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  2. Presidential lecterns of the United States - Wikipedia

    en.wikipedia.org/wiki/Presidential_lecterns_of...

    In 1987, President Ronald Reagan used a Blue Goose lectern to give the "Tear down this wall!" speech in West Berlin. Described by Politico as "bulky" and "formal", [4] and named by the United States Secret Service after the color of its top and its gooseneck microphone, [5] the bullet-resistant [2] or bullet-proof [5] Blue Goose lecterns are boxy, with a dark blue desk section and dark panels ...

  3. Gooseneck (fixture) - Wikipedia

    en.wikipedia.org/wiki/Gooseneck_(fixture)

    A gooseneck is a semi-rigid, flexible joining element made from a coiled metal hose. Similar to its natural counterpart , it can be bent in almost any direction and remain in that position. [ 1 ] Areas of application for goosenecks are movable brackets for lights , magnifying glasses , microphones and other devices. [ 2 ]

  4. Raymond A. Litke - Wikipedia

    en.wikipedia.org/wiki/Raymond_A._Litke

    Litke’s wireless mike resembled a silver tube with “a microphone at the top, a transmitter in the middle and its battery power supply at the bottom.” [1] It was 6 inches long, 1 inch in diameter, and weighed 7 ounces; the device had a broadcast range of up to a half-mile. Two types of mikes were available: lavalier and hand-held.

  5. Teleprompter - Wikipedia

    en.wikipedia.org/wiki/Teleprompter

    This modification to the traditional two-teleprompter set-up continues to be in use at both the Democratic and Republican parties' national conventions: the two glass teleprompters on either side of the speaker's lectern create the illusion that the speaker is looking directly at the audience in the hall, the monitor embedded in the lectern ...

  6. Lectern - Wikipedia

    en.wikipedia.org/wiki/Lectern

    A lectern is a standing reading desk with a slanted top, on which documents or books are placed as support for reading aloud, as in a scripture reading, lecture, or sermon. A lectern is usually attached to a stand or affixed to some other form of support.

  7. Wireless microphone - Wikipedia

    en.wikipedia.org/wiki/Wireless_microphone

    A wireless microphone, or cordless microphone, is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated. Also known as a radio microphone , it has a small, battery-powered radio transmitter in the microphone body, which transmits the audio signal from the ...

  8. Lavalier microphone - Wikipedia

    en.wikipedia.org/wiki/Lavalier_microphone

    When lavalier microphones are concealed under clothing, the clothing often scratches against the microphone. To minimize this problem, sound recordists sometimes wrap the head of the microphones in moleskin or place it inside a hollow-centered, column-shaped sponge and place it under a placard, behind a button, or within the knot of a tie.

  9. Covert listening device - Wikipedia

    en.wikipedia.org/wiki/Covert_listening_device

    It consisted of a microphone in one location and a remote listening post with a speaker that could also be recorded using a phonograph. While also marketed as a device that allowed broadcasting of sounds, or dictating text from one room to a typist in another, it was used in several criminal investigations.