Ultra wideband antenna having frequency selectivity
First Claim
1. An electromagnetic antenna apparatus;
- the apparatus exhibiting a generally continuous signal response between a first frequency and a second frequency;
the apparatus exhibiting a deviation from said signal response in a frequency region centered substantially at a selected frequency between said first frequency and said second frequency;
the apparatus comprising;
(a) a substantially planar substantially plate-like antenna transceiving element having a periphery;
(b) a feed structure;
said feed structure being coupled with said antenna transceiving element for communicating transceiving signals with said antenna transceiving element; and
(c) a discontinuity structure in said periphery;
said discontinuity structure being connected with said feed structure;
said discontinuity structure being configured for effecting return of selected said transceiving signals to said feed structure as return signals;
said return signals effecting said deviation.
3 Assignments
0 Petitions
Accused Products
Abstract
An electromagnetic antenna apparatus exhibits a generally continuous signal response between a first frequency and a second frequency, and further exhibits a deviation from the signal response in a frequency region centered substantially at a selected frequency between the first frequency and the second frequency. The apparatus includes: (a) an antenna transceiving element; (b) a feed structure coupled with the antenna receiving element for communicating transceiving signals with the antenna transceiving element; and (c) a discontinuity structure in the antenna transceiving element coupled with the feed structure. The discontinuity structure is configured for effecting return of selected transceiving signals to the feed structure as return signals. The return signals effect the deviation.
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Citations
22 Claims
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1. An electromagnetic antenna apparatus;
- the apparatus exhibiting a generally continuous signal response between a first frequency and a second frequency;
the apparatus exhibiting a deviation from said signal response in a frequency region centered substantially at a selected frequency between said first frequency and said second frequency;
the apparatus comprising;(a) a substantially planar substantially plate-like antenna transceiving element having a periphery;
(b) a feed structure;
said feed structure being coupled with said antenna transceiving element for communicating transceiving signals with said antenna transceiving element; and
(c) a discontinuity structure in said periphery;
said discontinuity structure being connected with said feed structure;
said discontinuity structure being configured for effecting return of selected said transceiving signals to said feed structure as return signals;
said return signals effecting said deviation.- View Dependent Claims (2, 3, 4, 5, 6, 7)
- the apparatus exhibiting a generally continuous signal response between a first frequency and a second frequency;
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8. An electromagnetic antenna apparatus;
- the apparatus exhibiting a generally continuous signal response between a first frequency and a second frequency;
the apparatus exhibiting a deviation from said signal response in a frequency region centered substantially at a selected frequency between said first frequency and said second frequency;
the apparatus comprising;(a) at least one substantially planar substantially plate-like antenna transceiving element having a periphery;
(b) a feed structure for each respective antenna transceiving element of said at least one antenna transceiving element;
transceiving signals being communicated with each said respective antenna transceiving element via a respective said feed structure;
(c) a discontinuity structure in said periphery of at least one selected antenna transceiving element of said at least one antenna transceiving element;
said discontinuity structure being connected with said respective feed structure for said at least one selected selected antenna transceiving element;
said discontinuity structure being configured for effecting return of selected said transceiving signals to said respective feed structure as return signals;
said return signals effecting said deviation.- View Dependent Claims (9, 10, 11, 12, 13, 14)
- the apparatus exhibiting a generally continuous signal response between a first frequency and a second frequency;
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15. An antenna apparatus for transceiving electromagnetic signals;
- the apparatus exhibiting a generally continuous signal response between a first frequency and a second frequency;
the apparatus exhibiting a deviation from said signal response in at least one frequency region;
each respective frequency region of said at least one frequency region being centered substantially at a respective selected frequency between said first frequency and said second frequency;
the apparatus comprising;(a) at least one substantially planar substantially plate-like transceiving element having a periphery;
(b) at least one feed structure;
each respective said at least one transceiving element transferring said electromagnetic signals via a respective feed structure of said at least one feed structure;
(c) at least one selected transceiving element of said at least one transceiving element including a discontinuity structure in said periphery;
said discontinuity structure being connected with said respective feed structure for effecting return of selected said transceiving signals to said respective feed structure as return signals;
said return signals effecting said deviation.- View Dependent Claims (16, 17, 18, 19)
- the apparatus exhibiting a generally continuous signal response between a first frequency and a second frequency;
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20. An electromagnetic antenna apparatus;
- the apparatus exhibiting a generally continuous signal response between a first frequency and a second frequency;
the apparatus exhibiting a deviation from said signal response in a frequency region centered substantially at a selected frequency between said first frequency and said second frequency;
the apparatus comprising;(a) a substantially planar antenna transceiving element;
(b) a feed structure;
said feed structure being coupled with said antenna transceiving element for communicating transceiving signals with said antenna transceiving element; and
(c) a discontinuity structure in said antenna transceiving element;
said discontinuity structure being connected with said feed structure;
said discontinuity structure being configured for effecting return of selected said transceiving signals to said feed structure as return signals;
said return signals effecting said deviation;
said antenna transceiving element having a polygonal shape defined by a periphery;
said discontinuity structure including a first deviation structure interrupting said periphery at a first deviation locus displaced a first peripheral distance in a first direction along said periphery from said feed structure;
said first deviation structure extending to a first return distance from said first deviation locus toward said feed structure;
said first return distance being sufficient to establish signal coupling between said first deviation structure and said feed structure;
said first peripheral distance plus said first return distance substantially approximating one-half said selected wavelength.
