Radio frequency jammer
First Claim
Patent Images
1. A radio frequency jamming device comprising:
- an electromagnetic radiating device comprising an antenna; and
an electronics unit, said electronics unit comprising;
one or more analog radio frequency modulator cards, each of said cards comprising one or more Voltage Controlled Oscillators, one or more power amplifiers and a combiner; and
at least one processor card, said processor card comprising a processor and a Gaussian noise generator;
wherein an output from said electronics unit is electrically connected to said electromagnetic radiating device.
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Abstract
A method and apparatus for broadcasting electromagnetic waves such that user-selected electromagnetic receivers are prevented from receiving an intended electromagnetic communication. Such device can be used to jam detonation of remote controlled explosive devices. The device can be portable or stationary, is preferably programmable, is low cost, and can be used by untrained personnel.
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Citations
23 Claims
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1. A radio frequency jamming device comprising:
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an electromagnetic radiating device comprising an antenna; and
an electronics unit, said electronics unit comprising;
one or more analog radio frequency modulator cards, each of said cards comprising one or more Voltage Controlled Oscillators, one or more power amplifiers and a combiner; and
at least one processor card, said processor card comprising a processor and a Gaussian noise generator;
wherein an output from said electronics unit is electrically connected to said electromagnetic radiating device. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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2. (canceled)
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15. A method for preventing the detonation of a radio frequency controlled explosive device, the method comprising the steps of:
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selecting a frequency range, said range comprising the operating frequency of a receiver of the explosive device, and transmitting electromagnetic radiation comprising Gaussian noise at desired frequencies within the selected frequency range, the radiation having a power of at least 10 watts. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
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Specification