Method and apparatus for setting and monitoring an exposure spot for printing
CA 1214349 A · Owner: Rudolf Hell G.M.B.H. · Inventors: Schulz-Hennig, Joerg
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Point-to-point film exposure for recording rasters continuous tone images and linework characters in scanner technology wherein the exposure spot is defined by the light intensity the size, the, focus and intensity distribution which are controlled to achieve a uniform and high contrast exposure.
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 November 25, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 25, 2003.
- 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.