H04M1/76

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№ 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