Component video signal switch
CA 2314977 A1 · Owner: Unemura, Toyoaki · Inventors: Unemura, Toyoaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Commands (Src, Rc) transmitted from a single remote control activates a first external signal source (STB) and a second internal signal source (NTSC 2), and a component video signal switch (Vsp) switches between a first component video signal (Scv1) from an input terminal (1) connected with the first signal source (STB) and a second component video signal (Scv2) from the second signal source (NTSC, 2), and presents an image on a display device (6). The remotecommand receiver (12) receives the command (Src Rc). A video signal switch , (3) supplies selectively either of the first and second component video signals (Scv1, Scv2) to the display device (6). A component video signal switch …
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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 October 12, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 12, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 12, 2021.
- 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.