Universal police loudspeaker
AssigneeNingbo Kaishuo Lighting Technology Co., Ltd.
InventorYanhua GAO
Life of this patent
Estimating the term…
Abstract
A universal police speaker includes an inner cavity, a voice coil, a magnet, a support plate, a diaphragm and a protecting cover to form a dome speaker structure. The inner cavity is filled with a sound absorbing material; the voice coil is installed around the inner cavity; the magnet is installed around the voice coil; the support plate is installed between the voice coil and the magnet; the diaphragm is installed at the top of the inner cavity; and the protecting cover is installed at the diaphragm. The speaker further includes a level bracket for placing the inner cavity, the voice coil, the magnet, the support plate, the diaphragm and the protecting cover, and the level bracket is disposed at the top of a car body of a police car. The invention can improve the anti-violence capability of the police speaker.
Claims8
A universal police speaker, comprising an inner cavity, a voice coil, a magnet, a support plate, a diaphragm and a protecting cover to form a dome speaker structure, and the inner cavity being filled with a sound absorbing material, the voice coil being installed around the inner cavity, the magnet being installed around the voice coil, the support plate being installed between the voice coil and the magnet, the diaphragm being installed at the top of the inner cavity, and the protecting cover being installed at the diaphragm;
- wherein the speaker further comprises a level bracket for placing the inner cavity, the voice coil, the magnet, the support plate, the diaphragm and the protecting cover;
- and
- the level bracket is disposed at the top of a car body of a police car.
Dependencies are inferred from the claim text.