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    • 6. 发明申请
    • REMOTE IDENTIFICATION OF EXPLOSIVES AND OTHER HARMFUL MATERIALS
    • 远程识别爆炸物和其他有害材料
    • US20100022009A1
    • 2010-01-28
    • US11500669
    • 2006-08-08
    • Zvi Yaniv
    • Zvi Yaniv
    • G01N37/00
    • G01N21/1702Y10T436/13
    • Embodiments of the present invention are generally directed to the remote detection of explosives and other harmful materials. In some such embodiments, such remote detection involves the use of semiconducting nanoparticles. In some or other such embodiments, such remote detection involves the use of photoacoustic detection and/or spectroscopy. In some such latter embodiments, the photoacoustic system comprises a light source 201 that passes through a chopper 202 and into a photoacoustic cell 203 comprising the analyte gas. Pressure waves within the cell are detected as sound waves by microphones 204. The signal produced by the microphones can then be amplified and transmitted to a remote location, typically via a wireless means.
    • 本发明的实施例一般涉及炸药和其他有害物质的远程检测。 在一些这样的实施例中,这种远程检测涉及使用半导体纳米颗粒。 在一些或其它这样的实施例中,这种远程检测涉及使用光声检测和/或光谱学。 在一些这样的后续实施例中,光声系统包括通过斩光器202并进入包含分析物气体的光声单元203的光源201。 通过麦克风204将单元内的压力波检测为声波。然后,麦克风产生的信号可以被放大并且通常通过无线装置传输到远程位置。