Alliedsignal Inc.

Itt Manufacturing Enterprises, Inc.

Brian J Barnhart

Nicolo F Machi

Scott E Hamilton

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 (,).

Electronically controlled searchlight having multiple preset positions

An interface for a blower in an automotive vehicle. The interface allows a blower requiring a DC control voltage to be controlled by either (1) a DC control voltage or (2) a Pulse Width Modulated (PWM) signal. The interface converts the PWM signal to a DC voltage.

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New Carlisle, OH, United States of America

Brian J Barnhart