IR temperature sensor
Patent 5655839 Issued on August 12, 1997. Estimated Expiration Date: 
June 7, 2015. 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.
June 7, 2015. 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 2561077 2811856 Method and device for pyrometric temperature measurements Infrared thermometers for minimizing errors associated with ambient temperature transients Radiation thermometer Radiant thermometer with aiming system Method and apparatus for monitoring energy radiant from a dispensed heated material Patent #: 5323005 InventorsAssigneeApplicationNo. 479125 filed on 06/07/1995US Classes:374/132, Sensor or mounting temperature control250/338.1, Infrared responsive374/130Optical system structure (e.g., lens)ExaminersPrimary: Gutierrez, DiegoAttorney, Agent or FirmForeign Patent References
International ClassesG01K 001/08G01J 005/04 G01J 005/06 Foreign Application Priority Data1994-06-16 DEAbstractAn IR temperature sensor comprises a sealed housing containing an inert gas atmosphere and enclosing a detector for conversion of heat radiation into an electrical signal, an optical system which images the heat radiation emanating from an object onto the detector, a heat-conducting temperature equalization element which maintains the detector and the optical system at a common temperature, and a temperature sensor which measures the temperature of the temperature equalization element. The sealed housing protects the sensor from the external environment and maintains uniform temperature between the optical system and the sensor. | |
