication |
| 11/12/2008 | CN101304266A Digital low-voltage electric power line length subsection-setting transmission integrated information system |
| 11/12/2008 | CN101304265A Method and apparatus for data reception |
| 11/12/2008 | CN100433773C Verificution for proper coupling of power line communication units to power-supply circuit |
| 11/12/2008 | CN100433743C Active terminating device with optional line-receiving and line-driving capabilities |
| 11/12/2008 | CN100433576C Echo Remover |
| 11/12/2008 | CN100433185C Self refresh oscillator |
| 11/11/2008 | US7450930 Digital rights management using a triangulating geographic locating device |
| 11/11/2008 | US7450714 Echo canceller having improved non-linear processor |
| 11/11/2008 | US7450713 Echo canceller employing dual-H architecture having improved non-linear echo path detection |
| 11/11/2008 | US7450649 Current mode digital data transmitter |
| 11/11/2008 | US7450636 Adaptive transmit equalizer |
| 11/11/2008 | US7450633 Wander generator, and digital line tester and phase noise transfer characteristic analyzer using the same |
| 11/11/2008 | US7450528 Method and apparatus for performing echo suppression |
| 11/11/2008 | US7450519 Auto-negotiation monitor system, repeating-transmission apparatus, and auto-negotiation monitor method used therefor |
| 11/11/2008 | US7449991 Power line communications device and method |
| 11/11/2008 | US7449796 Power over ethernet controller suitable for multiple modes |
| 11/06/2008 | WO2008133548A2 Method for sending and taking off a signal with digital data in the power distribution network of a building |
| 11/06/2008 | WO2008027213A3 Distributed antenna communications system and methods of implementing thereof |
| 11/06/2008 | WO2008002718A3 Method and system for analysis and visualization of a wireless communications network |
| 11/06/2008 | WO2007118072A3 Apparatus and method for remotely powering a data acquisition or utilization device |
| 11/06/2008 | WO2007035729A3 Method of synchronizing a wireless device using an external clock |
| 11/06/2008 | US20080274691 Cable System with Active RF Device Powered by RF Energy Converted to DC Power, and Associated Method |
| 11/06/2008 | US20080273710 Selector and Amplifier Device Therefor |
| 11/06/2008 | US20080273604 Transmission method and system for the discrete multi-modulation data |
| 11/06/2008 | US20080273603 Differential signal transmitting apparatus and differential signal receiving apparatus |
| 11/06/2008 | US20080273602 Data transmission apparatus with information skew and redundant control information and method |
| 11/06/2008 | US20080273601 Communication Network Based on Master/Slave Architecture for Connecting Sensors and Actuators |
| 11/06/2008 | US20080273584 Generating test sequences for circuit channels exhibiting duty-cycle distortion |
| 11/06/2008 | US20080273583 Channel estimation for ofdm-based wireless communication system using sparsely spaced pilot subcarriers |
| 11/06/2008 | US20080273581 Communication apparatus and communication method using digital wavelet multi carrier transmission system |
| 11/06/2008 | US20080273555 Communications system using adaptive baseband injected pilot carrier symbols and related method |
| 11/06/2008 | US20080273548 Configuration of service groups in a cable network |
| 11/06/2008 | US20080273013 Infrared Touch Screen Gated By Touch Force |
| 11/06/2008 | US20080272932 Data Communication and Power Supply System for Downhole Applications |
| 11/06/2008 | US20080272904 Signalling Method |
| 11/06/2008 | DE102007019777A1 Computer e.g. personal computer, has power line modem integrated in power supply, where computer establishes certain connection to another computer through modem by connection of port at modem and network port over cable |
| 11/05/2008 | EP1986811A2 A welding-type system with power source and remote device connected through a weld cable using binary phase shift keying for transmitting commands over the weld cable; a method of remotely controlling such power source using such transmitting phase shift keying |
| 11/05/2008 | EP1756960A4 Ultra-wideband communication through a wire medium |
| 11/05/2008 | EP1386415A4 Parametric virtual speaker and surround-sound system |