- the apparatus exhibiting a generally continuous signal response between a first frequency and a second frequency;
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21. An electromagnetic antenna apparatus;
- the apparatus exhibiting a generally continuous signal response between a first frequency and a second frequency;
the apparatus exhibiting a deviation from said signal response in a frequency region centered substantially at a selected frequency between said first frequency and said second frequency;
the apparatus comprising;(a) at least one substantially planar antenna transceiving element;
(b) a feed structure for each respective antenna transceiving element of said at least one antenna transceiving element;
transceiving signals being communicated with each said respective antenna transceiving element via a respective said feed structure;
(c) a discontinuity structure in at least one selected antenna transceiving element of said respective antenna transceiving element;
said discontinuity structure being connected with said respective feed structure for said at least one selected antenna transceiving element;
said discontinuity structure being configured for effecting return of selected said transceiving signals to said respective feed structure as return signals;
said return signals effecting said deviation;
said at least one selected antenna transceiving element having a polygonal shape defined by a periphery;
said discontinuity structure including a first deviation structure interrupting said periphery at a first deviation locus displaced a first peripheral distance in a first direction along said periphery from said respective feed structure;
said first deviation structure extending to a first return distance from said first deviation locus toward said respective feed structure;
said first return distance being sufficient to establish signal coupling between said first deviation structure and said respective feed structure;
said selected frequency having a selected wavelength;
said first peripheral distance plus said first return distance substantially approximating one-half said selected wavelength.
- the apparatus exhibiting a generally continuous signal response between a first frequency and a second frequency;
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22. An antenna apparatus for transceiving electromagnetic signals;
- the apparatus exhibiting a generally continuous signal response between a first frequency and a second frequency;
the apparatus exhibiting a deviation from said signal response in at least one frequency region;
each respective frequency region of said at least one frequency region being centered substantially at a respective selected frequency between said first frequency and said second frequency;
the apparatus comprising;(a) at least one substantially planar transceiving element;
(b) at least one feed structure;
each respective said at least one transceiving element transferring said electromagnetic signals via a respective feed structure of said at least one feed structure;
(c) at least one selected transceiving element of said at least one transceiving element including a discontinuity structure;
said discontinuity structure being connected with said respective feed structure for effecting return of selected said transceiving signals to said respective feed structure as return signals;
said return signals effecting said deviation;
said at least one selected transceiving element having a polygonal shape defined by a periphery;
said polygonal shape being generally symmetric about an axis;
said axis intersecting said respective feed structure;
said discontinuity structure comprising a plurality of material free zones in said polygonal shape;
said plurality of material free zones being arranged substantially symmetrically with respect to said axis;
each respective material free zone interrupting said periphery at a respective deviation locus displaced a respective deviation distance along said periphery from said respective feed structure;
each said respective material free zone extending a respective return distance from said respective deviation locus toward said respective feed structure;
said respective return distance being sufficient to establish signal coupling between said respective deviation structure and said respective feed structure;
each said respective selected frequency having a respective selected wavelength;
said respective peripheral distance plus said respective return distance substantially approximating one-half of a respective selected wavelength.
- the apparatus exhibiting a generally continuous signal response between a first frequency and a second frequency;
Specification