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:
Nov. 13, 2001
Filed:
Jul. 26, 1999
Applicant:
Inventors:
Scott E. Hamilton, North Lewisburg, OH (US);
Brian J. Barnhart, New Carlisle, OH (US);
Nicolo F. Machi, Urbana, OH (US);
Assignee:
AlliedSignal Inc., Morristown, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 3/300 ;
U.S. Cl.
CPC ...
F21V 3/300 ;
Abstract
An electronically controlled, programmable searchlight (,), particularly useful for mounting on helicopters. The searchlight (,) uses a digital electronic control circuit (,) in conjunction with rotary potentiometers (,), (,) to control movement of the searchlight (,). Adjustable trimpots (,) are employed to provide the searchlight (,) with preset positions, each preset position having an easily alterable operating envelope. The searchlight (,) may have light sources (,) of varying type, which may also be controlled by the electronic control circuit (,).