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:
Mar. 05, 1991
Filed:
Feb. 28, 1989
Alain Poirier, 75116 Paris, FR;
Other;
Abstract
The invention provides a method and device for determining the heading with wind (or with current) of an air (or sea-going) vehicle. The device of the invention comprises a support element with two coaxial compass cards, one of which is assigned to the heading without wind and the other serves as indication of the heading with wind, as well as a plurality of rings which may be mounted for rotation coaxially with said compass cards and in the coronal space therebetween. Each of the rings corresponds to a particular situation of the aircraft determined by a wind speed/aircraft speed ratio and has a pointer intended to be oriented along the wind bearing. A series of lines ensures the correspondence between the compass cards.