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Expired Canadian patentCanada

Correlator for synchronisation detection

CA 1290853 C · Owner: Roke Manor Research Limited · Inventors: Richardson, Michael R.; Hulbert, Anthony P.

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

The invention provides a correlator for determination of synchronism in data transmission wherein the correlator made up of, a plurality of short correlators each of which provides correlation of, an incoming sync word is arranged to compare the incoming syne word with a reference sequence load and to determine the optimum. sampling phase.

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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

  • Granted October 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 21, 1988
GrantedOctober 15, 1991
Term endedOctober 15, 2008
Patent numberCA 1290853 C
Classification (IPC)H04L7/04 +1 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedJune 21, 1988Patent grantedOct 15, 1991Term endedOct 15, 2008

Sources & verification

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