Inventor
PIGEON MICHEL
CA27 patents
⚠️ This page may combine multiple inventors who share the name “PIGEON MICHEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTEL NETWORKS LTD
11 patentsUS6493117B1Dec 10, 2002
WDM optical network with passive pass-through at each node
NORTEL NETWORKS LTD87 citations98
US6631018B1Oct 7, 2003
WDM optical network with passive pass-through at each node
NORTEL NETWORKS LTD64 citations97
US6892032B2May 10, 2005
WDM optical network with passive pass-through at each node
NORTEL NETWORKS LTD40 citations96
US6748174B2Jun 8, 2004
WDM optical network with passive pass-through at each node
NORTEL NETWORKS LTD25 citations96
US6556321B1Apr 29, 2003
WDM optical network and switching node with pilot tone communications
NORTEL NETWORKS LTD32 citations96
US6529300B1Mar 4, 2003
WDM optical network with passive pass-through at each node
NORTEL NETWORKS LTD43 citations96
US6853696B1Feb 8, 2005
Method and apparatus for clock recovery and data qualification
NORTEL NETWORKS LTD71 citations95
US6795652B2Sep 21, 2004
WDM optical network with passive pass-through at each node
NORTEL NETWORKS LTD13 citations92
US6563615B2May 13, 2003
Technique for detecting noise on a data channel
NORTEL NETWORKS LTD14 citations92
US6757498B2Jun 29, 2004
WDM optical network with passive pass-through at each node
NORTEL NETWORKS LTD9 citations82
US6751418B2Jun 15, 2004
WDM optical network with passive pass-through at each node
NORTEL NETWORKS LTD12 citations82
COMMISSARIAT ENERGIE ATOMIQUE
11 patentsUS4326166AApr 20, 1982
Correcting circuit for differential pick-up, comprising digital means
COMMISSARIAT ENERGIE ATOMIQUE49 citations92
US6339327B1Jan 15, 2002
Eddy current probe for inspecting electrically conducting parts
COMMISSARIAT ENERGIE ATOMIQUE24 citations86
US4153875AMay 8, 1979
Eddy-current testing device for metal tubes which are bent at least locally
COMMISSARIAT ENERGIE ATOMIQUE24 citations79
US4061968ADec 6, 1977
Process of and apparatus for non-destructive eddy current testing involves the suppression of displayed lobes corresponding to fault parameters to be eliminated from the display
COMMISSARIAT ENERGIE ATOMIQUE19 citations74
US4555664ANov 26, 1985
Process and device for inspecting a surface in simulated manner which differs from the real surface scanning by an eddy current transducer
COMMISSARIAT ENERGIE ATOMIQUE12 citations73
US4521150AJun 4, 1985
Device for positioning a member facing each of the perforations of a perforated plate in accordance with a given grid
COMMISSARIAT ENERGIE ATOMIQUE14 citations73
US4109201AAug 22, 1978
Measuring bridge for an inspection or checking device by means of eddy currents
COMMISSARIAT ENERGIE ATOMIQUE8 citations73
US4087748AMay 2, 1978
Pneumatic drive device for a probe, particularly an eddy current measuring probe
COMMISSARIAT ENERGIE ATOMIQUE11 citations73
US4633177ADec 30, 1986
Device for checking bent tubes by a probe, such as a pneumatically propelled eddy-current probe
COMMISSARIAT ENERGIE ATOMIQUE17 citations71
US4488114ADec 11, 1984
Device for non-destructive testing by eddy currents comprising air-gap correction means
COMMISSARIAT ENERGIE ATOMIQUE4 citations62
US4389611AJun 21, 1983
Apparatus for displacing a sensor into a tube and automatically returning it
COMMISSARIAT ENERGIE ATOMIQUE6 citations60