Patents
Patents protect our substantial intellectual property.
Our recent patent awards have been for diverse technologies, ranging from speech and language processing, to networking, medical imaging, and noise control, and we currently have over 100 applications being processed by the U.S. Patent Office.
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Patent 7,415,012
Systems And Methods For High Speed Packet Classification
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Patent 7,408,840
System And Method For Disambiguating Shooter Locations
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Patent 7,401,023
Systems And Methods For Providing Automated Directory Assistance Using Transcripts
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Patent 7,392,378
Method And Apparatus For Routing Data Traffic In A Cryptographically-Protected Network
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Patent 7,389,233
Self-Organizing Speech Recognition For Information Extraction
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Patent 7,389,229
Unified Clustering Tree
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Patent 7,386,003
Systems And Methods For Communicating In A Personal Area Network
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Patent 7,383,580
Computer Virus Detection And Prevention
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Patent 7,372,772
Systems And Methods For Compensation Of Sensor Degradation In Shooter Detection Systems
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Patent 7,369,512
Systems And Methods For Efficient Packet Distribution In An Ad-Hoc Network
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Patent 7,366,492
A Method And System For Mobile Location Detection Using Handoff Information
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Patent 7,366,125
Extensible Satellite Communication System
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Patent 7,366,053
System And Method For Imaging And Tracking Contacts Within A Medium
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Patent 7,359,966
Methods And Systems For Passive Information Discovery Using Lomb Periodogram Processing
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Patent 7,359,512
Authentication In A Quantum Cryptographic System
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Patent 7,359,499
Method And Apparatus For Eliminating Unwanted Telephone Calls
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Patent 7,359,285
Systems And Methods For Determining Shooter Locations With Weak Muzzle Detection
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Patent 7,356,032
System And Method For Reducing Broadcast Traffic On Wireless Access-Point Networks
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Patent 7,346,507
Method And Apparatus For Training An Automated Speech Recognition-Based System
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Patent 7,346,043
Allocation Of Channel Capacity In Multiservice Networks
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Patent 7,345,621
Real-Time Multistatic Radar Signal Processing System And Method
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Patent 7,337,115
Systems And Methods For Providing Acoustic Classification
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Patent 7,330,736
Methods And Apparatus For Reduced Energy Communication In An Ad Hoc Network
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Patent 7,328,349
Hash-Based Systems And Methods For Detecting, Preventing, And Tracing Network Worms And Viruses
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Patent 7,324,979
Genetically Adaptive Neural Network Classification Systems And Methods
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Patent 7,324,647
Quantum Cryptographic Key Distribution Networks With Untrusted Switches
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Patent 7,321,580
Directional Carrier Sense Medium Access For Wireless Nodes
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Patent 7,320,102
Network Processor Having Cyclic Redundancy Check Implemented In Hardware
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Patent 7,318,105
Dynamically Detecting Topology And Egress Nodes In Communication Networks
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Patent 7,317,876
Medium Access Control For Retro-Reflectors
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Patent 7,307,999
Systems And Methods That Identify Normal Traffic During Network Attacks
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Patent 7,302,704
Excising Compromised Routers From An Ad Hoc Network
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Patent 7,295,978
Systems And Methods For Using One-Dimensional Gaussian Distributions To Model Speech
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Patent 7,292,977
Systems And Methods For Providing Online Fast Speaker Adaptation In Speech Recognition
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Patent 7,292,502
Systems And Methods For Producing A Sound Pressure Field
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Patent 7,292,501
Compact Shooter Localization System And Method
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Patent 7,290,207
Systems And Methods For Providing Multimedia Information Management
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Patent 7,289,524
Execution Unit For A Network Processor
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Patent 7,286,844
Systems And Methods For Three Dimensional Antenna Selection And Power Control In An Ad-Hoc Wireless Network
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Patent 7,284,431
Geophone
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Patent 7,283,475
Fractal Dimension Analysis For Data Stream Isolation
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Patent 7,280,122
