| 发明名称 |
POWER-FREE GYROSCOPE USING SURFACE ACOUSTIC WAVE, AND WIRED/WIRELESS METHOD FOR MEASURING ANGULAR VELOCITY |
| 摘要 |
Provided is a gyroscope using a surface acoustic wave (SAW) and an angular velocity measurement method. The gyroscope includes an SAW resonator generating a first SAW, generating Coriolis force using an interaction between a velocity component of the first SAW and applied angular velocity on a metallic dot layer disposed in a certain position, and generating a second SAW using the Coriolis force, an SAW sensing oscillator generating a third SAW and receiving a fourth SAW, which is the third SAW reflected and returning after causing interference due to the second SAW, and a measurement device measuring a level of the applied angular velocity using variations in time of receiving the fourth SAW. |
| 申请公布号 |
US2015000399(A1) |
申请公布日期 |
2015.01.01 |
| 申请号 |
US201214369300 |
申请日期 |
2012.12.31 |
| 申请人 |
Lee Kee Keun;Yang Sang Sik;Oh Hae Kwan |
发明人 |
Lee Kee Keun;Yang Sang Sik;Oh Hae Kwan |
| 分类号 |
G01C19/5698 |
主分类号 |
G01C19/5698 |
| 代理机构 |
|
代理人 |
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| 主权项 |
1. A gyroscope using a surface acoustic wave (SAW), comprising:
an SAW resonator generating a first SAW, generating Coriolis force using an interaction between a velocity component of the first SAW and applied angular velocity on a metallic dot layer disposed in a certain position, and generating a second SAW using the Coriolis force; an SAW sensing oscillator generating a third SAW and receiving a fourth SAW, which is the third SAW reflected and returning after causing interference due to the second SAW; and a measurement device measuring a level of the applied angular velocity using variations in time of receiving the fourth SAW. |
| 地址 |
Gyeonggi-do KR |
