Patent ID: 7281807
Filing Date: 2007-10-16
Classification: G03B,H04N

Abstract:
1. A display device, comprising: a base that includes a housing and a light source within the housing; a projection chamber that includes a) a projection chamber housing, b) an optical modulation device configured to selectively transmit light generated by the light source according to video data included in a video signal provided to the optical modulation device, and c) a projection lens system configured to output light transmitted by the optical modulation device along a projection path; and a positional interface, coupled to the base housing and coupled to the projection chamber housing at a location between an aft end of the projection chamber that includes the optical modulation device and a forward end that includes an output lens of the projection lens system, configured to allow the projection chamber to be moved relative to the base and to allow the projection chamber to maintain a constant position relative to the base after being moved.