Infra-red (ir) sensor with controllable sensitivity
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Abstract
An infrared sensor contains a sensor array and a sensitivity adjuster. The sensor array collects IR energy from an external scene, and the sensitivity adjuster adjusts a pixel grouping for light collection and/or readout, so that the resulting IR image is available at a required sensitivity level.
47 Citations
85 Claims
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1-62. -62. (canceled)
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63. An infrared sensor comprising:
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a sensor array comprising multiple IR sensors, for collecting IR energy from an external scene; and
a sensitivity adjuster associated with said sensor array, for adjusting between a field of view, and a grouping of sensing pixels to derive a required image sensitivity. - View Dependent Claims (64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76)
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77. A method for IR sensing, comprising:
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adjusting a pixel grouping of a sensor array to provide a required image sensitivity; and
collecting IR energy over a variable window from an external scene with said sensor array, in accordance with said pixel grouping. - View Dependent Claims (78, 79, 80, 81, 82, 83, 84, 85)
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Specification