Inventor
PETTITT MARTIN J
GB5 patents
⚠️ This page may combine multiple inventors who share the name “PETTITT MARTIN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTHERN TELECOM LTD
3 patentsUS5483233AJan 9, 1996
Analogue telemetry system and method for fault detection in optical transmission systems
NORTHERN TELECOM LTD24 citations90
US5475385ADec 12, 1995
Analogue telemetry system and method for fault detection in optical transmission systems
NORTHERN TELECOM LTD15 citations71
US5260819ANov 9, 1993
Digital telemetry system and method for fault detection in optical transmission system
NORTHERN TELECOM LTD20 citations71