Multilevel antennae
First Claim
1. An apparatus comprising:
- an internal antenna element having a multi-band behavior, the antenna element being concealed within the apparatus and configured to operate in at least first and second non-overlapping frequency bands, the internal antenna element comprising a plurality of geometric elements, wherein;
not all of the plurality of geometric elements have the same size;
each of the plurality of geometric elements is electromagnetically coupled to at least one other of the plurality of geometric elements either directly through at least one point of contact or through a small separation providing coupling;
each of the plurality of geometric elements has the same number of sides, the perimeter of the antenna element having a different number of sides than each of the plurality of geometric elements;
a first set of the plurality of geometric elements has an area of a first size configured to operate at the first frequency band, a second set of the plurality of geometric elements has an area of a second size configured to operate at the second frequency band, the second set of geometric elements residing substantially within the first set of geometric elements;
the first and second sets of geometric elements define empty spaces in the antenna element to provide a first winding current path within the first set of geometric elements and a second winding current path within the second set of geometric elements;
the antenna element provides a substantially similar impedance level and radiation pattern in the at least the first and second frequency bands;
the plurality of geometric elements is arranged such that the antenna element does not comprise a group of single band antennas that respectively operate in the at least first and second frequency bands; and
a geometry of the antenna element is not substantially self-repeating.
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Accused Products
Abstract
A multi-band antenna includes at least one structure useable at multiple frequency ranges. The structure includes at least two levels of detail, with one level of detail making up another level of detail. The levels of detail are composed of closed plane figures bounded by the same number of sides. An interconnection circuit links the multi-band antenna to an input/output connector and incorporates adaptation networks, filters or diplexers. Each of the closed plane figures is linked to at least one other closed plane figure to exchange electromagnetic power. For at least 75% of the closed plane figures, the region or area of contact, intersection, or interconnection between the closed plane figures is less than 50% of their perimeter or area. Not all of the closed plane figures have the same size, and the perimeter of the structure has a different number of sides than its constituent closed plane figures.
433 Citations
20 Claims
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1. An apparatus comprising:
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an internal antenna element having a multi-band behavior, the antenna element being concealed within the apparatus and configured to operate in at least first and second non-overlapping frequency bands, the internal antenna element comprising a plurality of geometric elements, wherein; not all of the plurality of geometric elements have the same size; each of the plurality of geometric elements is electromagnetically coupled to at least one other of the plurality of geometric elements either directly through at least one point of contact or through a small separation providing coupling; each of the plurality of geometric elements has the same number of sides, the perimeter of the antenna element having a different number of sides than each of the plurality of geometric elements; a first set of the plurality of geometric elements has an area of a first size configured to operate at the first frequency band, a second set of the plurality of geometric elements has an area of a second size configured to operate at the second frequency band, the second set of geometric elements residing substantially within the first set of geometric elements; the first and second sets of geometric elements define empty spaces in the antenna element to provide a first winding current path within the first set of geometric elements and a second winding current path within the second set of geometric elements; the antenna element provides a substantially similar impedance level and radiation pattern in the at least the first and second frequency bands; the plurality of geometric elements is arranged such that the antenna element does not comprise a group of single band antennas that respectively operate in the at least first and second frequency bands; and a geometry of the antenna element is not substantially self-repeating. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An apparatus comprising:
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an antenna having a multi-band behavior, the antenna being concealed within a portable communication device and configured to operate in at least first and second non-overlapping frequency bands, the antenna comprising an antenna element comprising a plurality of geometric elements, wherein; not all of the plurality of geometric elements have the same size; each of the plurality of geometric elements has the same number of sides, the antenna element having a different number of sides than each of the plurality of geometric elements; each of the plurality of geometric elements is electromagnetically coupled to at least one other of the plurality of geometric elements either directly through at least one point of contact or through a small separation providing coupling; for at least 50% of the plurality of geometric elements, the region of contact between the geometric elements is less than 50% of the perimeter of the geometric elements; the antenna element provides a substantially similar impedance level and radiation pattern in the at least first and second non-overlapping frequency bands; the plurality of geometric elements is arranged such that the antenna element does not comprise a group of single band antennas that respectively operate in the at least first and second non-overlapping frequency bands; and wherein a geometry of the antenna element is not substantially self-repeating. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification