MICROPHONE Russian patent published in 2014 - IPC H04R9/08 

FIELD: physics.

SUBSTANCE: in a microphone, having a hollow housing, a protective screen for a sound pickup, having a diaphragm, a moving coil, a magnetic element, a sound pickup switch, an output connector, on the side of the protective screen in the wall of the housing there N rows of LEDs placed arranged in a circle, said LEDs being connected by conductors to a power supply unit, a direct current source mounted inside the housing and a keyboard. One row of LEDs is separated from the other by a curved flat partition wall, having an edge in form of sinusoid, wherein the partition walls are aligned with one another to form cells. The number of LED rows matches the number of keys on the keyboard. A LED switch is placed on the housing. An opening is made in the wall of the housing for connecting the plug of a charging device to the terminals of the direct current source. A swivel with a holder is mounted on the wall of the housing.

EFFECT: broader functional capabilities by enabling illumination.

5 dwg