IP Library Granted Patent US 9,709,670
Granted Patent B1
US 9,709,670 · App. 15/259,770 · Granted Jul 18, 2017

System and method for a directable countermeasure with divergent laser

Inventors: Philip Soletsky (Brookline, NH); Jan Stephan Lundquist (Merrimack, NH)
Assignee: Elbit Systems of America, LLC
G01S7/495F41H13/0056
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Quick Facts
Patent No.
US 9,709,670
App. No.
15/259,770
Granted
Jul 18, 2017
Kind
B1
Abstract

A system includes a threat warning system and a countermeasure system. The threat warning system generates threat data that includes at least a threat coordinate value. The countermeasure system includes a wide-angle laser beam director and the infrared counter measure system that is configured to receive the threat data including the threat coordinate value from the threat warning system and causes the beam director to direct a divergent laser beam based on the threat coordinate value and cause the beam director to vary an angle of the cone based on an aircraft signature perceived by a threat.

Claims (33)

1. A system comprising:

a threat warning system to generate threat data, wherein the threat data comprises at least

a threat coordinate value; and

a countermeasure system comprising a wide-angle laser beam director, wherein the

countermeasure system is configured to:

receive the threat data including the threat coordinate value from the threat warning system;

cause the beam director to direct a divergent laser beam based on the threat coordinate value, the divergent laser beam comprising a cone of light; and

cause the beam director to vary an angle of the cone based on an aircraft signature perceived by a threat.

2. The system of claim 1 wherein the angle of the cone of light has a first value if the aircraft signature perceived by the threat is low and a second value if the aircraft signature perceived by the threat is high, wherein the first value is wider than the second value.

3. The system of claim 2 wherein the angle of the cone is based on an angle of approach based on an analysis of the aircraft signature perceived by the threat.

4. The system of claim 3 wherein the first value is not less than seven degrees and the second value is not more than three degrees.

5. The system of claim 1 wherein the countermeasure system does not alter the direction of the beam director after initial direction.

6. The system of claim 1 wherein the angle of the cone of light is in the range of one degree to five degrees.

7. The system of claim 1 wherein the angle of the cone of light in the range of one degree to ten degrees.

8. The system of claim 1 wherein the countermeasure system provides a feedback loop between the beam director and the threat warning system and updates the direction of the beam director based on an updated threat coordinate value received from the threat warning system.

9. A method comprising:

receiving threat data from a threat warning system, wherein the threat data comprises at least a threat coordinate value;

causing a wide-angle laser beam director to direct a divergent laser beam based on the threat coordinate value, the divergent laser beam comprising a cone of light; and

causing the beam director to vary an angle of the cone based on an aircraft signature perceived by a threat.

10. The method of claim 9 wherein the angle of the cone of light has a first value if the aircraft signature perceived by the threat is low and a second value if the aircraft signature perceived by the threat is high, wherein the first value is wider than the second value, and wherein the angle of the cone is based on an angle of approach based on an analysis of the aircraft signature perceived by the threat.

11. The method of claim 10 wherein the first value is not less than seven degrees and the second value is not more than three degrees.

12. The method of claim 9 wherein the angle of the cone of light is in the range of one degree to five degrees.

13. The method of claim 9 wherein the angle of the cone of light in the range of one degree to ten degrees.

14. The method of claim 9 further comprising updating the direction of the beam director as a result of receiving an updated threat coordinate value from the threat warning system.

15. A non-transitory computer-readable medium containing instructions that, when executed by a processor, cause the processor to:

receive threat data from a threat warning system, wherein the threat data comprises at least a threat coordinate value; and

cause a wide-angle laser beam director to direct a divergent laser beam based on the threat coordinate value, the divergent laser beam comprising a cone of light; and

cause the beam director to vary an angle of the cone based on an aircraft signature perceived by a threat.

16. The non-transitory computer-readable medium of claim 15 wherein the angle of the cone of light has a first value if the aircraft signature perceived by the threat is low and a second value if the aircraft signature perceived by the threat is high, wherein the first value is wider than the second value.

17. The non-transitory computer-readable medium of claim 16 wherein the angle of the cone is based on an angle of approach based on an analysis of the aircraft signature perceived by the threat.

18. The non-transitory computer-readable medium of claim 15 wherein the angle of the cone of light is in the range of one degree to five degrees.

19. The non-transitory computer-readable medium of claim 15 wherein the angle of the cone of light is in the range of one degree to ten degrees.

20. The non-transitory computer-readable medium of claim 15 wherein the processor further updates the direction of the beam director as a result of receiving an updated threat coordinate value from the threat warning system.

Assignments (6)
RELEASE OF SECURITY INTEREST Recorded Feb 21, 2024
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: ELBIT SYSTEMS OF AMERICA, LLC; KMC SYSTEMS, INC.
Reel/Frame 066520/0767 →
SECURITY INTEREST Recorded Feb 21, 2024
From: ELBIT SYSTEMS OF AMERICA, LLC; SPARTON CORPORATION; SPARTON DELEON SPRINGS, LLC; LOGOS TECHNOLOGIES LLC; ELBITAMERICA, INC.; KMC SYSTEMS, INC.
To: CAPITAL ONE, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 066642/0935 →
RELEASE OF SECURITY INTEREST Recorded Feb 21, 2024
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: ELBIT SYSTEMS OF AMERICA, LLC
Reel/Frame 066644/0612 →
SECURITY INTEREST Recorded Sep 13, 2019
From: ELBIT SYSTEMS OF AMERICA, LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 050375/0425 →
SECURITY INTEREST Recorded Aug 29, 2017
From: ELBIT SYSTEMS OF AMERICA, LLC; KMC SYSTEMS, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 043439/0953 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 2, 2017
From: SOLETSKY, PHILIP; LUNDQUIST, JAN STEPHAN
To: ELBIT SYSTEMS OF AMERICA LLC
Reel/Frame 042578/0139 →
Continuity (2)
Continuation 14316508 · Jun 26, 2014
Provisional Application 61839700 · Jun 26, 2013