[转载]Through the Wall Audio Surveillance
信息来源：[url]http://cryptome.org/audio-spy.htm[/url]This message is from the TSCM-L mail list which covers technical surveillance and its countermeasures. James Atkinson, a TSCM professsional, operates the list. More on the topic below at his web site: [url]http://www.tscm.com[/url] The message thread is a new US patent application 2005/0220310 (Patent Office) for "Technique and Device for Through-the-Wall Audio Surveillance," October 5, 2005.
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[url]http://gbppr.trighost.org/mil/cavity/20050220310.pdf[/url]
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