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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:
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Patent Number Title Of Patent Date Issued
8705592 Data transmission apparatus, data reception apparatus, and data transmission method Apr. 22, 2014
8693311 Method and system for rehoming a digital subscriber line access multiplexer Apr. 8, 2014
8687481 Communication system, management apparatus, communication apparatus and computer program Apr. 1, 2014
8681641 Loop mitigation mechanism for ethernet networks Mar. 25, 2014
8675645 Method for operating a wireless mesh data network with multiple nodes Mar. 18, 2014
8665733 Method and apparatus for round trip delay KPI monitoring in live network using user plane probe session Mar. 4, 2014
8655979 Method for replacing a network interface device Feb. 18, 2014
8644765 Beamforming using predefined spatial mapping matrices Feb. 4, 2014
8644169 Methods and apparatus to perform line testing at customer premises Feb. 4, 2014
8634304 Ethernet test-set cable Jan. 21, 2014
8634308 Path detection in trill networks Jan. 21, 2014
8634328 Endpoint-to-endpoint communications status monitoring Jan. 21, 2014
8634431 Quality of service and flow control architecture for a passive optical network Jan. 21, 2014
8625448 Method and system for validating network traffic classification in a blade server Jan. 7, 2014
8625411 Robust mesh transport network comprising conjoined rings Jan. 7, 2014
8619594 System and method for comparing packet traces for failed and successful communications Dec. 31, 2013
8619595 Fault isolation in trill networks Dec. 31, 2013
8619597 Layer 2/layer 3 interworking via physical loopback Dec. 31, 2013
8619598 Pseudowire status maintenance for static pseudowires Dec. 31, 2013
8619599 Packet processor verification methods and systems Dec. 31, 2013
8613030 Transmission of uncompressed video for 3-D and multiview HDTV Dec. 17, 2013
8605604 WLAN module test system Dec. 10, 2013
8598898 Testing of high-speed input-output devices Dec. 3, 2013
8588081 Monitoring a flow set to detect faults Nov. 19, 2013
8582447 Loopback device and mirroring method Nov. 12, 2013
8576804 Beamforming feedback frame formats within multiple user, multiple access, and/or MIMO wireless communications Nov. 5, 2013
8570862 Mapping a port on a packet switch appliance Oct. 29, 2013
8560628 Supporting autonomous live partition mobility during a cluster split-brained condition Oct. 15, 2013
8559319 Method and system for real-time synchronization across a distributed services communication network Oct. 15, 2013
8553565 Switch apparatus and network system Oct. 8, 2013
8553571 Auto reply and loop-back method for the remote measurement of the quality of an internet phone Oct. 8, 2013
8555350 System and method for ensuring persistent communications between a client and an authentication server Oct. 8, 2013
8526313 System and method for extending connectivity tests through a packet network Sep. 3, 2013
8528031 Distributed diagnostics for internet video link Sep. 3, 2013
8520534 In-service throughput testing in distributed router/switch architectures Aug. 27, 2013
8509062 Smart ethernet edge networking system Aug. 13, 2013
8489129 Transmission of text/multimedia messages over bearer connections Jul. 16, 2013
8472327 Apparatus and method for testing and fault isolation in a communication network Jun. 25, 2013
8462642 Method of analysis for internet telephone quality and its interference Jun. 11, 2013
8456982 System and method for fast network restoration Jun. 4, 2013
8457089 High-throughput (HT) receiving station and method for determining a rate for control response frames in non-HT format Jun. 4, 2013
8446819 System and method for detecting and isolating a remote loop May. 21, 2013
8441923 Communication path providing method and communication apparatus May. 14, 2013
8442127 Method for transmitting a signal via a power line network, transmitter, receiver, power line communication modem and power line communication system May. 14, 2013
8437803 Base station and mobile station May. 7, 2013
8416698 Serial networking fiber optic inflight entertainment system network configuration Apr. 9, 2013
8416700 Intelligent loop diagnostics for digital subscriber line services to support a service assurance system Apr. 9, 2013
8411576 Route control system and route control method in a switching apparatus Apr. 2, 2013
8406143 Method and system for transmitting connectivity fault management messages in ethernet, and a node device Mar. 26, 2013
8391286 Packet switch methods Mar. 5, 2013

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