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:
Jul. 25, 2006
Filed:
May. 23, 2002
Brian J. Barnhart, New Carlisle, OH (US);
Craig E. Giffen, Hilliard, OH (US);
Scott E. Hamilton, North Lewisburg, OH (US);
Saed M. Mubaslat, Miamisburg, OH (US);
Brian J. Barnhart, New Carlisle, OH (US);
Craig E. Giffen, Hilliard, OH (US);
Scott E. Hamilton, North Lewisburg, OH (US);
Saed M. Mubaslat, Miamisburg, OH (US);
Honeywell International Inc., Morristown, NJ (US);
Abstract
An electronically controlled retractable landing light () for use with aircraft. A controller () compares the commanded position of a lighthead () by means of a contactless absolute position sensor (). Operation of a brake (), motor (), and lamp () is controlled by a control unit (). Electrical power to the brake (), motor (), and lamp () is slowly applied and removed to reduce electromagnetic emissions and extend the service life of a power stage (), brake (), motor (), and lamp (). The lighthead () may be manually stowed in the event of a fault.