СПИСОК патентов США - подгруппа МПК16 H04B3/48
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| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9602159 | Communication channel identification in a power line communication network | |||
| 2 | 9590697 | Device environment determination | |||
| 3 | 9584183 | Fault identification using line attenuations | |||
| 4 | 9537606 | Down-hole intelligent communication system based on the real-time characterisation of the attenuation of signals in a coaxial cable used as a transmission medium | |||
2016 | |||||
| 5 | 9525460 | Mechanism for xDSL-PLC interference mitigation | |||
| 6 | 9397935 | Staged signal modification | |||
| 7 | 9312916 | Method and device for testing subscriber premises equipment | |||
2015 | |||||
| 8 | 9160463 | Method for canceling interfering wireless signals in cable customer premises equipment devices | |||
| 9 | 9143312 | Using a single phase error algorithm for coarse and fine signal timing synchronisation | |||
| 10 | 9130655 | Methods and systems for detecting metallic faults affecting communications links | |||
| 11 | 9054794 | Detecting faults affecting communications links | |||
| 12 | 9054785 | Method and arrangement in a telecommunication system for estimating frequency dependent resistance | |||
2014 | |||||
| 13 | 8681845 | Mechanisms for measuring the I/Q impairments of a receiver | |||
| 14 | 8666524 | Portable music player and transmitter | |||
2006 | |||||
| 15 | 7095720 | Trunk level echo canceller test system | |||
2005 | |||||
| 16 | 6894504 | Technique for estimation of a subscriber line insertion loss | |||
| 17 | 6864689 | Determining cable attenuation and loss of signal threshold | |||
2004 | |||||
| 18 | 6781386 | Method and device for measuring a line attenuation | |||
| 19 | 6687289 | Method for measuring the attenuation in digital transmission lines | |||
2001 | |||||
| 20 | 6195429 | Arrangement in a subscriber line interface circuit | |||
1998 | |||||
| 21 | 5768312 | Method and apparatus for evaluating digital transmission systems | |||
1997 | |||||
| 22 | 5663968 | Margin test method and apparatus for intergrated services digital networks | |||
| 23 | 5594347 | Non-invasive testing of video signals with a jack module and amplification circuit | |||
1996 | |||||
| 24 | 5548222 | Method and apparatus for measuring attenuation and crosstalk in data and communication channels | |||
1989 | |||||
| 25 | 4856906 | Enhanced system for transmission loss comparison | |||
1988 | |||||
| 26 | 4759631 | System for transmission loss comparison | |||
1985 | |||||
| 27 | 4491968 | Status monitor | |||
1984 | |||||
| 28 | 4467148 | Telephone line analyzer | |||
1981 | |||||
| 29 | 4271478 | Method and apparatus for measuring the transmission characteristics in electrical communication systems | |||
1980 | |||||
| 30 | 4232263 | Measuring installation for frequency analysis of signal levels within a large amplitude range | |||
1979 | |||||
| 31 | 4176317 | Circuit arrangement for determining the frequency dependent amplitude fluctuation characteristic of a communications transmission link | |||
| 32 | 4170722 | Apparatus and method for remote testing of a loop transmission path | |||
| 33 | 4160134 | Digital signal level measurement | |||
1977 | |||||
| 34 | 4055733 | Line level signal measuring device | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||