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Expired Canadian patentCanada

Enhanced vsb transmitter and receiver

CA 2529960 C · Owner: Lg Electronics Inc. · Inventors: Choi, In Hwan; Kang, Kyung Won

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

An enhanced VSB transmitter includes a data attribute generator which generates data attribute information based on a current enhanced mode map and a VSB pre-processor which codes first and second supplemental data for error correction interleaves the coded supplemental data and expands the interleaved data at first and second rates respectively, according to the data attribute information. The transmitter further includes a multiplexes which multiplexes main data with the expanded supplemental data according to the data attribute information and a VSB processor which codes the data multiplexed by the multiplexes for error correction.

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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 December 13, 2005 and granted October 22, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 13, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 13, 2005
GrantedOctober 22, 2013
Term endedDecember 13, 2025
Patent numberCA 2529960 C
Classification (IPC)H04N5/40 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedDec 13, 2005Patent grantedOct 22, 2013Term endedDec 13, 2025

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