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Canadian application, no grantCanada

A method and arrangement for minimizing skew

CA 2243975 A1 · Owner: Lindstrom, Bengt · Inventors: Steijer, Odd; Lindstrom, Bengt; Moll, Hans-Christer

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Abstract From the Canadian patent

At a signal transmission rate of 1 Gb/s the "bit time" is 1 ns. This , corresponds to a bit length in an optical fibre of 0.2 m. In view of the fact that skew shall not exceed one-tenth of a bit length this means that length , differences between different conductors in a transmission line may not exceed 2 cm. With the intention of minimizing the skew that would thus otherwise occur in a transmission line, the transmission line (1) and its conductors (2) have been joined three and three to form a ribbon cable or flat cable where the length difference (5) between different conductors (2) in the transmission line does not exceed 2 cm. By providing transmission lines such as rolled-up , …

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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 January 17, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 17, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 17, 2019.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 17, 1997
GrantedNo grant recorded
Term endedJanuary 17, 2017
Patent numberCA 2243975 A1
Classification (IPC)H04L1/22 +2 more

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedJan 17, 1997Term endedJan 17, 2017

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.