165868 ⎘
Photometry, e.g. photographic exposure meter using wholly visual means
Sub-classes:APPARATUS FOR PREDICTING QUANTITY AND DIRECTION OF SOLAR RADIATION
#2Indication of ultraviolet (UV) light intensity using a lumiphore
#3Operating state acquisition apparatus, production management system, and production management method for manufacturing line
#4Visible light absorption element, and temperature visualization device and infrared ray visualization device equipped with same
#5Terahertz-wave detection element, manufacturing method therefor, and observation apparatus
#6Terahertz-Wave Detection Element, Manufacturing Method Therefor, and Observation Apparatus
#7Solar-powered light intensity measurement device
#8Apparatuses, components and methodologies for determining suitability conditions for plant growth
#9Method and apparatus for determining a vertical intensity profile through a plane of focus in a confocal microscope
#10Turbulence and winds aloft detection system and method