Bus loop power interface and method
CA 2650475 C · Owner: Micro Motion, Inc. · Inventors: Lindemann, Stig
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bus loop power interface (100) is provided according to the invention. The bus loop power interface (100) comprises a voltage control module (110) receiving a loop voltage VLOOP and generating a predetermined supply voltage VSUPPLY an impedance control module (120) coupled to the voltage control module (110) with the impedance control module (120) receiving a loop current ILOOP and generating a predetermined supply current ISUPPLY and a feedback (115) coupled between the voltage control module (110) and the impedance control module (120). The feedback (115) provides a feedback signal to the voltage control module (110) that enables the voltage control module (110) to substantially …
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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 28, 2006 and granted February 3, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 28, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.