167730 ⎘
Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light; Arrangements or apparatus for facilitating the optical investigation; Preventing contamination of the components of the optical system or obstruction of the light path Monitoring cleanness of window, lens, or other parts
Sub-classes:Serviceable Dust Filter for Optical Based Gaseous Sensors
#2Automated Raman Signal Collection Device
#3Maintenance method of gas detecting device
#4METHOD AND SYSTEM FOR SPECTROPHOTOMETRIC ANALYSIS OF A SAMPLE
#5OPTICAL SENSOR WINDOW CLEANER
#6Cleaning apparatus, cleaning method, and imaging apparatus
#7Protecting an optical particle sensor from particulate desposits by thermophoresis
#8Apparatus and method for analyzing a flow of material
#9Detection and correction of window moisture condensation
#10Lens coating/contamination electronic detection
#11Fouling detection setup and method to detect fouling
#12Apparatus, system, and method for aftertreatment control and diagnostics