The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 02, 1994
Filed:
Dec. 16, 1991
Catherine Boiteau, Merignac, FR;
Roger Parus, Merignac, FR;
Sextant Avionique, Meudon la Foret Cedex, FR;
Abstract
The disclosure relates to systems for piloting aircraft. Equations of the movements of the aircraft are used for computing, in a computer, of the first and second derivatives parameters V.sub.p, .PHI..sub.v, .sigma..sub.a, .beta..sub.v, .alpha., .PHI..sub.v, .sigma..sub.a, .beta..sub.v, of the parameters V.sub.p, .PHI..sub.v, .sigma..sub.a, .beta..sub.v, .alpha. of the movement of the aircraft, and the values thus computed are compared with those computed by means of the values of said parameters V.sub.p, .PHI..sub.v, .sigma..sub.a, .beta..sub.v, .alpha. at the instants t, (t+dt) and (t+2dt). An alarm signal (circuit 23) is generated if equality is not verified to a given precision.