Eddy current testing device
CA 1207837 A · Owner: Intercontrole Societe Anomyme · Inventors: D'Hondt, Jean P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Eddy current non-destructive testing device comprising in per se known manner an exciting generator, a probe connected to the latter means, for sampling in the probe a measuring voltage means, for producing a reference voltage a differential, amplifier having a first and a second input and an output, a first input receiving the measuring voltage and the second the reference voltage digital signal processing means having an input connected to the output of the differential amplifier across an amplifier, said processing means successively comprising an analog - digital converter a first, random access memory and a digital processing circuit wherein the means for producing a reference voltage …
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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 July 15, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 15, 2003.
- 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.