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