Inventor
HAMEL ANDRE
CA16 patents
⚠️ This page may combine multiple inventors who share the name “HAMEL ANDRE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FRANCE TELECOM
10 patentsUS5771112AJun 23, 1998
Reconfigurable device for insertion-extraction of wavelengths
FRANCE TELECOM112 citations96
US5748815AMay 5, 1998
Optical component adapted to monitor a multiwavelength link and add-drop multiplexer using this component, application to optical networks
FRANCE TELECOM77 citations94
US5712717AJan 27, 1998
High isolation, optical add-drop multiplexer
FRANCE TELECOM70 citations93
US6204943B1Mar 20, 2001
Reconfigurable ring transmission network with multiplexing in wave length for semi-permanent links
FRANCE TELECOM26 citations89
US5943148AAug 24, 1999
Surveillance system of a multi-wavelength ring network
FRANCE TELECOM27 citations89
US5760934AJun 2, 1998
Ring network for transmitting wavelength-multiplexed informations
FRANCE TELECOM73 citations89
US5510923AApr 23, 1996
Telecommunications system combining wavelength multiplexing and packet switching networks
FRANCE TELECOM24 citations86
US5353145AOct 4, 1994
Optical distributor
FRANCE TELECOM20 citations86
US5506710AApr 9, 1996
Add - drop multiplexer
FRANCE TELECOM14 citations73
US5432628AJul 11, 1995
Optical communications network
FRANCE TELECOM0 citations39
HYDRO QUEBEC
3 patentsUS4831327AMay 16, 1989
Self-powered electrical measuring system isolated from electrical perturbances
HYDRO QUEBEC64 citations93
US4827370AMay 2, 1989
Enclosure for electric device, in particular for surge arrester, including a molded, electrically insulating envelope
HYDRO QUEBEC8 citations71
US7102861B2Sep 5, 2006
Cryogenic current limiting fuse
HYDRO QUEBEC0 citations38