Wireless communications device having a compact antenna cluster
CA 2365699 A1 · Owner: Moustakas, Aris L. · Inventors: Stoytchev, Marin; Safar, Hugo F.; Simon, Steven H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wireless communication device comprising a signal processing device coupled to a cluster of multiple port antennas that can simultaneously transmit and/or, receive communication signals. The cluster of antennas operates within a frequency, band having maximum frequency .function. and at least a pair of the antenna , ports is placed in a volume of space whose longest linear dimension is ~ or less where ~ is equal to, ~. During operation of the antenna cluster the radiation patterns from , different antennas have main lobes that point in different directions and have correlations of 0.7, or less with respect to each other.
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 December 19, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 19, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 19, 2023.
- 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.