System and method for suppressing radio frequency transmissions

• US 8,502,726 B2
• Filed: 06/04/2012
• Issued: 08/06/2013
• Est. Priority Date: 09/17/2004
• Status: Expired due to Fees

• Current Assignee: Pegasus Global Strategic Solutions LLC (Pegasus Global Holdings, Inc.)
• Original Assignee: Pegasus Global Strategic Solutions LLC (Pegasus Global Holdings, Inc.)
• Inventors: Brumley, Robert Haywood II, Reedy, Michael J., Brumley, Robert Haywood III
• Primary Examiner(s): Sotomayor, John B
• Application Number:
  US13/487,603
• Publication Number:
  US 20120242527A1
• Time in Patent Office: 428 Days
• Field of Search: 342 13- 19, 455/1
• US Class Current: 342/14
• CPC Class Codes: G01S 7/38 Jamming means, e.g. producing false echoes
• CPC Class Codes: H04K 2203/16 for telephony
• CPC Class Codes: H04K 2203/24 for communication related to weapons
• CPC Class Codes: H04K 3/92 related to allowing or preventing remote control

Abstract

A system and method for suppressing radio frequency (“RF”) transmissions includes a transmitter for transmitting electronic signals that suppresses (e.g., prevents, disrupts, jams, interferes with or otherwise disables) RF transmissions. Some embodiments of the invention include a transmitter that suppresses one or more signals transmitted from a target transmitter in an RF transmission system to a target receiver in a wireless device operating in the RF transmission system to prevent, disrupt, jam, interfere with or otherwise disable an RF transmission between the target transmitter and the target receiver in the wireless device (i.e., target wireless device). These systems and methods may be used to interrupt communication, command and control of non-friendly combatant. These systems and methods may also be used to suppress RF transmissions to prevent the detonation of improvised explosive devices, or IEDs.

Claims

1. A system for scalable suppression of radio frequency transmissions within different volumes of influence that vary based on different removable mounting configurations of a transmitter unit, the system comprising:

a transmitter unit that generates suppressing signals within one or more predetermined frequency bands, the transmitter unit comprising;

a power source port that enables a first external power source to be connected to the transmitter unit in a first mounted configuration and a second external power source to be connected to the transmitter unit in a second mounted configuration, the first external power source providing a first power level to the transmitter unit and the second external power source providing a second power level different than the first power level to the transmitter unit;

an antenna port that enables a first antenna to be connected to the transmitter unit in the first mounted configuration and a second antenna to be connected to the transmitter unit in the second mounted configuration, the first antenna receiving the suppressing signals from the transmitter unit and broadcasting the suppressing signals to a first volume of influence surrounding the first antenna based on the first power level and the second antenna receiving the suppressing signals from the transmitter unit and broadcasting the suppressing signals to a second volume of influence surrounding the second antenna based on the second power level, the first volume of influence different than the second volume of influence.

2. The system of claim 1, the transmitter unit further comprising a display port that enables a display to be connected to the transmitter unit, the display indicating a status of the transmitter unit.

3. The system of claim 2, wherein the status of the transmitter unit comprises at least one of a power on/off status, a transmitter on/off status, a power level at which the suppressing signal is being transmitted, a fault status, or a high temperature status.

4. The system of claim 2, wherein the display is mounted to a vehicle so as to be observable from a cockpit of the vehicle.

5. The system of claim 4, wherein the first external power source is recharged by the operation of an engine that propels the vehicle.

6. The system of claim 4, wherein the vehicle comprises a military vehicle.

7. The system of claim 4, wherein the vehicle comprises an armored civilian vehicle.

8. The system of claim 4, wherein the first antenna is mounted to the roof of the vehicle in the first mounted configuration such that the roof of the vehicle acts as a ground plane and signal reflector for the first antenna.

9. The system of claim 2, wherein the display is removably connected to the transmitter unit.

10. The system of claim 1, wherein the first mounted configuration comprises a mounting of the transmitter unit to a vehicle.

11. The system of claim 10, wherein the first external power supply comprises a power system of the vehicle.

12. The system of claim 10, wherein the second mounted configuration comprises a mounting of the transmitter unit to body armor that is configured to be worn by a user of the system.

13. The system of claim 12, wherein the power source port enables a third external power source to be connected to the transmitter unit in a third mounted configuration, the third external power source providing a third power level to the transmitter unit that is different than the first power level and the second power level, and

wherein the antenna port enables a third antenna to be connected to the transmitter unit in a third mounted configuration, the third antenna receiving the suppressing signals from the transmitter unit and broadcasting the suppressing signals to a third volume of influence surrounding the third antenna based on the third power level, the third volume of influence different than the first volume of influence and the second volume of influence.

14. The system of claim 13, wherein the third mounted configuration comprises a mounting of the transmitter unit to a stationary structure.

15. The system of claim 14, wherein the third external power source comprises an alternating current of the stationary structure.

16. The system of claim 10, wherein the second mounted configuration comprises a mounting of the transmitter unit to a stationary structure.

17. The system of claim 16, wherein the third external power source comprises an alternating current of the stationary structure.

18. The system of claim 1, wherein the first antenna comprises an omni-directional antenna.

19. The system of claim 1, wherein the first antenna comprises a directional antenna.

20. The system of claim 1, wherein the transmitter unit is controlled to to generate the suppression signals at a signal strength that will provide a volume of influence large enough to inhibit radio frequency transmissions to an explosive device when the antenna is inside of a kill zone of the explosive device.

