Information transmission system
CA 1282148 C · Owner: Verbiest, Willem Jules Antoine · Inventors: Verbiest, Willem Jules Antoine; Duponcheel, Marc Maurice Lucienne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Information transmission system wherein information signals (Y1, C1; Y2, C2; Y3 C3) relating to, a same video image and defining this image with a different accuracy are transmitted in an asynchronous way and on a time division basis under the form of packet sets (Y1, C1; Y21, C21; Y32, C32). In a receiving station (552) the information signals are derived from the received packet sets and by means of selection circuit (SEC1/3) two or more of these signals are supplied to a combination device (VTE) and are combined therein to form an image. Fig.
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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 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 26, 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.