СПИСОК патентов США - подгруппа МПК16 H04M1/76
|
|
| № 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 | |||
| 2 | 9319510 | Personalized bandwidth extension | |||
| 3 | 9300788 | Apparatus and control method for the same | |||
| 4 | 9287931 | Communication system having reduced crosstalk estimation complexity | |||
| 5 | 9252839 | Method and device for cancelling interference between a signal carried by a carrier power line and a signal carried by a telephone line | |||
2015 | |||||
| 6 | 9153913 | Methods and systems for compensating for alien crosstalk between connectors | |||
| 7 | 9100506 | Joint signal processing across a plurality of line termination cards | |||
| 8 | 9094097 | Methods and systems for reducing crosstalk | |||
| 9 | 9049282 | Cross-talk cancellation | |||
| 10 | 9020145 | MIMO mechanism for strong FEXT mitigation | |||
| 11 | 8983060 | Dynamic target margin adaptation for DSL transmission lines | |||
| 12 | 8958545 | Crosstalk reducing conductor and contact configuration in a communication system | |||
2014 | |||||
| 13 | 8867738 | Method and device for reducing vectoring-enhanced noise in copper telephone loops | |||
| 14 | 8761387 | Analog transmit crosstalk canceller | |||
| 15 | 8737188 | Crosstalk cancellation systems and methods | |||
| 16 | 8731185 | Single ended estimation of far-end crosstalk in a digital subscriber line | |||
| 17 | 8724800 | Method in a communication system | |||
| 18 | 8644497 | Method and apparatus for adding a communication connection to a vectored group | |||
| 19 | 8639996 | Systems and methods for uplink inter-cell interference cancellation using hybrid automatic repeat request (HARQ) retransmissions | |||
2013 | |||||
| 20 | 8559620 | Communications circuit for reducing crosstalk | |||
| 21 | 8498408 | Crosstalk estimation and power setting based on interpolation in a multi-channel communication system | |||
| 22 | 8472615 | Method, system, and device for power adjustment of vectored digital subscriber line (vectored-DSL) | |||
2012 | |||||
| 23 | 8340279 | Interference cancellation system | |||
| 24 | 8300803 | Cooperative MIMO for alien noise cancellation (COMAC) for upstream VDSL systems | |||
| 25 | 8233612 | Network apparatus capable of canceling far-end-crosstalk and network signal processing method thereof | |||
| 26 | 8204212 | Phone and method for reducing noise in a subscriber line interface circuit thereof | |||
| 27 | 8204211 | Systems and methods for selecting tones for far-end cross talk mitigation | |||
| 28 | 8199631 | Method and device for processing a channel and communication system comprising such device | |||
| 29 | 8175262 | Per tone coprocessor architecture | |||
| 30 | 8165283 | Advanced ADSL splitter | |||
| 31 | 8126137 | Vectored digital subscriber line system having modular vectoring arrangements | |||
| 32 | 8116449 | Cost-effective, multichannel digital logger | |||
2010 | |||||
| 33 | 7809076 | Adaptive interference canceling system and method | |||
| 34 | 7787614 | Sealing current terminator for inhibiting oxidation and methods therefor | |||
| 35 | 7711109 | System and method for subliminal time domain duplexing | |||
| 36 | 7711093 | Telecommunications test plugs having tuned near end crosstalk | |||
| 37 | 7702319 | Communication apparatus including a mechanism for reducing loss of text telephone information during normal traffic channel preempting | |||
2009 | |||||
| 38 | 7539301 | Cost-effective multichannel digital logger | |||
| 39 | 7483401 | Dynamic allocation of frequency spectrum | |||
| 40 | 7474737 | Telecommunications test plugs having tuned near end crosstalk | |||
2008 | |||||
| 41 | 7463733 | Interference cancellation equipment | |||
| 42 | 7450715 | Transceiver for bidirectional frequency division multiplexed transmission | |||
| 43 | 7412221 | Crosstalk reduction method, apparatus, and system | |||
