| 发明名称 |
Echo torpedo |
| 摘要 |
|
| 申请公布号 |
US1892431(A) |
申请公布日期 |
1932.12.27 |
| 申请号 |
US19280266583 |
申请日期 |
1928.04.02 |
| 申请人 |
|
发明人 |
JR. JOHN HAYS HAMMOND, |
| 分类号 |
F41G7/00;F42B19/10 |
主分类号 |
F41G7/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
您可能感兴趣的专利
Method and apparatus for estimating a quantization table for a video image
Stereoscopic image display device and operating method thereof
Videoconferencing systems with recognition ability
Terminal, system, display method, and recording medium storing a display program
Processing system, monitoring method, and non-transitory computer-readable recording medium
Solid-state imaging element and camera system
Imaging element, driving method, and electronic apparatus
Lighting control device and lighting control method
Focus control apparatus, focus control method, camera apparatus and focus control method in camera apparatus
Imaging element, imaging device and endoscope system
Mobile electronic communications combining voice-over-IP and mobile network services
Method and apparatus for providing special call handling for valued customers of retailers
Casing and protective shell for mobile electronic device
Portable electronic device
Operation task managing apparatus and method
Establishing social network connections
Dynamically launching a server-based application on a mobile device
Apparatus and method for providing content with a distributed architecture, and system for providing content with the said apparatus
Real-time video detector
Mitigation of computer network attacks