Motion-Based Visualization
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Patent 7,277,955
Streaming Content
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Patent 7,274,621
Systems And Methods For Flow Measurement
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Patent 7,269,198
Systems And Methods For Beaconing In Wireless Networks With Low Probability Of Detection
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Patent 7,263,479
Determining Characteristics Of Received Voice Data Packets To Assist Prosody Analysis
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Patent 7,257,182
Systems and Methods for Parasitic Synchronization of Radio Networks
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Patent 7,255,196
Windshield and Sound Barrier for Seismic Sensors
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Patent 7,248,703
Systems and Methods for Adaptive Noise Cancellation
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Patent 7,242,776
Method and Apparatus for the Generation and Distribution of Random Bits
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Patent 7,242,774
Quantum Cryptography Based On Phase Entangled Photons
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Patent 7,240,368
Intrusion And Misuse Deterrence System Employing A Virtual Network
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Patent 7,239,719
Automatic Target Detection and Motion Analysis from Image Data
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Patent 7,239,629
Multiservice Network
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Patent 7,236,597
Key Transport In Quantum Cryptographic Networks
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Patent 7,218,633
Personal Area Network with Automatic Attachment and Detachment
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Patent 7,200,656
Methods and Systems For Simultaneously Detecting Short and Long Term Periodicity For Traffic Flow Identification
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Patent 7,200,105
Systems and Methods For Point Of Ingress Traceback Of A Network Attack
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Patent 7,199,750
Real-Time Multistatic Radar Signal Processing System and Method
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Patent 7,190,633
Self-Calibrating Shooter Estimation
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Patent 7,180,884
Method and Apparatus For Varying The Rate At Which Broadcast Beacons Are Transmitted
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Patent 7,170,860
Method And System For Passively Analyzing Communication Data Based On Frequency Analysis Of Encrypted Data Traffic, And Method And System For Deterring Passive Analysis Of Communication Data
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Patent 7,162,468
Information Retrieval System
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Patent 7,158,803
Emergency Services For Wireless Data Access Networks
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Patent 7,158,790
Determining Service Coverage For Metropolitan Wireless Networks
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Patent 7,155,263
Battery-Conserving Transmission And Encoding Method For Wireless Ad Hoc Networks
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Patent 7,155,007
Systems And Methods For Reducing Noise In Adsl Transmissions
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Patent 7,149,148
Localization Of High Speed Vehicles Using Continuous Transmit Waves
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Patent 7,143,015
Method And System For Rapid Identification Of Multiple Input Systems
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Patent 7,139,262
Systems And Methods For Creating Wireless Small World Networks
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Patent 7,130,298
Systems And Methods Implementing Internet Screen Dialing For Circuit Switched Telephones
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Patent 7,129,890
Dynamic Beamforming For Ad Hoc Networks
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Patent 7,126,877
System And Method For Disambiguating Shooter Locations
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Patent 7,120,456
Wireless Terminals With Multiple Transceivers
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Patent 7,116,640
Architecture and Mechanism for Forwarding Layer Interfacing for Networks
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Patent 7,110,558
Systems And Methods For Automatically Adjusting The Volume Of An Audio Source
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Patent 7,095,753
Digital Network Processor-Based Multi-Protocol Flow Control
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Patent 7,095,732
Quality Of Service Based Media Access Control For Mobile Ad Hoc Networks
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Patent 7,092,888
Unsupervised Training In Natural Language Call Routing
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Patent 7,092,506
Systems And Methods For Providing Audio Information To Service Agents
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Patent 7,085,541
Systems And Methods For Directional Antenna Power Control In A Wireless Network
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Patent 7,073,374
Soil Compaction Measurement On Moving Platform
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Patent 7,072,669
Method For Localizing The Position Of A Wireless Device
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Patent 7,069,520
Motion-Based Visualization
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Patent 7,068,790
Systems And Methods For Path Set-Up In A Quatum Key Distribution Network
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Patent 7,062,485
Method and Apparatus For Score Normalization For Information Retrieval Applications
