Compensating time-base errors in a reproduced video signal
CA 1084154 A · Owner: Sony Corporation · Inventors: Yoshinaka, Tadaaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A REPRODUCED VIDEO SIGNAL . ABSTRACT OF THE DISCLOSURE Apparatus for use with a video signal playback system of the type which reproduces a previously recorded composite color video signal wherein time-base errors appear in the luminance component of that video signal. The apparatus modifies the chrominance component of the composite video signal 80 as to have time-base errors in correspondence with the errors in the luminance component. The luminance and chrominance components are separated from the composite color video signal; and a local subcarrier reference signal is generated to have the time-base errors which are present in the luminance component. This local subcarrier reference …
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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 August 19, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 19, 1997.
- 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.