| 摘要 |
A miniature speaker is describer including a microphone holder and a vibrator holder. A miniature speaker matching the oval shape of a sound chamber is placed face down over the sound chamber. A small slot is formed in one of the sides of the sound chamber to provide a sound portal through which the speaker generated sound is heard. The platform on which the sound chamber is formed also comprises a microphone holder and a vibrator holder. The microphone holder is positioned such that a sound receiving portal of the microphone is orthogonal to the sound portal formed in one of the side walls of the sound chamber. |
