Elementary display cell for point matrix display panels
CA 1260265 A · Owner: Societe D'Etudes Pour Le Developpement Des Productions Electroniques · Inventors: Le Gars, Jacques
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to an elementary display cell comprising a plate with one reflective side and one black side, the plate revolving between an active position when the reflective side is showing and a non-, functioning position when the black side is showing. According to the invention, the extremity of a fiber optic cable which transmits light is placed behind plate which, plate is pierced with a hole opposite the extremity of the fiber optic cable when plate is in the active position. Thanks to this invention, a display panel with a good visual impact when seen from a great distance while being easily read from a shorter distance can be obtained.
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 September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 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.