| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 09/28/2011 | CN102201838A Elevator voice intercom system |
| 09/28/2011 | CN102201837A Communication node and procedure for various means of transmission |
| 09/28/2011 | CN102201836A High-efficiency two-wire system power supply modulation bus and realization method thereof |
| 09/27/2011 | US8028318 Remote control unit for activating and deactivating means for payment and for displaying payment status |
| 09/27/2011 | US8027705 Method and apparatus for providing information during a call and a mobile device including the same |
| 09/27/2011 | US8027488 Parametric audio system |
| 09/27/2011 | US8027485 Multiple channel audio system supporting data channel replacement |
| 09/27/2011 | US8027391 Differential transmission line connector |
| 09/27/2011 | US8027390 Method and system to extend a useable bandwidth of a signal generator |
| 09/27/2011 | US8027389 Interface circuit |
| 09/27/2011 | US8027379 Monitoring and adjusting noise parameters |
| 09/27/2011 | US8027378 Circuits, architectures, apparatuses, systems, algorithms and methods and software for amplitude drop detection |
| 09/27/2011 | US8027279 Echo cancellation |
| 09/27/2011 | US8026798 Techniques for presenting vehicle-related information |
| 09/27/2011 | US8026627 Powered device for power over Ethernet system with increased cable length |
| 09/22/2011 | WO2011115690A1 Method and apparatus for propagating optical signals along with power feed to illuminators and electrical appliances |
| 09/22/2011 | WO2011076387A3 Electrical installation system |
| 09/22/2011 | US20110230135 Communication system, communication station, communication terminal, and method of communication |
| 09/22/2011 | US20110228860 Multi-Value Logic Signaling in Multi-Functional Circuits |
| 09/22/2011 | US20110228824 High Bandwidth Dual Programmable Transmission Line Pre-Emphasis Method and Circuit |
| 09/22/2011 | US20110228823 High Bandwidth Programmable Transmission Line Pre-Emphasis Method and Circuit |
| 09/22/2011 | US20110228821 Adaptive equalizing repeater with output control |
| 09/22/2011 | US20110227675 High Bandwidth Programmable Transmission Line Equalizer |
| 09/22/2011 | US20110227665 Frequency Agile Filter Using a Digital Filter and Bandstop Filtering |
| 09/22/2011 | US20110227664 Frequency Agile Filter Using a Digital Filter and Bandstop Filtering |
| 09/22/2011 | CA2790156A1 Method and apparatus for propagating optical signals along with power feed to illuminators and electrical appliances |
| 09/21/2011 | EP2366223A1 A method and a system for management of transmission resources in digital communication systems |
| 09/21/2011 | EP2366213A1 Wireless transceiver within an electrical receptacle system |
| 09/21/2011 | EP1127390B1 Electrical connector |
| 09/21/2011 | CN201985858U 电力采集器数据传输模块 Electricity collected data transmission module |
| 09/21/2011 | CN201985857U 矿用电力线载波控制装置 Mine power line carrier control device |
| 09/21/2011 | CN201985856U 被复线数字传输终端 Is double-track digital transmission terminal |
| 09/21/2011 | CN201985855U 一种具有供电功能的两线无极性通讯电路 Promise of a two-wire communication circuit having a power supply function |
| 09/21/2011 | CN201979805U 一种基于电力线传输的网络打印机 Based on power line transmission network printer |
| 09/21/2011 | CN102197602A Signal transmission device |
| 09/21/2011 | CN102197560A Protection relay and method for controlling transmission level of the same |
| 09/21/2011 | CN102196167A Network camera based on power carrier transmission technology |
| 09/21/2011 | CN102195879A Routing communication device based on power line carrier |
| 09/21/2011 | CN102195683A Power carrier communication method |
| 09/21/2011 | CN102195682A Power line carrier modulator-demodulator |
| 09/21/2011 | CN102195681A Demodulation signal gain control method and device and microcontroller |
| 09/21/2011 | CN102195680A Microcontroller as well as method and device for receiving and processing power line carrier (PLC) signal |
| 09/21/2011 | CN102195679A Power line carrier modulation method, demodulation method, circuit and chip |
| 09/21/2011 | CN102195678A Power line carrier signal demodulation circuit and microcontroller |
| 09/21/2011 | CN102195677A Receiving circuit, transmitting circuit, microcontroller and power-line carrier communication method |
| 09/21/2011 | CN102195676A Charge and telecommunication transmission system of mobile communication device |
| 09/21/2011 | CN102195675A Carrier sensing method and circuit as well as microcontroller |
| 09/21/2011 | CN102195674A Echo cancellation circuit |
| 09/20/2011 | US8023886 Method and system for repeater with gain control and isolation via polarization |
| 09/20/2011 | US8023885 Non-frequency translating repeater with downlink detection for uplink and downlink synchronization |
