Process and device for the evaluation of photometric measurement values
CA 1110465 A · Owner: Merck Patent Gesellschaft Mit Beschraenkter Haftung · Inventors: Halpaap, Herbert; Klaus, Robert; Hauck, Heinz-Emil
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for the rapid and direct evaluation of photometric measurement values comprises (a) successively and cyclically passing all measurement positions into the field of view of a photometric detector in such a manner that after the last measurement position is examined, the first measurement position is again examined wherein this scanning of the measurement positions is continuously repeated with high speed during the whole evaluation period; and, (b) feeding the voltage thereby produced in the photometric measurement cell as the deflection input of an oscillograph whose sweep frequency is coordinated with the frequency at which the measurement positions pass by the detector. A …
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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 October 13, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 13, 1998.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.