Synthetic imaging technique
CA 1321717 C · Owner: Kreuzer, Justin L. · Inventors: Kreuzer, Justin L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An optical system wherein a mask pattern occurring at a predetermined period is imaged with a period less than the predetermined period. Spatial filter means are disposed within the optical system for permitting only the two positive and negative first orders of light from an illumination source diffracted by the mask pattern to pass therethrough.
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 August 31, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 31, 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.