21. The system of claim 1, wherein the transmitter unit further comprises an outer case, the outer case being ruggedized and sealed.

22. The system of claim 21, wherein the transmitter unit further comprises an external bus provided on the outer case, the external bus enabling the first antenna and the first external power source to be removably connected from the transmitter unit.

23. The system of claim 22, wherein the transmitter unit further comprises a display provided on the external bus, the display indicating a status of the transmitter.

24. The system of claim 22, further comprising a display that indicates a status of the transmitter unit, the display being removably connected to the transmitter unit at the external bus.

25. The system of claim 1, wherein the second mounting configuration comprises a mounting of the transmitter unit to body armor that is configured to be worn by a user of the system, wherein the second mounting configuration facilitates transport of the transmitter by the user.

26. The system of claim 25, the transmitter unit further comprising a mounting member that mounts the transmitter unit to the body armor.

27. The system of claim 26, wherein the transmitter unit is configured to be mounted on the body armor via a mounting member of the body armor.

28. The system of claim 27, further comprising an antenna mounting member, separate from the mounting member, that mounts the second antenna to the body armor.

29. The system of claim 28, wherein the antenna mounting member mounts the second antenna to a first piece of body armor and the mounting member mounts at least one other component of the transmitter unit to a second piece of body armor.

30. The system of claim 29, wherein the first piece of body armor comprises a helmet and the second piece of body armor comprises a protective vest.

31. The system of claim 26, wherein the body armor comprises a protective vest.

32. The system of claim 26, wherein the transmitter unit is controlled to generate the suppression signals at signal strengths that will provide a volume of influence large enough to inhibit radio frequency transmissions to an explosive device when the transmitter is inside of a kill zone of the explosive device.

33. A system for suppressing radio frequency transmissions, the system comprising:

a ruggedized case comprising a removable mount that enables the ruggedized case to be removably mounted on a mobile platform;

a transmitter operable to generate a suppressing signal within at least one predetermined frequency band, the transmitter being removably housed within the ruggedized case during operation such that the ruggedized case provides impact protection for the transmitter during operation;

an antenna port disposed on the ruggedized case that enables an antenna mounted on the mobile platform to be removably connected to the transmitter, the antenna being operable, in response to, receiving the suppressing signal from the transmitter, to broadcast the suppressing signal to a volume of influence surrounding the antenna to suppress radio frequency transmissions within a volume of influence surrounding the antenna; and

a power source port disposed on the ruggedized case that enables a power source mounted on the mobile platform to be removably connected to the transmitter, the power source providing power to the transmitter;

wherein the removable connections between the transmitter and each of the antenna and the power source, and the removable mount of the ruggedized case enables the ruggedized case and the transmitter to be dismounted and removed from the mobile platform without dismounting and removing the antenna and the power source from the mobile platform.

34. A system for suppressing radio frequency transmissions, the system comprising:

an antenna;

a transmitter that generates a suppressing signal within at least one predetermined frequency band at a signal strength, the suppressing signal being broadcast from the transmitter to a volume of influence surrounding the antenna that corresponds to the signal strength, the suppressing signal having the effect of suppressing radio frequency transmissions within a volume of influence surrounding the antenna; and

a mounting member that mounts the transmitter to a mobile platform, wherein the transmitter is controlled to generate the suppressing signal at a signal strength determined based at least in part on a speed of the mobile platform.

35. A system for screening potentially hostile parties, the system comprising:

an antenna;

a transmitter that generates a suppressing signal within at least one predetermined frequency band, the suppressing signal being broadcast from the transmitter to a volume of influence surrounding the antenna, the suppressing signal having the effect of suppressing radio frequency transmissions within a volume of influence surrounding the antenna; and

a screening module that screens potentially hostile parties for explosives, wherein the transmitter and the screening module are arranged such that the screening module is positioned within the volume of influence during operation to inhibit an explosive device from being remotely detonated while the screening module is being used to search for explosives, and wherein the transmitter and the screening module are configured and operated such that the effectiveness of the transmitter is not substantially impeded by the screening module and the effectiveness of the screening module is not substantially impeded by the transmitter.

36. A system for suppressing radio frequency transmissions, the system comprising:

a transmitter comprising an antenna, wherein the transmitter concomitantly generates suppressing signals within two or more predetermined frequency bands that are discrete and separate from each other, the suppressing signals being concomitantly broadcast from the transmitter to a volume of influence surrounding the antenna, the suppressing signals having the effect of suppressing radio frequency transmissions within a volume of influence surrounding the antenna; and

a mounting member that mounts the transmitter to body armor that is worn by a user of the system, wherein mounting the transmitter to the body armor of the user facilitates transport of the transmitter by the user.

37. A system for screening potentially hostile parties, the system comprising:

an antenna;

a transmitter that concomitantly generates suppressing signals within two or more predetermined frequency bands that are discrete and separate from each other, the suppressing signals being broadcast from the transmitter to a volume of influence surrounding the antenna, the suppressing signals having the effect of suppressing radio frequency transmissions within a volume of influence surrounding the antenna; and

a screening module that screens potentially hostile parties for explosives, wherein the transmitter and the screening module are arranged such that the screening module is positioned within the volume of influence during operation to inhibit an explosive device from being remotely detonated while the screening module is being used to search for explosives, and wherein the transmitter and the screening module are configured and operated such that the effectiveness of the transmitter is not substantially impeded by the screening module and the effectiveness of the screening module is not substantially impeded by the transmitter.