<p>This invention is related to a light measuring apparatus and a method of using the device. It is used to measure various photometric quantities of the light emanating from a distant source of light.</p>
申请公布号
WO2012096925(A1)
申请公布日期
2012.07.19
申请号
WO2012US20730
申请日期
2012.01.10
申请人
UNDERWRITERS LABORATORIES INC.;LEWIN, IAN;O'FARRELL, JOHN
