发明名称 |
Method and apparatus to sense aircraft pilot ejection for rescue radio actuation |
摘要 |
A sensor apparatus to sense when an aircraft pilot has ejected is provided for safe actuation of a rescue locator radio. The ejection sensor apparatus (20) has a microphone (40), an accelerometer (35) and logic for determining that a pilot ejection event has occurred. The microphone (40) detects the differences in sound level (30) from normal cockpit noise to those during ejection and after deployment of a rescue chute. The accelerometer (35) detects the differences in acceleration level (25) during ejection and after deployment of a rescue chute. Pre-programmed acceptance templates (55) are compared in a digital processor (60) to ensure that ejection has occurred before a rescue radio (90) is activated. A manual turn on delay or turn off capability for the rescue radio is provided for facilitation of communications. Encrypted GPS location information and a pilot code are also included in the rescue radio transmission.
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申请公布号 |
US5894285(A) |
申请公布日期 |
1999.04.13 |
申请号 |
US19970929334 |
申请日期 |
1997.08.29 |
申请人 |
MOTOROLA, INC. |
发明人 |
YEE, DAVID MOON;ANDERSON, NEAL ROBERT;BICKLEY, ROBERT HENRY;FLEMING, JAMES HARVEY |
分类号 |
B64D25/10;B64D25/112;B64D25/20;G01S19/48;(IPC1-7):G01S5/02;H04B7/185 |
主分类号 |
B64D25/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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