Video display system
CA 1049669 A · Owner: Sony Corporation · Inventors: Shionoya, Toshio; Amano, Yoshifumi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A video display system employing a flat display panel of X-Y matrix type, signal sampling means "write in" and, "read out" memory circuits serially connected between the signal sampling means and the display panel, and a novel signal control means connected to the "write in" and "read our" memory circuits wherein the number of lines or leads for distributing signals from the "read out" memory circuits to the display panel and the number of memory devices used in the "read out" memory circuits are reduced substantially.
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 February 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 27, 1996.
- 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.