| 09/20/2011 | US8023700 Apparatus, method, computer program and user interface for enabling access to functions |
| 09/20/2011 | US8023662 Reverberation adjusting apparatus, reverberation correcting method, and sound reproducing system |
| 09/20/2011 | US8023577 Systems and methods for efficient channel classification |
| 09/20/2011 | US8023572 Communication interface employing a differential circuit and method of use |
| 09/20/2011 | US8023558 Method and apparatus for measuring the input frequency response of a digital receiver |
| 09/20/2011 | US8023555 Repeater circuit |
| 09/20/2011 | US8023438 Analog signal path modeling for self-interference cancellation |
| 09/20/2011 | US8022808 Vehicle power door control with passive entry |
| 09/20/2011 | CA2553570C Method and apparatus for measuring jitter |
| 09/20/2011 | CA2490620C Method and system for transmitting an information signal over a power cable |
| 09/15/2011 | WO2011110128A2 Detection device, communication system and detection method |
| 09/15/2011 | WO2011109967A1 Method, apparatus and microcontroller of demodulation signal gain control |
| 09/15/2011 | WO2011109966A1 Power line carrier signal demodulation circuit and micro controller |
| 09/15/2011 | WO2011109965A1 Modulation method, demodulation method, circuit and chip for power line carrier |
| 09/15/2011 | WO2011109964A1 Method, circuit and microcontroller for carrier sense |
| 09/15/2011 | WO2011109963A1 Micro-controller, processing method and device for power line carrier signal reception |
| 09/15/2011 | WO2011073184A3 Current boost circuit for a digital bus line |
| 09/15/2011 | WO2011009593A3 Method and apparatus for vectored data transmission |
| 09/15/2011 | WO2010084519A8 Equalizer with a variable transfer curve |
| 09/15/2011 | US20110222704 Audio broadcast processing method |
| 09/15/2011 | US20110222611 method and a system for management of transmission resources in digital communication systems |
| 09/15/2011 | US20110222446 Echo cancellation circuit |
| 09/14/2011 | EP2365661A1 Method and devices for network topology identification |
| 09/14/2011 | EP2365644A1 Method and system for distributing crosstalk cancellation resources in a multi-user access network |
| 09/14/2011 | EP2112810B1 Line measuring method and device |
| 09/14/2011 | EP1908205B1 Testing method and apparatus for a transmission and reception system |
| 09/14/2011 | CN201976101U 远距离高速电力线宽带通信装置 Long-distance high-speed powerline broadband communication device |
| 09/14/2011 | CN201976100U 网络摄像机电力线通讯接口装置 Network Camera Powerline Communication Interface Unit |
| 09/14/2011 | CN201976099U 共用晶体的电力线载波模块 Crystal shared power line carrier module |
| 09/14/2011 | CN1728576B Positioning method and system based on wired discontinuous mobile communication network |
| 09/14/2011 | CN102185639A Characteristic analyzer used for low-voltage power line carrier wave channel |
| 09/14/2011 | CN102185638A Power line carrier and two-way power frequency communication mixing networking method |
| 09/14/2011 | CN102185637A Wall socket type communication device based on power line |
| 09/14/2011 | CN102185375A Electric vehicle energy efficiency evaluation and supervision system and method thereof for intelligent power grid |
| 09/14/2011 | CN102185343A Automatic charging device and automatic charging method of electric vehicle by utilizing power line carrier communication |
| 09/14/2011 | CN102184631A Household energy consumption data acquisition and real-time display system and using method thereof |
| 09/14/2011 | CN101277128B System, method and equipment for processing impedance match |
| 09/14/2011 | CN101197592B Far-end cross talk counteracting method and device, signal transmission device and signal processing system |
| 09/13/2011 | US8019450 Playback apparatus, playback method, and recording medium |
| 09/13/2011 | US8019400 Signal processing apparatus |
| 09/13/2011 | US8019025 Training sequence for wireless communication system |
| 09/13/2011 | US8018990 Apparatus for measuring in-phase and quadrature (IQ) imbalance |
| 09/13/2011 | US8018989 System and method for adjusting a serial communications link |
| 09/13/2011 | US8018880 Layer 2 virtual private network over PBB-TE/PBT and seamless interworking with VPLS |
| 09/13/2011 | US8018354 Onboard display device and display method for onboard display device |
| 09/13/2011 | CA2346208C Coupling device for providing a communications link for rf broadband data signals to a power line and method for installing same |
| 09/09/2011 | WO2011107155A1 Method and device for data processing in a digital subscriber line environment |
| 09/08/2011 | US20110218711 Infotainment system control |
| 09/08/2011 | US20110217946 Personal Security Device for a Personal Electronic Device |
| 09/08/2011 | US20110216914 Wired, wireless, infrared, and powerline audio entertainment systems |