Detection system for explosives
CA 1314633 C · Owner: Jamieson, Jeffrey F. S. · Inventors: Jamieson, Jeffrey F. S.; James, Gwilyn; Spackman, Ramon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
To detect if an article contains explosive the, article is passed adjacent a source of neutrons and an array of gamma ray detectors. Neutrons from the source generate gamma rays in the explosive, due to its high nitrogen content, and those gamma rays are detected by the detectors. An analysis system is provided which analyses the outputs of the detectors in a series of time intervals so that the article is analysed in a series of windows and from this high nitrogen areas can be detected. These windows extend along the article in the direction of its movement due to transportation by e.g. a conveyor and also transversely by providing an array of the detectors arranged transversely to the …
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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 March 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 16, 2010.
- 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.