Electronically scanned infrared moisture measuring system
CA 1196512 A · Owner: Sentrol Systems Ltd. · Inventors: Riggin, Michael T.; Mactaggart, John W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for measuring the moisture content of a moving web in which radiation from a source located at a point remote from the web is conveyed by a plurality of light pipes to a plurality of transmitting ports arranged across the surface of the web in a direction generally perpendicular to the direction of travel of the web. A plurality of receiving ports arranged in alignment with the transmitting ports collect radiation either reflected from or transmitted through the web. A second set of light pipes convey the collected radiation to a photodetector array located at a point remote from the web. The photodetector is monitored by a microprocessor control system which provides an …
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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 November 12, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 2002.
- 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.