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Class Information
Number: 356/955
Name: Optics: measuring and testing > Measuring linear or angular speed utilizing devices characterized by the use of optical means, e.g., using infra-red, visible, or ultra-violet light (go1p 3/36)

Sub-classes under this class:

Class Number Class Name Patents
356/956 Using a ring laser (go1p 3/36b) 1
356/957 Using diffraction of light (go1p 3/36c) 1
356/958 Using photographic means (go1p 3/38) 1

Patents under this class:

Patent Number Title Of Patent Date Issued
8085434 Printer characterization for UV encryption applications Dec. 27, 2011

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