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Patent 7,061,914
Schemes For Determining Whether All Of The Fragments Of A Datagram Are Recieved
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Patent 7,043,633
Method and Apparatus For Providing Adaptive Self-Synchronized Dynamic Address Translation
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Patent 7,039,166
Apparatus and Method For Visually Representing Behavior Of A User Of An Automated Response System
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Patent 7,035,223
Method And Apparatus For Detecting Unreliable Or Compromised Router/Switches In Link State Routing
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Patent 7,035,934
System And Method For Improving Traffic Analysis And Network Modeling
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Patent 7,028,244
Network Processor Having Cyclic Redundancy Check Implemented In Hardware
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Patent 7,028,099
Network Communication Between Hosts
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Patent 7,023,818
Sending Messages To Radio-Silent Nodes In Ad-Hoc Wireless Networks
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Patent 7,021,420
System And Method For Phased Noise Attenuation
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Patent 7,020,501
Energy Efficient Forwarding In Ad-Hoc Wireless Networks
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Patent 7,013,148
Method For Providing A Current Location Of A Wireless Communication Device
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Patent 6,999,777
Method for Providing Location Information of a Wireless Communication Device
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Patent 6,996,084
Publishing Node Information
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Patent 6,987,726
Management of Duplicated Node Identifiers in Communication Networks
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Patent 6,985,476
Automatic Setting of Time-To-Live Fields for Packets in an Ad Hoc Network
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Patent 6,981,158
Method And Apparatus For Tracing Packets
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Patent 6,980,659
Method And Apparatus For Supplying Encryption Keys
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Patent 6,978,384
Method And Apparatus For Sequence Number Checking
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Patent 6,978,223
Systems And Methods For Network Performance Measurement Using Packet Signature Collection
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Patent 6,977,937
Radio Network Routing Apparatus
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Patent 6,973,403
Method And System For Identification Of System Response Parameters For Finite Impulse Response Systems
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Patent 6,973,053
Using Direct Cluster Member To Cluster Member Links To Improve Performance In Mobile Communication Systems
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Patent 6,973,039
Mechanism For Performing Energy-Based Routing In Wireless Networks
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Patent 6,963,747
Globally Optimized Channel Access For Wireless Networks
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Patent 6,959,278
Systems And Methods For Implementing Segmentation In Speech Recognition Systems
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Patent 6,944,127
System for Detecting Spurious Network Traffic
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Patent 6,941,355
System and Method for Selecting and Disseminating Policies
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Patent 6,937,705
Apparatus and Method for Visually Representing Events In Calls Handled By An Automated Response System
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Patent 6,930,416
Compliant Stator
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Patent 6,922,466
System and Method For Assessing A Call Center
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Patent 6,922,395
System and Method for Testing Protocols for Ad Hoc Networks
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Patent 6,912,903
Soil Compaction Measurement
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Patent 6,910,135
Method and Apparatus for an Intruder Detection Reporting and Response System
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Patent 6,909,696
Systems and Methods for Visualizing a Communications Network
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Patent 6,904,143
Apparatus and Method for Logging Events that Occur When Interacting With an Automated Call Center System
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Patent 6,898,277
System And Method For Annotating Recorded Information From Contacts To Contact Center
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Patent 6,895,091
Systems And Methods For Encryption Key Archival And Auditing In A Quantum-Cryptographic Communications Network
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Patent 6,895,083
System And Method For Maximum Benefit Routing
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Patent 6,882,989
Genetic Algorithm Techniques and Applications
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Patent 6,882,723
Apparatus And Method For Quantifying An Automation Benefit Of And Automated Response System
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Patent 6,880,408
Mechanical Amplifier Systems and Methods
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Patent 6,879,685
Apparatus and Method for Analyzing Routing of Calls in an Automated Response System
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Patent 6,868,043
Beam Broadening with Maximum Power in Array Transducers
