Method for producing images in digital dental radiography
CA 2295893 A1 · Owner: Kostka, Gunther · Inventors: Scholz, Oliver; Schmitt, Peter; Kostka, Gunther
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The inventive device for digital dental radiography has a source of Xradiation, a detector device, a correcting device and a temperature control device. Said detector device consists of a CCD array on which a scintillator layer is arranged and the radiation geometry of the detector device is constant in relation to the source of X-radiation. The correcting device corrects the electrical signals generated by the CCD array by compensating fluctuations in the electrical signals of the individual elements of the CCD array caused by a dark current of said array elements by the array elements , having different degrees of conversion efficiency and by the inhomogeneity of the scintillator …
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 October 23, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 23, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 23, 2019.
- 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.