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:
Nov. 02, 1982
Filed:
Feb. 22, 1980
Applicant:
Inventors:
Antonius A Lambregts, Renton, WA (US);
Rolf Hansen, Bellevue, WA (US);
Assignee:
The Boeing Company, Seattle, WA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G05D / ; G06G / ; B64C / ;
U.S. Cl.
CPC ...
364430 ; 244183 ; 244187 ;
Abstract
Upon aircraft landing approach, flare path command signals of altitude, vertical velocity and vertical acceleration are generated as functions of aircraft position and velocity with respect to the ground. The command signals are compared with corresponding actual values to generate error signals which are used to control the flight path.