|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||G01S-007/42 G01S-013/00 G01S-013/58 G01S-013/08|
|미국특허분류(USC)||342/014; 342/027; 342/053; 342/056; 342/061; 342/095; 342/107; 342/134; 342/139|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 21 인용 특허 : 20|
A system and method for warning a helicopter of an approaching bullet using existing sensor systems is disclosed. The disclosed method including the steps of: detecting and providing bearing information for detected small arms weapon firing locations near the helicopter, determining a detection area and detection time window for the fired bullet, determining the antennas of the RF transmitting and RF receiving systems covering the bearing of the detected weapon firing; determining a timing sequence and allocating time segments for transmitting and receiv...
We claim: 1. A system for warning a helicopter of an approaching bullet using existing sensor systems, said system comprising: means for transmitting an RF signal; means for receiving RF signals; means for detecting a small arms weapon firing from at least one location in the vicinity of a helicopter; means for providing a bearing from said helicopter for said at least one location where said small arms weapon firing was detected; means for determining a detection area and detection time window for a bullet fired from said small arms weapon; means for d...