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Canadian application, no grantCanada

Method for displaying world time in a television receiver

CA 2022220 A1 · Owner: Goldstar Co. Ltd. · Inventors: Park, Jae R.

CIPO record

Overview

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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 world time displaying method of a television receiver for displaying principal city names of the world and the present times of the cities upon the user's selection is disclosed. The method comprises steps of selecting a reference regional name according to designating key signals; displaying the reference regional name and the time of the reference region according to setting the time by time-designating key signal and minute-designating key signal; in such a state calculating, Greenwich Mean Time from the present time and the constant of the reference region according to selecting other region different from the reference region by world time display key signals; and calculating the …

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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 30, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 30, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 30, 2012.
  • 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 30, 1990
GrantedNo grant recorded
Term endedJuly 30, 2010
Patent numberCA 2022220 A1
Classification (IPC)H04N5/27 +2 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedJuly 30, 1990Term endedJuly 30, 2010

Sources & verification

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