Sensor for sensing an electric field
CA 2592017 C · Owner: Vannozzi, Frederick John · Inventors: Polyzois, Christos Alkiviadis; Berends, David Christopher; Lang, Frank Bowen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sensor (100) for sensing an electric field includes a movable sensor probe (110), (HO') including one or more pair typically three pair, of electrically conductive electrodes (HOx), (11Oy), (11Oz) and may include one or more pair , of selectively switchable auxiliary electrodes (1110) . The probe (100) (1001) is movable and may be mounted on a vehicle or trailer (150) . A processor (200) may process electric field signals from the probe (100) (100') for providing a human perceivable indication of the electric field. The processor (200) may perform a Fast Fourier Transform (224) of the electric field signals to produce an indication of the magnitude of the electric field and may …
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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 December 19, 2005 and granted March 31, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 19, 2025.
- 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.