| 44 | 7336944 | Method and apparatus for legal intercept monitoring of a cellular telephone modem (CTM) device | |||
2007 | |||||
| 45 | 7187766 | Methods and systems for compensating for alien crosstalk between connectors | |||
2006 | |||||
| 46 | 7035400 | Signaling Techniques in channels with asymmetric powers and capacities | |||
| 47 | 7031462 | Electronic inductor with transmit signal telephone line driver | |||
| 48 | 7023985 | Circuit for electronically generating a call impedance | |||
| 49 | 6999583 | Crosstalk identification for spectrum management in broadband telecommunications systems | |||
2005 | |||||
| 50 | 6904144 | Impedance compensation in interfacing a modem to a telephone line | |||
| 51 | 6895089 | Pots splitter with line impedance matching | |||
| 52 | 6853724 | Cascade low-pass filter to improve xDSL band attenuation for POTS splitter | |||
2004 | |||||
| 53 | 6792104 | Transformer-coupled matching impedance | |||
| 54 | 6757380 | Impedance blocking filter circuit for digital subscriber line communication systems | |||
| 55 | 6724890 | Adaptive transmission line impedance matching device and method | |||
| 56 | 6697485 | Data signal attenuator and systems and methods for using same | |||
| 57 | 6694014 | Constant impedance digital line interface circuit | |||
2003 | |||||
| 58 | 6647115 | Method and apparatus for an improved analog echo canceller | |||
| 59 | 6647114 | Telephone line interface circuit with virtual impedance | |||
| 60 | 6625278 | Impedance matching with sigma delta filter | |||
| 61 | 6504927 | Mechanism for measuring resistance of telephone subscriber line and generating measurement as pulse width of periodic waveform | |||
2002 | |||||
| 62 | 6438225 | Method and system for detecting and controlling severe echo | |||
| 63 | 6393110 | Methods and apparatus for terminating a line and supporting the asymmetric digital subscriber line protocol | |||
| 64 | 6351531 | Method and system for controlling echo cancellation using zero echo path, ringing, and off-hook detection | |||
| 65 | 6343069 | Apparatus and method for automatic and adaptive adjustment of build-out capacitance to balance a hybrid | |||
2001 | |||||
| 66 | 6314180 | System and method for providing a frequency dependent synthetic termination | |||
| 67 | 6275582 | Differential line bridge for scaleable near-end speech cancellation for tip and ring tone signal detectors | |||
| 68 | 6263076 | Arrangement in a subscriber line interface circuit | |||
| 69 | 6259788 | Technique for balancing loads in a communication network | |||
| 70 | 6233334 | Telecommunication circuit and a telecommunication device | |||
| 71 | 6198817 | Communication interface having combined shaping of receive response and synthesized matching terminating impedances for different frequency bands and a design method therefor | |||
| 72 | 6181792 | Communication interface having synthesized matching impedances for different frequency bands and a design method therefor | |||
2000 | |||||
| 73 | 6144735 | Filters for a digital subscriber line system for voice communication over a telephone line | |||
| 74 | 6115466 | Subscriber line system having a dual-mode filter for voice communications over a telephone line | |||
| 75 | 6081593 | Method and apparatus for transmitting white noise for echo cancellation in a voice mail system | |||
1999 | |||||
| 76 | 5995619 | Telephony device with compensation for line losses | |||
| 77 | 5912513 | Method and apparatus for reducing power dissipation in DC termination circuit | |||
| 78 | 5893034 | Cordless parent/slave telephone set with improved sidetone handling | |||
| 79 | 5889854 | Technique for compensating for signal attenuation on a telephone line | |||
1998 | |||||
| 80 | 5822426 | Balanced hybrid circuit | |||
| 81 | 5771286 | Speech amplifier associated with an LED | |||
| 82 | 5742676 | Circuit for telephone set comprising a light-emitting diode power supply | |||
