| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 03/05/2009 | US20090059961 Mobile channel estimation algorithm for dvb-h cofdm demodulator |
| 03/05/2009 | US20090059960 Voice and data exchange over a packet based network with timing recovery |
| 03/05/2009 | US20090059821 Acoustic echo cancellation based on noise environment |
| 03/04/2009 | EP2031779A1 Antenna cable disconnection detecting device for radio communication device for construction machine, and radio communication device for construction machine |
| 03/04/2009 | EP2030454A2 Vectored dsl system |
| 03/04/2009 | EP2030336A1 Communication apparatus and method |
| 03/04/2009 | EP1561291B1 Amplitude and phase matching for layered modulation reception |
| 03/04/2009 | EP1419560B1 High data rate interconnecting device |
| 03/04/2009 | CN201204603Y Conducted interference unit for Ethernet |
| 03/04/2009 | CN201203795Y Terminal device for monitoring carrier |
| 03/04/2009 | CN201203647Y AC zero-cross detection circuit and electric force carrier adapter with the same |
| 03/04/2009 | CN101379714A Method and apparatus for detection and prevention of crosstalk in a multiple tuner receiver |
| 03/04/2009 | CN101378613A LED light source and LED lamp body |
| 03/04/2009 | CN100466461C Slicing algorithm for multi-level modulation equalizing schemes |
| 03/04/2009 | CN100465595C A phase difference measurer and a heterodyne interference measuring system using the device |
| 03/04/2009 | CA2638683A1 Method and system for provisioning customer premises equipment |
| 03/03/2009 | US7499488 Impulse noise detection from preamble symbols |
| 03/03/2009 | US7499406 Method and apparatus for estimating and reporting the quality of a wireless communication channel |
| 03/03/2009 | US7498935 Power-line carrier communication apparatus |
| 03/03/2009 | US7498895 Noise filter, outdoor unit and air conditioner |
| 03/03/2009 | US7498696 Voltage grading and shielding method for a high voltage component in a PCB and an X-ray apparatus |
| 02/26/2009 | WO2009024249A1 Method for transmitting a signal via a power line network, transmitter, receiver, power line communication modem and power line communication system |
| 02/26/2009 | WO2008149958A3 Communication method, communication apparatus, integrated circuit and circuit module |
| 02/26/2009 | US20090052684 Audio conferencing apparatus |
| 02/26/2009 | US20090052683 Echo cancellation |
| 02/26/2009 | US20090052559 Differential transmitter, differential receiver, signal transmitter, and signal transmitting system |
| 02/26/2009 | US20090052509 Phy control module for a multi-pair gigabit transceiver |
| 02/26/2009 | DE102007018585B4 Vorrichtung und Verfahren zur Ermittlung und Kompensation von Störsignalen in einem Nachrichtenübertragungssystem Apparatus and method for determining compensation and noise in a communication system |
| 02/26/2009 | DE102004004885B4 Magnetspeicher Magnetic memory |
| 02/26/2009 | CA2694664A1 System, apparatus, and method for communicating sensor information of a system component that is disposed in a hazardous location |
| 02/25/2009 | EP2028770A1 Communication apparatus enabling coexistence of systems |
| 02/25/2009 | EP2028769A1 Method for transmitting a signal via a power line network, transmitter, receiver, power line communication modem and power line communication system |
| 02/25/2009 | CN201199694Y Signal adapter |
| 02/25/2009 | CN101375518A System, device and method |
| 02/25/2009 | CN101374694A Device used in vehicle and communication interface circuit used in that device |
| 02/25/2009 | CN101373991A Power line household communications network system |
| 02/25/2009 | CN101373906A Test control module for power distribution network carrier communication |
| 02/25/2009 | CN101371791A Ultrasonic diagnostic apparatus |
| 02/24/2009 | US7496393 Signal processing apparatus |
| 02/24/2009 | US7496137 Apparatus for measuring jitter and method of measuring jitter |
| 02/24/2009 | US7496136 Phase locked loop and method for evaluating a jitter of a phase locked loop |
| 02/24/2009 | US7495317 Semiconductor package with ferrite shielding structure |
| 02/24/2009 | CA2536641C Tx line driver with common mode idle state and selectable slew rates |
| 02/19/2009 | WO2009022374A1 xDSL COMMUNICATION SYSTEM |
| 02/19/2009 | WO2009022040A1 Method for increasing the performance of a communications system on a medium formed by multiple conductors |
| 02/19/2009 | WO2009021649A1 A device and associated method for measuring crosstalk |
| 02/19/2009 | US20090047901 Apparatus and method for cooperative relay in a wireless communication system based on relay stations |
| 02/19/2009 | US20090047898 Communication system, communication relay apparatus, and communication relay method |
| 02/19/2009 | US20090046866 Apparatus capable of performing acoustic echo cancellation and a method thereof |
| 02/19/2009 | US20090046785 Interface circuit |
| 02/19/2009 | US20090046767 Method and Apparatus for Communication Handoff |
