Inventor

RAMSDEN DAVID BEAUMONT

US6 patents

⚠️ This page may combine multiple inventors who share the name “RAMSDEN DAVID BEAUMONT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AT & T CORP

4 patents

US5875230AFeb 23, 1999

Interactive measurement system and method for telecommunication networks

AT & T CORP29 citations83

US6002762ADec 14, 1999

Method and apparatus for making nonintrusive noise and speech level measurements on voice calls

AT & T CORP18 citations81

US7050400B1May 23, 2006

End-to-end connection packet loss detection algorithm using power level deviation

AT & T CORP8 citations72

US5793864AAug 11, 1998

Nonintrusive measurement of echo power and echo path delay present on a transmission path

AT & T CORP16 citations71

AT & T IP II LP

1 patent

US7602732B1Oct 13, 2009

End-to-end connection packet loss detection algorithm using power level deviation

AT & T IP II LP4 citations61

AT & T IP I LP

1 patent

US7899639B2Mar 1, 2011

Method and apparatus for identifying a fault in a communication path

AT & T IP I LP0 citations43