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Expired Canadian patentCanada

Image sensors

CA 1268853 C · Owner: Morcom, Christopher John · Inventors: Morcom, Christopher John

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A CCD image sensor is operated in an asynchronous mode to enable it to capture short lived events or to, freeze rapid motion. The image is acquired during an integration period which is triggered by a strobe pulse and the resulting charge is held in a storage section of the CCD sensor until a regularly occuring field read-out period, during which the charge is read-out to constitute a video signal.

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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 8, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 8, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 19, 1987
GrantedMay 8, 1990
Term endedMay 8, 2007
Patent numberCA 1268853 C
Classification (IPC)H04N5/33 +1 more

Timeline

Timeline From CIPO dates

1988199019921994199619982000200220042006Application filedOct 19, 1987Patent grantedMay 8, 1990Term endedMay 8, 2007

Sources & verification

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