H04Q1/18

СПИСОК патентов США - подгруппа МПК¹⁶ H04Q1/18

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№ п/п	Номер патента	Название патента
2013
1	8383925	Sound collector, sound signal transmitter and music performance system for remote players
2010
2	7741555	Hybrid wind musical instrument and electric system for the same
2007
3	7173964	Method for detecting data transmission rate of USB controller by using USB device
2005
4	6959260	System and method for device co-location discrimination
5	6943247	Building material compositions
6	6934327	Acquisition of a continuous-phase modulation waveform
7	6922438	System for MPSK symbol hypothesis testing
2004
8	6798831	Testing system
9	6711702	Method for dealing with peripheral units reported as defective in a communications system
10	6690718	Asymmetric digital subscriber line transceiver unit-card and method of controlling the same
2003
11	6654411	Method and system for estimating error rate of a communication channel over a wide dynamic range
2002
12	6456675	Diversity reception employing periodic testing
13	6433988	Method and apparatus for protection switching
14	6389109	Fault conditions affecting high speed data services
15	6385297	Method and apparatus for qualifying loops for data services
16	6381643	Mechanism and procedure for detecting switch mis-cabling
17	6363111	Control loop for adaptive multilevel detection of a data signal
18	6335967	Buffer for connection data
2001
19	6304655	Signal capture for telecommunications switch
20	6202170	Equipment protection system
2000
21	6061427	Transmission power control method in asymmetric digital subscriber line system
22	6038253	Data receiver with symbol rate discrimination and statistical analysis functions
23	6014369	Method and apparatus for testing subscribers accommodated to service node in loop system
1999
24	5999592	Network node event notification in circuit switched environments
25	5995587	Method of controlling time switch for diagnosing failure on call path
26	5982770	Check system for checking information indicative of connections in multistage switching network
27	5937032	Testing method and apparatus for verifying correct connection of curcuit elements
1998
28	5852649	Alarm notification system and method for a telephone switch
29	5838766	System and method for providing shared resources to test platforms
1997
30	5596269	Apparatus and method for testing electrical switch matrices
1996
31	5581688	Tele- and data communication system
1995
32	5461662	Electronic exchange apparatus
33	5448632	Call monitoring system for intelligent call processing
34	5414695	Method for monitoring existing telephone connections, particularly permanently switched telephone connections
35	5392328	System and method for automatically detecting root causes of switching connection failures in a telephone network
36	5386454	Remotely controlled multiple pair telephone pedestal/building terminal
1994
37	5351232	Path monitoring system for cross-connect system
38	5349578	Time slot switching function diagnostic system
39	5347270	Method of testing switches and switching circuit
40	5329520	High-speed facility protection in a digital telecommunications system
41	5305325	Method and a device for supervising and testing majority voting
42	5280487	Method and arrangement for detecting and localizing errors or faults in a multi-plane unit incorporated in a digital time switch
43	5276727	Remote maintenance method and device thereof in private branch exchange system
1993
44	5261061	Remote maintenance and administration method in a switchboard system
45	5198808	Matrix switch apparatus with a diagnosis circuit having stand-by ports and reduced size matrix switching elements
1992
46	5134618	Method of testing connecting and/or switching devices and/or lines
1991
47	4995042	Switching exchange
48	4989176	Remote maintenance system
1989
49	4860334	System for detecting and locating defective crosspoint switches
1987
50	4692939	Switch testing
51	4675896	Remote monitoring apparatus
52	4670897	Circuit testing of telephone grids or the like
1986
53	4596983	Module for printed assemblies in a telecommunication system an apparatus for automatically putting the means on printed board assemblies newly inserted into the module into operation
54	4575839	Centralized supervisory system
1985
55	4540857	Circuit testing of telephone grids or the like
56	4523061	Switching assembly for telephone cables
1984
57	4439826	Diagnostic system for a distributed control switching network
58	4424498	Adaptive equalizer
1983
59	4403119	DTMF Activated remote telephone line switching and testing
1982
60	4331956	Control means for a solid state crossbar switch
1980
61	4187414	Circuit arrangement for an interference data alarm system in communication facilities, particularly in telephone equipment
1979
62	4169221	Method and apparatus for testing a subscriber line group marker of a telephone central office cross bar switching device
63	4168402	Electronic trunk selector
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