WO2008054350A3 - Multi-channel millimeter wave image system - Google Patents

Multi-channel millimeter wave image system Download PDF

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Publication number
WO2008054350A3
WO2008054350A3 PCT/US2006/026750 US2006026750W WO2008054350A3 WO 2008054350 A3 WO2008054350 A3 WO 2008054350A3 US 2006026750 W US2006026750 W US 2006026750W WO 2008054350 A3 WO2008054350 A3 WO 2008054350A3
Authority
WO
WIPO (PCT)
Prior art keywords
millimeter wave
amplified
target region
lens
dimensional image
Prior art date
Application number
PCT/US2006/026750
Other languages
French (fr)
Other versions
WO2008054350A2 (en
Inventor
Vladimir Kolinko
John A Lovberg
Original Assignee
Trex Entpr Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Trex Entpr Corp filed Critical Trex Entpr Corp
Publication of WO2008054350A2 publication Critical patent/WO2008054350A2/en
Publication of WO2008054350A3 publication Critical patent/WO2008054350A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/005—Prospecting or detecting by optical means operating with millimetre waves, e.g. measuring the black losey radiation

Abstract

A broad-band millimeter wave imaging system with improved thermal resolution as compared to prior art devices. The system is useful for producing images of metal and non- metal objects such as guns, knives and explosives hidden under clothing. A cylindrical antenna focuses millimeter wave radiation from a substantially one dimensional section of a target region onto a linear array of radiation collectors. Radiation collected at each collector is amplified to produce a set of amplified millimeter wave signals and the amplified signals pass through focusing delay lines to a millimeter wave lens. Millimeter wave signals are collected at the output of the lens and the collected signals are monitored by an array of detectors. The combined effects of the delay lines and the lens produce a focus of the amplified millimeter wave radiation emitted and reflected from the one dimensional section of the target region. The array of millimeter wave detectors at the focus of the lens produces a one dimensional image of the one dimensional section of the target region. The antenna is scanned to produce a two dimensional image of the complete target region. The two dimensional image is displayed on a monitor screen. A full two-dimensional image of a human subject located at a stand-off distance of several meters (e.g., 7 meters) from the imager is acquired in few seconds time frame.
PCT/US2006/026750 2005-07-12 2006-07-05 Multi-channel millimeter wave image system WO2008054350A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/180,105 2005-07-12
US11/180,105 US7415244B2 (en) 2003-08-12 2005-07-12 Multi-channel millimeter wave imaging system

Publications (2)

Publication Number Publication Date
WO2008054350A2 WO2008054350A2 (en) 2008-05-08
WO2008054350A3 true WO2008054350A3 (en) 2008-10-30

Family

ID=39344737

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/026750 WO2008054350A2 (en) 2005-07-12 2006-07-05 Multi-channel millimeter wave image system

Country Status (2)

Country Link
US (1) US7415244B2 (en)
WO (1) WO2008054350A2 (en)

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Publication number Publication date
US7415244B2 (en) 2008-08-19
US20070001895A1 (en) 2007-01-04
WO2008054350A2 (en) 2008-05-08

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