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Bertrand Jarret
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Paris, FR
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last 30 patents
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Patent Grant
System for transmitting digital signals over an optical fiber
Patent number
4,504,975
Issue date
Mar 12, 1985
Lignes Telegraphiques et Telephoniques-L.T.T.
Bertrand Jarret
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Device for triggering an alarm system in the event of insufficiency...
Patent number
4,399,565
Issue date
Aug 16, 1983
Lignes Telegraphiques et Telephoniques
Bertrand Jarret
H04 - ELECTRIC COMMUNICATION TECHNIQUE