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UAV-mounted dispersant device with electronic triggering mechanism

  • US 10,501,185 B2
  • Filed: 01/13/2017
  • Issued: 12/10/2019
  • Est. Priority Date: 01/13/2017
  • Status: Active Grant
First Claim
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1. An accessory for an unmanned aerial vehicle, the accessory comprising:

  • (a) a baseplate that is configured to be attached to the unmanned aerial vehicle, the unmanned aerial vehicle having landing legs, the baseplate being attached to the landing legs of the unmanned aerial vehicle;

    (b) at least one smoke canister that is removably attached to the baseplate;

    (c) a radio frequency receiver comprising;

    (i) a radio frequency circuit board that is attached to the baseplate; and

    (ii) a radio frequency receiver antenna with a proximal end that is mounted to the radio frequency receiver circuit board and a distal end that is unattached;

    (d) an electric match that is installed within the smoke canister, the smoke canister comprising a threaded top that is configured to secure the electric match within the smoke canister and to removably attach the smoke canister to the baseplate;

    (e) an auxiliary circuit board that is attached to the baseplate and configured to supply electrical current sufficient to activate the electric match;

    (f) at least one battery that is attached to the baseplate and configured to provide an output power source for the radio frequency receiver circuit board and the electric match;

    (g) a first wire pair that is connected to a second wire pair via an electrical connector, wherein the first and second wire pairs supply electrical ignition current from the auxiliary circuit board to the electric match, wherein the second wire pair has an upper terminal end, wherein the second wire pair passes through a central bore of the threaded top of the smoke canister and is connected at the upper terminal end of the second wire pair to the electrical connector, wherein the threaded top of the smoke canister comprises a male threaded portion and a female threaded portion, wherein the male threaded portion of the threaded top of the smoke canister screws into the female threaded portion of the smoke canister, wherein the smoke canister comprises an open central bore, wherein the electric match is positioned within the open central bore of the smoke canister, wherein the smoke canister contains a flammable smoke-producing compound, wherein when the electric match is ignited bypassing an electric current through it, the flammable smoke-producing compound within the smoke canister is ignited by flames produced by the burning electric match, and smoke is emitted downward through the open central bore of the smoke canister, and wherein the electrical connector is situated between the threaded top of the smoke canister and the auxiliary circuit board;

    (h) a protective housing that surrounds the radio frequency receiver circuit board and the battery; and

    (i) a radio frequency transmitter that is in communication with the radio frequency receiver, the radio frequency transmitter comprising a radio frequency transmitter circuit board and at least one switch, wherein the auxiliary circuit board comprises a transistor, and wherein the transistor is configured to send an electric current through the electric match.

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