Honeywell G.m.b.h.

Timothy A Christensen

Wayne L Ehlers

Thomas A Fletcher

Kenneth L Eichholz, Jr

A sensor is provided for changing an operational characteristic of a circuit within a housing structure of the sensor to a preselected stimulus. The circuit within the housing structure is provided with magnetically sensitive components to change an operational parameter thereof. An object is provided to change the status of the magnetically sensitive component. The present invention incorporates a Hall effect element within the housing structure that is placed proximate a permanent magnet. Between the magnet and the Hall effect element a depression is formed to permit the insertion of a magnetically permeable object to change the magnetic field. The change in the magnetic field creates a change in the status of the Hall effect element and permits the circuit to change its operational characteristic.

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Stephenson County, IL, United States of America

Timothy A Christensen