 |
|
 |
| |
 |
|
Class Information
Number: 379/22
Name: Telephonic communications > Diagnostic testing, malfunction indication, or electrical condition measurement > Of trunk or long line
Description: Subject matter wherein a characteristic of an interexchange or in specified telephone conductor is evaluated.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7373169 |
Earphone antenna and portable radio equipment provided with earphone antenna |
May. 13, 2008 |
| 7289604 |
System and method for subscriber loop testing |
Oct. 30, 2007 |
| 7286646 |
Subscriber line validation of a telephone network |
Oct. 23, 2007 |
| 7190766 |
System and method for conducting variable voice path assurance tests |
Mar. 13, 2007 |
| 7133497 |
Use of lower bandwidth technology to determine channel capability for supporting higher bandwidth technology |
Nov. 7, 2006 |
| 7124335 |
Apparatus and method for testing MEGACO protocol |
Oct. 17, 2006 |
| 7058305 |
Optical submarine communication system and surge suppressing apparatus of the optical submarine communication system |
Jun. 6, 2006 |
| 7050549 |
Real time call trace capable of use with multiple elements |
May. 23, 2006 |
| 7042984 |
Method for inspecting transmission channels in a communications system having peripheral modules |
May. 9, 2006 |
| 7042983 |
Method and apparatus for bridged tap impact analysis |
May. 9, 2006 |
| 7012991 |
Qualifying telephone lines for data transmission |
Mar. 14, 2006 |
| 7000017 |
System and method for distributing a selected object and for automatically distributing the objects that are associated with the selected object |
Feb. 14, 2006 |
| 6915249 |
Noise checking method and apparatus |
Jul. 5, 2005 |
| 6885730 |
System and method for subscriber loop testing |
Apr. 26, 2005 |
| 6870903 |
Method and apparatus for self-testing a customer services terminal and for loop testing telephone lines that are connected thereto |
Mar. 22, 2005 |
| 6870902 |
Customer services terminal method and apparatus for testing a plurality of interface circuits and telephone lines that are connected thereto |
Mar. 22, 2005 |
| 6870901 |
Design and architecture of an impairment diagnosis system for use in communications systems |
Mar. 22, 2005 |
| 6856672 |
Graphic user interface method and apparatus for testing a customer services terminal and a plurality of telephone lines that are connected thereto |
Feb. 15, 2005 |
| 6831965 |
Method and apparatus for testing telephone lines |
Dec. 14, 2004 |
| 6829330 |
Systems and methods for loop characterization from double-ended measurements |
Dec. 7, 2004 |
| 6816575 |
Single ended loop loss measurement by frequency domain reflectometry-based signal processing |
Nov. 9, 2004 |
| 6813340 |
Ringing SLIC fault handling |
Nov. 2, 2004 |
| 6804328 |
Intelligent line testing |
Oct. 12, 2004 |
| 6801863 |
Method for detecting the connectivity of electrical conductors during automated test using longitudinal balance measurements |
Oct. 5, 2004 |
| 6792459 |
Verification of service level agreement contracts in a client server environment |
Sep. 14, 2004 |
| 6792080 |
System and method for testing enhanced 911 signalling over a digital loop carrier trunk |
Sep. 14, 2004 |
| 6792079 |
Remote access for cable locator system |
Sep. 14, 2004 |
| 6768787 |
Common channeling signaling network maintenance and testing |
Jul. 27, 2004 |
| 6744854 |
Detection of bridge taps by frequency domain reflectometry-based signal processing with precursor signal conditioning |
Jun. 1, 2004 |
| 6707886 |
Method and system for testing subscriber loops using touchtone telephone signals |
Mar. 16, 2004 |
| 6707887 |
System and method for automatic detection of loop start and ground start trunks |
Mar. 16, 2004 |
| 6678355 |
Testing an operational support system (OSS) of an incumbent provider for compliance with a regulatory scheme |
Jan. 13, 2004 |
| 6668041 |
Single ended line probing in DSL system |
Dec. 23, 2003 |
| 6636585 |
Metrics-related testing of an operational support system (OSS) of an incumbent provider for compliance with a regulatory scheme |
Oct. 21, 2003 |
| 6614881 |
Remotely operable telecommunications conductor test circuit and method for using the same |
Sep. 2, 2003 |
| 6577711 |
Methods for detecting defective communications lines |
Jun. 10, 2003 |
| 6574309 |
Remotely actuated splittler bypass system and method |
Jun. 3, 2003 |
| 6516049 |
Method and apparatus for insertion loss estimation in wireline communications |
Feb. 4, 2003 |
| 6496566 |
Metallic testing of a subscriber loop that provides both voice and digital subscriber line services |
Dec. 17, 2002 |
| 6480575 |
Structure and circuit topology for a remotely actuated bypass splitter |
Nov. 12, 2002 |
| 6466646 |
Method for verifying the proper functioning of a system |
Oct. 15, 2002 |
| 6466649 |
Detection of bridged taps by frequency domain reflectometry |
Oct. 15, 2002 |
| 6442239 |
Telephone line longitudinal balance tester and method |
Aug. 27, 2002 |
| 6434220 |
Long-distance transmission system and device |
Aug. 13, 2002 |
| 6430266 |
Apparatus and method for examining and standardizing line connections |
Aug. 6, 2002 |
| 6404855 |
Conditioner unit for pair gain test controller |
Jun. 11, 2002 |
| 6400802 |
Method and apparatus for performing transmission line testing |
Jun. 4, 2002 |
| 6381221 |
System and method for monitoring line performance in a digital communication network |
Apr. 30, 2002 |
| 6341158 |
Telephony Test Technique |
Jan. 22, 2002 |
| 6314162 |
Digital telephone link margin verification |
Nov. 6, 2001 |
|
|
|
 |
|
 |
|
| |
Randomly Featured Patents |
|
