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Class Information
Number: 370/245
Name: Multiplex communications > Diagnostic testing (other than synchronization) > Fault detection > Of a local area network
Description: Subject matter wherein a communication network over a limited geos:graphical area is tested for any nonstandard operating condition.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5812529 |
Method and apparatus for network assessment |
Sep. 22, 1998 |
| 5802041 |
Monitoring ethernet lans using latency with minimum information |
Sep. 1, 1998 |
| 5802306 |
Supporting multiple client-server sessions from a protocol stack associated with a single physical adapter through use of a plurality of logical adapters |
Sep. 1, 1998 |
| 5796721 |
Method and system for monitoring fieldbus network with dynamically alterable packet filter |
Aug. 18, 1998 |
| 5796720 |
Control method of asynchronous data communications |
Aug. 18, 1998 |
| 5793769 |
Multiplexed network connecting apparatus |
Aug. 11, 1998 |
| 5774817 |
Communication circuit for local area network |
Jun. 30, 1998 |
| 5748098 |
Event correlation |
May. 5, 1998 |
| 5745479 |
Error detection in a wireless LAN environment |
Apr. 28, 1998 |
| 5710893 |
Method and apparatus for replicating digital signals |
Jan. 20, 1998 |
| 5708654 |
Method for detecting proxy ARP replies from devices in a local area network |
Jan. 13, 1998 |
| 5704032 |
Method for group leader recovery in a distributed computing environment |
Dec. 30, 1997 |
| 5699501 |
System for group leader recovery in a distributed computing environment |
Dec. 16, 1997 |
| 5696896 |
Program product for group leader recovery in a distributed computing environment |
Dec. 9, 1997 |
| 5648966 |
Method of sending an alarm to a network management station when an unusual event occurs in a managed network station |
Jul. 15, 1997 |
| 5636204 |
Transmission fault processing method and transmisssion fault processing device |
Jun. 3, 1997 |
| 5621383 |
Ring network system capable of detecting an alarm in each node |
Apr. 15, 1997 |
| 5590117 |
Node information collecting method in a ring system |
Dec. 31, 1996 |
| 5586054 |
time-domain reflectometer for testing coaxial cables |
Dec. 17, 1996 |
| 5583874 |
10Base-T portable link tester |
Dec. 10, 1996 |
| 5572533 |
Method and apparatus for monitoring and fault-analyzing networks |
Nov. 5, 1996 |
| 5568471 |
System and method for a workstation monitoring and control of multiple networks having different protocols |
Oct. 22, 1996 |
| 5517488 |
Method of load distribution for message processing in host system in local area network |
May. 14, 1996 |
| 5438528 |
Method and apparatus for testing an interactive network board in a local area network (LAN). |
Aug. 1, 1995 |
| 5425017 |
Token ring local area network testing apparatus inserted in an active "T" c o |
Jun. 13, 1995 |
| 5404134 |
System for carrying out connection management control of ring network |
Apr. 4, 1995 |
| 5400334 |
Message security on token ring networks |
Mar. 21, 1995 |
| 5392327 |
Termination unit with maintenance facility |
Feb. 21, 1995 |
| 5389882 |
LAN measurement apparatus for determining voltage between packets |
Feb. 14, 1995 |
| 5383178 |
Network commentator |
Jan. 17, 1995 |
| 5379278 |
Method of automatic communications recovery |
Jan. 3, 1995 |
| 5365509 |
Method and apparatus for analyzing nodes on a computer network |
Nov. 15, 1994 |
| 5363366 |
Token ring local area network testing apparatus for obtaining beacon domain information |
Nov. 8, 1994 |
| 5363493 |
Token ring network test device using finite state machine |
Nov. 8, 1994 |
| 5341363 |
Computer system capable of disconnecting itself from a lan |
Aug. 23, 1994 |
| 5339314 |
Packet data transmission unit having occupied, idle, and released states therefor |
Aug. 16, 1994 |
| 5329519 |
Lan monitoring method and apparatus |
Jul. 12, 1994 |
| 5327534 |
Detection of duplicate alias addresses |
Jul. 5, 1994 |
| 5309428 |
Token ring local area network testing apparatus for phase jitter testing |
May. 3, 1994 |
| 5307340 |
Multipath transmission system with a troubleshooting arrangement for detecting failure |
Apr. 26, 1994 |
| 5289460 |
Maintenance of message distribution trees in a communications network |
Feb. 22, 1994 |
| 5283571 |
Testing a communications network for duplicate station addresses |
Feb. 1, 1994 |
| 5282200 |
Ring network overhead handling method |
Jan. 25, 1994 |
| 5276440 |
Network device information exchange |
Jan. 4, 1994 |
| 5274638 |
Multiplex transmission system for use in vehicles |
Dec. 28, 1993 |
| 5265103 |
Data communications system |
Nov. 23, 1993 |
| 5229988 |
System and method for distinguishing proxy replies of interconnecting devices from duplicate source address replies of non-interconnecting devices on a network |
Jul. 20, 1993 |
| 5200949 |
Link changeover control system for local area network of broadcasting arrangement |
Apr. 6, 1993 |
| 5189541 |
Method and apparatus for connecting branch networks with a trunk network in optical transmission system |
Feb. 23, 1993 |
| 5179341 |
System and method for detecting an improper termination and a short circuit in a network |
Jan. 12, 1993 |
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