| 11/05/2008 | EP1352493B1 Crosstalk identification for spectrum management in broadband telecommunications systems |
| 11/05/2008 | EP1188251B1 Qualifying telephone lines for data transmission |
| 11/05/2008 | CN201146506Y Relay transmission apparatus for power line network signal traversing transformer |
| 11/05/2008 | CN100431289C Optical transmission systems using optical amplifiers and wavelength division multiplexing |
| 11/05/2008 | CN100431279C Communication set supporting method and communication set supporting system |
| 11/05/2008 | CN100430911C Bus interface technology |
| 11/04/2008 | US7447511 Method and device for equalizing mode selection |
| 11/04/2008 | US7447290 Apparatus of phase-frequency detector |
| 11/04/2008 | US7447260 Equalizer, equalization method, and transmitter |
| 11/04/2008 | US7447200 System and method for simultaneously transporting different types of information over a power line |
| 11/04/2008 | US7446622 Transmission line with low dispersive properties and its application in equalization |
| 11/04/2008 | US7446571 Data transmission system and cable |
| 11/04/2008 | US7445042 Signalling method and apparatus |
| 11/04/2008 | CA2521473C System and method for preventing phantom data communication links |
| 10/30/2008 | WO2007121301A3 Audible product information device |
| 10/30/2008 | WO2007112318A3 Method for the synchronization of media gateways on an ip network |
| 10/30/2008 | US20080268710 Next High Frequency Improvement by Using Frequency Dependent Effective Capacitance |
| 10/30/2008 | US20080267301 Bidirectional multiplexed rf isolator |
| 10/30/2008 | US20080267275 Cordless phone detection in 2.4 ghz for interference mitigation |
| 10/30/2008 | US20080267267 Data interface method and apparatus |
| 10/30/2008 | US20080266134 Power Line Communication System, Device and Method |
| 10/30/2008 | US20080266019 Differential transmission line |
| 10/30/2008 | DE102007018585A1 Device for determination and compensation of interfering signals in information transmission system, has pairs of wires of symmetrical conductor bundles and connections for both side connections of signal lines of pair of wires |
| 10/29/2008 | EP1986338A1 Method and apparatus for power line communication |
| 10/29/2008 | EP1985029A1 Method of data communication between plc stations belonging to different plc cells and apparatus thereof |
| 10/29/2008 | EP1985028A1 Method and apparatus for packet aggregation in power line communication network |
| 10/29/2008 | EP1847035A4 Alternating current power strip with network repeating and management |
| 10/29/2008 | EP1342398A4 Energy pathway arrangements for energy conditioning |
| 10/29/2008 | EP1188250B1 Inter-network line level adjustment method and system |
| 10/29/2008 | EP1060610B1 Echo canceller employing dual-h architecture having split adaptive gain settings |
| 10/29/2008 | CN201142741Y Wall embedding type fixing device |
| 10/29/2008 | CN201142688Y Network processing controller |
| 10/29/2008 | CN201142683Y Special interface for naught 50 electric power L2C2 |
| 10/29/2008 | CN201142133Y Intelligent switch |
| 10/29/2008 | CN101297497A Method, device and program product for estimating telecommunication transmission circuit property |
| 10/29/2008 | CN101296091A Method for conveying electric power and serial bus signal based on Ethernet cable |
| 10/29/2008 | CN101295924A Method and device for eliminating mutual inductance coupling electromagnetic interference |
| 10/28/2008 | US7443931 Apparatus and method for channel estimation using a signal correlation and a signal energy to approximate a channel parameter |
| 10/28/2008 | US7443927 Signal detector |
| 10/28/2008 | US7443915 Method and apparatus for providing out of band communications over structured cabling |
| 10/28/2008 | US7443910 PHY control module for a multi-pair gigabit transceiver |
| 10/28/2008 | US7443812 Voice and data exchange over a packet based network with AGC |
| 10/28/2008 | US7443810 Wireless terminals |
| 10/23/2008 | WO2008124924A1 De-emphasizing cable equalizer |
| 10/23/2008 | US20080261520 Wireless communication system and lift system having the same |
| 10/23/2008 | US20080261519 Dual cancellation loop wireless repeater |
| 10/23/2008 | US20080261518 Method for Transmitting Messages by Radio While Using a Repeater |