Light emitting display on a portable communication device for incoming phone calls
CA 2325673 A1 · Owner: Chong, Sze-Huen · Inventors: Chong, Sze-Huen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A light emitting display on a mobile phone for incoming phone calls comprises an electro luminescent lamp, and a control circuit to mount on the battery of the mobile phone. The control circuit further comprises a signal receive, unit, an automatic control unit a reverse changed voltage rising unit, and switching drive unit.
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
- Filed November 10, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 10, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 10, 2022.
- 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.