Inventor

FRANKFORT ERIC J

US4 patents

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

TELLABS OPERATIONS INC

2 patents

US6931214B1Aug 16, 2005

Method and apparatus for maintaining a pre-determined ratio of a pilot tone power and a mean optical output power of an optical signal

TELLABS OPERATIONS INC8 citations71

US7110682B2Sep 19, 2006

Method and apparatus for maintaining a pre-determined ratio of a pilot tone power and a mean optical output power of an optical signal

TELLABS OPERATIONS INC3 citations60

PHILIPS CORP

1 patent

US4562567ADec 31, 1985

Apparatus for controlling the write beam in an optical data recording system

PHILIPS CORP25 citations79

AMERICAN DISTRICT TELEGRAPH CO

1 patent

US4119815AOct 10, 1978

Central station system including secondary communication path established through commercial telephone network

AMERICAN DISTRICT TELEGRAPH CO30 citations74