Device for velocity matching between electrical and optical signals
CA 2104181 A1 · Owner: Djupsjobacka, Anders Gustav · Inventors: Djupsjobacka, Anders Gustav
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a device for velocity matching between optical and electrical signals in a waveguide structure (10) comprising first waveguiding means (7 7) for optical signals and second waveguiding means (5 6), for electrical signals. The cross-section (A B) of the, waveguide structure varies dielectrically in the direction of the propagation.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed August 16, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 16, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 16, 2015.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.