| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a speaker housing of a wireless unit terminal or the like, having the increased volume of the space on the back surface side of a speaker, and having the improved sound pressure level of sound as result. <P>SOLUTION: The speaker housing 10 includes: a main board 12 disposed on one surface 10a; a shield case 16 covering the main board 12; a speaker 14 for generating the sound; a sound emitting port 15 for emitting the sound toward the back surface side of the speaker housing 10; a sound emitting port 18a for emitting the sound emitted from the speaker 14 through the sound emitting port 15b toward the back surface side of the speaker housing 10 further toward the back surface side of the speaker housing 10 on a flexible board 18 for covering a part 14b of the back surface side of the speaker 14; and a space part 22 formed between the back surface side of the speaker 14 and the shield case 16, for securing the height of the sound pressure level of the sound generated from the speaker 14 toward the front surface side of the speaker housing 10 as desired on the basis of the sound emitted from sound emitting ports 15b, 15c and 16a. <P>COPYRIGHT: (C)2010,JPO&INPIT |
