Display system
CA 1250011 A · Owner: Sony Corporation · Inventors: Shimada, Satoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A display system having a plurality of fluorescent display cells arranged in an X - Y matrix form is disclosed in which each of the display cells is provided with a blind at the upper side, the blind having a black surface at the top thereof and a conductive reflecting-surface at the bottom thereof and the conductive reflecting-surface is electrically grounded.
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 14, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 14, 2006.
- 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.