Eaton Corporation

Roger A Keller

E James Lane

Robert J Carroll

Freddie G Williams

A vehicle monitor (10) apparatus for monitoring vehicles (14) in a monitoring location (17). A vehicle unit (12) mountable in a vehicle includes circuitry (21) for transmitting, on a continuous repetitive basis, information characterizing the vehicle and unique thereto. In addition, a monitoring unit (16) mountable at the monitoring location includes circuitry (33) for receiving information transmitted by the vehicle unit. Such monitoring circuitry includes an infrared light receiver (29) and a preamplifier with ambient light compensation circuitry (100) connected thereacross.

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Livonia, MI, United States of America

Roger A Keller