| 摘要 |
A speaker orientation angle control apparatus is provided to enable a user to easily and accurately adjust the orientation angle of a speaker by using vertical and horizontal angle adjusters. A speaker orientation angle control apparatus includes a frame(20), a main hinge block(30), and a vertical orientation angle adjuster(50). The frame is fixed on a wall. The main hinge block supports a speaker, such that the speaker is hinge-coupled with the frame. The main hinge block is fixed on the frame. The vertical orientation angle adjuster is implemented on the frame to support the speaker. The vertical orientation angle adjuster moves the speaker around the main hinge block, such that a vertical orientation angle of the speaker is adjusted. The vertical orientation angle adjuster includes a pinion and a rack. The pinion is rotatably fixed on the frame. |
