Optical components, namely, optical filters combined with liquid crystal cells to electronically control the transmission of specific colors, namely, reds, greens and blues and block other wavelengths on demand primarily for use in the field of image capture, by means of cameras and video recorders

'block':25 'blue':23 'camera':42 'captur':38 'cell':10 'color':18 'combin':6 'compon':2 'control':13 'crystal':9 'demand':29 'electron':12 'field':35 'filter':5 'green':21 'imag':37 'liquid':8 'mean':40 'name':3,19 'optic':1,4 'primarili':30 'record':45 'red':20 'specif':17 'transmiss':15 'use':32 'video':44 'wavelength':27

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