Interface module for superimposing alphanumeric characters upon rgbvideo signals
CA 1281124 C · Owner: Reali, Aldo · Inventors: Appiano, Silvano; Pozzi, Mauro; Chiarottino, Wolmer
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An interface module is provided for connection to a SCART interface of a commercial television set or monitor to superimpose alphanumeric characters of video pages generated by the module as colour encoded video signals, upon an external RGB video signal by superimposition or windowing. The module has a central processing unit which processes commands from an alphanumeric keyboard, remote control and touch screen device, as well as communications exchanged with a processing centre for example via the D channel of an ISDN network), which commands and control the generation of alphanumeric characters communications. The module also generates a fast switching signal for application to the …
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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 March 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 5, 2008.
- 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.