Burner monitoring system
Patent 4520390 Issued on May 28, 1985. Estimated Expiration Date: 
August 25, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 25, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2561197 2909668 3544710 Thermographic areameter Patent #: 4218707 InventorsAssigneeApplicationNo. 06/411224 filed on 08/25/1982US Classes:505/445, Using an organometallic intermediate (e.g., ligand, chelate, clathrate, etc.)348/164, Infrared505/125, Copper (Cu) and oxygen (O) containing505/450With meltingExaminersPrimary: Martin, John C.Assistant: Coles, Edward L. Attorney, Agent or FirmInternational ClassF23N 5/08 (20060101)AbstractA burner monitoring system in which an array of burners are viewed by a video camera adapted to produce a video signal representing the infrared image of the burner array. The video processing electronics processes the video signal to determine which of the burners is lit and which of the burners is unlit by the presence or absence of hot spots in the infrared image. The video processing electronics generates a video signal which is applied to a cathode ray tube device to generate a visual indication for each of the burners indicating the lit or unlit condition of each of the burners.Other References
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