Eye directed controller
CA 2047431 A1 · Owner: Biocontrol Systems, Inc. · Inventors: Lusted, Hugh S.; Knapp, R. Benjamin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for operating a video game controlling the cursor position on a computer display and, controlling the operation of equipment and devices using electro-oculogram and electro-myogram signals resulting from eye movement and muscle contractions in the human body. Operator (10) wears sensor assembly (12) which is connected to control processor (18). Movement of the eyes produces electro-oculogram signals which control processor (18) detects and converts into separate control signals representing upward movement, downward movement, movement to the left and movement to the right. Muscle contractions produce electro-myogram signals which control processor (18) detects and …
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 July 19, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 19, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 19, 2013.
- 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.