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Inventor

Luc Berthelon

Inventor
Palaiseau, FR

Overview

3→
Patents
1997–2004
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Jprimary
H04JMultiplex communication43%
H04QSelecting43%
H04LTransmission of digital information, e.g. telegraphic communication14%
PatentTitleYear
6,813,413'Method and a system for protecting data transmitted on an optical ring formed of a single optical fiber'20046,262,821'Optical spectral multiplexer for inserting and extracting'20015,612,805'Add-drop optical spectrum-division multiplexer'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2004Patents assigned to CIT ALCATEL (3)· patent assignee history
1997–2004Based in Palaiseau, FR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CIT ALCATEL31997–2004
Locations
LocationPatentsSpan
Palaiseau, FR31997–2004