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Expired Canadian patentCanada

Three dimensional imaging device

CA 1319188 C · Owner: Rioux, Marc · Inventors: Rioux, Marc

CIPO record

Overview

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

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Abstract From the Canadian patent

A three dimensional imaging device has a converging lens system defining an optical axis, known as the z direction. The imaging device also includes a position sensitive detector that has a series of pixels extending in at least a selected one of two mutually perpendicular X and Y directions both perpendicular to the Z direction. The lens system will simultaneously image a plurality of distributed points on a target surface onto the detector to generate first data on the coordinate of each point on the target surface in the X and/or Y direction. Also included in the system is a mask having a pair of apertures spaced apart from each other in the selected direction and respectively aligned …

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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 June 15, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 15, 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.
FiledAugust 24, 1989
GrantedJune 15, 1993
Term endedJune 15, 2010
Patent numberCA 1319188 C
Classification (IPC)G01N21/86 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedAug 24, 1989Patent grantedJune 15, 1993Term endedJune 15, 2010

Sources & verification

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