Controlling energy to flash lamp response to toner image density
CA 1058905 A · Owner: Xerox Corporation · Inventors: Kulbida, Ihor
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An area coverage sensing apparatus for sensing toner image density on copy sheets. A first array of fiber optic elements connected to a light source transmits illumination to copy sheet. A second array of fiber optic elements receives the reflected illumination from the copy sheets and transmits the reflected illumination spacially concentrated to a remote location. A photodiode at the remote location converts the spatially concentrated optical information into electrical signals proportional thereto for subsequent input.
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 July 24, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 24, 1996.
- 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.