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:
May. 08, 2012
Filed:
Jan. 13, 2009
Akihiro Yamane, Tokyo, JP;
Mitsuru Kono, Tokyo, JP;
Takahiro Kumamoto, Tokyo, JP;
Fuji Jukogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
An automatic landing apparatus for an aircraft includes: an altitude sensor; an airspeed sensor; an attitude angle sensor; a direction sensor; a position sensor; a landing command inputting section; and a control device, including: an approaching flight control section for realizing an approaching flight along a predetermined path by controlling a propulsion device and a control surface, in response to a landing command; a flare control section for controlling the propulsion device to provide a minimum output and controlling the control surface to perform a flare when the altitude of the aircraft becomes less than a predetermined landing altitude; and a landing run control section for realizing a landing run by controlling the propulsion device to maintain the minimum output and controlling the control surface to maintain the attitude angle and the traveling direction of the aircraft when the airspeed of the aircraft becomes less than a predetermined landing speed.