Communications: electrical – Aircraft alarm or indicating systems – Flight alarm
Patent
1995-06-07
1997-08-05
Swarthout, Brent A.
Communications: electrical
Aircraft alarm or indicating systems
Flight alarm
25033914, 356418, 340601, G08B 2300
Patent
active
056547005
ABSTRACT:
A detection system for use in an aircraft which is able to monitor atmospheric conditions ahead of the aircraft, generate an alarm signal if adverse atmospheric conditions exist ahead of the aircraft and generate information which indicates the position of the adverse conditions so the adverse conditions can be avoided. The system is able to detect the presence of volcanic ash cloud ahead of the aircraft and, if desired, can also be used to detect a high density of sulphur dioxide gas and/or clear air turbulence ahead of the aircraft. The system monitors infrared radiation received by the aircraft, generates intensity signals representative of at least one predetermined wavelength of the radiation and compares intensity signals with reference signals or intensity signals of another infrared wavelength. If the results of the comparison indicate the adverse conditions are present, an adverse condition warning signal is generated and the device is also able to generate video display signals for producing a video display which indicates the position of the adverse conditions relative to the aircraft.
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Barton Ian James
Prata Alfredo Jose
Commonwealth Scientific and Industrial Research Organization
Swarthout Brent A.
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