| prov:value
| - It will be apparent that as an object emitting heat or otherwise differing in radiance from the background, such as a human body, compared to a wall of a room, passes through the scan segment, for example from left to right, energy, for example, in the form of heat being emitted therefrom, will impinge first on one of the detectors 42, and next on the adjacent detector 44, and so forth across the
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