System and method for arithmetic operations for electronic package inspection
CA 2340420 A1 · Owner: Robotic Vision Systems, Inc. · Inventors: King, Steven Joseph; Ludlow, Jonathan Edmund
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An inspection system and method uses a first illumination apparatus to illuminate one or more features. Once the object being inspected is illuminated, a first reflected image of the features is captured by an illumination detection device (420). The image is then stored (430). The object being inspected is then illuminated by at least one additional illumination apparatus (440). Each additional illumination apparatus is selected so that it differs from other illumination apparatuses in either geometrical arrangement, degree of diffusion or illumination characteristic. An additional reflected image is then captured by each additional illumination apparatus (450). Each additional …
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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
- Filed August 9, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 9, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 9, 2021.
- 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.