FAN BEAM X- OR .gamma.-RAY 3-D TOMOGRAPHY
CA 1090481 A · Owner: Board Of Trustees Of Leland Stanford, Jr. University · Inventors: Boyd, Douglas P.; Goitein, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Application for Patent, of, Douglas P. Boyd and Michael C. Goitein for, FAN BEAM X- OR Y- RAY 3-D TOMOGRAPHY ABSTRACT OF THE DISCLOSURE, A fan-shaped beam of penetrating radiation such as X-ray, or .gamma.-ray radiation is directed through a slice of the body to be analyzed to a position sensitive detector for deriving a shadowgraph of transmission or absorption of the penetrating radiation by the body. A number of shadowgraphs are obtained for different angles of rotation of the fan-shaped beam relative to the center of the slice being analyzed. The detected fan beam shadowgraph data is reordered into shadowgraph data corresponding to sets of parallel paths of radiation through the body. …
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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 25, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 25, 1997.
- 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.