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Patent 6,868,338
Method and Apparatus for Recording and Synthesizing Position Data
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Patent 6,859,420
Systems and Methods for Adaptive Wind Noise Reduction
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Patent 6,859,135
A System and Method for Conserving Energy in Wireless Devices
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Patent 6,853,717
Method and Apparatus for Eliminating Unwanted Telephone Calls
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Patent 6,850,524
Systems and Methods for Predictive Routing
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Patent 6,850,161
Systems and Methods for Identifying and Mapping Conduit Location
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Patent 6,848,072
Network Processor Having Cyclic Redundancy Check Implemented in Hardware
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Patent 6,847,867
Satellite Communication with Low Probability of Detection
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Patent 6,826,684
Sliding Scale Adaptive Self-Synchronized Dynamic Address Translation
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Patent 6,823,054
Apparatus and Method for Analyzing an Automated Response System
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Patent 6,816,115
Systems and Methods for Antenna Selection in an Ad-Hoc Wireless Network
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Patent 6,804,316
Methods and Systems for Performing Frame Recovery in a Network
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Patent 6,804,232
Personal Area Network with Automatic Attachment and Detachment
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Patent 6,801,936
Systems and Methods for Generating Customized Bundles of Information
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Patent 6,799,177
Systems and Methods for Securing Extranet Transactions
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Patent 6,795,400
Packet Loss Service-Level Guarantee Monitoring and Claim Validation Systems and Methods
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Patent 6,789,182
System and Method for Logging Computer Event Data and Physical Components of a Complex Distributed System
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Patent 6,775,709
Message Routing Coordination in Communications Systems
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Patent 6,769,112
Domain-Independent Reconfigurable Scheduler
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Patent 6,760,761
Systems and Methods for Standardizing Network Devices
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Patent 6,752,029
Load Measurement Device
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Patent 6,748,809
Load Monitoring Systems and Methods
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Patent 6,745,242
Connectivity Service-Level Guarantee Monitoring and Claim Validation Systems and Methods
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Patent 6,735,617
Routing T-37 E-mail over an H 323 (VOIP) network
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Patent 6,720,936
Adaptive Antenna System
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Patent 6,711,409
Node Belonging to Multiple Clusters in an Ad Hoc Wireless Network
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Patent 6,707,760
Projectile Sonar
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Patent 6,700,972
System and Method for Processing and Collecting Data from a Call Directed to a Call Center
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Patent 6,693,899
System and Method for Facilitating Communication Between Dissimilar Radio Voice Devices
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Patent 6,691,148
Framework for Providing Quality of Service Requirements in a Distributed Object-Oriented Computer System
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Patent 6,681,152
Predictive Active Compensation Systems
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Patent 6,678,590
Vehicle Navigation System with Vision System Preprocessor Using MPEG Encoder
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Patent 6,671,819
Systems and Methods for Routing Packets on Alternate Paths
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Patent 6,671,804
Method and Apparatus for Supporting Authorities in a Public Key Infrastructure
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Patent 6,665,722
Store-and-Forward Packet Radio System and Method
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Patent 6,662,229
Cluster Head Resignation to Improve Routing in Mobile Communication Systems
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Patent 6,651,057
Method and Apparatus for Score Normalization for Information Retrieval Applications
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Patent 6,650,742
Systems and Methods for Reducing the Occurrence of Annoying Phone Calls
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Patent 6,636,256
Video Communication System
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Patent 6,633,854
System and Method for Analyzing Genetic Algorithms
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Patent 6,629,126
Framework for Providing Quality of Service Requirements in a Distributed Object Oriented Computer System
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Patent 6,621,795
Band Manager for Use in Multiple Channel Networks
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Patent 6,618,726
Voice Activated Web Browser
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Patent 6,609,087
Fact Recognition System
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Patent 6,604,432
Soil Compaction Measurement
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Patent 6,594,468
