Charge pattern development with stream of oppositely charged droplets
CA 1061654 A · Owner: Xerox Corporation · Inventors: Marlow, Richard Z.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A simple and inexpesive method and apparatus for marking with a liquid that overcomes many of the disadvantages of the prior art and produces images of high resolution and good density on an imaging surface with a minimum of electronic or mechanical mechanisms is provided. A stream of charged droplets of regular size and spacing and having a charge polarity opposite to that of the charge pattern to be developed on a moving arcuate imaging surface is produced and is in a path that is substantially tangential to the imaging surface so that the drops pass within less than about 0.020 inches of the surface. An alternating voltage is applied to deflecting electrodes on opposite sides of 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 September 4, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 4, 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.