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NETWORK INTEGRITY SYSTEMS INC
US35 patents
Top patents by PatentIndex Score
US7092586B2Aug 15, 2006
Intrusion detection system for use on an optical fiber using a translator of transmitted data for optimum monitoring conditions
NETWORK INTEGRITY SYSTEMS INC46 citations96
US7693359B2Apr 6, 2010
Intrusion detection system for use on single mode optical fiber using a cost reduced polarimeter
NETWORK INTEGRITY SYSTEMS INC14 citations92
US7333681B2Feb 19, 2008
Intrusion detection and location system for use on multimode fiber optic cable
NETWORK INTEGRITY SYSTEMS INC24 citations92
US7206469B2Apr 17, 2007
Intrusion detection system for use on single mode optical fiber using a polarimeter
NETWORK INTEGRITY SYSTEMS INC23 citations92
US7142737B1Nov 28, 2006
Intrusion detection system for use on single mode optical fiber using a storage register for data
NETWORK INTEGRITY SYSTEMS INC40 citations92
US7120324B2Oct 10, 2006
Intrusion detection system for use on an optical fiber using a translator of transmitted data for optimum monitoring conditions
NETWORK INTEGRITY SYSTEMS INC31 citations92
US7403674B2Jul 22, 2008
Intrusion detection system for a multimode optical fiber using a bulk optical wavelength division multiplexer for maintaining modal power distribution
NETWORK INTEGRITY SYSTEMS INC16 citations84
US7706641B2Apr 27, 2010
Monitoring individual fibers of an optical cable for intrusion
NETWORK INTEGRITY SYSTEMS INC20 citations82
US7403675B2Jul 22, 2008
Method of high order mode excitation for multimode intrusion detection
NETWORK INTEGRITY SYSTEMS INC11 citations80
US11501617B2Nov 15, 2022
Test device for verifying operation of an optical fiber monitoring system
NETWORK INTEGRITY SYSTEMS INC2 citations73
US10914047B2Feb 9, 2021
System and method for monitoring a fiber and a detector attached to the fiber
NETWORK INTEGRITY SYSTEMS INC3 citations72
US11502750B2Nov 15, 2022
Test device for verifying operation of an optical fiber monitoring system protecting multiple fiber runs
NETWORK INTEGRITY SYSTEMS INC2 citations71
US9954609B2Apr 24, 2018
Alarm system for an optical network
NETWORK INTEGRITY SYSTEMS INC2 citations68
US11735016B2Aug 22, 2023
Test device for verifying operation of an optical fiber monitoring system utilizing direct optical injection
NETWORK INTEGRITY SYSTEMS INC0 citations62
US11055984B2Jul 6, 2021
Monitoring a sensor output to determine intrusion events
NETWORK INTEGRITY SYSTEMS INC0 citations62
US9046669B2Jun 2, 2015
Hardware and methods for secure alarmed armored protective distribution systems and management
NETWORK INTEGRITY SYSTEMS INC2 citations62
US11401680B2Aug 2, 2022
System and method for monitoring a fiber and a detector attached to the fiber
NETWORK INTEGRITY SYSTEMS INC0 citations61
US11631308B2Apr 18, 2023
Test device for verifying operation of an optical fiber monitoring system by injection of longitudinal strain
NETWORK INTEGRITY SYSTEMS INC0 citations52
US11502748B2Nov 15, 2022
Test device for verifying operation of an optical fiber monitoring system utilizing complex test signal
NETWORK INTEGRITY SYSTEMS INC0 citations52
US11501616B2Nov 15, 2022
Test device for verifying operation of an optical fiber monitoring system utilizing a far end optical shutter
NETWORK INTEGRITY SYSTEMS INC0 citations52
US11170618B2Nov 9, 2021
Climbing and incidental contact
NETWORK INTEGRITY SYSTEMS INC0 citations52
US11502749B2Nov 15, 2022
Test device for verifying operation of an optical fiber monitoring system utilizing outgoing communication
NETWORK INTEGRITY SYSTEMS INC0 citations51
US10600294B2Mar 24, 2020
Alarm system for a single mode optical fiber network
NETWORK INTEGRITY SYSTEMS INC0 citations51
US10388128B2Aug 20, 2019
Alarm system for a single mode optical fiber network
NETWORK INTEGRITY SYSTEMS INC0 citations51
US12517274B2Jan 6, 2026
Intrusion detection algorithm with wind rejection heuristic
NETWORK INTEGRITY SYSTEMS INC0 citations50
US12488663B2Dec 2, 2025
Security monitoring of an asset using distributed acoustic sensing with selected gauge lengths
NETWORK INTEGRITY SYSTEMS INC0 citations50
US12359964B2Jul 15, 2025
Monitoring optical fibers using two dissimilar algorithms on a single monitoring system
NETWORK INTEGRITY SYSTEMS INC0 citations50
US12360004B2Jul 15, 2025
Monitoring optical fibers with false alarm suppression using dissimilar algorithms
NETWORK INTEGRITY SYSTEMS INC0 citations50
US12236763B2Feb 25, 2025
Intrusion detection algorithm with reduced tuning requirement
NETWORK INTEGRITY SYSTEMS INC0 citations50
US11361653B2Jun 14, 2022
Security monitoring apparatus using virtual reality display
NETWORK INTEGRITY SYSTEMS INC0 citations50
US11502751B2Nov 15, 2022
Test device for verifying operation of an optical fiber monitoring system organized in a common housing
NETWORK INTEGRITY SYSTEMS INC0 citations49
US11190271B1Nov 30, 2021
Method of monitoring events in an area divided into zones
NETWORK INTEGRITY SYSTEMS INC0 citations43
US11515940B2Nov 29, 2022
Test device for verifying operation of an optical fiber monitoring system
NETWORK INTEGRITY SYSTEMS INC0 citations40
US10263696B2Apr 16, 2019
Monitoring a fiber optic cable for intrusion using a weighted algorithm
NETWORK INTEGRITY SYSTEMS INC0 citations40
US9374157B2Jun 21, 2016
Drop discriminating network alarm system utilizing a single sensing fiber
NETWORK INTEGRITY SYSTEMS INC0 citations38