Fiber optic temperature sensor
Patent 4223226 Issued on September 16, 1980. Estimated Expiration Date: 
July 26, 1998. 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.
July 26, 1998. 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 2551650 2945954 3215846 3256518 3315160 Optical temperature measurement technique utilizing phosphors Patent #: 4075493 InventorsAssigneeApplicationNo. 05/928223 filed on 07/26/1978US Classes:250/458.1, LUMINOPHOR IRRADIATION346/44, PLURAL RECORDERS356/44, With sample engaging rod or tube374/130, Optical system structure (e.g., lens)374/131, With radiation conducting element374/159Nonelectrical, nonmagnetic, or nonmechanical temperature responsive propertyExaminersPrimary: Willis, Davis L.Attorney, Agent or FirmInternational ClassesG01K 1/00 (20060101)G01K 11/00 (20060101) G01K 11/32 (20060101) G01K 1/02 (20060101) AbstractAn inexpensive, lightweight fiber optic micro-sensor that is suitable for applications which may require remote temperature sensing. The disclosed temperature sensor includes a phosphor material that, after receiving incident light stimulation, is adapted to emit phosphorescent radiation output signals, the amplitude decay rate and wavelength of which are functions of the sensed temperature. | |
