发明名称 |
MOVEMENT FOR WATCH WITH LED (LIGHT EMITTING DIODE) LIGHTING, AND WATCH WITH LED (LIGHT EMITTING DIODE) LIGHTING |
摘要 |
<P>PROBLEM TO BE SOLVED: To provide a movement for a watch with LED lighting that is compact and thin without a risk causing increase of an IC cost and increase of size by achieving miniaturization of a battery, and to provide the watch with LED lighting. <P>SOLUTION: The movement for the watch with LED lighting comprises a boosting function for performing boosting by a charge pump circuit having no voltage stabilization circuit. The boosting function may be integrally provided with a counting function driving the watch in an integrated circuit. Alternatively, the watch for LED lighting is provided with the movement. <P>COPYRIGHT: (C)2007,JPO&INPIT |
申请公布号 |
JP2007155594(A) |
申请公布日期 |
2007.06.21 |
申请号 |
JP20050353489 |
申请日期 |
2005.12.07 |
申请人 |
RICOH ELEMEX CORP |
发明人 |
HASEGAWA MASAHIDE;IMAI TOSHIYUKI |
分类号 |
G04G19/02;G04C10/00;G04G9/00 |
主分类号 |
G04G19/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|