| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an illuminated keyboard which includes a transparent inner frame, a key, a light source and a membrane switch circuit, and makes illuminance of the key uniform. <P>SOLUTION: The illuminated keyboard comprises: a transparent inner frame; a membrane switch circuit disposed on the transparent inner frame; at least one key which is connected to the transparent inner frame and comes into contact with the membrane switch circuit by depression; and a light source which is disposed between the key and the transparent inner frame and emits a light beam. <P>COPYRIGHT: (C)2012,JPO&INPIT |
