Systems and methods for thermal radiation detection
AssigneeThe Procter & Gamble Company
InventorsStephen Michael Varga, Steven Henry Mersch
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Abstract
Systems and methods for thermal radiation detection utilizing a thermal radiation detection system are provided. The thermal radiation detection system includes one or more mercury-cadmium-telluride (HgCdTe)-based photodiode infrared detectors or Indium Arsenide (InAs)-based photodiode infrared detectors and a temperature sensing circuit. The temperature sensing circuit is configured to generate signals correlated to the temperatures of one or more of the plurality of infrared sensor elements. The thermal radiation detection system also includes a signal processing circuit.
Claims20
A thermal radiation detection system, comprising:
- a plurality of infrared sensor elements arranged as an array, wherein each of the plurality of infrared sensor elements comprises a semiconductor selected from a mercury-cadmium-telluride (HgCdTe)-based photodiode infrared detector, or an Indium Arsenide (InAs)-based photodiode infrared detector, configured to generate an output responsive to detected infrared wavelengths;
- a temperature sensing circuit, the temperature sensing circuit configured to generate signals correlated to temperatures of one or more of the plurality of infrared sensor elements;
- an amplifier circuit, the amplifier circuit configured to convert the outputs from the plurality of infrared sensor elements to output voltages, wherein the amplifier circuit comprises a transimpedance amplifier;
- and
- a signal processing circuit, the signal processing circuit configured to generate a signal usable by an imaging system based on the signals generated by the temperature sensing circuit and output based on the infrared sensor elements.
Dependencies are inferred from the claim text.