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  2. Covert listening device - Wikipedia

    en.wikipedia.org/wiki/Covert_listening_device

    A covert listening device, more commonly known as a bug or a wire, is usually a combination of a miniature radio transmitter with a microphone. The use of bugs, called bugging, or wiretapping is a common technique in surveillance, espionage and police investigations. Self-contained electronic covert listening devices came into common use with ...

  3. The Thing (listening device) - Wikipedia

    en.wikipedia.org/wiki/The_Thing_(listening_device)

    The device, embedded in a carved wooden plaque of the Great Seal of the United States, was used by the Soviet government to spy on the US. On August 4, 1945, several weeks before the end of World War II , a delegation from the Young Pioneer Organization of the Soviet Union presented the bugged carving to Ambassador Harriman, as a "gesture of ...

  4. Surveillance tools - Wikipedia

    en.wikipedia.org/wiki/Surveillance_tools

    Surveillance tools. Surveillance tools are all means of technology provided and used by the surveillance industry, police or military intelligence, and national security institutions that enable individual surveillance and mass surveillance . Steven Ashley in 2008 listed the following components used for surveillance: [1] [2] Primarily electronic.

  5. Microphone array - Wikipedia

    en.wikipedia.org/wiki/Microphone_array

    A microphone array is any number of microphones operating in tandem. There are many applications: Locating objects by sound: acoustic source localization, e.g., military use to locate the source (s) of artillery fire. Aircraft location and tracking. Typically, an array is made up of omnidirectional microphones, directional microphones, or a mix ...

  6. Laser microphone - Wikipedia

    en.wikipedia.org/wiki/Laser_microphone

    Laser microphone. A laser microphone is a surveillance device that uses a laser beam to detect sound vibrations in a distant object. It can be used to eavesdrop with minimal chance of exposure. The object is typically inside a room where a conversation is taking place and can be anything that can vibrate (for example, a picture on a wall) in ...

  7. 10 Unbeatable Black Friday Electronics Deals at Walmart - AOL

    www.aol.com/10-unbeatable-black-friday...

    Thanksgiving is around the corner, and most importantly for some consumers, Black Friday will follow -- an event many have been waiting for with trepidation. Experts: Here's Why Nearly Every ...

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