Gilbarco Inc.

Danaher UK Industries Limited

Geoffrey Alan Benton

Michael Lawrence Jennings

Methods and systems provide for detecting tampering of a fuel dispenser. Power is applied to a valve coil of a fuel dispenser. The valve coil is part of a control valve configured to accomplish a gradated fuel flow of the fuel dispenser. Current flowing through the valve coil is measured in response to the power being applied to the valve coil. The current measurements are compared with predetermined criteria and tampering with the valve coil is determined if the current measurements are sufficiently different than expected.

Fuel dispenser tamper detection arrangement

An apparatus for and method of detecting errors in an electro-optic display of a type comprising one or more capacitive display elements. Each display element is connected to drive circuitry. The apparatus includes an isolator for electrically isolating the first electrode of a display element to be tested from the drive circuitry. A comparator compares a voltage on the first electrode of the element being tested with a reference voltage, and an error signal generator generates an error signal if the voltage on the first electrode crosses the reference voltage within a predetermined period of time.

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Essex, United Kingdom

Geoffrey Alan Benton