Method and device for displaying a video image and a process for producing the device
CA 2246554 A1 · Owner: Vogel, Wolfgang · Inventors: Deter, Christhard; Hiller, Klaus; Frost, Holger
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
49-, In a device for displaying a video image with a source (44,44') emitting at least an intensity-modulated light bundle (39,39') and a deflecting device (41,42) for deflecting the light bundle (39,39') for the angle-proportional scanning of Np image points in lines over an angle .alpha.p and for the angle-proportional scanning of the light bundle (39,39') of Nz lines of the video image over an angle .alpha.z the source, (44,44') emits two light bundles (39,39') which can be modulated independently from one another, the first light bundle (39) being modulated with the video information for the illumination of a first image point controlled by raster scanning and the second light bundle …
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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 February 3, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 3, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 3, 2020.
- 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.