Multi-tactile display haptic interface device
CA 2467228 A1 · Owner: The Henry M. Jackson Foundation For The Advancement Of Military Medicine, Inc. · Inventors: Liu, Alan V.; Kaufmann, Christoph R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tactile array is integrated with a large scale force-feedback device. Under software control, the large scale force-feedback device provides large scale shape information while the tactile display provides fine structures and surface texture (410). In a virtual reality environment the concept of a , "tactile map" (420) is employed. A tactile map provides surface details and is rendered by the tactile array. Tactile maps may be based on actual object surface properties, or they may be arbitrarily generated based on the application. In operation, the effect of colliding with a object is produced and the point of contact is noted. The corresponding location on the tactile map is …
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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 14, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 14, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 14, 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.