Inventor
HARTMANN PAUL R
US22 patents
⚠️ This page may combine multiple inventors who share the name “HARTMANN PAUL R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
APPLIED DIGITAL ACCESS INC
13 patentsUS5790531AAug 4, 1998
Method and apparatus for determining the origin of a remote alarm indication signal
APPLIED DIGITAL ACCESS INC163 citations97
US6091712AJul 18, 2000
Method and apparatus for storing and retrieving performance data collected by a network interface unit
APPLIED DIGITAL ACCESS INC214 citations95
US5956324ASep 21, 1999
Performance monitoring and test system for a telephone network
APPLIED DIGITAL ACCESS INC48 citations95
US5581228ADec 3, 1996
Digital signal comparison circuit in a performance monitoring and test system
APPLIED DIGITAL ACCESS INC49 citations95
US5774456AJun 30, 1998
Method and apparatus for adopting performance report messages in a telecommunications system
APPLIED DIGITAL ACCESS INC59 citations94
US6421323B1Jul 16, 2002
Method and apparatus for analyzing events in a telecommunications system
APPLIED DIGITAL ACCESS INC72 citations93
US5495470AFeb 27, 1996
Alarm correlation system for a telephone network
APPLIED DIGITAL ACCESS INC90 citations93
US5621720AApr 15, 1997
Multichannel alignment system and method
APPLIED DIGITAL ACCESS INC49 citations92
US5553056ASep 3, 1996
Packetized remote test system for a telephone network
APPLIED DIGITAL ACCESS INC31 citations89
US5500853AMar 19, 1996
Relative synchronization system for a telephone network
APPLIED DIGITAL ACCESS INC36 citations89
US5623480AApr 22, 1997
System and method for accessing embedded channels
APPLIED DIGITAL ACCESS INC11 citations81
US5557616ASep 17, 1996
Frame synchronization in a performance monitoring and test system
APPLIED DIGITAL ACCESS INC10 citations73
US5757776AMay 26, 1998
Method and apparatus for determining the origin of an alarm indication signal
APPLIED DIGITAL ACCESS INC9 citations72
APPLIED DIGITAL ACCESS
4 patentsUS5703871ADec 30, 1997
Facilities data link handler in a performance monitoring and test system
APPLIED DIGITAL ACCESS81 citations96
US5602828AFeb 11, 1997
Protect path switching in a performance monitoring and test system
APPLIED DIGITAL ACCESS33 citations94
US5875217AFeb 23, 1999
Delay adjustment circuit in a performance monitoring and test system
APPLIED DIGITAL ACCESS10 citations81
US5691976ANov 25, 1997
Performance monitoring and test system for a telephone network
APPLIED DIGITAL ACCESS17 citations80