首页>
外国专利>
Primary or secondary light source - has device for determination of their colour components or coordinates in terms of international standard X-Y-Z system
Primary or secondary light source - has device for determination of their colour components or coordinates in terms of international standard X-Y-Z system
展开▼
机译：主光源或辅助光源-具有根据国际标准X-Y-Z系统确定其颜色分量或坐标的设备
展开▼
页面导航
摘要
著录项
相似文献
摘要
The device comprises a sensor system consisting of three colour filters and one photocell which can carry out measurements in the internationally standardised (CIE), X, Y, Z colour coordinate system with good accuracy. The system converts, using linear transformation resistor network and summators, colour components values determined by instrument systems into corrected component values which better correspond to values measured in the international system. The colour coordinates are derived from the corrected values by a signal processing unit comprising an operational amplifier in a summating cct. and a digital ratiometer.
展开▼
