| 发明名称 |
TRANSMISSION APPARATUS, RECEPTION APPARATUS, TRANSMISSION/RECEPTION SYSTEM AND RECEPTION PROGRAM |
| 摘要 |
A transmission apparatus is a transmission apparatus that generates a pressure wave for transmitting data in drilling mud, and includes a tubular member, a plurality of valves that are provided side by side in an axial direction of the tubular member inside the tubular member, each of which includes a stator including holes for passing the drilling mud, and a rotatable rotor which is provided to overlap the stator and includes blocking portions blocking the holes in the stator according to a rotation position, a motor that rotates the respective rotors, and a control unit that controls the motor 130 so as to rotate and stop the respective rotors at frequencies different from each other, according to data to be transmitted. |
| 申请公布号 |
US2015054653(A1) |
申请公布日期 |
2015.02.26 |
| 申请号 |
US201314390114 |
申请日期 |
2013.04.03 |
| 申请人 |
Japan Agency for Marine-Earth Science and Technology |
发明人 |
Shinmoto Yuichi;Ishiwata Junya;Miyazaki Tsuyoshi |
| 分类号 |
G08C23/00;H04B13/02 |
主分类号 |
G08C23/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A transmission apparatus that generates a pressure wave for transmitting data in liquid, comprising:
a tubular member; a plurality of valves that are provided side by side in an axial direction of the tubular member inside the tubular member, each of which includes a stator including holes for passing liquid, and a rotatable rotor which is provided to overlap the stator and includes blocking portions blocking the holes in the stator according to a rotation position; drive means for rotating the respective rotors; and control means for controlling the drive means so as to rotate and stop the respective rotors at frequencies different from each other, according to data to be transmitted. |
| 地址 |
Kanagawa JP |
