Method and device for reconstructing the shape and position of objectsin space
CA 1300368 C · Owner: Schlumberger, Maurice · Inventors: Schlumberger, Etienne; Schlumberger, Maurice
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The shape and position of objects (1) in space can be reconstructed from at least three projections of these objects as obtained by transmission of waves influenced by their passage through said objects. The method consists in determining for each point of the projections (P1, P2) the distance (li di) traversed through an object by each ray derived from one of the sources, in determining the volume (ABCD) which contains the object (1) and the rays which are derived from the two sources and pass through said object, in plotting the distances (li, di) traversed by the rays within the object from external limits of the volume (ABCD) containing the object then in, plotting the distances from …
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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 May 12, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 2009.
- 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.