SPACE-FILLING MINIATURE ANTENNAS
First Claim
Patent Images
1. An apparatus comprising:
- an antenna in which at least one portion of the antenna is shaped as a substantially non-periodic curve;
wherein the antenna radiates at multiple different operating wavelengths; and
wherein at least one of the operating wavelengths corresponds to an operating wavelength of a cellular telephone system.
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Abstract
A novel geometry, the geometry of Space-Filling Curves (SFC) is defined in the present invention and it is used to shape a part of an antenna. By means of this novel technique, the size of the antenna can be reduced with respect to prior art, or alternatively, given a fixed size the antenna can operate at a lower frequency with respect to a conventional antenna of the same size.
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Citations
21 Claims
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1. An apparatus comprising:
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an antenna in which at least one portion of the antenna is shaped as a substantially non-periodic curve; wherein the antenna radiates at multiple different operating wavelengths; and wherein at least one of the operating wavelengths corresponds to an operating wavelength of a cellular telephone system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An antenna, comprising:
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a radiating element at least a portion of which is defined by a multi-segment curve, each of said segments being spatially arranged such that no two adjacent and connected segments form another longer straight segment and none of said segments intersects with another segment other than at the beginning and at the end of said multi-segment, irregular curve to form a closed loop; wherein the antenna radiates at multiple different operating wavelengths; and wherein at least one of the operating wavelengths corresponds to an operating wavelength of a cellular telephone system. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. An apparatus, comprising:
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an antenna in which at least one portion of the antenna is shaped as a substantially non-periodic curve; wherein said non-periodic curve is shaped so that an arrangement of a portion of said non-periodic curve includes a set of multiple bends that are not self-similar with respect to the entire curve, and said portion of said curve has a physical length larger than that of any straight line that can be fitted in the same area in which said portion of the curve can be arranged; wherein the antenna radiates at multiple different operating wavelengths; and wherein at least one of the operating wavelengths corresponds to an operating wavelength of a cellular telephone system. - View Dependent Claims (18, 19, 20, 21)
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Specification