Applied Digital Access, Inc.
🏢 View company profile →21Patents
0Active
21Granted
31Portfolio score
Filing activity: Sep 7, 1993 → Feb 7, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5790531A | Method and apparatus for determining the origin of a remote alarm indication signal | Electricity | 151 | Expired |
| US6091712A | Method and apparatus for storing and retrieving performance data collected by a network interface unit | Electricity | 139 | Expired |
| US5703871A | Facilities data link handler in a performance monitoring and test system | Electricity | 76 | Expired |
| US5495470A | Alarm correlation system for a telephone network | Electricity | 60 | Expired |
| US6421323B1 | Method and apparatus for analyzing events in a telecommunications system | Electricity | 57 | Expired |
| US5774456A | Method and apparatus for adopting performance report messages in a telecommunications system | Electricity | 42 | Expired |
| US6819655B1 | System and method of analyzing network protocols | Electricity | 40 | Expired |
| US5581228A | Digital signal comparison circuit in a performance monitoring and test system | Electricity | 34 | Expired |
| US5621720A | Multichannel alignment system and method | Electricity | 32 | Expired |
| US5956324A | Performance monitoring and test system for a telephone network | Electricity | 30 | Expired |
| US5500853A | Relative synchronization system for a telephone network | Electricity | 26 | Expired |
| US5602828A | Protect path switching in a performance monitoring and test system | Electricity | 25 | Expired |
| US7072305B1 | Method and apparatus for analyzing a communications network link | Electricity | 23 | Expired |
| US5553056A | Packetized remote test system for a telephone network | Electricity | 20 | Expired |
| US7100092B2 | Method and system for monitoring and testing a communication network | Electricity | 18 | Expired |
| US5691976A | Performance monitoring and test system for a telephone network | Electricity | 13 | Expired |
| US6519723B1 | Firewall performance monitoring and limited access system | Electricity | 12 | Expired |
| US5623480A | System and method for accessing embedded channels | Electricity | 8 | Expired |
| US5557616A | Frame synchronization in a performance monitoring and test system | Electricity | 8 | Expired |
| US5875217A | Delay adjustment circuit in a performance monitoring and test system | Electricity | 6 | Expired |
| US5757776A | Method and apparatus for determining the origin of an alarm indication signal | Electricity | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.