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US 8,798,536 B2Granted
Mobile wireless communications device including parallel NFC loop antennas and associated methods
AssigneeBlackBerry Limited
InventorRayhan Behin
Life of this patent
Estimating the term…
Abstract
A mobile wireless communications device includes a portable housing, an NFC transceiver carried by the portable housing, and an antenna assembly coupled to the NFC transceiver and comprising a plurality of loop antennas connected in parallel, and progressively increasing in size from an innermost loop antenna to an outermost loop antenna.
Claims22
A mobile wireless communications device comprising:
- a portable housing;
- an NFC transceiver carried by said portable housing;
- a pair of antenna feed points;
- and
- an antenna assembly carried by said portable housing and coupled to said NFC transceiver, and comprising a plurality of nested loop antennas coupled in parallel and progressively increasing in size from an innermost loop antenna to an outermost loop antenna, wherein said plurality of nested loop antennas each have respective ends adjacent one another, and adjacent said pair of antenna feed points and coupled thereto.
2 more elements
A mobile wireless communications device comprising:
- a portable housing comprising a removable battery cover;
- a cellular transceiver carried by said portable housing;
- a cellular antenna coupled to said cellular transceiver;
- an NFC transceiver carried by said portable housing;
- a pair of antenna feed points;
- and
- an antenna assembly carried by said removable battery cover and coupled to said NFC transceiver, and comprising a plurality of nested loop antennas connected in parallel, wherein said plurality of nested loop antennas each have respective ends adjacent one another, and adjacent said pair of antenna feed points and coupled thereto.
4 more elements
A method for making a mobile wireless communications device comprising:
- positioning an NFC transceiver within a portable housing;
- providing a pair of antenna feed points;
- and
- coupling an antenna assembly to the NFC transceiver within the portable housing, the antenna assembly comprising a plurality of nested loop antennas connected in parallel and progressively increasing in size from an innermost loop antenna to an outermost loop antenna wherein the plurality of nested loop antennas each have respective ends adjacent one another, and adjacent the pair of antenna feed points and coupled thereto.
1 more element
Dependencies are inferred from the claim text.