T-Netix, Inc.
22Patents
1Active
22Granted
34Portfolio score
Filing activity: Jul 17, 1996 → Sep 20, 2004 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7106843B1 | Computer-based method and apparatus for controlling, monitoring, recording and reporting telephone access | Electricity | 580 | Expired |
| US6480825B1 | System and method for detecting a recorded voice | Physics | 279 | Expired |
| US6668045B1 | Message screening, delivery and billing system | Electricity | 176 | Expired |
| US6560323B2 | Computer-based method and apparatus for controlling, monitoring, recording and reporting telephone access | Electricity | 133 | Expired |
| US6665376B1 | Selectively activated integrated real-time recording of telephone conversations with automated documentation of consent to call recording | Electricity | 128 | Expired |
| US6665380B1 | Inmate messaging system and method | Electricity | 119 | Expired |
| US6611583B1 | Computer-based method and apparatus for controlling, monitoring, recording and reporting telephone access | Electricity | 118 | Expired |
| US6141406A | Method and apparatus for detecting a secondary destination of a telephone call based on changes in the telephone signal path | Electricity | 114 | Expired |
| US7386448B1 | Biometric voice authentication | Physics | 102 | Expired |
| US6381321B1 | Telecommunication resource allocation system and method | Electricity | 96 | Expired |
| US6519561B1 | Model adaptation of neural tree networks and other fused models for speaker verification | Physics | 96 | Expired |
| US6920209B1 | Computer-based method and apparatus for controlling, monitoring, recording and reporting telephone access | Electricity | 89 | Expired |
| US6760701B2 | Subword-based speaker verification using multiple-classifier fusion, with channel, fusion, model and threshold adaptation | Physics | 83 | Expired |
| US6763099B1 | Advanced three way call detection system and method using spread spectrum techniques | Electricity | 70 | Expired |
| US5862519A | Blind clustering of data with application to speech processing systems | Physics | 64 | Expired |
| US7058163B1 | System and method for ex post facto preserving a recorded conversation | Electricity | 54 | Expired |
| US6038528A | Robust speech processing with affine transform replicated data | Physics | 43 | Expired |
| US7248680B1 | Computer-based method and apparatus for controlling, monitoring, recording and reporting telephone access | Electricity | 38 | Expired |
| US6560325B2 | Telecommunication resource allocation system and method | Electricity | 28 | Expired |
| US6904139B2 | Telecommunication resource allocation system and method | Electricity | 23 | Expired |
| US7136471B2 | Method and apparatus for detecting a secondary destination of a telephone call based on changes in the telephone signal path | Electricity | 13 | Expired |
| US7542906B2 | Off-site detention monitoring system | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.