Liquid container, ink jet recording apparatus, apparatus and method for controlling the same, apparatus and method for detecting liquid consumption state
CA 2507422 A1 · Owner: Kanaya, Munchide · Inventors: Tsukada, Kenji; Kanaya, Munchide
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for controlling an ink jet recording apparatus where a liquid container having a, piezoelectric device for detecting a liquid inside can be detachably loaded. The control, method comprises a measuring step at which a sensor unit disposed inside or outside the, ink jet recording apparatus measures the characteristic value of the piezoelectric device, a, judgment step of judging whether or not the sensor unit satisfies a predetermined, condition, and a control step of bringing the ink-jet recording apparatus into an active or, inactive state according to the result of the judgment step. It is possible to judge whether, or not the piezoelectric device operates normally to …
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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
- Filed July 3, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 3, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 3, 2023.
- 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
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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.