Patent ID: 7212318
Filing Date: 2007-05-01
Classification: G06K,H04N

Abstract:
1. An enhanced reading device for reading documents, comprising: a document support tray having a size suitable for supporting printed material; a video camera, positioned above the document support tray and selectively movable such that video images of selectable portions of documents resting on the document support tray are input by the video camera; and display means to display video data output from the video camera; a transmission gear drive, the transmission gear drive having first drive means to control longitudinal movement of the video camera, and second drive means to control lateral movement of the video camera; a transmission control knob; a rotatable and longitudinally slidable drive shaft attached at its distal end to the transmission gear drive and at its proximal and to the control knob, such that in a first position the transmission gear drive provides longitudinal motion control to the video camera, and when in a second position the transmission gear drive provides lateral motion control to the video camera; whereby a single control knob is used to control both lateral and longitudinal motion of the video camera.