Electronic control device that acts as an interface between an electric motor used to operate interior and exterior window coverings,[ shading systems, and projection screens] and an input signal from various types of initiating control devices, such input controls would include a radio frequency signal, an infrared signal, a dry-contact closure, or a digital signal

'act':5 'closur':53 'contact':52 'control':2,35,39 'cover':20 'devic':3,36 'digit':56 'dri':51 'dry-contact':50 'electr':11 'electron':1 'exterior':18 'frequenc':44 'includ':41 'infrar':47 'initi':34 'input':28,38 'interfac':8 'interior':16 'motor':12 'oper':15 'project':24 'radio':43 'screen':25 'shade':21 'signal':29,45,48,57 'system':22 'type':32 'use':13 'various':31 'window':19 'would':40

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