Photo electric measuring device
CA 2359835 A1 · Owner: Viptronic Gmbh · Inventors: Pallingen, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for the photoelectric measuring of an opaque or transparent object to be, measured includes a photoelectric sensor (4) and a measuring optics (3) which directs, measuring light originating from a measurement field of the object to be measured (6), onto the sensor (4). A control electronic (5) cooperates with the sensor (4) for the proc-, essing of the electrical signals produced by the sensor. The sensor (4) includes at least, two individually controlled and concentrically arranged partial sensors (41 42, 43), and, the control electronics (5) includes switching means (51) by which the partial sensors, (41, 42, 43) can be selectively switched on or off-line. The use of a …
Read the whole patent
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 October 23, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 23, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 23, 2023.
- 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.