| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an illuminated keyboard with simplified circuitry layout at low cost. <P>SOLUTION: The membrane switch circuit includes a first jumper area and a bus, and is connected with a main circuit board through the bus. An illumination circuit board includes a second jumper area. The second jumper area is connected with the first jumper area. The illumination circuit board is electrically connected with the main circuit board through the second jumper area, the first jumper area and the bus. <P>COPYRIGHT: (C)2013,JPO&INPIT |