| 02/18/2009 | EP1417790A4 Exciter system and method for communications within an enclosed space |
| 02/18/2009 | CN101369825A Four-port microstrip transmission line network crosstalk measuring apparatus |
| 02/18/2009 | CN100463374C Improved circuit of 1394b signal transmission line |
| 02/17/2009 | US7493100 Compensating for dynamic nulls in a power line communication system |
| 02/17/2009 | US7492914 Audio receiving system |
| 02/17/2009 | US7492913 Location aware directed audio |
| 02/17/2009 | US7492912 Multi-channel speaker system and a connection system thereof |
| 02/17/2009 | US7492875 Network for telephony and data communication |
| 02/17/2009 | US7492840 Adaptive electronic transmission signal cancellation apparatus for full duplex communication |
| 02/17/2009 | US7492827 Method for data transmission via a data transmission path with inductive transformers, and a data transmission apparatus |
| 02/17/2009 | US7492826 Bidirectional buffered interface for crosspoint switch |
| 02/17/2009 | US7492818 Equalizer mode switch |
| 02/17/2009 | US7492813 Startup protocol for high throughput communications systems |
| 02/17/2009 | CA2493193C System and method for data retrieval in ac power tools via an ac line cord |
| 02/12/2009 | WO2009020139A1 Waveform equalizer, its control method, reception device, and its control method |
| 02/12/2009 | WO2009020030A1 Communication apparatus |
| 02/12/2009 | WO2009019066A1 Data transmission method |
| 02/12/2009 | WO2009018891A1 Transmitter for intrinsically safe data transmission devices |
| 02/12/2009 | WO2008151252A3 Distributed scheduling of transmission resources |
| 02/12/2009 | US20090044070 System and method for trellis decoding in a multi-pair transceiver system |
| 02/12/2009 | US20090041468 Method for recovering distorted optical signal by equalizing unit |
| 02/12/2009 | US20090041133 Communication protocol methods |
| 02/12/2009 | US20090041104 Phase and Frequency Recovery Techniques |
| 02/12/2009 | US20090041097 Apparatus and method for network-coding |
| 02/12/2009 | US20090040031 Signal relay device, communication network system and operation system |
| 02/12/2009 | US20090039975 Electrical Multiple-Wire System for Push-Pull Signal Transmission With an Attenuating or Filtering Element and Data Transmission Bus |
| 02/12/2009 | US20090039914 System for transmission line termination by signal cancellation |
| 02/12/2009 | DE202008007933U1 System zum Bereitstellen von Handshaking von Gerät zu Gerät über ein Energieversorgungs-Signal A system for providing handshaking from device to device via a power supply signal |
| 02/11/2009 | EP2023501A1 Data transmission method |
| 02/11/2009 | EP2023500A1 A device and associated method for measuring crosstalk |
| 02/11/2009 | EP1415409B1 Device for improving the transmission properties of a bundle of electrical data lines and a system for transmitting data |
| 02/11/2009 | EP0968571B1 Method and arrangement for forming an address for corrector table employed in signal predistortion |
| 02/11/2009 | CN101364892A Time conversion method based on network element of different time zones |
| 02/11/2009 | CN101364818A A device and associated method for measuring crosstalk |
| 02/11/2009 | CN100461720C Detection and processing device and method for multiple wire to DSL device |
| 02/10/2009 | US7489622 Transmitting apparatus, receiving apparatus, communication system, transmission method, reception method, and communication method |
| 02/10/2009 | US7489115 Method in an electric net data transmission system for keeping the signal level constant in a coupling furnished with supply cable |
| 02/05/2009 | WO2009017510A1 A full-duplex communication device and method of acoustic echo cancellation therein |
| 02/05/2009 | WO2009015702A1 Method for transmitting a signal over a power line channel and power line communication modem |
| 02/05/2009 | US20090036114 Multi-Hop Booster |
| 02/05/2009 | US20090036051 Radio communication apparatus and relay transmission method |
| 02/05/2009 | US20090034981 Optical transceiver wtih equalizing function and a method to setup the optical transceiver |
| 02/05/2009 | US20090034750 System and method to evaluate an audio configuration |
| 02/05/2009 | US20090034726 Digital Rights Management Using a Triangulating Geographic Locating Device |
| 02/05/2009 | US20090034599 Method and apparatus for indicating the performance of a digital signal, based on a mapping of symbols extracted from the digital signal to one or more target symbol states |
| 02/05/2009 | US20090033366 Data transmission system and cable |
| 02/05/2009 | DE102007038119A1 Communication device for machine tool of central power supply, has frequency converters supplying power to motors, where each frequency converter is attached to each motor, where data e.g. temperature, of motor is transmitted by power cable |
| 02/04/2009 | EP2020758A1 Method for transmitting a signal over a power line channel and power line communication modem |
| 02/04/2009 | CN201191830Y Converting module for video and audio transmission by electric line |