Sundstrand Corporation

Phillip A Marsh

Kourosh Mehr-Ayin

William H Conn

Luis M Rivera

Andrew L Gale

An identification module and identification determination circuitry are provided for the purpose of identifying an apparatus and electrically determining the identification number of that identified apparatus. The identification module comprises a plurality of resistive identification circuits which, in turn, each comprise a plurality of resistive elements selected to have resistive magnitudes that relate to each other by powers, or orders, of two. The identification determination circuit of the present invention places each of the resistive identification circuits in series with a resistor of known magnitude between two connection points to provide a voltage potential and a resulting current flowing through the resistive identification circuit. The invention also provides a means by which the input voltage can be determined and used to adjust the determined magnitude of the resistive identification circuit.

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Lakeside, CA, United States of America

Phillip A Marsh