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Class Information
Number: 379/25
Name: Telephonic communications > Diagnostic testing, malfunction indication, or electrical condition measurement > Of trunk or long line > Conductor identification or location
Description: Subject matter for determining the identity or position of a telephone line conductor.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8638651 Intelligent patching systems and methods using phantom mode control signals and related communications connectors Jan. 28, 2014
8532264 ID-programming by SELT/MELT Sep. 10, 2013
8331538 Telephone port identification automatic discovery system Dec. 11, 2012
RE43774 Systems and methods of identifying patch cord connections in a communications patching system using common mode transmission Oct. 30, 2012
7692594 Pop-up cable electronic marker Apr. 6, 2010
7577088 System and method to backup communication occurring across a plurality of subscriber lines Aug. 18, 2009
7573254 Systems and methods of identifying patch cord connections in a communications patching system using common mode transmission Aug. 11, 2009
7516048 Externalized metric calculation engine Apr. 7, 2009
7336061 Group wiring system allowing locating of wire pairs and method for locating wire pairs in group wiring system Feb. 26, 2008
7305067 Tone distribution apparatuses, systems, and methods Dec. 4, 2007
7190767 Telecommunications line test extension apparatus Mar. 13, 2007
7154856 Multiplexing apparatus and cell discard method Dec. 26, 2006
7127041 Simultaneous tracing of multiple phone/data cables Oct. 24, 2006
7116093 Tone generator and probe Oct. 3, 2006
6963192 Device for tracing electrical cable Nov. 8, 2005
6904129 Twisted pair status indicator Jun. 7, 2005
6879664 Method and apparatus for mapping the terminations of large numbers of communications circuits Apr. 12, 2005
6874096 Apparatus and method for detecting packet arrival time Mar. 29, 2005
6865257 Method for resolving trouble in a connection having a plurality of components Mar. 8, 2005
6813339 Telecommunications line test extension apparatus Nov. 2, 2004
6798183 Method of and apparatus for simultaneously providing tone and intermittent link onto a cable to assist identifying the cable Sep. 28, 2004
6750643 Group wiring patching system and method for wire pair identification Jun. 15, 2004
6636585 Metrics-related testing of an operational support system (OSS) of an incumbent provider for compliance with a regulatory scheme Oct. 21, 2003
6522737 System and method of operation for a telecommunications patch system Feb. 18, 2003
6437572 Interactive method and apparatus for locating and identifying utilities Aug. 20, 2002
6411073 Method and device for locating a metal line Jun. 25, 2002
6393102 Computer-executable method for diagnosing trouble causes in telephone cable segments when trouble data are available only for entire cables May. 21, 2002
6356622 System and apparatus for enhancing a network link Mar. 12, 2002
6330307 Display panel overlay structure and method for tracing interface modules in a telecommunications patch system Dec. 11, 2001
6282265 Two-ended wireline pair identification system Aug. 28, 2001
6222908 Method and device for identifying a specific patch cord connector as it is introduced into, or removed from, a telecommunications patch system Apr. 24, 2001
6047193 System and method for locating a switch component Apr. 4, 2000
6016058 In-service wiring verification circuitry Jan. 18, 2000
5887051 Listening device for tracing line continuity and detecting telephone dial tone Mar. 23, 1999
5847557 Wire pair identification method Dec. 8, 1998
5764725 Apparatus for testing the line continuity of telephone switch equipment Jun. 9, 1998
5764043 Traceable patch cord and connector assembly and method for locating patch cord ends Jun. 9, 1998
5726972 Location identification in a communications signalling network Mar. 10, 1998
5577096 Transmission system having stand-by line switching facility Nov. 19, 1996
5521902 Location identification in a communications signalling network May. 28, 1996
5510700 Apparatus and method for identifying the phase of a three phase power line at a remote location Apr. 23, 1996
5448675 Telecommunications distribution frame with tracing Sep. 5, 1995
5438266 Instrument to locate buried conductors by providing an indication of phase reversal of the signal utilizing the odd harmonic and the even harmonic when a vertical axis coil passes over one of Aug. 1, 1995
5355405 Arrangement for dynamically identifying the assignment of a subscriber telephone loop connection at a serving terminal Oct. 11, 1994
5353327 Maintenance termination unit Oct. 4, 1994
5296850 Apparatus and proceses for mapping the connectivity of communications systems with multiple communications paths Mar. 22, 1994
5247464 Node location by differential time measurements Sep. 21, 1993
5166970 Multi-conductor identifier with voice communication capability Nov. 24, 1992
5107532 Automated documentation system for a communications network Apr. 21, 1992
4975938 Communications link testing Dec. 4, 1990

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