Screen simulator window
CA 1319037 C · Owner: Macdonald, Robert William Guthrie · Inventors: Kanaar, Keith William; Martin, Donald Lewis Maunsell; Macdonald, Robert William Guthrie
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A screen simulator window for which may be used in aircraft simulators or amusements machine comprising a window through which a scene may be viewed a partial, screen arranged immediately behind the window the screen consisting of alternate opaque screen portions and transparent portions, means to cause the adjacent screen portions to be transposed at a speed such that the presence of the screen is not apparent to the eye of a viewer, the surfaces of the screen portions directed away from the window being suitable for the receipt of a projected image, a projector arranged to project a scene onto the said surfaces of the screen portion so that light from the projector is not directly visible …
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
- Granted June 15, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 15, 2010.
- 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.