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Canadian application, no grantCanada

Method of assigning time slots, as well as system, center, and subscriber facility for carrying out this method

CA 2240766 A1 · Owner: Alcatel Alsthom Compagnie Generale D'Electricite · Inventors: Wahl, Stefan

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A method is disclosed for assigning time slots in a system comprising a plurality of subscriber facilities (NT) connected to a center (HUB) via a common medium the common medium being divided into a plurality of frequency or wavelength channels which are subdivided into time slots. The center assigns time slots to at least part of the subscriber facilities by specifying one channel and one time-slot number for each assigned time slot. After each time slot used, each subscriber facility involved changes to the next allocated channel. Each subscriber facility involved sends information in the time slot with the next assigned time-slot number. Also disclosed are a system a, center, and a …

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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 July 16, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 16, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 16, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 16, 1998
GrantedNo grant recorded
Term endedJuly 16, 2018
Patent numberCA 2240766 A1
Classification (IPC)H04J4/00 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedJuly 16, 1998Term endedJuly 16, 2018

Sources & verification

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