Self-Organizing Mobile Wireless Station Network
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Patent 6,590,889
Data Communications System and Hybrid Time-Code Multiplexing Method
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Patent 6,577,613
Method and Apparatus for Asynchronous Reservation-Oriented Multiple Access for Wireless Networks
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Patent 6,574,269
Asymmetric Orthogonal Codes for Wireless System Receivers with Multioplication-Free Correlators
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Patent 6,574,268
Asymmetric Orthogonal Codes for Optical Communication
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Patent 6,567,854
Internet Service Delivery via Server Pushed Personalized Advertising Dashboard
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Patent 6,567,378
Cell Discard Scheme for IP Traffic over a Cell Relay Infrastructure
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Patent 6,567,035
Systems and Methods for Networking Radar Detectors
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Patent 6,556,582
Systems and Methods for Collision Avoidance in Mobile Multi-hop Packet Radio Networks
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Patent 6,539,542
System and Method for Automatically Optimizing Heterogenous Multiprocesser Software Performance
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Patent 6,526,062
System and Method for Scheduling and Rescheduling the Transmission of Cell Objects of Different Traffic Types
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Patent 6,512,935
Energy Conserving Network Protocol
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Patent 6,509,830
Systems and Methods for Providing Customizable Geo-Location Tracking Services
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Patent 6,493,759
Cluster Head Resignation to Improve Routing in Mobile Communication Systems
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Patent 6,493,437
Advertising-Subsidized PC-Telephony
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Patent 6,493,431
Method and System for Capturing Telephone Calls
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Patent 6,490,629
System and Method for Scheduling the Transmission of Packet Objects Having Quality of Service Requirements
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Patent 6,487,524
Methods And Apparatus For Designing A System Using The Tensor Convolution Block Toeplitz-Preconditioned Conjugate Method
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Patent 6,480,879
Framework for Providing Quality of Service Level in a Distributed Object Oriented Computer System
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Patent 6,456,599
Distribution of Potential Neighbor Information Through an Ad Hoc Network
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Patent 6,454,047
System and Method for Phases Noise Attenuation
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Patent 6,442,856
Extendable Tool for Marking Angular Lines
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Patent 6,442,250
System and Methods for Transmitting Messages to Predefined Groups
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Patent 6,427,944
Systems and Methods for Using Airborne Communications Nodes
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Patent 6,422,089
Load Measurement Device
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Patent 6,420,977
Video-Monitoring Safety Systems and Methods
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Patent 6,418,299
Self-organizing Mobile Wireless Station
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Patent 6,405,188
Improved Information Retrieval System
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Patent 6,389,194
Method and Apparatus for Coupling Fiber Optic Cables
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Patent 6,370,579
Method and Apparatus for Striping Packets over Parallel Communication Links
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Patent 6,366,220
RF Tag Based System and Method for Drive-Through Applications
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Patent 6,363,071
Hardware Address Adaptation
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Patent 6,351,468
Communications Protocol in a Wireless Personal Area Network
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Patent 6,347,366
System and Method for Automatically Optimizing Software Performance
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Patent 6,314,091
Wireless Personal Area Network with Automatic Detachment
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Patent 6,311,182
Voice Activated Web Browser
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Patent 6,310,893
Method and System for Connectionless Communication in a Cell Relay Satellite Network
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Patent 6,283,406
Use of Flow Injection and Extraction to Control Blade Vortex Interaction and High Speed Impulsive Noise in Helicopters
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Patent 6,272,140
Bandwidth Allocation in a Wireless Personal Area Network
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Patent 6,266,577
Reconfigurable Robot Network
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Patent 6,240,051
Acoustic Surveillance Device and Related Method
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Patent 6,185,619
Method and Apparatus for Balancing the Process Load on Network Servers According to Network and Server-Based Policies
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Patent 6,185,531
Topic Indexing Method
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Patent 6,185,210
Virtual Circuit Management for Multi-Point Delivery in a Network System
