Entry of a password through a touch-sensitive computer system
CA 2386563 A1 · Owner: Lenovo (Singapore) Pte. Ltd. · Inventors: Schule, Robert John; Comfort, Dawn Ashley
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A keyboard graphic is displayed on a touch-sensitive display screen of a computing system, when it is determined that a password should be entered so that the password , can be entered by touching individual spaces within the keyboard graphic. The keyboard graphic may be thus, displayed several times during the operation of the system including , following a predetermined, period in which no user input is made to the computing system under control , of a subroutine, operating as a screen saver subroutine.
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 May 15, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 15, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 15, 2024.
- 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.