Flat panel display device with operator-controlled display
CA 1331230 C · Owner: Soubrier, Jean Marie · Inventors: Soubrier, Jean Marie; Brice, Michel; Buisson, Jean Michel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The flat panel display device is organized so as to have, on its front side, a part with dedicated liquid crystals used in back-up mode, a matrix display part with non-dedicated liquid crystals used in normal mode and a, keyboard where the meaning of its keys is displayed by the matrix. Furthermore, the non-dedicated liquid crystal matrix is addressed so as to increase operational safety and displaying speed.
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 August 2, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 2, 2011.
- 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.