Battery-operated portable equipment requires battery power management system for switching between battery and external power source. While prior implementation requires separate power converters and power multiplexers such system, this invention provides a DC-DC converter that allows multiple power.....
[更多]
It is well known that growth of micro-organisms or macrofouling matters on the submerged parts of a structure may have detrimental effects on their operation and their corrosion rate.A method of preventing fouling of aquatic surfaces by organisms is invented. It does not contaminate the environmen.....
[更多]
It is necessary to be able to determine the shape of the foot surface when standing on different shapes so that the comfortable shapes can be determined. The foot is comprised of 26 bones and soft tissues and the optimal configuration for the foot when standing on a surface is really not its natural.....
[更多]
| |<首頁 <-上一頁 下一頁-> 末頁>| |
