Multicolor images using an electron beam
CA 1249326 A · Owner: G A F Corporation · Inventors: Moskowitz, Mark L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for providing a direct optical readout of a pattern or collection of data in a plurality of distinctive colors on a dielectric film capable of receiving information by exposure to an electron beam imaging source, which process comprises subjecting said film to a series of separate exposures from an electron beam source, each exposure representing a portion of the overall pattern or collection of data to be transmitted; treating said film after each exposure intended to distinguish a portion of the overall information with a toner of a distinctive color which combination of colors may be selected for maximum definition and contrast; and separately drying each of said toners on said …
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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
- Granted January 24, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 24, 2006.
- 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.