Video switcher system with modular architecture
CA 1298398 C · Owner: Frasier, Richard A. · Inventors: Bannister, Richard S.; Frasier, Richard A.; Olmstead, Neil R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Video signal processing apparatus comprises at least first and second source selectors each having a plurality of input terminals, for receiving a plurality of video signals respectively and at, least two output terminals. A set of video processors each have an input terminal and an output terminal. A processor selector is provided for connecting each source selector output terminal selectively to each video processor input terminal. First and second output devices each have a plurality of input terminals connected to the output terminals of the video processors respectively and also have an output terminal. Operator interfaces are connected to the processor selector for defining a first …
Read the whole patent
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 March 31, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 31, 2009.
- 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.