Radiographic device and method for recovering information from over-exposed radiographs
CA 1112495 A · Owner: European Atomic Energy Community (Euratom) · Inventors: Luchtmans, Fernand; Pisoni, Angelo; Jehenson, Pierre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for recovering information from over-exposed regions of image recording emulsions in general and radiographs, in particular includes a light-tight housing the outer surface of which is covered with a layer of lead a source arranged to, project ionizing radiation within said housing and a removable, cassette which, in use carries the over-exposed radiograph in close contact with a further film for recording the information. The cassette has a light-tight cover which is displaceable to permit exposure of the further film to an image produced by irradiation of the over-exposed radiograph by the source. The method includes irradiating the over-exposed radiograph placed, in close …
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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 November 17, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 1998.
- 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.