Method and apparatus for directing electromagnetic radiation to distant locations
First Claim
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1. A method of creating an electromagnetic interference field at a distance, comprising:
- transmitting a first electromagnetic beam at a first frequency and in a first direction;
transmitting a second electromagnetic beam at a second frequency and in a second direction, wherein the second frequency is offset from the first frequency to define an interference difference frequency, and the first and second electromagnetic beams interfere at a far field distance corresponding to an intersection of the first and second electromagnetic beams;
collimating the first and second electromagmetic beams in the third direction; and
combining the first and second beam in a third direction.
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Abstract
A method of creating electromagnetic interference includes creating an electromagnetic (EM) field of a frequency at distant target by transmitting at least two electromagnetic beams. At the target, the beams may converge and interfere creating an interference difference frequency. In another method, the beams may be combined and the combined beams create an interference over a distance. An interference difference frequency is selected so that a desired electromagnetic frequency is established at the target creating interference. The interference difference frequency is established by the difference in the two electromagnetic beams. As each converges or is combined, the resultant frequency corresponds to the difference between each the frequencies of each beam. An apparatus for creating electromagnetic radiation includes at least two transmitters. The transmitters permit directing the electromagnetic beams in directions permitting either convergence of the beams or combination of the beams, thus creating electromagnetic interference.
65 Citations
14 Claims
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1. A method of creating an electromagnetic interference field at a distance, comprising:
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transmitting a first electromagnetic beam at a first frequency and in a first direction;
transmitting a second electromagnetic beam at a second frequency and in a second direction, wherein the second frequency is offset from the first frequency to define an interference difference frequency, and the first and second electromagnetic beams interfere at a far field distance corresponding to an intersection of the first and second electromagnetic beams;
collimating the first and second electromagmetic beams in the third direction; and
combining the first and second beam in a third direction. - View Dependent Claims (2, 3, 4, 5)
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6. An apparatus for creating an electromagnetic interference field at a distance, comprising:
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a first transmitter configured to transmit a first electromagnetic beam at a first frequency and in a first direction;
da second transmitter configured to transmit a second electromagnetic beam at a second frequency and in a second direction, wherein the second frequency is offset from the first frequency to define an interference difference frequency, and the first and second transmitters are configured such that the first and second beams interfere at a far field distance corresponding to an intersection of the first and second directions;
a beam combiner for combining the first and second electromagnetic beams; and
a collimator for collimating the combined first and second electromagnetic beams in a third direction. - View Dependent Claims (7, 8, 9, 10, 11)
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12. An apparatus for creating electromagnetic interference, comprising
a frequency reference for providing a reference signal; -
first and second collimating transmitters, each transmitter comprising, a frequency generator, in communication with the frequency reference, and configured to generate a signal at a predetermined frequency based upon the frequency reference;
a collimating antenna, in communication with the frequency generator, for transmitting and collimating an electromagnetic beam in a direction and at the predetermined frequency, wherein the first transmitter provides a first a collimated beam at a first predetermined frequency and in a first direction, the second transmitter provides a second collimated beam at a second predetermined frequency and in a second direction, and the second frequency is offset from the first frequency to define an interference difference frequency, and the first and second transmitters are configured such that the first and second collimated beams interfere at a far field distance corresponding to an intersection of the first and second directions; and
a non-linear electronic element disposed in the intersection for inducing currents at the interference difference frequency.
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13. An apparatus for creating electromagnetic interference, comprising
a frequency reference for providing a reference signal; -
a first transmitter and a second transmitters, each transmitter for transmitting electromagnetic beams having frequencies separated by an interference difference frequency, each transmitter comprising;
a wave form synthesizer, in communication with the frequency reference, and configured to generate a signal at a predetermined frequency based upon the frequency reference; and
an antenna, in communication with the synthesizer, for transmitting an electromagnetic beam in a direction;
a beam combiner for combining the electromagnetic beams; and
a collimator for collimating the combined electromagnetic beams in a direction.
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14. A method of creating an electromagnetic interference field at a distance, comprising:
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transmitting a first electromagnetic beam at a first frequency and in a first direction;
transmitting a second electromagnetic beam at a second frequency and in a second direction, wherein the second frequency is offset from the first frequency to define an interference difference frequency, and the first and second electromagnetic beams interfere at a far field distance corresponding to an intersection of the first and second electromagnetic beams; and
generating interference in a non-linear electronic element in the intersection.
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Specification
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Current AssigneeThe Boeing Co.
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Original AssigneeThe Boeing Co.
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InventorsHolly, Sandor
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Primary Examiner(s)Sotomayor, John B.
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Application NumberUS10/444,510Publication NumberTime in Patent Office655 DaysField of Search342/13, 342/14, 342/52, 342/54, 342/59, 342/118, 342/126, 342/175, 455/1US Class Current342/13CPC Class CodesF41H 13/0068 the high-energy beam being ...F41H 13/0075 the high-energy beam being ...H04K 2203/32 including a particular conf...H04K 3/42 characterized by the contro...H04K 3/43 characterized by the contro...H04K 3/44 characterized by the contro...
