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Expired Canadian patentCanada

Device and method to measure a short radiation pulse or an electric pulse

CA 1323503 C · Owner: Organisation Europeenne Pour La Recherche Nucleaire (Cern) · Inventors: Rossa, Edouard; Cuzin, Marc

CIPO record

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Abstract From the Canadian patent

The invention concerns a device for measuring a single short pulse and includes at least one measuring unit (D1, Dn) comprising a conductive line (L) connected to a set of photoconductors (A B1-Bp), the, line and photoconductors being placed between two nonconductors forming a single support in which the length of the line (x1) separating the photoconductors two-by-two is equal to the product of the propagation speed on the line with respect to the duration of the pulse concerning the number of measurement points the, lifetime of the majority conductors constituting the photoconductors being selected as being equal to or less than 10% of the duration of the pulse the device, thus making it …

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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 October 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 26, 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.
FiledJanuary 19, 1989
GrantedOctober 26, 1993
Term endedOctober 26, 2010
Patent numberCA 1323503 C
Classification (IPC)G01R29/02

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJan 19, 1989Patent grantedOct 26, 1993Term endedOct 26, 2010

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.