Patent ID: 7684584

Claim:
An electrically angle-adjustable speaker, comprising: a seat unit with a hole provided at a central portion thereof and including a horizontal-rotation driving mechanism provided in the hole and having a transmission gear; a rotation unit including an arcuate toothed track provided thereon, a first limiting member provided on each end of the arcuate toothed track, a limiting track provided below the arcuate toothed track, and a plurality of positioning members provided along the limiting track, a hole being provided at a central portion of the rotation unit, a vertical-rotation driving mechanism and a first limiting device being provided in a front portion of the hole, the vertical-rotation driving mechanism having a transmission gear, a second limiting device being disposed in the hole, either of the first and the second limiting devices having a sliding piece, a micro switch being provided on each sliding piece, two pivot bearings being provided in a rear portion of the hole, one or more rollers being circumferentially provided in a lower portion of the rotation unit, the rotation unit being fitted into the hole of the seat unit; and a speaker unit including a toothed track and a positioning track provided on an upper surface thereof, a plurality of positioning members provided along the positioning track, a second limiting member provided on each end of the toothed track, a pivot provided on each side of the speaker unit to be fitted onto the pivot bearing.