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Expired Canadian patentCanada

Reproducing processor for video format signals

CA 1322049 C · Owner: Pioneer Electronic Corporation · Inventors: Tenma, Tetsuya

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 reproducing processor for video format signal is proposed which includes reproducing means which obtains a video format signal from a recording medium in which is recorded said signal including a digital data section and a video section, command means which issues a digital data section reproducing command, dropout compensation command means for issuing a dropout compensation command in response to the digital section reproducing command dropout compensation means which carries out dropout compensation for a video format signal obtained from the reproducing means in response to a command from the dropout compensation command means, signal processing means which shapes a pulse waveform of …

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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 September 7, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 7, 2010.
  • 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 7, 1989
GrantedSeptember 7, 1993
Term endedSeptember 7, 2010
Patent numberCA 1322049 C
Classification (IPC)H04N5/94 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJune 7, 1989Patent grantedSep 7, 1993Term endedSep 7, 2010

Sources & verification

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