Patent ID: 9443368
Filing Date: 2016-09-13
CPC Classification: G06F,G06Q,G07F,Y04S

Claim Text:
1. A digital document display device, comprising: a processor; a memory; an e-paper based display unit; a renewable energy power unit; a motion detection unit coupled to the e-paper based display unit and the renewable energy power unit, to detect motion of humans in proximity, wherein the motion detection unit triggers the processor to display a first digital document at a lower resolution or a higher resolution based on motion detected, or if there is need to conserve power or lower power consumption; the processor sets at least the e-paper based display unit in one of a plurality of normal operating modes and displays the first document when at least one human is detected in its vicinity by the motion detection unit; the processor sets at least the e-paper based display unit in one of a plurality of low power operating modes when no human is detected in its vicinity by the motion detection unit; the processor adding other display devices discovered to be in communicative proximity, to a group of display devices that are managed by the digital document display device, and assigning documents to the group of display devices for display; and the processor receiving and processing a request to join the group of display devices managed.