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Class Information
Number: 370/249
Name: Multiplex communications > Diagnostic testing (other than synchronization) > Loopback
Description: Subject matter wherein an equipment is tested by connecting a received path to a transmitted path and monitoring the output as an indication of the condition of the equipment.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7391734 |
Method and system for obtaining logical performance data for a circuit in a data network |
Jun. 24, 2008 |
| 7388843 |
Method and apparatus for testing loop pathway integrity in a fibre channel arbitrated loop |
Jun. 17, 2008 |
| 7385931 |
Detection of network misconfigurations |
Jun. 10, 2008 |
| 7372807 |
Method and apparatus for multiplex transmission |
May. 13, 2008 |
| 7373577 |
CAN system |
May. 13, 2008 |
| 7366964 |
Method, system, and apparatus for loopback entry and exit |
Apr. 29, 2008 |
| 7366952 |
Interconnect condition detection using test pattern in idle packets |
Apr. 29, 2008 |
| 7366514 |
Method of handing off a packet switched to a circuit switched call |
Apr. 29, 2008 |
| 7362710 |
Organization and maintenance loopback cell processing in ATM networks |
Apr. 22, 2008 |
| 7360127 |
Method and apparatus for evaluating and optimizing a signaling system |
Apr. 15, 2008 |
| 7355978 |
Method for implementing an OAM function by exchanging request-reply packets between stations of a RPR network, and corresponding packet frames |
Apr. 8, 2008 |
| 7355966 |
Method and system for minimizing disruption in common-access networks |
Apr. 8, 2008 |
| 7352736 |
Channel synchronization apparatus of TDD-based mobile communication terminal |
Apr. 1, 2008 |
| 7345992 |
System and method for embedding a sub-channel in a block coded data stream |
Mar. 18, 2008 |
| 7346004 |
Method for automatically setting transfer mode in line interface device |
Mar. 18, 2008 |
| 7336614 |
Method and device for controlling route and computer program therefor |
Feb. 26, 2008 |
| 7330437 |
Checking connectivity for point-to-multipoint connections |
Feb. 12, 2008 |
| 7330438 |
Apparatus for transceiving packets in WDM-PON |
Feb. 12, 2008 |
| 7330502 |
Input/output circuit and semiconductor integrated circuit |
Feb. 12, 2008 |
| 7324457 |
Method and apparatus for compensating for optical transmission delay in a synchronous mobile communication system using synchronous digital hierarchy |
Jan. 29, 2008 |
| 7324458 |
Physical layer loopback |
Jan. 29, 2008 |
| 7317692 |
Network path discovery |
Jan. 8, 2008 |
| 7317690 |
Method of constructing network topology and interface circuit |
Jan. 8, 2008 |
| 7313097 |
Loop back testing structure for high-speed serial bit stream TX and RX chip set |
Dec. 25, 2007 |
| 7307947 |
Protection system, layer 2 function block, node and ring network enabling wideband transmission of working traffic and protection of protection channel traffic |
Dec. 11, 2007 |
| 7308002 |
Packet type arbitrator in WLAN and corresponding arbitrating method |
Dec. 11, 2007 |
| 7304958 |
Method and apparatus for analyzing events in a telecommunications system |
Dec. 4, 2007 |
| 7304956 |
Extended wrap mode with source/destination wrap |
Dec. 4, 2007 |
| 7298705 |
Fast-path implementation for a double tagging loopback engine |
Nov. 20, 2007 |
| 7289434 |
Method for verifying function of redundant standby packet forwarder |
Oct. 30, 2007 |
| 7283476 |
Identity negotiation switch protocols |
Oct. 16, 2007 |
| 7275195 |
Programmable built-in self-test circuit for serializer/deserializer circuits and method |
Sep. 25, 2007 |
| 7274655 |
Method and system for rehoming a digital subscriber line access Multiplexer |
Sep. 25, 2007 |
| 7260066 |
Apparatus for link failure detection on high availability Ethernet backplane |
Aug. 21, 2007 |
| 7257087 |
System and method to calculate round trip delay for real time protocol packet streams |
Aug. 14, 2007 |
| 7230926 |
Isolation technique for networks |
Jun. 12, 2007 |
| 7218612 |
Network synchronization |
May. 15, 2007 |
| 7212498 |
Measurement of quality of service |
May. 1, 2007 |
| 7212496 |
Remote test unit |
May. 1, 2007 |
| 7212492 |
Technique for providing a control and management protocol for an ethernet layer in an ethernet network |
May. 1, 2007 |
| 7206288 |
Methods and apparatus for characterizing a route in fibre channel fabric |
Apr. 17, 2007 |
| 7206849 |
Communication in a wireless communications network when a mobile computer terminal may be unreachable |
Apr. 17, 2007 |
| 7200170 |
High speed I-O loopback testing with low speed DC test capability |
Apr. 3, 2007 |
| 7187653 |
Method and system for performing a logical loopback test |
Mar. 6, 2007 |
| 7162207 |
System, apparatus, method and computer program for producing signals for testing radio frequency communication devices |
Jan. 9, 2007 |
| 7145879 |
Network load testing method |
Dec. 5, 2006 |
| 7146410 |
System and method for executing control protocols among nodes in separate IP networks |
Dec. 5, 2006 |
| 7142504 |
Fault tolerant network traffic management |
Nov. 28, 2006 |
| 7133368 |
Peer-to-peer method of quality of service (QoS) probing and analysis and infrastructure employing same |
Nov. 7, 2006 |
| 7133367 |
Embedded cell loopback method and system for testing in ATM networks |
Nov. 7, 2006 |
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