Synchronization of television vertical deflection system
CA 2086833 C · Owner: American Dynamics Corporation · Inventors: Waehner, Glenn Carl
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Vertical deflection circuitry for substantially eliminating rolling and bouncing in a video monitor where for example, the, video monitor (260) successively displays images produced by each of one of a plurality on non-synchronized video cameras (161 162) and an incoming vertical synchronization (synch) signal (230) to the monitor is merely a composite of the individual vertical synch signals (210, 220) generated by each of these cameras. Specifically the vertical deflection circuitry (300) generates the appropriate vertical sweep signal for a current one of these cameras from this composite synch signal so as to properly locate the corresponding video image generated by this camera on a …
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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 September 24, 1990 and granted June 30, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 24, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 24, 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.
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.