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Patent 6,173,803
High Amplitude Sound Wave Hydraulic Generator
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Patent 6,164,957
Gas Pilot Flame Detector
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Patent 6,160,892
Active Muffler
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Patent 6,160,819
Method and Apparatus for Multiplexing Bytes Over Parallel Communication Links Using Data Slices
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Patent 6,160,811
Data Packet Router
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Patent 6,147,970
Quality of Service Management for Aggregated Flows in a Network System
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Patent 6,144,638
Multi-Tenant Unit
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Patent 6,128,290
Personal Data Network
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Patent 6,127,799
Method and Apparatus for Wireless Powering and Recharging
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Patent 6,104,708
Wireless Date Communications Systems
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Patent 6,059,274
Vibration Reduction System Using Impedance Regulated Active Mounts and Method for Reducing Vibration
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Patent 6,058,075
System for Canceling Interferers from Broadband Active Sonar Signals Using Adaptive Beamforming Methods
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Patent 6,052,682
Method and Apparatus for Recognizing and Labeling Instances of Names Classes in Textual Environments
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Patent 6,049,758
Reservoir Monitoring
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Patent 6,040,672
Electroactive Waveform Control Device and Related Method
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Patent 6,031,565
Stereo Radiography
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Patent 6,023,697
Systems and Methods for Providing User Assistance in Retrieving Data from a Relational Database
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Patent 6,016,470
Rejection Grammar Using Selected Phonemes for a Speech Recognition System
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Patent 6,009,047
Sound Generation Device
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Patent 5,983,255
Digital Filter and Control System Employing Same
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Patent 5,960,399
Client/Server Speech Processor/Recognizer
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Patent 5,952,621
Sound Attenuation System and Related Method
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Patent 5,933,525
Language-Independent and Segmentation-Free Optical Character Recognition System and Method
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Patent 5,865,626
Multi-Dialect Speech Recognition Method and Apparatus
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Patent 5,850,592
Method for Self-organizing Mobile Wireless Station Network
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Patent 5,848,403
System and Method for Genetic Algorithm Scheduling System
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Patent 5,831,401
Impedance Controller
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Patent 5,826,864
Active Vibration Mount
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Patent 5,809,843
Active Cancellation of Noise at Gear Mesh Frequencies for a Gear
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Patent 5,796,849
Active Noise and Vibration Control System Accounting for Time Varying Plant Using Residual Signal to Create Probe Signal
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Patent 5,734,649
Data Packet Router
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Patent 5,699,357
Personal Data Network
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Patent 5,682,328
Centralized Computer Event Data Logging System
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Patent 5,673,236
Underwater Acoustic Projector
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Patent 5,625,748
Topic Discriminator Using Posterior Probability or Confidence Scores
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Patent 5,621,859
Single Tree Method for Grammar Directed, Very Large Vocabulary Speech Recognizer
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Patent 5,615,868
Active Pneumatic Mount
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Patent 5,587,615
Electromagnetic Force Generator
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Patent 5,359,902
Load Cell
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Patent 5,319,781
Generation of Schedules Using a Genetic Procedure
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Patent 5,319,735
Embedded Signaling
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Patent 5,301,337
Distributed Resource Management System Using Hashing Operation to Direct Resource Request from Different Processors to the Processor Controlling the Requested Resource
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Patent 5,266,854
Electromagnetic Transducer
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Patent 5,241,619
Word Dependent N-best Search Method
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Patent 5,041,971
Memory Accessing Switch Network
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Patent 4,961,152
Adaptive Computing System
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Patent 4,943,941
Floating Point Processor Employing Counter Controlled Shifting
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Patent 4,866,711
Method of Multiplex/Demultiplex Processing of Information and Equipment for Performing the Method
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Patent 4,700,347
Digital Phase Adjustment