A wireless battery-operated window covering assembly is disclosed. The window covering has a head rail in which all the components are housed. These include a battery pack, an interface module including an IR receiver and a manual switch, a processor board including control circuitry, motor, drive gear,...http://www.google.com.au/patents/US6259218?utm_source=gb-gplus-sharePatent US6259218 - Battery-powered wireless remote-control motorized window covering assembly having a microprocessor controller
