Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7952252 | Inner rotor type permanent magnet excited transverse flux motor Disclosed herein is an inner rotor type permanent magnet excited transverse flux motor, in which a laminated structure in an axial direction or in a radial shape is applied to a stator iron core so as to employ a small amount of permanent magnets compared with a con... | 05/31/2011 |
| 7928612 | Low-noise, high-speed, high precision and high-thrust flux reversal motor for linear or rotary motion system Disclosed herein is to a flux reversal motor. The flux reversal motor includes a mover, and a plurality of permanent magnets. The mover moves linearly relative to a stator. A plurality of permanent magnets, having identical polarities, is provided in the end of each... | 04/19/2011 |
| 7771117 | X-ray system for dental diagnosis and oral cancer therapy based on nano-material and method thereof A medical X-ray tube system for dental diagnosis and oral cancer therapy based on nano-material is disclosed. The medical X-ray tube system may include a body and an X-ray emission module emitting X-rays using a cathode having a chipped nano-structured material. The... | 08/10/2010 |
| 7579702 | Electric power converting device and power converting method for controlling doubly-fed induction generator Disclosed herein is an electric power converting device and power converting method for controlling doubly-fed induction generators, which provides a synchronous generator for generating auxiliary electric power independently of a doubly-fed induction generator so a... | 08/25/2009 |
| 7453619 | Rotary optical delay line Disclosed herein is an optical delay line. The optical delay line includes a body and at least one wing, which constitute a rotating body that rotates around a rotational axis. The rotational wing includes a retroreflective curved surface, which is formed so that li... | 11/18/2008 |
| 7411551 | System and method for asynchronous wireless positioning by ordered transmission Disclosed is a wireless positioning system and method that can perform a high-precision position tracking. The wireless positioning system includes a target device that is an object of wireless positioning, beacon devices and a processing unit. The beacon devices tr... | 08/12/2008 |
