Cooling of high voltage driver
CA 2292046 A1 · Owner: Simon, Robert J. · Inventors: Simon, Robert J.; Bowling, Bruce A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A compact cooling technique is provided for cooling an ink jet printer or printhead electronics. A cooling plate is held in good thermal contact to the integrated circuits to be cooled. Fluid passing through the cooling plate then cools the electronics. The cooling plate is typically an aluminum plate embedded with thin walled stainless steel tubing through which fluid flows to provide cooling. The cooling plate has a compliant pad which is thermally conductive and, electrically insulated. The plate and pad combination is held against the integrated circuits for controlling the high voltage to the charging electrodes, which are mounted on the charge driver board. The integrated circuit is …
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
- Filed December 10, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 10, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 10, 2021.
- 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.