Virtual keypad input device
CA 2615359 C · Owner: Maw, Wai-Lin · Inventors: Maw, Wai-Lin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A compact input device for fast text input. Ten perimeter regions are defined in a decagon shaped ring on a touch pad and nine more center , regions arranged in a 3 by 3 matrix are defined at the center of the perimeter regions. In alphanumeric mode each of the ten perimeter , regions represents a numeral or a character of the same order found on , a corresponding key of the ten numeric keys 0 to 9, found on a , standard 12-key telephone keypad. All perimeter regions synchronously switch to another group of characters of the same order in accordance , with the direction of a swipe on any of the perimeter regions. A tap on a perimeter region selects the character represented by the …
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 August 1, 2005 and granted September 27, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 1, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.