Ultraviolet sensor
Patent 5497004 Issued on March 5, 1996. Estimated Expiration Date: 
November 8, 2014. 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.
November 8, 2014. 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 ReferencesSolar blind ultraviolet filter High sensitivity ultraviolet radiation detector Patent #: 5093576 InventorsAssigneeApplicationNo. 337447 filed on 11/08/1994US Classes:250/372, Ultraviolet light responsive means252/588, Ultraviolet359/361Having ultraviolet absorbing or shielding propertyExaminersPrimary: Hannaher, ConstantineAssistant: Tyler, Virgil O. Attorney, Agent or FirmForeign Patent References
International ClassesG01J 001/04G01J 005/08 G02B 001/00 G02B 005/02 Foreign Application Priority Data1993-11-12 DEAbstractA UV sensor having a photodetector for measurement of UV radiation, an SiO2 -containing dispersive element disposed ahead of the photodetector in the direction of incident UV radiation and an optional housing having an entry opening for UV radiation. The dispersive element contains quartz glass with interiorly disposed boundary surfaces, the orientations of which are statistically homogeneously distributed.Other References
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