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:
Feb. 02, 2016
Filed:
Apr. 02, 2014
Applicant:
Sikorsky Aircraft Corporation, Stratford, CT (US);
Inventors:
Anthony Litwinowicz, Derby, CT (US);
Vineet Sahasrabudhe, Cheshire, CT (US);
Assignee:
SIKORSKY AIRCRAFT CORPORATION, Stratford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 23/00 (2006.01); G05D 1/00 (2006.01); G05D 3/00 (2006.01); G06F 7/00 (2006.01); G06F 17/00 (2006.01); G08G 5/04 (2006.01); B64C 27/04 (2006.01);
U.S. Cl.
CPC ...
G05D 1/0055 (2013.01); B64C 27/04 (2013.01); G08G 5/04 (2013.01);
Abstract
A helicopter is provided and includes an air frame formed to accommodate a pilot, flight control elements disposed on the airframe to generate lift and thrust in accordance with control commands issued by the pilot and a current control mode, a sensor disposed on the airframe to sense helicopter proximity to terrain and obstacles and a flight computer configured to change the current control mode based on sensed helicopter proximity to the terrain and the obstacles.