| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a study desk with a hand generator which turns on a light without utility power unlike a conventional desk with a lighting device to which AC power is supplied from outside the desk. <P>SOLUTION: An accumulator battery 103 incorporated in the study desk 100 and the hand generator 104 set to the study desk, turn on the lighting device 102 without the supply of the utility power. <P>COPYRIGHT: (C)2013,JPO&INPIT |
