Antenna system for dual mode satellite/cellular portable phone
CA 2242480 A1 · Owner: Reinhold, Stanley L. · Inventors: Reinhold, Stanley L.; Macdonald, James D. Jr.; Ma, Yawei
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A portable phone capable of operating in cellular and satellite modes of communication is disclosed as including a main housing circuitry located , within the main housing for operating the portable phone in the cellular mode circuitry located within the main housing for operating the portable phone in the satellite mode, a first antenna coupled to the cellular circuitry for receiving and transmitting signals in the cellular mode and a second antenna , coupled to the satellite circuitry for receiving and transmitting signals in the satellite mode. The second antenna can either be mounted to the main housing of the portable phone or housed within a flip cover coupled to the main …
Read the whole patent
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 January 15, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 15, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 15, 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.