Apparatus for coding a digital component video signal
CA 1323686 C · Owner: Wilkinson, James H. · Inventors: Wilkinson, James H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for coding a digital component video signal, comprising first means for modulating a first carrier signal with one of the component chrominance signals, the first carrier signal having a four-field sequence such that the phase of the first carrier signal is inverted at every line intervals, second means for modulating a second carrier signal with the other of the component chrominance signals, the second carrier signal having a two-field sequence such that the phase of the second carrier signal is inverted at every field intervals, and means for combining a luminance signal with the modulated chrominance signals to thereby reduce the bandwidth of the combined component video …
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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 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 26, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.