IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0021711
(2011-02-04)
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등록번호 |
US-8599011
(2013-12-03)
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발명자
/ 주소 |
- Schantz, Hans Gregory
- Meares, Michael Jason
- Werner, Stephen A.
- Unden, Alfred Hans
- Della Silva, Clark David
- Kang, Jason Kai Siang
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
4 인용 특허 :
33 |
초록
▼
The present application describes firefighter location and rescue equipment (FLARE) comprising: a plurality of tag transmitters, a first tag transmitter of said plurality of tag transmitters emitting a first signal, a plurality of locator-receivers receiving said first signal, each of said plurality
The present application describes firefighter location and rescue equipment (FLARE) comprising: a plurality of tag transmitters, a first tag transmitter of said plurality of tag transmitters emitting a first signal, a plurality of locator-receivers receiving said first signal, each of said plurality of locator receivers determining a first set of signal characteristic data for said first signal, a computer compiling said first set of signal characteristic data in a reference database along with an associated path variable, a second tag transmitter of said plurality of tag transmitters emitting a second signal, a plurality of locator-receivers receiving said second signal, each of said plurality of locator receivers determining a second set of signal characteristic data for said second signal, said computer comparing said second set of signal characteristic data to the reference database, said computer displaying said comparison for evaluating the location of said second tag transmitter relative to a path taken by said first tag transmitter.
대표청구항
▼
1. A rescue system comprising: at least one mobile tag to be carried by a person potentially in need of rescue;one or more fixed devices, each of said one or more fixed devices in radio frequency communication with said at least one mobile tag;said rescue system configured for determining mobile tag
1. A rescue system comprising: at least one mobile tag to be carried by a person potentially in need of rescue;one or more fixed devices, each of said one or more fixed devices in radio frequency communication with said at least one mobile tag;said rescue system configured for determining mobile tag signal property measurements indicative of electromagnetic propagation between said at least one mobile tag and said one or more fixed devices;said rescue system further comprising a database, said rescue system configured for storing said mobile tag signal property measurements in said database in association with a path variable indicative of a path taken by said at least one mobile tag;said rescue system further comprising a rescue tag to be carried by a rescuer;each of said one or more fixed devices in radio frequency communication with said rescue tag;said rescue system configured for determining rescue tag signal property measurements indicative of electromagnetic propagation between said rescue tag and said one or more fixed devices;said rescue system configured for comparing said rescue tag signal property measurements with said mobile tag signal property measurements from said database to determine a comparison data set indicating a relative position of said rescue tag to said path taken by said at least one mobile tag. 2. The rescue system of claim 1, wherein said at least one mobile tag comprises a transmitter tag. 3. The rescue system of claim 1, wherein said at least one mobile tag comprises a receiver tag. 4. The rescue system of claim 1, wherein the path variable comprises time elapsed or distance traveled. 5. The rescue system of claim 1, further including a comparison display indicative of said comparison data set. 6. The rescue system of claim 5, wherein the comparison display comprises a graph of comparison values within said comparison data set as a function of said path variable. 7. The rescue system of claim 5, wherein the comparison display comprises a color bar display of comparison values within said comparison data set as a function of said path variable. 8. The rescue system of claim 7, wherein the color bar display comprises a gray scale display. 9. The rescue system of claim 1, further including an audio indicator configured to issue an audio indication responsive to said comparison data set. 10. The rescue system of claim 1, wherein said rescue system is configured to utilize a comparison of two signal properties of said mobile tag signal property measurements. 11. The rescue system of claim 10, wherein said comparison of two signal properties comprises E-field phase compared with H-field phase or E-field magnitude compared with H-field magnitude. 12. The rescue system of claim 1, further including a command post in radio frequency communication with said at least one mobile tag and said rescue tag, wherein said database is stored at said command post. 13. The rescue system of claim 1, wherein said rescue tag includes a copy of said database and said rescue tag is configured for comparing said database with said rescue signal property measurements to determine said comparison data set. 14. The rescue system of claim 1, wherein said comparison data set is determined using an error vector calculation. 15. A rescue method comprising: providing a person with a mobile tag carried by said person;said person traversing a path in accordance with at least one path variable;providing one or more fixed devices in radio frequency communication with said mobile tag;determining mobile tag signal property measurements and recording said signal property measurements in a database, said signal property measurements recorded in association with a path variable, said path variable indicative of a path taken by said mobile tag, said mobile tag signal property measurements indicative electromagnetic propagation between said mobile tag and said one or more fixed devices;providing a rescuer with a rescue tag carried by said rescuer;said rescuer tag in radio frequency communication with said one or more fixed devices;determining rescue tag signal property measurements, said rescue tag signal property measurements indicative of electromagnetic propagation between said rescue tag and said one or more fixed devices;comparing said rescue tag signal property measurements with said mobile tag signal property measurements from said database to determine a comparison data set indicating a relative position of said rescue tag to said path taken by said at least one mobile tag. 16. The rescue method of claim 15, wherein said mobile tag comprises a transmitter tag. 17. The rescue method of claim 15, wherein said mobile tag comprises a receiver tag. 18. The rescue method of claim 15, wherein the path variable comprises time elapsed or distance traveled. 19. The rescue method of claim 15, wherein said comparing step includes determining said comparison data set using an error vector calculation. 20. The rescue method of claim 19, wherein the error vector calculation is based on a sequence over a path variable interval of a weighted summation over a set of received signals at a particular path variable value of the squared difference between each corresponding mobile tag signal property measurement and rescue tag signal property measurement. 21. The rescue method of claim 15, further including: displaying a graph of the comparison value as a function of path location. 22. The rescue method of claim 15, further including: displaying a color bar wherein the color represents the comparison value as a function of path location. 23. The rescue method of claim 15, further including: generating an audio signal associated with the second transmitter tag indicative of the comparison value. 24. The rescue method of claim 15, further including: intercepting the said path taken by said at least one mobile tag. 25. The rescue method of claim 15, further including: detecting a crossing of the path of the first tag by observing a double peak comparison value response as a function of the path variable. 26. The rescue method of claim 15, further including: short cutting the path of the first transmit tag by following a later peak response of a double peak comparison response. 27. The rescue method of claim 15, further including: sending multiple rescue tags to look for said path taken by said at least one mobile tag.
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