IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0504293
(2009-07-16)
|
등록번호 |
US-8903669
(2014-12-02)
|
발명자
/ 주소 |
- Holly, Sandor
- Harrington, Donald Elliot
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
47 |
초록
▼
A method and apparatus for detecting an object. A first collimated beam having a first frequency and a second collimated beam having a second frequency is transmitted. At least one of the first frequency and the second frequency is changed through a range of frequencies and a power level for at leas
A method and apparatus for detecting an object. A first collimated beam having a first frequency and a second collimated beam having a second frequency is transmitted. At least one of the first frequency and the second frequency is changed through a range of frequencies and a power level for at least one of the first collimated beam and the second collimated beam is changed through a range of power levels. A range of fundamental difference frequency signals for each power level in the range of power levels are monitored for, in response to transmitting the first collimated beam and the second collimated beam using the range of frequencies and the range of power levels. The range of fundamental difference frequency signals is generated by the object having non-linear electrical characteristics in response to receiving the first collimated beam and the second collimated beam.
대표청구항
▼
1. An apparatus comprising: a transmitter system capable of transmitting a first collimated beam having a first frequency and a second collimated beam having a second frequency;a target profile database;a receiver system capable of monitoring for a fundamental difference frequency signal having a di
1. An apparatus comprising: a transmitter system capable of transmitting a first collimated beam having a first frequency and a second collimated beam having a second frequency;a target profile database;a receiver system capable of monitoring for a fundamental difference frequency signal having a difference frequency equal to a difference between the first frequency and the second frequency, wherein the fundamental difference frequency signal is generated by an object having non-linear electrical characteristics in response to receiving the first collimated beam and the second collimated beam; anda processor unit connected to the transmitter system and the receiver system, wherein the processor unit is capable of controlling an operation of the transmitter system and the receiver system to change at least one of the first frequency and the second frequency through a range of frequencies; change a power level of at least one of the first collimated beam and the second collimated beam through a range of power levels; detect a range of fundamental difference frequency signals for each power level in the range of power levels in response to the transmitter system transmitting the first collimated beam and the second collimated beam using the range of frequencies and the range of power levels; compare the fundamental difference frequency signal to the target profile database, and responsive to comparing the fundamental difference signal to the target profile database, determine whether the difference frequency matches an object in the target profile database; responsive to determining that the difference frequency matches a difference frequency in the target profile database, identifying an object corresponding to the difference frequency in the target profile database; responsive to identifying the object, select another power level for the first collimated beam and the second collimated beam, the another power level being selected to damage the object; and transmit at the object the first collimated beam and the second collimated beam at the another power level. 2. The apparatus of claim 1, wherein the range of fundamental difference frequency signals detected for the each power level in the range of power levels forms a response, and wherein the processor unit is capable of identifying the object using the response. 3. The apparatus of claim 1, wherein the receiver system is further capable of monitoring for a number of harmonics of the fundamental difference frequency signal, each of which is a harmonic of the fundamental difference frequency signal in which the number of harmonics of the fundamental difference frequency signal is generated by the object having non-linear electrical characteristics in response to receiving the first collimated beam and the second collimated beam, and wherein the processor unit is further capable of controlling operation of the transmitter system and the receiver system to detect a range of the number of harmonics of the fundamental difference frequency signals for the each power level in the range of power levels in response to the transmitter system transmitting the first collimated beam and the second collimated beam using the range of frequencies. 4. The apparatus of claim 1, wherein the first collimated beam and the second collimated beam are combined into a single beam. 5. The apparatus of claim 1, wherein the receiver system comprises a plurality of channels, wherein the plurality of channels is capable of detecting the fundamental difference frequency signal and a number of harmonics of the fundamental difference frequency signal. 6. The apparatus of claim 1, wherein the object is at a location and is selected from one of under a ground, on the ground, in a structure, and on a person. 7. The apparatus of claim 1, wherein the first collimated beam is a first linearly polarized collimated light beam and the second collimated beam is a second linearly polarized collimated light beam. 8. The apparatus of claim 1 further comprising: a platform, wherein the transmitter system, the receiver system, and the processor unit are associated with the platform. 9. The apparatus of claim 1 wherein the processor unit is further capable of controlling an operation of the transmitter system and the receiver system to determine whether the object is damaged after transmitting at the object the first collimated beam and the second collimated beam at the another power level. 10. The apparatus of claim 1 wherein the another power level is in the range of power levels. 11. The apparatus of claim 1 wherein the another power level is outside the range of power levels. 12. The apparatus of claim 1 wherein damage includes at least one of causing the object to become inoperable, causing the object to explode, and causing the object to have less functionality. 13. The apparatus of claim 1 wherein the object is related to an explosive device. 14. The apparatus of claim 1 wherein the object comprises an electronic device. 15. The apparatus of claim 2, wherein the range of fundamental difference frequency signals and a range of the number of harmonics of the fundamental difference frequency signals for the each power level in the range of power levels form the response, and wherein the processor unit is capable of identifying the object using the response. 16. The apparatus of claim 2, wherein the processor unit is capable of comparing the response to a plurality of profiles of known objects. 17. The apparatus of claim 8, wherein the platform is selected from one of a mobile platform, a stationary platform, a land-based structure, an aquatic-based structure, a space-based structure, an aircraft, a surface ship, a tank, a personnel carrier, a train, a spacecraft, a space station, a satellite, a submarine, an automobile, a portable housing, and a building. 18. The apparatus of claim 9 wherein the processor unit is further capable of controlling an operation of the transmitter system and the receiver system to, responsive to the object being undamaged, select a new power level for the first collimated beam and the second collimated beam, the new power level being higher than the another power level, and also to transmit at the object the first collimated beam and the second collimated beam at the new power level. 19. The apparatus of claim 9 wherein the processor unit is further capable of controlling an operation of the transmitter system and the receiver system to, responsive to the object being undamaged, select a first new frequency for the first collimated beam and a second new frequency for the second collimated beam, and also to transmit at the object the first collimated beam and the second collimated beam at the new first frequency and the new second frequency. 20. The apparatus of claim 9 wherein the processor unit is further capable of controlling an operation of the transmitter system and the receiver system to, responsive to the object being undamaged, select a new power level for the first collimated beam and the second collimated beam, select a new first frequency for the first collimated beam, select a new second frequency for the second collimated beam, the new power level being higher than the another power level, and also to transmit at the object the first collimated beam and the second collimated beam at the new power level and at the new first frequency and the new second frequency.
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