Over-platen document registration apparatus
CA 1189127 A · Owner: Xerox Corporation · Inventors: Silverberg, Morton
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In an original document sheet feeding 10 and registration apparatus for a copier 12, in which a document sheet 14 is fed with a document feeding belt 11 over the imaging station 16 of the copier the, imaging station having a copying lens 20 in an integrating optical cavity 22 under the platen 16, document registration is provided on the platen 16 without impacting the document edge, using at least one minor spectrally reflective patch 38, 44, 54 on the otherwise diffusely light reflective surface 37 of the document belt 11, and feeding the document sheets onto the belt 11 in synchronism with the spectral patches with an edge of the document partially oveerllying a patch and detecting the …
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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 June 18, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 18, 2002.
- 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.