| 83 | 5710811 | Speech circuit for subscriber telephone apparatus | |||
1997 | |||||
| 84 | 5633925 | Low loss telephone circuit | |||
| 85 | 5608795 | Telephone line interface circuit | |||
| 86 | 5598467 | Signal interface circuit with selectable signal interface parameters | |||
1996 | |||||
| 87 | 5528683 | Method and circuit for implementing an impedance, in particular for DC telephonic applications | |||
1995 | |||||
| 88 | 5473685 | Telecommunications end station with electrically controlled terminating impedance | |||
| 89 | 5465298 | Solid state isolation device using opto-isolators | |||
| 90 | 5459787 | Circuit for the implementation of an impedance for a telephone speech circuit | |||
| 91 | 5396549 | Terminal station for telecommunication by wire | |||
1993 | |||||
| 92 | 5271059 | Method and configuration for forming a line termination of a telephone line | |||
1991 | |||||
| 93 | 4996710 | Side-tone adjusting system and method for key telephone system establishing a plurel kinds of speaking paths | |||
| 94 | 4994759 | Current equalizing circuit | |||
1990 | |||||
| 95 | 4961219 | Circuit for synthesizing an impedance across the tip and ring leads of a telephone line circuit | |||
| 96 | 4935957 | Key telephone system | |||
| 97 | 4918725 | Terminal impedance setting circuit for a two-wire to four-wire converting circuit | |||
| 98 | 4894863 | Method for gain control in telephone sets having an electronic speech circuit, and apparatus for performing the method | |||
1989 | |||||
| 99 | 4856058 | Office line interface circuits | |||
1988 | |||||
| 100 | 4750203 | Subscriber telephone set with amplified loudspeaker reception with reduction of gain in the case of an insufficient power supply | |||
| 101 | 4742540 | Circuit for switching between balanced networks | |||
| 102 | 4723278 | Voice circuit of telephone | |||
1987 | |||||
| 103 | 4677667 | Subscriber line circuit having improved AC impedance matching | |||
1985 | |||||
| 104 | 4560834 | Current limiter circuit for battery feed in a telephone circuit | |||
| 105 | 4549129 | Regulator circuit | |||
| 106 | 4536616 | Microphone or mouthpiece signal suppression circuit | |||
| 107 | 4515996 | Telephone circuit | |||
| 108 | 4513178 | Signal processing arrangement | |||
| 109 | 4502018 | Gain regulation circuit for an amplifier circuit | |||
| 110 | 4495382 | Telephone regulator circuitry | |||
1984 | |||||
| 111 | 4453038 | Circuit arrangement for producing control means from line current | |||
| 112 | 4453037 | Loop length compensation circuit | |||
| 113 | 4442325 | Switchable incremental attenuation for telephone line interface | |||
| 114 | 4439637 | Low loop current switch latch circuit | |||
1983 | |||||
| 115 | 4400589 | Subscriber station network | |||
| 116 | 4400588 | Electronic voice network for a telephone subscriber's substation | |||
| 117 | 4394542 | Telephone transmission circuit | |||
1982 | |||||
| 118 | 4315107 | Telephone range extender with gain | |||
1981 | |||||
| 119 | 4303805 | Subscriber station network | |||
| 120 | 4268723 | Circuits and methods for initializing the loop current of a telephone set | |||
1980 | |||||
| 121 | 4228323 | Variable loop length compensated barrier circuit | |||
1979 | |||||
| 122 | 4178484 | Long line telephone system with an amplifying substation | |||
| 123 | 4176255 | Adjustable impedance battery feed circuit | |||
| 124 | 4143247 | Automatic signal level adjusting circuits for use in telephone sets | |||
| 125 | 4140881 | Telephone loop extending apparatus | |||
| 126 | 4132863 | Automatic gain and return loss compensating line circuit | |||
1978 | |||||
| 127 | 4071713 | Telephone speech network | |||
1977 | |||||
| 128 | 4002852 | Electronic telephone network | |||
1976 | |||||
| 129 | 3989902 | Alternating current regulator for use with telephone type line | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||