MODAL ANTENNA-INTEGRATED BATTERY ASSEMBLY
First Claim
Patent Images
1. A modal antenna integrated battery assembly, comprising:
- a battery assembly having an inner portion enclosed within a battery housing, said inner portion including an anode, cathode, and a separator positioned therebetween; and
a modal antenna integrated within said battery assembly, said modal antenna comprising;
a first antenna element positioned above a ground plane and forming an antenna volume therebetween;
a first parasitic element positioned outside of said antenna volume and adjacent to said first antenna;
a first active tuning element associated with said first parasitic element, said first active tuning element adapted to vary a current mode about said first parasitic element for actively steering a radiation pattern associated with said first antenna element;
a second parasitic element positioned within said antenna volume; and
a second active tuning element associated with said second parasitic element;
said second active tuning element adapted to vary a reactive coupling between said first antenna element and said second parasitic element for actively tuning a frequency characteristic associated with said first antenna element.
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Abstract
A modal antenna is formed within a battery assembly for use with a portable electronic device. In certain embodiments, the antenna is printed on an exterior surface of a battery enclosure using a conductive ink. In other embodiments, the antenna is attached, or etched, on a substrate; the substrate may at least partially include a battery housing. The antenna can include an Isolated Magnetic Dipole (IMD) antenna, or other radiating structure. Active components, such as active tuning components, are optionally included in the antenna-integrated battery assembly for the purpose of tuning the antenna.
82 Citations
15 Claims
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1. A modal antenna integrated battery assembly, comprising:
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a battery assembly having an inner portion enclosed within a battery housing, said inner portion including an anode, cathode, and a separator positioned therebetween; and a modal antenna integrated within said battery assembly, said modal antenna comprising; a first antenna element positioned above a ground plane and forming an antenna volume therebetween; a first parasitic element positioned outside of said antenna volume and adjacent to said first antenna; a first active tuning element associated with said first parasitic element, said first active tuning element adapted to vary a current mode about said first parasitic element for actively steering a radiation pattern associated with said first antenna element; a second parasitic element positioned within said antenna volume; and a second active tuning element associated with said second parasitic element;
said second active tuning element adapted to vary a reactive coupling between said first antenna element and said second parasitic element for actively tuning a frequency characteristic associated with said first antenna element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of reusing space of a portable electronic device to form a modal antenna, comprising:
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providing a battery assembly having an modal antenna integrated therewith, and configuring a portable electronic device to receive said battery.
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Specification