Communications: electrical – Aircraft alarm or indicating systems – Flight alarm
Patent
1996-08-05
2000-02-01
Swarthout, Brent A.
Communications: electrical
Aircraft alarm or indicating systems
Flight alarm
340977, 701 4, 701 9, G08B 2300
Patent
active
060208325
ABSTRACT:
An apparatus and method for automatically and independently determining aircraft altitude and alerting the pilot to deviations from a target altitude exceeding a specified tolerance. The alerter comprises an altitude sensing means for sensing the present altitude of the aircraft. The invention discloses three sources for altitude information namely, a self-contined sensor such as a pressure transducer, a Global Positioning System receive, or an altitude encoder. A target entry means is used for entering the target altitude. An indicating means signals an altitude alerting condition upon the detection of a condition wherein the absolute difference is larger than the tolerance value. The altitude alerting apparatus may also comprise a display means for display of the present aircraft altitude information.
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patent: 3680046 (1972-07-01), Bergey et al.
patent: 3821698 (1974-06-01), Tippetts
patent: 4006472 (1977-02-01), Greene
patent: 4319487 (1982-03-01), Haase et al.
patent: 4355294 (1982-10-01), Ben-David et al.
patent: 5058427 (1991-10-01), Brandt
patent: 5450329 (1995-09-01), Tanner
"Altitude Alerting Systems", Peter Holman-Smith, Proceedings of 18th Intl. ISA Aerospace Instrumentation Symposium, vol. 18, May 15-17, 1972.
Product Description/brochure--"S-TECs New LCD Altitude Selector/Alerter".
Product Description/brochure--"AirSport Altitude Alerter/Transponder Monitor".
Product Description/brochure--"Shadin AMS-2000" Altitude Management System.
Product Description/brochure--Icarus Instruments "AltaAlert 3070G".
Product Description/brochure--S-TEC System 40/50 Autopilots.
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