Class 379/15.05 - Determining fault location

Subclass of Class 379 - Telephonic communications
Definition: Subject matter includes finding the exact fault place
No. of patents: 38
Last issue date: 09/23/2008

Number	Title	Issue Date
7428300	Diagnosing fault patterns in telecommunication networks The disclosed methods and systems prioritize network devices and components that more likely result in a network outage by evaluating their current and historical outage information relative to a dynamically-generated, statistical threshold based on such outage info...	09/23/2008
7418083	Telecommunications line parameter estimation A fault location system for a telecommunications network including a local exchange or switch, a node such as a primary connection point and a plurality of line terminations to the customer includes probability calculation to establish the location of a fault measur...	08/26/2008
7324634	Telecommunications systems A telecommunications network includes a management system for analyzing call detail records (CDR's) from terminating switches. The management system recovers CDR's by polling through switch managers which poll dependent exchanges. CDR's indicating a call clear occur...	01/29/2008
7254217	Fault characterization using information indicative of echo A fault associated with a communication medium is analyzed by correlating a first set of information indicative of echo associated with the communication medium with a second set of information indicative of echo. The fault is characterized based on the correlation ...	08/07/2007
7218730	System and method for analysis and filtering of signals in a telecommunications network A system and method for signal analysis in a network. The method includes attempting, by a first processor, to compute optimal coefficients for filtering a signal, determining that computing the optimal coefficients exceeds the computational capabilities of the firs...	05/15/2007
7043661	Topology-based reasoning apparatus for root-cause analysis of network faults A root cause analysis system operative in conjunction with fault management apparatus, the system includes a topology-based reasoning system (TRS) operative to topologically analyze alarms in order to identify at least one root cause thereof. ...	05/09/2006
7023963	DSL line card echo canceler-based mechanism for locating telecommunication line fault A digital subscriber loop line card-installed mechanism conducts parametric measurements on the wireline to which the line card is connected, and adjusts taps of an echo cancellation operator in accordance with the response of the wireline to an electrical stimulus ...	04/04/2006
6980637	Service and information management system for a telecommunications network A system for service control and operations for a telecommunications network. In particular, an architecture and method for a service control and operations element system. The system communicates with a plurality of interconnected telecommunications network element...	12/27/2005
6950497	Fault location in a telecommunications network A fault is located along a telecommunications line between the network terminating equipment and the local exchange by measuring a change in the capacitance of the line when compared with the capacitance under normal operating conditions. A geographical information ...	09/27/2005
6944132	Transmission apparatus, order wire transmission system and order wire monitoring method An order wire monitoring method monitors form a monitoring control terminal a quality of an order wire line which couples transmission apparatuses via multiplexed lines which multiplex and transmit main and order wire signals. A transmission apparatus which is to tr...	09/13/2005
6590962	Method of performing non-interactive resistive fault location A method and apparatus to non-interactively test telephone networks and more specifically to localize faults such as resistive faults in the subscriber loop of the telephone network is presented. The method and apparatus determine whether the fault is in ...	07/08/2003
6356625	Environment monitoring telephone network system An environment monitoring telephone network system comprises: a plurality M of environment parameters detecting and transmitting units (16), which transmit data toward the remote acquisition exchange (7), said units being provided with N analog input sensors; ...	03/12/2002
6341159	Extrapolation of location and amplitude of noise sources on telecommunication wireline from ended access point A wide band noise extrapolation test system, which may reside within a processor-controlled test head installed in a central office, or as part of test signal generation and processing circuitry of a craftsperson's test set, processes data derived from ap...	01/22/2002
6333972	Service for central network operator allocation of malfunction reports in a multi-operator environment In a method for the central processing of malfunction reports in a telecommunications (TK) network with a plurality of sub-networks (1, 2) of different network operators (A, B), at least one IN (Intelligent Network) service (8) is established which can be...	12/25/2001
6330305	System and method for locating faulty elements in a telephonic distribution system A system and method for determining the location of faults in a telephonic distribution system where each endpoint in the system has an associated verification code. The endpoints are polled and the response is compared to a corresponding verification cod...	12/11/2001
6301336	Method and apparatus for testing components in a communications system A method and apparatus for testing network elements within a communications system. A test is initiated at a data processing system located at a first site by the selection of one or more network elements for testing. In initiating the test, a communicati...	10/09/2001
6072857	Methods and system for monitoring the operational status of a network component in an advanced intelligent network A method and system for monitoring the operational status of a network element in an advanced intelligent network is provided. Custom telecommunications services, such as a call forwarding service, are processed by routing a call to a network element, suc...	06/06/2000
6052805	Dual speed hub, and the related redundant switching method A dual speed hub includes a CPU, two hubs of different transmission speeds, two MACs (media access controls), and a switch, wherein the CPU periodically sends a test packet in proper order through one MAC, one hub, the switch and the other hub to the othe...	04/18/2000
