СПИСОК патентов США - подгруппа МПК16 H04M7/04
|
|
| № п/п | Номер патента | Название патента | |||
2016 | |||||
| 1 | 9363364 | Method for correcting telephone signal degradation caused by the length of the analog line via the receiver | |||
2014 | |||||
| 2 | 8842822 | System and method for optimizing termination impedance for an analog telephone line | |||
| 3 | 8824665 | Unshielded twisted pair termination circuit | |||
| 4 | 8761384 | Method and circuitry for matching impedance | |||
2013 | |||||
| 5 | 8401174 | System and method for optimizing termination impedance for an analog telephone line | |||
| 6 | 8378746 | Voltage-mode line driving circuit having adaptive impedance matching | |||
2012 | |||||
| 7 | 8218756 | User-controllable equalization for telephony | |||
| 8 | 8160237 | Multi-stage differential warping amplifier and method | |||
2011 | |||||
| 9 | 7919970 | Device, method and system for estimating the termination to a wired transmission-line based on determination of characteristic impedance | |||
2010 | |||||
| 10 | 7844365 | Field-mounted process device | |||
| 11 | 7835516 | Direct access arrangement device | |||
| 12 | 7813495 | Apparatus and method for automatic gain control and echo cancellation in a network system | |||
2009 | |||||
| 13 | 7558385 | Impedance adapter for a high-bandwidth transmission channel of a copper-wired terminal system | |||
| 14 | 7505580 | IP telephone system | |||
| 15 | 7496150 | Transmission apparatus with variable impedance matching | |||
| 16 | 7486786 | Apparatus and method for performing impedance synthesis in a transmitter | |||
2007 | |||||
| 17 | 7260211 | Method and circuit for adapting the impedance of an analog telecommunication connection | |||
| 18 | 7215762 | Method of selecting impedance setting for loop start trunk line | |||
| 19 | 7180998 | Regulator for impedance balance of a transmission wire pair | |||
2006 | |||||
| 20 | 7145943 | XDSL system with improved impedance circuitry | |||
| 21 | 7139392 | Device and method for suppressing DSL signal echo induced by bridgetap | |||
| 22 | 7110532 | Method of line matching in telecommunication networks | |||
| 23 | 7106854 | XDSL system having selectable hybrid circuitry | |||
| 24 | 7031456 | Method, device and system for output impedance calibration that invariably maximizes hybrid performance | |||
| 25 | 6990192 | Combination telephone network interface device and cable TV splitter | |||
| 26 | 6990191 | Method and apparatus for handling voice and data signals | |||
2005 | |||||
| 27 | 6963641 | Method and apparatus for providing variable attenuation to data signals in an XDSL frequency range | |||
2004 | |||||
| 28 | 6788745 | Circuit and method for active termination of a transmission line | |||
2002 | |||||
| 29 | 6400772 | Line interface and method for detecting and eliminating an impedance mismatch between a transceiver and a transmission line | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||