Portable device for receiving and/or transmitting radio-transmitted messages comprising an inductive capacitive antenna
CA 2203976 A1 · Owner: Gassmann, Felix · Inventors: Gassmann, Felix; Teodoridis, Viron; Spina, Francesco
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Portable device for receiving and/or transmitting radio-transmitted messages comprising: - a case (11; 42; 51), - an antenna (12; 31 32; 52, 53) capable of, picking up both a magnetic component and an electric component of an electromagnetic field carrying radio-transmitted messages, and, - a micro-receiver (13) receiving the messages picked up by the antenna, said antenna comprising two conductive plates (15 16; 31, 32; 52, 53 ) disposed so as to pick up the radial electric component (Er) of said electromagnetic field with respect to the body of the wearer. The antenna (12; 31 32; 52, 53) is formed by a coil, (17) comprising a turn arranged in said case (11; 42; 51) to pick up the …
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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 29, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 29, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 29, 2019.
- 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.