Measuring system for the non-contact determination of the shape of long objects having diffusely reflecting surfaces
CA 2065775 A1 · Owner: Tengler, Juergen · Inventors: Tengler, Juergen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is intended particularly for use in sawmills in order to cut sharp-edged boards from side slabs. Using opto-electronical structural elements it is intended to, construct a measurement system for long objects having diffusely reflecting surfaces and to do this in a simple manner said, measurement system requiring no additional space in order to make these measurements. To this end, a plurality of beam sources are installed at a specific interval from each other said interval, growing larger from the reference point to the detector row and, parallel to the longitudinal axis of the object to be measured outside the reference plane of the analysing detector row so, that, …
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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 April 10, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 10, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 10, 2014.
- 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
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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.