Tunnel vision video display system
CA 2105668 A1 · Owner: Brooke, Kenneth R. · Inventors: Brooke, Kenneth R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A video display system that provides a low cost means by which a high volume of participants may be processed through an interactive video system in an rapidmanner. The system is comprised of a darkened serpentine tunnel constructed of flat faceted rear projectors screens, formed as a series of multi-screen sections. Video imagery is projected onto the screens from video projectors using reflecting mirrors disposed on the back side of the screens. The screen sections are mated together to form the complete tunnel. Participants traverse through the darkened tunnel riding in vehicles that are guided in a manner analogous to automobiles processed through a car wash or a factory assembly line. …
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 February 24, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 24, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 24, 2015.
- 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.