Title:
RADIOMETER AND OPERATING METHOD THEREOF, AND MONITORING SYSTEM USING SAME
Document Type and Number:
WIPO Patent Application WO/2018/169349
Kind Code:
A1
Abstract:
Disclosed are a radiometer and an operating method thereof, and a monitoring system using the same. The disclosed radiometer according to one embodiment comprises: a first antenna; a second antenna installed to have a radiation pattern, the direction of which differs from that of a radiation pattern of the first antenna; a signal processing unit for detecting a voltage level corresponding to a first radiated radio-wave received by the first antenna and a voltage level corresponding to a second radiated radio-wave received by the second antenna; and a signal analysis unit for detecting a temperature change of a target that the first antenna faces, on the basis of the voltage level corresponding to the first radiated radio-wave and the voltage level corresponding to the second radiated radio-wave. Also, a monitoring method according to one embodiment comprises the steps of: generating an output voltage corresponding to the brightness temperature of an object inside or outside a structure, by each of multiple ultrahigh frequency radiometers arranged to be spaced from one another at predetermined intervals within a set distance from the structure; receiving, by a server, a signal related to the output voltage from each of the multiple ultrahigh frequency radiometers; and determining, by the server, whether the object is a human being or flame, on the basis of a pattern of the signal related to the output voltage of each of the ultrahigh frequency radiometers according to lapse of time.
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Inventors:
PARK JUNG DONG (KR)
Application Number:
PCT/KR2018/003098
Publication Date:
September 20, 2018
Filing Date:
March 16, 2018
Export Citation:
Assignee:
UNIV DONGGUK IND ACAD COOP (KR)
International Classes:
G08B13/18; G01J1/56; G01J5/46; G06F17/10; G08B17/12
Domestic Patent References:
| WO2010076783A1 | 2010-07-08 |
Foreign References:
| JP2004325239A | 2004-11-18 | |||
| US5149198A | 1992-09-22 | |||
| KR20100034005A | 2010-03-31 | |||
| US6900756B2 | 2005-05-31 |
Attorney, Agent or Firm:
DOOHO IP LAW FIRM (KR)
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