Target method and systems for bonding machines
Testing and inspecting lens by holographic means
Textile color analyzer calibration
Torque transducer utilizing differential optical sensing
Total-reflection type refractive index sensor
Traffic survey system
Translator for measuring amount of color correction for color
Transmitted light refractometer
Transmitted light refractometer
Triangular interferometric light-source tracker
Tristimulus colorimeter for use in the fabrication of artificial
Tuning of etalons in spectroscopic apparatus
Two-axis moire fringe displacement transducer
Two-beam colorimeter
Two-beam photometer with rotatable graded interference filter