Ge Infrastructure Sensing, Inc.

Robert Christopher Twiney

Ganesh Chandan Gangadharan

Methods and systems for detecting a proximity of an object are provided. The method includes receiving a first beam of radiation from a first field of view directed onto a first detector and a second beam of radiation from a second field of view directed onto a second detector wherein the second beam is angularly displaced from the first beam by a predetermined amount, generating a first output signal from the first detector correlative to the energy received from the first beam and a second output signal from the second detector correlative to the energy received from the second beam, and outputting a proximity signal indicative of the proximity of an object when a differential between the first and second output signals exceeds a predetermined threshold.

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Somerset, United Kingdom

Robert Christopher Twiney