LandOfFree - US Patents - Listing for Optics: measuring and testing

Optics: measuring and testing – Position or displacement – Position transverse to viewing axis

Wireless substrate-like sensor

Optics: measuring and testing – Position or displacement – Position transverse to viewing axis

Wireless substrate-like sensor

Optics: measuring and testing – By polarized light examination – With light attenuation

Wiring pattern detection method and apparatus

Optics: measuring and testing – By configuration comparison – With photosensitive film or plate

Wiring pattern line width measuring apparatus

Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer

Wollaston prism and use of it in a fourier-transform...

Optics: measuring and testing – By light interference – Having polarization

Wollaston prism phase-stepping point diffraction...

Optics: measuring and testing – Refraction testing – Prism engaging specimen

Work locating system and method with temperature and other compe

Optics: measuring and testing – By polarized light examination – With light attenuation

Work piece butt position detecting method for butt welding

Optics: measuring and testing – Angle measuring or angular axial alignment – Apex of angle at observing or detecting station

Working position measuring system

Optics: measuring and testing – By polarized light examination – With light attenuation

Workpiece centering apparatus and method

Optics: measuring and testing – Shape or surface configuration

Workpiece configuration detection system and method

Optics: measuring and testing – By polarized light examination – With birefringent element

Workpiece having alignment marks for positioning a pattern at a

Optics: measuring and testing – By configuration comparison – With comparison to master – desired shape – or reference voltage

Workpiece identification apparatus

Optics: measuring and testing – Inspection of flaws or impurities

Workpiece levitation using alternating positive and negative...

Optics: measuring and testing – Refraction testing – Prism engaging specimen

Workpiece, and container and contents, inspecting apparatus and

Optics: measuring and testing – Sample – specimen – or standard holder or support

Workstation for both manually and automatically controlling the

Optics: measuring and testing – Inspection of flaws or impurities – Having predetermined light transmission regions

Wound web roll sidewall quality measurement