发明授权
US07733056B2 Prevention of electro-chemical corrosion at charging contacts of a battery-powered handpiece and its charger device
有权
防止在电池供电的手机及其充电器装置的充电触点处发生电化学腐蚀
- 专利标题： Prevention of electro-chemical corrosion at charging contacts of a battery-powered handpiece and its charger device
- 专利标题（中）： 防止在电池供电的手机及其充电器装置的充电触点处发生电化学腐蚀
-
申请号： US10828656申请日： 2004-04-21
-
公开(公告)号： US07733056B2公开(公告)日： 2010-06-08
- 发明人: Martin G. Hartung , Michael Keller
- 申请人： Martin G. Hartung , Michael Keller
- 申请人地址： US MN St. Paul
- 专利权人： 3M Innovative Properties Company
- 当前专利权人： 3M Innovative Properties Company
- 当前专利权人地址： US MN St. Paul
- 优先权： EP03009617 20030429
- 主分类号： H02J7/00
- IPC分类号： H02J7/00
摘要：
The present invention relates to the prevention of electro-chemical corrosion at charging pins, especially of a battery-powered handpiece and its charging station.