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. 13, 1991
Filed:
Apr. 20, 1990
Roger S Fitzpatrick, Cheltenham, GB;
Smiths Industries Public Limited Company, London, GB;
Abstract
A helmet for aircrew in a highly manueverable aircraft has six air bags which are inflated or deflated by a control system so as to counteract acceleration forces on the wearer's head and helmet. Two pairs of air bags engage the wearer's body, and two bags engage the seat headrest so that restoring forces in yaw, pitch and lateral directions can be applied. A position sensor determines the actual position of the helmet which is compared with the predicted position, as derived from an inertial sensor or inputs from the aircraft flight control system, the difference between these two positions being used to control operation of the air bags. A memory module programmed with information about the behavior of the wearer's head and helmet characterizes the control system to the particular wearer and is removable for use in other systems.