| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a head magnifier with a light source of energy-saving type in which lighting and turning-off of a light-emitting part can be switched over promptly without using a hand according to intended operation of a user. <P>SOLUTION: The head magnifier with a light source having a light-emitting part to illuminate the front part is provided with a reference angle detection means which detects whether it is in an elevation angle or in a depression angle compared with the reference angle and lights or turns off the light-emitting part, and an operating means to turn on or off the power source. <P>COPYRIGHT: (C)2007,JPO&INPIT |