5966427	Apparatus and method for troubleshooting internet protocol telephony networks A device and method for IP telephony troubleshooting include multiple alternative input/output members for connecting the troubleshooting device to an IP telephony network at one of multiple sites within the IP telephony network. A system control connecte...	10/12/1999
5917898	Telecommunications network traffic management system An international telecommunications network includes a set of international exchanges located in a particular country which connect a national telecommunications network situated in that country with networks situated in other countries. The international...	06/29/1999
5896440	System and method for providing a unified communications link between divergent communication networks A unified communication system is designed using an agreed upon transmission protocol between different carriers. The protocol is used to allow the automatic gathering of administrative data (such as trouble reports) from diverse locations within a sendin...	04/20/1999
5896441	Communication state management system and method in an intelligent network A subscriber A accommodated in an SSP is connected to a terminal to which a telephone number is assigned by a number conversion service. The communication state of the converted telephone number becomes in a busy state, and a corresponding SSP number is w...	04/20/1999
5854824	Connectivity scanner An interconnection monitoring system for use with a multiple node wired network, the system comprising a plurality of transmitters, each located at a node of the network for transmitting a transmission from the node and a plurality of receivers, each loca...	12/29/1998
5822398	Control of operating states of channel unit installed in performance monitoring capable D4 channel bank A performance monitoring arrangement conducts auxiliary communications between a performance-monitoring capable line interface unit and one or more performance-monitoring capable channel units of a D4 channel bank without interrupting transmission of digi...	10/13/1998
5771274	Topology-based fault analysis in telecommunications networks A method and apparatus for detecting traffic-affecting failures in a telecommunications network; by inferring the most probable location of each such failure, given multiple alarm indicators along a network circuit; correlating circuit alarms to trunk fai...	06/23/1998
5726972	Location identification in a communications signalling network A monitor probe for a communications signalling network, such as an SS7 network, is arranged to determine its own location on the signalling network by watching for a particular type of message which carries the required information in its routing label. ...	03/10/1998
5699402	Method and apparatus for fault segmentation in a telephone network A line test system for diagnosing and segmenting faults in a switched telephone network. The system includes a remote measurement unit installed at a switch and a test system controller. The test system controller stores data about operating parameters of...	12/16/1997
5539804	Common channel signalling communication monitoring system A channel monitoring system for monitoring a multiplicity of transmission lines including a plurality of channel monitors, a line assignment controller operative to determine a subset of the plurality of channel monitors to be assigned to monitoring an in...	07/23/1996
5521902	Location identification in a communications signalling network A monitor probe for a communications signalling network, such as an SS7 network, is arranged to determine its own location on the signalling network by watching for a particular type of message which carries the required information in its routing label. ...	05/28/1996
5495470	Alarm correlation system for a telephone network A DS3 level access, monitor and test system for a telephone network. The system provides selective, and hitless, bit overwrite in any of the embedded DS1, DS0 and subrate channels in a DS3 signal. Multiple DS0 and subrate channels can be tested via the as...	02/27/1996
5495516	Diagnostic channel wakeup sequence for network managed fractional T1 or E1 digital service units Systems and methods are provided for automatically and remotely establishing a diagnostic channel between a network managed master digital service unit (DSU) and a remote fractional T1 or E1 DSU. In the preferred method, the master DSU sends a priming seq...	02/27/1996
5479473	Method and apparatus for testing call paths over long distance carrier networks A remote test site is connected to a maintenance port of a long distance carrier switch. The remote test site is capable of placing calls through the maintenance port of the long distance carrier switch, testing from the switch forward to the called party...	12/26/1995
5461662	Electronic exchange apparatus An electronic exchange apparatus which is maintained by remote control based on information supplied from a maintenance terminal through a communications network, comprises a memory for storing called party number information representing a number for mai...	10/24/1995
5425076	Cellular communications test system A testing system for wireless communication networks, particularly cellular networks, having a test set located in a cell site which communicates through the cell's base station to a responder at the mobile telephone switching office (MTSO). The test set,...	06/13/1995
5384768	Tracing system for tracing transmission route in transmission network A tracing system displays a transmission route between multiplexers in a transmission network. The system includes a MUX map database of the states in which multiplexers in each of stations are connected to each other, a route map database of attributes o...	01/24/1995
4941165	Hot cut procedure for telecommunications network In a telecommunication network, having at least first and second original equipment electrically connected by at least a first existing conductor, a method is disclosed for adding intermediate equipment to the network. The intermediate equipment is connec...	07/10/1990
4825458	Subscriber telephone equipment test apparatus A telephone network test apparatus for testing for a number of different conditions that can cause harm to a telephone network. Described herein is a circuit for measuring signal power level as well as a circuit for measuring surge voltages. Finally there...	04/25/1989
4276451	Control system for telephone switching system A fault monitoring and diagnostic system for a telephony switching system. Two call processing systems connect through a programmable switch to port group units that receive individual telephone lines. All signals from the port group units are conveyed to...	06/30/1981

PatentStorm

Bizarre Patents

PatentStorm News

Class 379/15.05 - Determining fault location